{"title":"Metallography Grinding \u0026 Polishing Machine","description":"\u003ch2\u003eMetallography Grinding \u0026amp; Polishing Machine\u003c\/h2\u003e\n\u003cp\u003eQualitest Metallography Grinding \u0026amp; Polishing Machines provide reliable and consistent surface preparation for metallographic analysis. Designed for efficient grinding and polishing of metallographic specimens, these machines help produce uniform, repeatable surfaces required for accurate microstructural examination.\u003c\/p\u003e\n\u003cp\u003eSuitable for routine quality control, failure analysis, and advanced materials research, Qualitest grinding and polishing machines support the demanding needs of metallography laboratories across automotive, aerospace, metal manufacturing, electronics, research, and other industrial applications.\u003c\/p\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003ePreparation of metallographic specimens for optical microscopy, hardness testing, and microstructural analysis\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGrinding and polishing of metallic and non-metallic materials, including steel, aluminum, titanium, ceramics, and composites\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSuitable for production quality control, academic laboratories, and research and development facilities\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSample preparation for grain size analysis, coating evaluation, inclusion rating, and weld inspection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eProduct Range\u003c\/h2\u003e\n\u003cp\u003eQualitest offers a comprehensive range of Metallography Grinding \u0026amp; Polishing Machines, from manual and cost-effective models to advanced automatic systems with programmable controls, multiple platens, and precision polishing capabilities.\u003c\/p\u003e\n\u003cp\u003eThe range provides options for different sample preparation workloads, automation requirements, and laboratory needs, helping users select a suitable grinding and polishing system for their metallographic testing applications.\u003c\/p\u003e\n\u003ctable class=\"table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003eTechnical Parameter\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eQualiGP™ 4 \/ 4S (Automatic)\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eQualiGP™ 3 \/ 3S (Automatic)\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eQualiGP™ 2 \/ 2S (Automatic)\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eQualiGP™ M Series (Manual)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eWheel Diameter Options\u003c\/td\u003e\n\u003ctd\u003e4: φ200\/250\/300 mm; 4S: φ200\/250 mm\u003c\/td\u003e\n\u003ctd\u003e3: φ250 std (opt φ203\/φ300); 3S: φ250 std (opt φ203)\u003c\/td\u003e\n\u003ctd\u003e2: φ250 std (opt φ203\/φ300); 2S: φ250 std (opt φ203)\u003c\/td\u003e\n\u003ctd\u003eφ203 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWheel Speed\u003c\/td\u003e\n\u003ctd\u003e0–1000 r\/min (step adjust) + 150\/300\/600\/1000 r\/min; 0–600 r\/min for 300 mm disc\u003c\/td\u003e\n\u003ctd\u003e50–600 r\/min (3) or 50–1000 r\/min (3S); constant 150\/300 r\/min\u003c\/td\u003e\n\u003ctd\u003e50–600 r\/min (2) or 50–1000 r\/min (2S); constant 150\/300 r\/min\u003c\/td\u003e\n\u003ctd\u003e0–1400 r\/min; constant 150\/300\/700\/1400 r\/min\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoading \/ Pressure Control\u003c\/td\u003e\n\u003ctd\u003eSingle force 5–60 N; central force 20–200 N\u003c\/td\u003e\n\u003ctd\u003eSingle point loading 5–60 N\u003c\/td\u003e\n\u003ctd\u003eSingle point loading 5–60 N\u003c\/td\u003e\n\u003ctd\u003ePressure detection: none (M-1Pro) or 0–60 N (M-1Pro+)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003e2.1 kW\u003c\/td\u003e\n\u003ctd\u003e1.1 kW\u003c\/td\u003e\n\u003ctd\u003e1.1 kW\u003c\/td\u003e\n\u003ctd\u003e0.75 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (mm)\u003c\/td\u003e\n\u003ctd\u003e596×714×707\u003c\/td\u003e\n\u003ctd\u003e594×795×687 (3); 758×785×687 (3S)\u003c\/td\u003e\n\u003ctd\u003e594×795×687 (2); 758×785×687 (2S)\u003c\/td\u003e\n\u003ctd\u003e400×622×295\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e102 kg\u003c\/td\u003e\n\u003ctd\u003e98 kg (3); 128 kg (3S)\u003c\/td\u003e\n\u003ctd\u003e98 kg (2); 128 kg (2S)\u003c\/td\u003e\n\u003ctd\u003e22 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eEfficient and uniform material removal for consistent specimen preparation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRobust construction designed for reliable laboratory operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUser-friendly controls with adjustable testing and processing parameters\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompatible with standard metallographic grinding and polishing consumables\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eMaterial Removal Physics \u0026amp; Preston Mechanics\u003c\/h2\u003e\n\u003cp\u003eMetallographic specimen preparation requires controlled removal of surface material to produce a smooth, deformation-free surface suitable for microscopic examination. QualiGP™ Metallography Grinding \u0026amp; Polishing Machines use rotating platens with wheel sizes of φ203 mm, φ250 mm, or φ300 mm. These platens accommodate abrasive media such as silicon carbide papers, diamond suspensions, and fine alumina slurries for progressive material removal and surface refinement.\u003c\/p\u003e\n\u003cp\u003eMaterial removal takes place through three primary abrasive interactions:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003ePloughing: An abrasive particle penetrates the specimen surface and displaces material laterally, producing microscopic furrows with raised ridges along the contact path.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCutting: A sharp abrasive edge penetrates the material and removes microscopic chips from the specimen surface.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDead Metal Zone Formation: Material can become temporarily trapped beneath the abrasive edge, increasing friction and localized heat at the contact area.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIntegrated water-flushing channels continuously remove loose metal swarf and help control heat during grinding. Depending on the model, platen speeds can reach up to 1000 or 1400 r\/min.\u003c\/p\u003e\n\u003ch3\u003eThe Preston Removal Equation\u003c\/h3\u003e\n\u003cp\u003eThe Preston equation describes material removal in relation to applied pressure, relative surface velocity, and a material-dependent removal coefficient:\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003edH \/ dt = Kp · P · V\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eHere, \u003cem\u003edH\/dt\u003c\/em\u003e represents the material removal rate, \u003cem\u003eP\u003c\/em\u003e is the applied pressure, \u003cem\u003eV\u003c\/em\u003e is the relative linear velocity between the abrasive surface and specimen, and \u003cem\u003eKp\u003c\/em\u003e represents a coefficient influenced by the abrasive system and material characteristics.\u003c\/p\u003e\n\u003cp\u003eVariable-speed drives allow operators to adjust platen velocity according to the preparation stage and material requirements. The QualiGP™ 4 \/ 4S features a 2.1 kW drive motor, while the QualiGP™ 2 \/ 3 series uses 1.1 kW drive motors, providing controlled abrasive movement for efficient specimen preparation.\u003c\/p\u003e\n\u003ch2\u003eContact Mechanics \u0026amp; Pneumatic Force Control\u003c\/h2\u003e\n\u003cp\u003eDuring polishing, abrasive particles interact with the specimen through a polishing cloth or resilient pad. The contact area distributes the applied force across the specimen surface, helping maintain controlled contact and reduce edge rounding during preparation.\u003c\/p\u003e\n\u003cp\u003ePrecise force control is important for producing consistent specimen surfaces:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eSingle-Point Loading (5–60 N): Available on the QualiGP™ 2, 3, and 4 series, pneumatic heads apply controlled force to individual specimen mounts while accommodating variations in specimen height.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCentral Force Loading (20–200 N): Available on the QualiGP™ 4 \/ 4S, central force loading applies pressure through a specimen holder, keeping multiple samples aligned within a common plane for efficient preparation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eManual Pressure Sensing (0–60 N): The QualiGP™ M-1Pro+ provides digital force monitoring, allowing operators to observe applied pressure during manual grinding and polishing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSequential Metallographic Preparation Workflow \u0026amp; Automated Dosing\u003c\/h2\u003e\n\u003cp\u003eMetallographic specimen preparation progresses through increasingly fine abrasive grades. Each stage removes the surface irregularities and scratches produced during the preceding stage.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eStage 1: Primary Rough Grinding: Mounted specimens are flattened using coarse abrasive papers from P120 to P320. Platen speeds of 150, 300, or 600 r\/min can be used according to the preparation requirements.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStage 2: Fine Grinding: Progress through finer abrasive papers from P400 to P2400 or use structured diamond discs. Rotating the specimen approximately 90 degrees between abrasive stages helps identify when the previous scratch pattern has been removed.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStage 3: Precision Polishing: Replace grinding papers with woven or velvet polishing pads and diamond fluids ranging from 3 micron to 1 micron for progressively finer surface finishing. The QualiGP™ SF5 Slurry Feeder provides controlled fluid dosing to maintain consistent lubrication while reducing unnecessary slurry consumption.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStage 4: Chemical Etching: After polishing, an appropriate etching solution can be applied to reveal grain boundaries, phases, and other microstructural features for microscopic examination.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eMachine Architectures \u0026amp; Engineering Specifications\u003c\/h2\u003e\n\u003cp\u003eQualitest offers different Metallography Grinding \u0026amp; Polishing Machine configurations to accommodate varying laboratory workloads and specimen preparation requirements. The QualiGP™ range includes manual and automated systems with different platen sizes, force-control options, drive configurations, and polishing capabilities.\u003c\/p\u003e\n\u003cp\u003eThe equipment is designed for metallographic specimen preparation in accordance with recognized testing practices, including ASTM E3.\u003c\/p\u003e\n\u003ctable class=\"table table-bordered\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eMachine Model\u003c\/th\u003e\n\u003cth\u003eWheel Sizes \u0026amp; Drive Specs\u003c\/th\u003e\n\u003cth\u003eLoading Mechanism \u0026amp; Pressure Range\u003c\/th\u003e\n\u003cth\u003eOperational Focus\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eQualiGP™ M Series (M-1Pro \/ M-1Pro+)\u003c\/td\u003e\n\u003ctd\u003eφ203 mm platen, 0.75 kW motor, variable speed 0–1400 r\/min (preset 150\/300\/700\/1400 r\/min).\u003c\/td\u003e\n\u003ctd\u003eManual application (0–60 N force display on M-1Pro+).\u003c\/td\u003e\n\u003ctd\u003eBenchtop manual preparation, low-volume QA, laboratory instruction.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQualiGP™ 2 \/ 2S (Automatic)\u003c\/td\u003e\n\u003ctd\u003eφ250 mm platen std (optional φ203\/φ300 mm), 1.1 kW motor, 50–600 or 50–1000 r\/min.\u003c\/td\u003e\n\u003ctd\u003eSingle-point pneumatic loading (5–60 N per sample).\u003c\/td\u003e\n\u003ctd\u003eGeneral industrial quality assurance with automated pressure control.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQualiGP™ 3 \/ 3S (Automatic)\u003c\/td\u003e\n\u003ctd\u003eφ250 mm platen std (optional φ203\/φ300 mm), 1.1 kW motor, 50–600 or 50–1000 r\/min.\u003c\/td\u003e\n\u003ctd\u003eSingle-point pneumatic loading (5–60 N per sample).\u003c\/td\u003e\n\u003ctd\u003eHigh-volume preparation processing multiple mounts concurrently.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQualiGP™ 4 \/ 4S (Automatic Dual-Mode)\u003c\/td\u003e\n\u003ctd\u003eφ200\/φ250\/φ300 mm platens, heavy 2.1 kW motor, 0–1000 r\/min.\u003c\/td\u003e\n\u003ctd\u003eDual-mode: single point (5–60 N) \u0026amp; central force loading (20–200 N).\u003c\/td\u003e\n\u003ctd\u003eHigh-throughput industrial testing, failure analysis, aerospace alloys.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQualiPol Auto-2CT\u003c\/td\u003e\n\u003ctd\u003eDual φ250 mm platens, independent motors, automated head.\u003c\/td\u003e\n\u003ctd\u003ePneumatic head loading with digital recipe storage.\u003c\/td\u003e\n\u003ctd\u003eHigh-efficiency dual-station grinding and polishing without plate swaps.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eTo minimize the transfer of operational vibrations to the specimen and reduce the risk of unwanted chatter marks, Qualitest Metallography Grinding \u0026amp; Polishing Machines feature heavy-duty cast bases designed for vibration control. Finite element analysis supports the structural design, while quick-change magnetic platen systems simplify abrasive changes. Integrated flushing channels help remove swarf and debris from the working area during specimen preparation.\u003c\/p\u003e\n\u003ch2\u003eKey Parameters for Surface Quality Optimization\u003c\/h2\u003e\n\u003cp\u003eConsistent metallographic surface quality depends on the controlled balance of several operating parameters:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cp\u003ePlaten Speed \u0026amp; Relative Rotation: The relationship between specimen-head rotation and platen rotation influences material removal and surface finish. Counter-rotation, where the head rotates opposite to the platen, supports faster material removal, while co-rotation can provide more controlled finishing. The QualiGP™ 4\/4S offers adjustable platen speeds from 0 to 1000 r\/min.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eApplied Downward Force: Controlled pneumatic loading helps maintain consistent specimen contact with the abrasive surface. Single-point force ranges from 5–60 N, while central force loading on the QualiGP™ 4\/4S ranges from 20–200 N. Proper force control helps reduce specimen movement, uneven contact, and subsurface deformation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAutomated Slurry Dosing: The QualiGP™ SF5 Slurry Feeder provides controlled abrasive slurry delivery throughout manual, semi-automatic, and automatic preparation cycles. Consistent dosing supports stable lubrication and helps minimize unnecessary consumption of diamond suspensions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eZ-Axis Load Monitoring: Real-time force monitoring provides continuous information about the load applied to the specimen. Maintaining a controlled force throughout the preparation cycle helps improve process consistency and repeatability of the final surface finish.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eWhy Choose Qualitest\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eTrusted by laboratories and manufacturers worldwide for materials testing equipment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMore than 25 years of experience in materials testing solutions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompetitive pricing with responsive technical support and global delivery options\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eExplore the Qualitest range of Metallography Grinding \u0026amp; Polishing Machines to find a suitable system for your laboratory's specimen preparation requirements.\u003c\/p\u003e","products":[{"product_id":"automatic-metallography-grinding-and-polishing-machine-qualigp-4-4s","title":"Automatic Metallography Grinding and Polishing Machine - QualiGP™ 4\/4S","description":"\u003ch2\u003eAutomatic Metallography Grinding and Polishing Machine – QualiGP™ 4\/4S\u003c\/h2\u003e\n\u003cp\u003eThe QualiGP™ 4\/4S Automatic Metallography Grinding and Polishing Machine is a high-precision system designed for efficient and repeatable metallographic sample preparation. Its intelligent touchscreen interface, programmable memory with storage for up to 256 workflows, and dual-disc configuration support both manual and automatic grinding and polishing operations.\u003c\/p\u003e\n\u003cp\u003eThe machine features dual pressurization modes, a motorized head lift, an integrated drip system, and advanced safety controls for smooth and reliable operation. These capabilities help maintain consistent sample preparation quality while simplifying workflow management and improving laboratory efficiency.\u003c\/p\u003e\n\u003ctable class=\"table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/1_66.webp?v=1790230649\" alt=\"Automatic Metallography Grinding and Polishing Machine - QualiGP™ 4\/4S\"\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/2_86.webp?v=1790230658\" alt=\"Automatic Metallography Grinding and Polishing Machine - QualiGP™ 4\/4S\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003ch3\u003eDual Pressurization Modes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eSelect between center pressurization and single-point pressurization according to your sample preparation requirements.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProcess 1 to 6 samples simultaneously, supporting efficient and consistent metallographic sample preparation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eStatus Indicator Light\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBlue: Operating\u003c\/li\u003e\n\u003cli\u003eWhite: Standby\u003c\/li\u003e\n\u003cli\u003eRed: Fault detected\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/3_89.webp?v=1790230669\" alt=\"Automatic Metallography Grinding and Polishing Machine - QualiGP™ 4\/4S\"\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/4_69.webp?v=1790230684\" alt=\"Automatic Metallography Grinding and Polishing Machine - QualiGP™ 4\/4S\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003ch3\u003eProgram Encryption Library\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eProtect saved sample preparation programs with hierarchical encryption and integrated content notes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHelp prevent accidental deletion or unauthorized modifications while keeping program information organized and accessible.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003ch3\u003eRetractable Faucet\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eA telescopic faucet provides convenient access for cleaning the sink area after grinding and polishing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHelps simplify routine maintenance and keep the workspace clean, supporting reliable machine operation over time.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/5_53.webp?v=1790230696\" alt=\"Automatic Metallography Grinding and Polishing Machine - QualiGP™ 4\/4S\"\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/6_45.webp?v=1790230707\" alt=\"Automatic Metallography Grinding and Polishing Machine - QualiGP™ 4\/4S\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003ch3\u003eTouchscreen Interface\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eAn intuitive touchscreen interface provides access to key machine functions and clear visual feedback.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSimplifies operation, monitoring, and workflow control for efficient metallographic sample preparation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003ch3\u003eDual-Hand Safety Control\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eTwo-hand operation controls help reduce the risk of unintended machine activation during operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRequiring both hands to activate the controls provides an added layer of protection during grinding and polishing procedures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/7_43.webp?v=1790230722\" alt=\"Automatic Metallography Grinding and Polishing Machine - QualiGP™ 4\/4S\"\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/8_34.webp?v=1790230732\" alt=\"Automatic Metallography Grinding and Polishing Machine - QualiGP™ 4\/4S\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003ch3\u003eAdjustable-Height Sample Holder\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eAdjust the distance between the sample holder and polishing disc according to the sample height for precise positioning.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProper height adjustment helps maintain accurate alignment and promotes more uniform grinding and polishing results.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003ch3 dir=\"auto\" class=\"PDq2pG_selectionAnchorContainer\"\u003eMotorized Head Lift\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAn electrically operated grinding and polishing head enables smooth, controlled height adjustments during sample preparation.\u003c\/li\u003e\n\u003cli\u003eMotorized movement helps maintain precise positioning and reduces the risk of sudden head movement caused by low air pressure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eAutomatic Metallography Grinding and Polishing Machine – QualiGP™ 4\/4S Features\u003c\/h2\u003e\n\u003ch3\u003eAdvanced Control System\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e8-inch color touchscreen with support for 12 languages for intuitive machine operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSwitch easily between manual and automatic operation modes based on sample preparation requirements.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStore up to 256 sample preparation programs for consistent workflows and quick access to frequently used settings.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMove between individual preparation steps during operation to maintain consistency across batch processing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTransfer programs through USB for backup, computer storage, or sharing between machines of the same model.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBuilt-in fault codes identify system errors and support faster troubleshooting.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHead Position Indicator Light\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eA dedicated indicator light confirms whether the grinding and polishing head is positioned within the correct working range.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhen illuminated, the indicator confirms that the head is correctly aligned and ready for operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSimultaneous Manual and Automatic Operation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eThe QualiGP™ 4S dual-disc model supports manual and automatic sample preparation processes simultaneously.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEach grinding and polishing disc operates independently, helping improve workflow efficiency and sample throughput.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIntegrated Control and Drip System\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eConnect and configure multiple drip units directly through the machine's control interface.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSelected drip units activate automatically according to the programmed preparation settings.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAdjustable drip rate and quick-discharge speed provide greater control over the preparation process.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMonitor the operating status of each connected drip unit directly through the touchscreen interface.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAdjustable Head Speed\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eGrinding and polishing head speed can be adjusted from 0 to 150 rpm.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVariable speed control allows the machine to accommodate different materials and sample preparation requirements.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePressure settings remain configurable even when the head rotation speed is set to 0 rpm.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eAutomatic Metallography Grinding and Polishing Machine - QualiGP™ 4\/4S Technical Specifications\u003c\/h2\u003e\n\u003ctable class=\"table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eQualiGP™ 4\u003c\/th\u003e\n\u003cth\u003eQualiGP™ 4S\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003eAC220V 50HZm(110V is also available)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput power\u003c\/td\u003e\n\u003ctd\u003e2.1KW\u003c\/td\u003e\n\u003ctd\u003e2.1KW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWheel diameter\u003c\/td\u003e\n\u003ctd\u003eφ200\/250\/300mm\u003c\/td\u003e\n\u003ctd\u003eφ200\/250mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRotational speed\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e0-1000r\/min, 20rpm adjustable step \u0026amp;150\/300\/600\/1000r\/min\u003cbr\u003e0-600r\/min for 300mm disc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRotational direction of wheel\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003eClockwise or anticlockwise\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower head speed\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e0-150r\/min\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSingle force Loading range\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e5~60 N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCentral force Loading range\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e20~200 N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePreparation sample quantity\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e6 PCS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHolder\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003eφ30mm, optional φ22\/25\/40\/50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSample preparation time\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e0~12h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLanguage\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003eMultilanguage: English and others \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of programs\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003eCan store 256 sets of programs (grinding and polishing formulas)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompressed air pressure\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e0.35~0.5MPa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimension\u003c\/td\u003e\n\u003ctd\u003e596×714×707mm\u003c\/td\u003e\n\u003ctd\u003e596×714×707\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight\u003c\/td\u003e\n\u003ctd\u003e102kg\u003c\/td\u003e\n\u003ctd\u003e102kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/dia_0.webp?v=1790230478\" alt=\"Automatic Metallography Grinding and Polishing Machine - QualiGP™ 4\/4S\"\u003e\u003c\/p\u003e","brand":"Qualitest USA LC","offers":[{"title":"Default Title","offer_id":53041469653303,"sku":null,"price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/automatic-metallography-grinding.webp?v=1790230531"},{"product_id":"automatic-metallography-grinder-and-polisher-qualigp-3-3s","title":"Automatic Metallography Grinder and Polisher - QualiGP™ 3\/3S","description":"\u003ch2\u003eAutomatic Metallography Grinder and Polisher – QualiGP™ 3\/3S\u003c\/h2\u003e\n\u003cp\u003eThe QualiGP™ 3\/3S Automatic Metallography Grinder and Polisher is designed for precise, consistent, and efficient metallographic sample preparation. Its one-piece cast frame provides a stable foundation, while intuitive controls simplify operation and setup. Quiet performance and multi-sample preparation capabilities support reliable grinding and polishing across a wide range of materials, helping laboratories achieve uniform, high-quality surface finishes.\u003c\/p\u003e\n\u003ctable class=\"table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/1_65.webp?v=1790231030\" alt=\"Automatic Metallography Grinder and Polisher - QualiGP™ 3\/3S\"\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/2_85.webp?v=1790231039\" alt=\"Automatic Metallography Grinder and Polisher - QualiGP™ 3\/3S\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInnovative lifting and self-locking design removes the need for manual locking and reduces safety risks\u003c\/td\u003e\n\u003ctd\u003eSingle-point pressure system allows processing of 1 to 6 samples simultaneously\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/3_88.webp?v=1790231048\" alt=\"Automatic Metallography Grinder and Polisher - QualiGP™ 3\/3S\"\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/4_68.webp?v=1790231059\" alt=\"Automatic Metallography Grinder and Polisher - QualiGP™ 3\/3S\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBuilt-in drop protection system for added reliability\u003c\/td\u003e\n\u003ctd\u003eOne-piece cast frame ensures structural stability and consistent grinding and polishing performance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/5_52.webp?v=1790231069\" alt=\"Automatic Metallography Grinder and Polisher - QualiGP™ 3\/3S\"\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/6_44.webp?v=1790231082\" alt=\"Automatic Metallography Grinder and Polisher - QualiGP™ 3\/3S\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtective dust cover keeps the unit clean when not in use\u003c\/td\u003e\n\u003ctd\u003eLED blue lighting adds a sleek, modern touch while enhancing visibility\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/7_42.webp?v=1790231093\" alt=\"Automatic Metallography Grinder and Polisher - QualiGP™ 3\/3S\"\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/8_33.webp?v=1790231101\" alt=\"Automatic Metallography Grinder and Polisher - QualiGP™ 3\/3S\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptional dropper enables automatic abrasive slurry dispensing\u003c\/td\u003e\n\u003ctd\u003eInjection ring effectively controls water splashes and simplifies groove cleaning\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eAutomatic Metallography Grinder and Polisher – QualiGP™ 3\/3S Features\u003c\/h2\u003e\n\u003ch3\u003eSimple and Reliable Operation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eQuick Parameter Adjustment: A precision shuttle knob allows fast and accurate adjustment of operating parameters.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIntuitive Control Panel: The multi-function panel features tactile, responsive buttons for straightforward operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStepless Parameter Control: Continuously adjustable speed, pressure, and polishing time provide greater flexibility for different sample preparation requirements.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLow-Noise Chassis: The chassis design helps reduce operational noise for a quieter laboratory environment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHeavy-Duty Cast Base: A rigid cast base helps minimize vibration during grinding and polishing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSoft-Start Turntable: Smooth turntable startup and a quiet cooling fan support low-noise operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eConsistent Grinding and Polishing Performance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003ePrecision Spindle and Flat Working Plate: High-precision spindle components and an ultra-flat working plate support smooth, uniform sample preparation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAdjustable Reversible Steering Wheel: Flexible steering control allows convenient adjustment to different operating requirements.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMultiple Sample Configurations: Supports various sample sizes and holder configurations for versatile metallographic preparation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDurable and Easy-to-Clean Design\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eABS Injection-Molded Body: The streamlined, durable housing is easy to clean and designed for long-term laboratory use.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSafety and Compliance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eEU Safety Compliance: Designed to meet applicable European Union safety requirements for laboratory equipment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eAutomatic Metallography Grinder and Polisher - QualiGP™ 3\/3S Technical Specifications\u003c\/h2\u003e\n\u003ctable class=\"table\" border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eQualiGP™ 3\u003c\/th\u003e\n\u003cth\u003eQualiGP™ 3S\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003eSingle–phase AC220V 50Hz (110V is also available)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput power\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e1.1KW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWheel diameter\u003c\/td\u003e\n\u003ctd\u003eφ250mm (Standard), Optional φ203mm, φ300mm\u003c\/td\u003e\n\u003ctd\u003eφ250mm (Standard), Optional φ203mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd rowspan=\"2\"\u003e\n\u003cp\u003eWheel speed\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e50 ~ 600r\/min (Stepless speed)\u003c\/td\u003e\n\u003ctd\u003e50 ~ 1000r\/min (Stepless speed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\"\u003e150 r\/min   300 r\/min (Constant speed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWheel direction\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003eAdjustable clockwise or counterclockwise\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower head speed\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e50 ~ 150r\/min (Stepless speed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSingle point loading\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e5 ~ 60N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of samples\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e6↑ (Standard)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSample size\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003eφ30mm (Standard), Optional φ22mm, φ25mm, φ30mm, φ40mm, φ45mm, φ50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSample preparation time\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e(S) 0 - 995\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompressed air pressure\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e0.6 ~ 0.9Mpa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e594 × 795 × 687mm\u003c\/td\u003e\n\u003ctd\u003e758 × 785 × 687mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight\u003c\/td\u003e\n\u003ctd\u003e98Kg\u003c\/td\u003e\n\u003ctd\u003e128Kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGross weight\u003c\/td\u003e\n\u003ctd\u003e125Kg\u003c\/td\u003e\n\u003ctd\u003e152Kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/Automatic-Metallography-Grinder.webp?v=1790230997\" alt=\"Automatic Metallography Grinder and Polisher - QualiGP™ 3\/3S\"\u003e\u003c\/p\u003e","brand":"Qualitest USA LC","offers":[{"title":"Default Title","offer_id":53041471357239,"sku":null,"price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/automatic-metallography-grinder_1.webp?v=1790231015"},{"product_id":"automatic-metallography-grinder-and-polisher-qualigp-2-2s","title":"Automatic Metallography Grinder and Polisher - QualiGP™ 2\/2S","description":"\u003ch2\u003eAutomatic Metallography Grinder and Polisher – QualiGP™ 2\/2S\u003c\/h2\u003e\n\u003cp\u003eThe QualiGP™ 2\/2S Automatic Metallography Grinder and Polisher is a precision-engineered system designed for efficient and consistent metallographic sample preparation. Its intuitive controls, low-noise operation, and durable one-piece construction support smooth grinding and polishing for high-quality surface finishes.\u003c\/p\u003e\n\u003cp\u003eThe system provides stepless adjustment of grinding and polishing speed, pressure, and processing time, allowing operators to fine-tune preparation parameters for different materials and sample requirements. A patented self-locking lift system enhances positioning control, while customizable sample holders accommodate various specimen configurations.\u003c\/p\u003e\n\u003cp\u003eThe modern ABS molded housing provides a durable and streamlined design suitable for laboratory environments. Optional features, including an automatic abrasive dropper and LED blue lighting, add convenience and improve the overall working experience. Designed with EU safety standards in mind, the QualiGP™ 2\/2S provides a reliable solution for professional metallography and material sample preparation.\u003c\/p\u003e\n\u003ctable class=\"table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/1_64.webp?v=1790231435\" alt=\"Automatic Metallography Grinder and Polisher - QualiGP™ 2\/2S\"\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/2_84.webp?v=1790231445\" alt=\"Automatic Metallography Grinder and Polisher - QualiGP™ 2\/2S\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003ePatented lifting and self-locking design eliminates manual locking requirements while supporting secure operation and enhanced safety.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eSingle-point pressure system supports simultaneous processing of 1 to 4 samples, providing flexible preparation for different sample quantities.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/3_87.webp?v=1790231463\" alt=\"Automatic Metallography Grinder and Polisher - QualiGP™ 2\/2S\"\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/4_67.webp?v=1790231473\" alt=\"Automatic Metallography Grinder and Polisher - QualiGP™ 2\/2S\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003ePatented Drop Protection Device helps prevent unexpected head movement, supporting safer and more controlled sample preparation.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eThe single-cast machine frame provides a rigid, deformation-resistant structure that supports stable operation and consistent grinding and polishing results.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/5_51.webp?v=1790231484\" alt=\"Automatic Metallography Grinder and Polisher - QualiGP™ 2\/2S\"\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/6_43.webp?v=1790231493\" alt=\"Automatic Metallography Grinder and Polisher - QualiGP™ 2\/2S\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eIntegrated injection ring helps contain water splashes while simplifying groove cleaning for more convenient maintenance.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eOptional dropper accessory automatically dispenses abrasive slurry for greater convenience and more consistent sample preparation.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/7_41.webp?v=1790231502\" alt=\"Automatic Metallography Grinder and Polisher - QualiGP™ 2\/2S\"\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/8_32.webp?v=1790231512\" alt=\"Automatic Metallography Grinder and Polisher - QualiGP™ 2\/2S\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eCombines modern lighting with advanced technology to enhance both visual appeal and functional performance.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eHelps keep the machine clean by reducing dust accumulation when not in use.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eAutomatic Metallography Grinder and Polisher – QualiGP™ 2\/2S Features\u003c\/h2\u003e\n\u003ch3\u003eSimple Operation. Consistent Sample Preparation.\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eStreamlined design supports reliable and efficient laboratory operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eShuttle knob enables quick and precise parameter adjustments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIntuitive multifunction control panel with responsive buttons for convenient operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStepless adjustment of speed, pressure, and processing time supports different metallographic sample preparation requirements\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHigh-Precision Performance. Flexible Configuration.\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eHigh-precision spindle and ultra-flat working plate provide smooth, bright, and uniform sample surfaces\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAdjustable and reversible steering wheel provides greater operational control\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFlexible configuration supports different sample sizes and multiple specimen holder options\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eLow-Noise Operation. Enhanced Stability.\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eLow-noise chassis combined with a heavy-duty cast base helps minimize vibration during grinding and polishing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSoft-start turntable provides smooth operation and controlled acceleration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUltra-quiet fan helps maintain a quieter laboratory working environment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eModern Construction. Safety-Focused Design.\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eHigh-quality ABS injection-molded casing provides a sleek, durable, and easy-to-clean exterior\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDesigned to meet EU safety standards for dependable laboratory operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eOperating Principle and Material Removal\u003c\/h2\u003e\n\u003cp\u003eManual hand sanding can introduce uneven pressure, specimen tilting, edge rounding, and surface deformation, which may compromise metallographic analysis. The Automatic Metallography Grinder and Polisher – QualiGP™ 2\/2S provides controlled sample preparation with consistent pressure distribution and stable specimen positioning. Its heavy-duty, single-cast machine base helps minimize vibration, supporting flat and uniform sample surfaces throughout grinding and polishing.\u003c\/p\u003e\n\u003cp\u003eThe sample preparation process is based on several key principles:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eSequential Material Removal: Each grinding stage should remove the scratches generated by the preceding, coarser abrasive to progressively refine the specimen surface.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eControlled Initial Grinding: The QualiGP™ 2\/2S uses a 250 mm ultra-flat working plate and supports appropriate abrasive selection to efficiently remove surface irregularities from the initial cut.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUniform Lubrication: A high-precision spindle maintains stable specimen positioning, while the soft-start turntable provides stepless speed adjustment from 50 to 1000 RPM. This helps distribute liquid lubricant evenly across the working surface during preparation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eForce Control and Automated Abrasive Dosing\u003c\/h2\u003e\n\u003cp\u003eConsistent applied force is essential for repeatable metallographic sample preparation. The QualiGP™ 2\/2S Automatic Metallography Grinder and Polisher provides controlled pressure and automated operation to reduce variation between preparation cycles and support efficient processing of multiple specimens.\u003c\/p\u003e\n\u003cp\u003eKey features include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eSingle-Point Pressure System: The system can process one to four samples simultaneously. Adjustable pneumatic pressure from 5 to 60 N helps maintain consistent force across the specimens, including samples with minor surface irregularities.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePatented Self-Locking Lift System: The lift mechanism securely maintains the selected position without requiring manual locking, supporting stable and controlled sample preparation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOptional Automatic Abrasive Dropper: Automatically dispenses abrasive suspension at controlled intervals, helping maintain consistent abrasive distribution and reducing the risk of dry polishing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIntuitive Multifunction Control Panel: Provides convenient adjustment of speed, pressure, and processing time, with processing times of up to 995 seconds for controlled and repeatable surface preparation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eDeformation Prevention and Surface Quality\u003c\/h2\u003e\n\u003cp\u003eSurface deformation and preparation artifacts can interfere with accurate metallographic examination. Excessive force, uneven pressure, or inconsistent manual polishing can alter the specimen surface and obscure the underlying microstructure. Controlled grinding and polishing help reduce these preparation-related effects and produce a more representative surface for microscopic analysis.\u003c\/p\u003e\n\u003cp\u003eBy maintaining consistent applied force and stable specimen movement, the QualiGP™ 2\/2S supports uniform material removal while reducing the risk of excessive surface deformation. Proper abrasive selection, lubrication, and sequential preparation further contribute to a clean and well-defined surface suitable for metallographic examination.\u003c\/p\u003e\n\u003cp\u003eFor laboratories processing multiple specimens, the QualiGP™ 2\/2S Automatic Metallography Grinder and Polisher combines controlled force, adjustable processing parameters, stable operation, and optional automated abrasive dosing to support efficient and repeatable sample preparation.\u003c\/p\u003e\n\u003ch2\u003eAutomatic Metallography Grinder and Polisher - QualiGP™ 2\/2S Technical Specifications\u003c\/h2\u003e\n\u003ctable class=\"table\" border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eQualiGP™ 2\u003c\/th\u003e\n\u003cth\u003eQualiGP™ 2S\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003eSingle–phase AC220V 50Hz (110V is also available)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput power\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e1.1KW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWheel diameter\u003c\/td\u003e\n\u003ctd\u003eφ250mm (Standard), Optional φ203mm, φ300mm\u003c\/td\u003e\n\u003ctd\u003eφ250mm (Standard), Optional φ203mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd rowspan=\"2\"\u003eWheel speed\u003c\/td\u003e\n\u003ctd\u003e50 ~ 600r\/min (Stepless speed)\u003c\/td\u003e\n\u003ctd\u003e50 ~ 1000r\/min (Stepless speed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\"\u003e150 r\/min 300 r\/min (Constant speed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWheel direction\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003eAdjustable clockwise or counterclockwise\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower head speed\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e50 ~ 150r\/min (Stepless speed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSingle point loading\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e5 ~ 60N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of samples\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e4pcs (Standard)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSample size\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003eφ30mm (Standard), Optional φ22mm, φ25mm, φ30mm, φ40mm, φ45mm, φ50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSample preparation time\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e0 - 995 (s)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompressed air pressure\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e0.6 ~ 0.9Mpa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e594 × 795 × 687mm\u003c\/td\u003e\n\u003ctd\u003e758 × 785 × 687mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight\u003c\/td\u003e\n\u003ctd\u003e98Kg\u003c\/td\u003e\n\u003ctd\u003e128Kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGross weight\u003c\/td\u003e\n\u003ctd\u003e125Kg\u003c\/td\u003e\n\u003ctd\u003e152Kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/main-dia.webp?v=1790231383\" alt=\"Automatic Metallography Grinder and Polisher - QualiGP™ 2\/2S\"\u003e\u003c\/p\u003e","brand":"Qualitest USA LC","offers":[{"title":"Default Title","offer_id":53041480925495,"sku":null,"price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/automatic-metallography-grinder_2.webp?v=1790231409"},{"product_id":"manual-metallography-grinding-and-polisher-machine-qualigp-m-series","title":"Manual Metallography Grinding and Polisher Machine QualiGP™ M Series","description":"\u003ch2\u003eManual Metallography Grinding and Polishing Machine QualiGP™ M Series\u003c\/h2\u003e\n\u003cp\u003eThe QualiGP™ M Series Manual Metallography Grinding and Polishing Machine combines precise performance with hands-on manual control for reliable sample preparation. It features stepless speed adjustment, real-time pressure monitoring, pressure limit alerts, and reversible disc rotation for greater control during grinding and polishing. Designed to minimize consumable usage and support consistent surface preparation, the QualiGP™ M Series is well suited for metallography laboratories, training facilities, and quality control applications.\u003c\/p\u003e\n\u003ch2\u003eManual Grinding and Polishing with Pressure Display\u003c\/h2\u003e\n\u003cp\u003eThe manual grinding and polishing machine features an integrated pressure display for accurate monitoring and control of applied force. This provides greater consistency during metallographic sample preparation while maintaining the flexibility of manual operation.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/screen.webp?v=1790231921\" alt=\"Manual Metallography Grinding and Polisher Machine QualiGP™ M Series\"\u003e\u003c\/p\u003e\n\u003ch3\u003ePressure Guidance Function\u003c\/h3\u003e\n\u003cp\u003eThe pressure guidance function helps users apply the appropriate force throughout the grinding and polishing process. By providing clear pressure prompts, the QualiGP™ M Series supports consistent sample preparation, reduces variations caused by manual pressure, and helps achieve more uniform results.\u003c\/p\u003e\n\u003ch3\u003eMajor Applications and Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eReduce Consumable Waste\u003cbr\u003eInconsistent hand pressure can accelerate sandpaper wear and cause polishing cloths to detach during metallographic preparation. The QualiGP™ M Series provides pressure guidance to help maintain appropriate force, reducing unnecessary consumable use.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eImprove Grinding and Polishing Efficiency\u003cbr\u003eControlled pressure is essential for an efficient sample preparation workflow. By helping users maintain consistent force at each stage, the machine supports smoother and more efficient grinding and polishing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eImprove Surface Preparation Results\u003cbr\u003eUneven pressure can contribute to sample misalignment, inconsistent grinding, reduced polishing performance, and excessive heat when preparing softer metals. Pressure guidance helps users maintain steady force for more uniform and controlled results.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStandardize Sample Preparation\u003cbr\u003eRecording only the abrasive paper or polishing cloth used may not be enough to reproduce a preparation process. Monitoring and documenting applied pressure provides an additional parameter for establishing repeatable metallographic preparation procedures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSimplify Operator Training\u003cbr\u003eUnderstanding the correct amount of force is an important part of manual metallographic preparation. Pressure guidance helps new users and students learn proper grinding and polishing techniques more efficiently.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDevelop Consistent Operating Techniques\u003cbr\u003eRepeated practice with pressure guidance helps operators understand the appropriate force for different preparation stages and materials, supporting more consistent manual operation over time.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eManual Metallography Grinding and Polishing Machine QualiGP™ M Series Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eStepless Speed Control\u003cbr\u003eThe QualiGP™ M Series provides smooth, stepless speed adjustment from 0 to 1400 RPM through an easy-to-use control knob. Operators can select the appropriate speed for different grinding and polishing requirements, with smooth transitions and precise adjustment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFour Preset Speeds\u003cbr\u003eFour commonly used speeds—150 RPM, 300 RPM, 700 RPM, and 1400 RPM—are available as convenient presets. Each speed can be selected instantly with a single touch for efficient operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReversible Disc Rotation\u003cbr\u003eThe grinding and polishing disc supports one-touch rotation direction switching, allowing operators to change the direction according to different sample preparation techniques without stopping the machine.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePressure Limit Settings\u003cbr\u003eAdjustable upper and lower pressure limits allow operators to define the desired pressure range. When the applied force moves beyond the set limits, a color-coded progress bar provides an immediate visual indication for real-time adjustment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDual-Color Pressure Indicator\u003cbr\u003eThe dual-color pressure indicator provides a clear visual reference during operation. Green indicates pressure within the set range, while red signals pressure that is too high or too low.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReal-Time Pressure Display\u003cbr\u003eAn integrated digital display provides real-time pressure feedback, helping operators monitor applied force and maintain consistent pressure throughout the grinding and polishing process.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOne-Touch Reset and Calibration\u003cbr\u003eConvenient one-touch reset and calibration functions help maintain accurate pressure readings. The simple adjustment process supports consistent operation and makes routine calibration easier.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eManual Metallography Grinding and Polisher Machine QualiGP™ M Series Technical Specifications\u003c\/h2\u003e\n\u003ctable class=\"table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eQualiGP™ M-1Pro\u003c\/th\u003e\n\u003cth\u003eQualiGP™ M-1Pro+\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eWheel diameter\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003eΦ203mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSample pressure detection\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003ctd\u003e0~60N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstant speed\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e150\/300\/700\/1400 r\/min\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRotational speed\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e0-1400r\/min\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRotational direction\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003eClockwise or anticlockwise\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput voltage\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003eAC220V 50Hz 1PH (110V is also available)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput power\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e0.75KW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimension\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e400mm X 622mm X 295mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e22kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/main-dia_0.webp?v=1790232007\" alt=\"Manual Metallography Grinding and Polisher Machine QualiGP™ M Series\"\u003e\u003c\/p\u003e","brand":"Qualitest USA LC","offers":[{"title":"Default Title","offer_id":53041499504951,"sku":null,"price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/manual-metallography-grinding-an.webp?v=1790232020"},{"product_id":"slurry-feeder-automatic-manual-qualigp-sf5","title":"Slurry Feeder – Automatic\/Manual QualiGP™ SF5","description":"\u003ch2\u003eSlurry Feeder – Automatic\/Manual QualiGP™ SF5\u003c\/h2\u003e\n\u003cp\u003eThe QualiGP™ SF5 Slurry Feeder provides manual, semi-automatic, and automatic operating modes for flexible and efficient metallographic sample preparation. Precise fluid control and magnetic stirring help maintain a consistent abrasive slurry supply for reliable grinding and polishing results. Its removable reservoir simplifies cleaning and slurry handling while helping reduce consumable usage. The system is compatible with various polishing configurations and can be customized for multi-unit setups.\u003c\/p\u003e\n\u003ch3\u003eThree Operating Modes: Manual, Semi-Automatic, and Automatic\u003c\/h3\u003e\n\u003cp\u003eSupports manual, semi-automatic, and automatic operation for flexible use across different grinding and polishing applications.\u003c\/p\u003e\n\u003ch3\u003eBroad Equipment Compatibility\u003c\/h3\u003e\n\u003cp\u003eWorks with a wide range of grinding and polishing equipment to support diverse metallographic sample preparation requirements.\u003c\/p\u003e\n\u003ch3\u003ePrecise Polishing Fluid Control\u003c\/h3\u003e\n\u003cp\u003eProvides accurate control of polishing fluid consumption, helping optimize slurry usage and reduce consumable costs.\u003c\/p\u003e\n\u003ch3\u003eConsistent Fluid Delivery\u003c\/h3\u003e\n\u003cp\u003eMaintains a consistent drip frequency and fluid volume to support uniform polishing conditions and repeatable surface preparation results.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/a1_b476e932-96be-4bce-a112-c7c1401eeee0.webp?v=1790232212\" alt=\"Slurry Feeder – Automatic\/Manual QualiGP™ SF5\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/bottle.webp?v=1790232228\" alt=\"Slurry Feeder – Automatic\/Manual QualiGP™ SF5\"\u003e\u003c\/p\u003e\n\u003cp\u003eImproves Sample Preparation Efficiency\u003cbr\u003eEnhances grinding and polishing efficiency by more than 20% when used with appropriate grinding and polishing fluids.\u003c\/p\u003e\n\u003ch2\u003eSlurry Feeder – Automatic\/Manual QualiGP™ SF5 Features\u003c\/h2\u003e\n\u003ctable class=\"table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/11_22.webp?v=1790232459\" alt=\"Slurry Feeder – Automatic\/Manual QualiGP™ SF5\"\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eMagnetic Stirring System\u003cbr\u003eKeeps the polishing fluid well mixed, promoting uniform abrasive distribution and consistent results during grinding and polishing.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/22_13.webp?v=1790232468\" alt=\"Slurry Feeder – Automatic\/Manual QualiGP™ SF5\"\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eIntuitive Control Panel\u003cbr\u003eFeatures an easy-to-use speed control knob, clear display, and responsive buttons for precise adjustments and straightforward operation.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/33_9.webp?v=1790232479\" alt=\"Slurry Feeder – Automatic\/Manual QualiGP™ SF5\"\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eRemovable Large-Capacity Fluid Reservoir\u003cbr\u003eThe large-diameter reservoir is easy to fill and clean, while its removable design allows for quick and convenient maintenance.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/44_3_cacb904e-7e93-4135-9a82-4a9a0433720e.webp?v=1790232491\" alt=\"Slurry Feeder – Automatic\/Manual QualiGP™ SF5\"\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eStandalone Operation\u003cbr\u003eThe main unit is designed separately from the base, providing flexible installation and independent operation for different grinding and polishing configurations.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/55_3.webp?v=1790232506\" alt=\"Slurry Feeder – Automatic\/Manual QualiGP™ SF5\"\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eCustomizable Multi-Unit Configuration\u003cbr\u003eConfigure multiple slurry feeder units to match specific sample preparation requirements and support efficient grinding and polishing workflows.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eSlurry Feeder – Automatic\/Manual QualiGP™ SF5 Technical Specifications\u003c\/h2\u003e\n\u003ctable class=\"table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eQualiGP™ SF5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e220V 50Hz (110V is also available)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrip speed range\u003c\/td\u003e\n\u003ctd\u003e0.3-10 ml\/min\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrip speed\u003c\/td\u003e\n\u003ctd\u003eTen gears\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum capacity of liquid storage tank size\u003c\/td\u003e\n\u003ctd\u003e750ml\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003eSingle unit: 144x231x197(mm)\u003cbr\u003eFive sets: 580x235x212(mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight\u003c\/td\u003e\n\u003ctd\u003eSingle Unit: 2.95kg\u003cbr\u003eFive sets: 19.5kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003ePolishing fluid order number\u003c\/h3\u003e\n\u003ctable class=\"table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eName\u003c\/th\u003e\n\u003cth\u003eGranularity\u003c\/th\u003e\n\u003cth\u003eOrder No.\u003c\/th\u003e\n\u003cth\u003eGranularity\u003c\/th\u003e\n\u003cth\u003eOrder No.\u003c\/th\u003e\n\u003cth\u003eName\u003c\/th\u003e\n\u003cth\u003eGranularity\u003c\/th\u003e\n\u003cth\u003eOrder No.\u003c\/th\u003e\n\u003cth\u003eGranularity\u003c\/th\u003e\n\u003cth\u003eOrder No.\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd rowspan=\"6\"\u003eSingle crystal diamond suspension grinding and polishing fluid\u003c\/td\u003e\n\u003ctd\u003eW0.05\u003c\/td\u003e\n\u003ctd\u003e060205161\u003c\/td\u003e\n\u003ctd\u003eW3\u003c\/td\u003e\n\u003ctd\u003e060205145\u003c\/td\u003e\n\u003ctd rowspan=\"6\"\u003eAlumina Suspension grinding and polishing fluid\u003c\/td\u003e\n\u003ctd\u003eW0.05\u003c\/td\u003e\n\u003ctd\u003e060205114\u003c\/td\u003e\n\u003ctd\u003eW2.5\u003c\/td\u003e\n\u003ctd\u003e060205107\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eW0.25\u003c\/td\u003e\n\u003ctd\u003e060205155\u003c\/td\u003e\n\u003ctd\u003eW3.5\u003c\/td\u003e\n\u003ctd\u003e060205146\u003c\/td\u003e\n\u003ctd\u003eW0.1\u003c\/td\u003e\n\u003ctd\u003e060205117\u003c\/td\u003e\n\u003ctd\u003eW3\u003c\/td\u003e\n\u003ctd\u003e060205104\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eW0.5\u003c\/td\u003e\n\u003ctd\u003e060205149\u003c\/td\u003e\n\u003ctd\u003eW5\u003c\/td\u003e\n\u003ctd\u003e060205151\u003c\/td\u003e\n\u003ctd\u003eW0.2\u003c\/td\u003e\n\u003ctd\u003e060205159\u003c\/td\u003e\n\u003ctd\u003eW5\u003c\/td\u003e\n\u003ctd\u003e060205105\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eW1\u003c\/td\u003e\n\u003ctd\u003e060205144\u003c\/td\u003e\n\u003ctd\u003eW6\u003c\/td\u003e\n\u003ctd\u003e060205150\u003c\/td\u003e\n\u003ctd\u003eW0.5\u003c\/td\u003e\n\u003ctd\u003e060205130\u003c\/td\u003e\n\u003ctd\u003eW7\u003c\/td\u003e\n\u003ctd\u003e060205110\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eW1.5\u003c\/td\u003e\n\u003ctd\u003e060205147\u003c\/td\u003e\n\u003ctd\u003eW7\u003c\/td\u003e\n\u003ctd\u003e060205166\u003c\/td\u003e\n\u003ctd\u003eW1\u003c\/td\u003e\n\u003ctd\u003e060205103\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eW2.5\u003c\/td\u003e\n\u003ctd\u003e060205142\u003c\/td\u003e\n\u003ctd\u003eW9\u003c\/td\u003e\n\u003ctd\u003e060205148\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd rowspan=\"3\"\u003ePolycrystalline diamond suspension grinding and polishing fluid\u003c\/td\u003e\n\u003ctd\u003eW0.5\u003c\/td\u003e\n\u003ctd\u003e060205065\u003c\/td\u003e\n\u003ctd\u003eW6\u003c\/td\u003e\n\u003ctd\u003e060205160\u003c\/td\u003e\n\u003ctd rowspan=\"3\"\u003eSilica suspension grinding and polishing fluid\u003c\/td\u003e\n\u003ctd\u003eW0.02\u003c\/td\u003e\n\u003ctd\u003e060205086\u003c\/td\u003e\n\u003ctd\u003eW0.05\u003c\/td\u003e\n\u003ctd\u003e060205089\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eW1\u003c\/td\u003e\n\u003ctd\u003e060205066\u003c\/td\u003e\n\u003ctd\u003eW9\u003c\/td\u003e\n\u003ctd\u003e060205071\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eW3\u003c\/td\u003e\n\u003ctd\u003e060205076\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"10\"\u003e\n\u003cp class=\"text-align-right\"\u003eCapacity: 500ml\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/main-dia_1.webp?v=1790232315\" alt=\"Slurry Feeder – Automatic\/Manual QualiGP™ SF5\"\u003e\u003c\/p\u003e","brand":"Qualitest USA LC","offers":[{"title":"Default Title","offer_id":53041582145847,"sku":null,"price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/slurry-feeder-automaticmanual-qu.webp?v=1790232370"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/collections\/metallography-grinding-polishing.webp?v=1790184007","url":"https:\/\/qualitest.us\/pt\/collections\/metallography-grinding-polishing-machine.oembed","provider":"Qualitest USA LC","version":"1.0","type":"link"}