Automatic grinding and polishing system for metallography
Enhance precision and safety in material analysis with this state-of-the-art system designed to automate the grinding and polishing of metallographic samples, ensuring optimal preparation for accurate testing and evaluation.

The Saphir 550 with Rubin 520 from QATM is an innovative grinding and polishing system designed for efficient preparation of metallographic samples. Featuring an advanced grinding and polishing head, this equipment offers single and central pressure options, variable speeds, and a programmable memory function to streamline your workflow. It’s ideal for producing metal alloy components, microstructural analysis samples, and specimens for failure analysis, catering to industries such as metallurgy, automotive, and aerospace. The system’s integrated dosing and automatic protective hood enhance safety and precision, while the motor-driven height setting allows for material removal to a pre-set accuracy of 0.01 mm. Available in working wheel diameters of 200 to 300 mm, this machine combines robust performance with flexibility and ease of integration into laboratory and processing environments.
Benefits
- Enhances sample preparation efficiency with automated grinding and polishing processes.
- Increases safety with an automatic protective hood and controlled operation.
- Saves time and reduces error with programmable memory settings for consistent results.
- Adapts to diverse sample requirements with variable pressure and speed options.
- Ensures precise material removal with motor-driven height adjustment accurate to 0.01 mm.
- Applications
- Metal samples,Precision instruments,Metallographic samples,Industrial metal parts,Material analysis,Hardness testing,Materialography testing
- End products
- Metallurgically prepared samples for quality control,Test coupons for hardness evaluation,Specimens for failure analysis,Calibrated metal surfaces for wear testing,Precision machined parts,Metal alloy components,Microstructural analysis samples
- Steps before
- Cutting,Mounting,Pre-Grinding
- Steps after
- Etching,Analyzing,Hardness Testing
- Input ingredients
- metal samples,materials for grinding,materials for polishing
- Output ingredients
- ground samples,polished samples,material removed measurement
- Market info
- QATM is renowned for its expertise in manufacturing high-quality metallographic equipment and consumables, providing innovative solutions for material testing and analysis, which are trusted by laboratories and quality control professionals globally.
- Speed (grinder)
- 50 - 600 rpm
- Speed (head)
- 30 - 150 rpm
- Working Wheels Diameter
- 200 - 300 mm
- Single Pressing Force
- Variable,5-100 N
- Central Pressing Force
- Variable,20-400 N
- Connection Power
- 3.2 kVA
- Drive Power (base)
- 0.75 kW S6/40%
- Drive Power (head)
- 0.17 kW S1
- Dimensions (W x H x D)
- 560 x 550 - 650 x 660 mm
- Weight
- ~ 85 kg
- Water Connection
- 1x fresh water connection R½" max. 6 bars
- Accuracy of Material Removal
- 0.01 mm accuracy
- Working Mechanism
- Single Wheel Grinder/Polisher
- Integrated Steps
- Grinding,Polishing
- Pressure Control
- Single and Central Pressure
- Automation Level
- Programmable Memory
- Pressure Range
- 5-100 N (Single),20-400 N (Central)
- Height Adjustment
- Motor-driven,0.01 mm accuracy
- Speed Control
- Variable Speed (50 - 600 rpm)
- Protective Features
- Automatic Protective Hood
- Spray System
- Integrated Dosing System
- Abrasion resistance
- High
- Cleanability
- Easy
- Corrosive resistance (e.g. acids)
- High
- Density/particle size
- 0.5–2.5 g/cm³ / 50–1000 µm
- Machine footprint
- 560 x 550 - 650 x 660 mm
- Weight
- ~ 85 kg
- Working wheel size
- Ø 200 - 300 mm
- Sample size (single pressure)
- 1-6 samples Ø 50 mm
- Water connection
- 1x fresh water connection R½" max. 6 bars
- Control panel type
- Electronic touch screen
- Rotation direction
- Clockwise/counter-clockwise
- Height adjustment
- Motor-driven with pneumatic clamping
- Sample pressure control
- Single and central pressure
- Protective features
- Automatic front cover
- Variable speed control
- Variable speed for wheel and head
- Memory function
- Programmable memory for side and height adjustment
- Dosing system
- Integrated dosing system