The semi-automatic dual disc grinding and polishing machine (P20G-2-M1) is specially designed for metallographic specimen preparation and equipped with a grinding arm, making sample preparation requirements easy to achieve. This machine can grind and polish the sample surface to a mirror-like smoothness, providing a convenient and high-quality solution for metallographic structure observation, analysis, material analysis, hardness testing of metal or other materials, and other needs.
The semi-automatic design of P20G-2-M1 makes the preparation process more efficient and easy to control. Users can easily operate the grinding arm and precisely adjust the grinding and polishing process as needed, ensuring that each sample achieves the desired preparation effect. This convenience in operation makes metallographic preparation work more enjoyable and straightforward.
Features
Superior industrial material body
Exquisite Appearance
Streamline appearance design and glossy film surface finishing makes the mechanical appearance artistic and exquisite.
Modular design
The combined control box can be fixed behind the machine or be placed next to the machine with quick-change design, which is easy to clean and can maximize the space.
Platen speed and direction adjustable
Adjust the platen speed and rotational direction based on the sample materials.
Low speed grinding and polishing function
Rotational speed can be lowered to 10 rpm. With external dispenser (optional), it meets the requirement of long-time polishing process without deformation.
Versatile M1 sample-fix arm
Grinding by assistant handle
Z-axis adjustable (with fixed design)
Horizontally moveable (with fixed design)
Rapid changing design for sample holders
Various anti-splash application
Various anti-splash covers can be applied based on the method of polishing process.
Automatic drying function
The automatic drying function makes the cleaning process faster. Also, avoid the crossing contamination during the operating process.
Extracted water hose
Clean the machine conveniently
Various choices of platen
Platen size of 8” and 10” are suitable for any consumables application.

| Model | P20G-2-M1 | P25G-2-M1 |
| Platen Size (mm) | Ø203.2 (8”) | Ø254 (10”) |
| Platen Quantity | 2 | |
| Grinding Method | Manual (Auxiliary Sample Holder) | |
| Grinding Quantity | 1 | |
| Sample Size (mm) | Ø25/Ø32/Ø40/Ø50 (Special sample size can be customized) | |
| Platen Motor Power (W) | 400 | |
| Platen Rotational Speed (rpm) | 1~600 (Effective Rotational Speed 10~600) | |
| Machine Dimension WxDxH (mm) | 880x650x600 | |
| Machine Weight (kg) AC110V 1Ø | 86 | 88 |
| Machine Weight (kg) AC220V 1Ø | 76 | 78 |
| Standard Accessories | Grinding Platen 1 pc, O-Ring 1 pc, Polishing Platen 1 pc, Anti-Splash Cover 4 pcs, Silicon Carbide Paper 8 pcs, Polishing Cloth 2pcs, Aluminum Oxide Powder 100g, Filter 1 set, 500g Dispenser 1 pc | |
| Option | P20F0027 Dispenser Set for One Bottle, P20F0028 Dispenser Set for Four Bottles, PA0108-1 8” Anti-Splash Cover (Manual), PA0108 10” Anti-Splash Cover (Manual), PA0108-3 8” Anti-Splash Cover (Auto), PA0108-4 10” Anti-Splash Cover (Auto), PA0108-2 Anti-Splash Cover (Full-Cover) | |