Grinder & Polisher


Other Data:


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.


※Mobiles and tablets can be slid left and right.


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.






Platen Size (mm)

Ø203.2  (8”)

Ø254 (10”)

Platen Quantity


Grinding Method

Manual (Auxiliary Sample Holder)

Grinding Quantity


Sample Size (mm)

Ø25/Ø32/Ø40/Ø50 (Special sample size can be customized)

Platen Motor Power (W)


Platen Rotational Speed (rpm)

1~600 (Effective Rotational Speed 10~600)

Machine Dimension

WxDxH (mm)


Machine Weight (kg) AC110V 1Ø



Machine Weight (kg) AC220V 1Ø



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


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)