Mercury Mercantile

Auto Metallographic Grinding Polishing Machine (Single Force) MM-2S-250A

The MM-2S-250A Double Disc Automatic Grinding and Polishing Machine integrates metallographic sample pre-grinding, grinding, and polishing into a single efficient unit. Designed for enterprises and research institutions, it combines robust power with quiet operation and user-friendly controls. This durable machine ensures smooth, high-quality sample preparation, making it an essential tool for metallographic analysis.

Key Features

  • Multi-functionality: Combines pre-grinding, rough grinding, fine grinding, rough polishing, and fine polishing.
  • Dual Disc Control: Independent control for each disc with variable speed adjustment and four fixed-speed options.
  • LCD Interface: Intuitive screen for easy operation and precise control.
  • Fine Surface Treatment: Ensures smooth and high-quality sample finishes.
  • Durable Build: High-strength fiberglass shell for long-term reliability.
  • Automatic Force Application: Adjustable loading range (0-0.7 MPa), suitable for various sample types.
  • Bidirectional Disc Rotation: Clockwise and counterclockwise operation for versatility.
Key Features

Product Name: MM-2S-250A
Working Disc Diameter: φ250 mm (customizable to φ230 mm, φ300 mm)
Disc Speed: 50-1000 rpm (variable speed), 400 / 600 / 800 / 1000 rpm (four fixed speeds)
Grinding/Polishing Head Speed: 5-150 rpm (variable speed)
Sample Capacity: 6 pcs
Force Loading Range: 0-0.7 MPa (adjustable)
Sample Preparation Time: 0-3000 s
Specimen Diameter: φ30 mm (customizable to φ22-φ45 mm)
Input Voltage: Single phase 220V ±10%, 50-60 Hz
Total Power: 900 W
Overall Dimensions: 790 x 740 x 700 mm
Packing Dimensions: 920 x 820 x 840 mm
Net Weight: 89.6 kg
Gross Weight: 113.5 kg

Packing List

Main Machine: MM-2S-250A (1 set)
Product Instruction Manual: 1 sheet
Product Certificate: 1 sheet
Packing List: 1 sheet
Polishing Velvet (Φ250 mm): 2 pcs
Metallographic Sandpaper (Φ250 mm): 8 pcs
Grinding and Polishing Disc (Φ250 mm): 2 pcs
Aluminum Buckle Ring (Φ250 mm): 2 pcs
Drain Pipe: 1 pc
Inlet Pipe: 1 pc
Pressure Pipe (Φ8 x 3000 mm): 1 pc
Oil-Water Separator: 1 pc
Magnetic Disc: 2 pcs
Anti-stick Disc: 5 pcs
Leveling Foot: 4 pcs
Power Cord: 1 pc
Dust Cover: 2 pcs
Water Retaining Ring: 2 pcs

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