Mercury Mercantile

Auto Metallographic Grinding Polishing Machine (Single + Central Force) MM-2SC-250A

The Automatic Grinding and Polishing Machine MM-2SC-250A integrates central and single-point pressurization in a compact, double-disk desktop design. This versatile machine is a new generation of precision metallographic sample preparation equipment designed with advanced international technology. Equipped with an electronic proportional valve, it allows stepless adjustment of grinding and polishing pressure, providing intuitive control over the process. Its durable aluminum cast base enhances stability and reduces vibration, ensuring high-quality, consistent results for scientific and industrial applications.

Key Features

  • Integrated Pressurization: Combines central force and single-point pressurization for versatile sample preparation.
  • Advanced Control System: Microprocessor-controlled speed and pressure for precise, customizable operation.
  • Variable and Fixed Speed Options: Stepless speed adjustment and three fixed speeds (300/600/900 rpm) for grinding and polishing.
  • Intuitive LCD Interface: Simplifies operation and allows precise adjustments.
  • Durable Construction: High-strength fiberglass shell and cast aluminum base for long-lasting stability.
  • Bidirectional Rotation: Supports clockwise and counterclockwise disc rotation for optimal polishing results.
  • Rapid Disc Replacement: Easy swap of grinding and polishing plates or accessories to adapt to different tasks.
  • Quiet Operation: Low noise design for a safer and more comfortable working environment.
Key Features

Product Name: MM-2SC-250A
Disc Diameter: φ250 mm (customizable to φ230 mm, φ300 mm)
Disc Speed: 50-1000 rpm (variable), 300/600/900 rpm (three fixed speeds)
Rotation Direction: Clockwise and counterclockwise
Head Speed: 5-150 rpm (variable)
Sample Capacity: 6 pcs
Force Loading Range: Individual 20-70 N, Central 150-300 N
Sample Preparation Time: 0-3000 s
Specimen Diameter: Standard φ30 mm (customizable to φ22-φ45 mm)
Input Voltage: Single phase 220V ±10%, 50-60 Hz
Total Power: 1100 W
Overall Dimensions: 735 x 570 x 590 mm
Packing Dimensions: 935 x 865 x 540 mm
Net Weight: 90 kg
Gross Weight: 102 kg

Packing List

Main Machine: MM-2SC-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 Feet: 4 pcs
Power Cord: 1 pc
Dust Covers: 2 pcs
Water Retaining Rings: 2 pcs
Central Clamping Plate: 1 pc
Central Clamping Plate Mounting Disc: 1 pc
Individual Clamping Plate: 1 pc

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