Metallographic sample grinding polishing machine MoPao®2

for sample preparationfor medical applicationssingle

Product Overview
This single-disc benchtop automatic grinding and polishing machine MoPao®2 is engineered for fully automated metallographic specimen preparation including coarse grinding, fine grinding, coarse polishing and fine polishing. The unit integrates a microprocessor control with stepless speed regulation for the platen and head, and provides intuitive settings for sample loading pressure and process time. Operators complete process sequences by changing discs, abrasive papers or polishing cloths for high versatility.

Key features

• Microprocessor control with stepless speed regulation of platen and polishing head
• Intuitive controls for load and time settings
• Selectable rotation direction of the grinding/polishing disc
• Quick‑change disc/platen system
• Pneumatic multi‑sample holder with single‑point loading (up to 4 samples)
• Optional automatic abrasive delivery (liquid dispenser)
• Water‑cooling system and abrasive‑spray nozzles for cooling and rinsing
• ABS housing and stainless‑steel standard components for corrosion resistance and easy cleaning
• Cast‑aluminum base for enhanced rigidity and stability
• Smooth operation, high safety and low noise

Main Technical Specifications
Grinding/polishing disc diameter: φ250 mm (customizable to φ203 mm or φ300 mm)
Polishing pad speed: 50–1000 r/min, adjustment increment 20 r/min; fixed speeds: 150, 300, 600, 1000 r/min
Grinding/polishing head speed: 50–150 r/min (stepless)
Loading range: 5–60 N
Compressed air pressure: 0.6–0.9 MPa
Sample preparation time: 0–995 s
Specimen holder diameter: φ30 mm (customizable to φ22 mm, φ45 mm or others)
Maximum samples per batch: 4
Work lighting: LED
Input voltage: Single‑phase AC 220V 50Hz
Input power: 1.1 kW
External dimensions: 596 × 715 × 730 mm
Net weight: 93 kg

Details of Consumable Gifts (supplied with the machine)
1 : Adhesive-backed metallographic sandpaper - unit: piece - quantity: 20 - grit: 240#
2 : Adhesive-backed metallographic sandpaper - unit: piece - quantity: 20 - grit: 400#
3 : Adhesive-backed metallographic sandpaper - unit: piece - quantity: 20 - grit: 800#
4 : Adhesive-backed metallographic sandpaper - unit: piece - quantity: 20 - grit: 1200#
5 : Silk velvet with adhesive backing - unit: piece - quantity: 3
6 : Woolen fabric with adhesive - unit: piece - quantity: 3
7 : Magnetic rubber pad - unit: piece - quantity: 2
8 : Non-stick tray - unit: piece - quantity: 3
9 : Diamond suspension grinding and polishing fluid - unit: bottle - quantity: 1 - spec: W2.5 500ml
10 : Diamond spray polishing agent - unit: bottle - quantity: 1 - spec: W2.5 350ml

Characteristics / specifications

• Model: MoPao®2 (single‑disc automatic metallographic grinder & polisher)
• Disc diameter standard: φ250 mm (options: φ203 mm, φ300 mm)
• Disc speed range: 50–1000 r/min (stepless + four fixed speeds)
• Head speed: 50–150 r/min (stepless)
• Load control: 5–60 N
• Pneumatic multi‑sample holder, max 4 samples per batch
• Compressed air: 0.6–0.9 MPa
• Cooling & flushing: water‑cooling system with abrasive‑spray nozzles
• Power supply: Single‑phase AC 220V 50Hz, 1.1 kW
• Footprint & weight: 596×715×730 mm; net weight 93 kg