
Various Materials Semi-Automatic Dual Disc Grinding and Polishing Machine for Metallography. Dual-Operator Efficiency: Double-disc design allows two people to operate simultaneously for higher throughput. Precise Speed Control: Frequency converter enables adjustable speed between 50 and 1000 RPM for various applications. Integrated Cooling System: Built-in cooling device prevents sample overheating and protects metallographic structure. Independent Pressure Control: Adjustable dripping and dosing device allows different pressures for 1-4 samples. Non-Standard Customization: Supports non-standard customization for working voltage, speed, and product size. High Precision Grade: Achieves 0.5 accuracy grade for reliable metallographic sample preparation.