Specification:Rated Voltage:AC220VGrind Clamp Power:0.5-0.78mpaAvailable Lens Diameter:Φ22- Φ80(mm)Noise:≤60dBAvailable Grinding Wheel Diameter:Φ100（mm）Grinding Wheel Group Width:60～100（mm）Rated Frequency:50～60HzRated Power:≤396WMeasurement:468?460?400（mm）Weight:4.8kgAccessible Lens Material :Optical Lens、CR-39 LensGrinding Type: bevel edge Grinding、Non-frame