Specification / Model PC-12 Grinding Wheel Standard Grinding Range (Dia.) úX 1 ~ 40 mm Capacity Increases with Special Arrangement úX 30 ~ 60 mm Grinding Wheel Size (O.D. x Width x I.D.) úX305 x 150 x úX120 mm Grinding Wheel Speed 1900 R.P.M. Grinding Wheel Motor 7 1/2 HP x 4P Regulating Wheel Regulating Wheel Size (O.D. x Width x I.D.) úX205 x 150 x úX90 mm Regulating Wheel Speed 20 ~ 337 R.P.M. (10 Steps) Regulating Wheel Motor 1 HP x 6P Regulating Wheel Tilt Angle +5óX ~ -3óX Regulating Wheel Swivel Angle +/-5óX Hand Wheel Graduation Upper Slide Feed Graduation 4mm/rev. 0.025mm/graduation Upper Slide Micro-Feed Graduation 0.1mm/rev. 0.001mm/graduation Lower Slide Feed Graduation 7mm/rev. 0.05mm/graduation Lower Slide Micro-Feed Graduation 0.2mm/rev. 0.001mm/graduation Trimming Device Graduation 1.25mm/rev. 0.01mm/graduation Drive Motors Hydraulic Pump Motor 1 HP x 4P Coolant Pump Motor 1/8 HP x 2P. Machine Dimensions (L x W x H) 1750mm x 1050mm x 1400mm Net Weight 1650 kgs Gross Weight 1900 kgs.