Crankshaft Grinding Machine (MQ8240)

Max. Swing diameter over table  400  mm
Radius of crankpins  0-80  mm
Diameter ground(with steady rest)  30-80  mm
Max. Workpiece length  1000  mm
Longitudinal cylindical grinding diameter  30-200  mm
Max. Workpiece weight  80  kg
Center height  220  mm
Workhead spindle speeds  42/65/84/130  r/min
Wheelhead spindle speed  930  r/min
Tailstock spindle sleeve travel  30  mm
Max. Wheelhead displacement on lead screw  275  mm
Wheelhead rapid approach & withdawal  100  mm
Coarse  0.01  mm
Fine  0.0025  mm
 
Hydraulic longitudinal travel speed  0.1-4  m/min
Wheel size  750x40x305  mm
Total power  9.12  kw
Wheel power  7.5  kw
Machine dimension  4000x2100x1630  mm
Machine weight  5000  kg
Work precision    
Roundness  0.005  mm
Uniformity of Longitudinal cross section internal diameter  0.008  mm
Roughness  Ra??0.32  Ra