PT. Dinamika Nusantara Pranata

MQ8260B Crankshaft Grinding Machine

MQ8260B Crankshaft Grinding Machine

Models MQ8260B
Max. swing over table 580mm
Dia. ground with steady rest 30-100mm
Throw of crankpin 0-110mm
Dia. ground for longitudinal cylindrical grinding 30-200mm
Max. work chucking length 1500mm (on common chucks)
1390mm (on cross chucks)
Distance between centres 1600mm
Centre height 300mm
Taper of workhead centre No.5 morse
Taper of tailstock centre No.5 morse
Max. weight of work 120kg
General perfomance
Traverse of tailstock sleeve 30mm
Wheel dressing & compensation feed By hand
Auto. intermittent feed No
Auto. plunge-cut feed No
Workhead
Possibility of spindle rotation Possible
Possibility of base plate swivel Impossible
Spindle speed 25, 50, 100 r/min (for 50Hz)
30, 60, 120 r/min (for 60Hz)
Chuck diameter (3 jaw) 250mm (common chuck)
200mm (cross chuck)
Wheelhead
Wheel size 900x40x305mm (Max)
600x40x305 (Worn to)
Spindle speed 760 r/min (for 50Hz)
760 r/min (for 60Hz)
Max. travel (including rapid travel) 300mm
Max. cross travel on leadscrew 200mm
Rapid travel 100mm
Wheelhead cross travel against the saddle 70mm (forward)
55mm (backward)
Travel per rev. of handwheel 1mm
Travel per div. of handwheel 0.005mm
Table
Travel per rev. of handwheel 5mm
Max. longitudinal travel 1600mm (by hand)
1600mm (by power)
Max. swivel of upper table Clockwise 1°30’
Counter clockwise 1°30’
Grinding capacity 580x1600mm
Overall dimensions (LxWxH) 4000x2100x1630mm
Net Weight 6710kg
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