Crankshaft Grinding Machine M8260X3000mm

Specifications

1.max working swing dia.600mm
2.max working length 3000mm

CRANKSHAFT GRINDING MACHINE M8260X3000mm SPECIFICATION:

3.Main specifications:

maximum swing over bed:  600mm

maximum length of workpiece:  3000mm

centre height:   320mm

diameter able to grind with steady rest: 

                          170mm (maximum)

                          50mm  (minimum)

centre distance:    3000mm

chuck distance:    2800mm

throw of pin:      120mm

maximum weight of workpiece:  600kg

speed of work spindle:   25-90r/min  (stepless)

taper of center for headstock:   metric tape 80

taper of center for tailstock:    metric tape 80

 

 Work table

 table traverse per hand wheel revolution:

                          5.88 (coarse)

                          1.68 (fine)  

 maximum amount of longitudinal movement:

                          3000mm (manual operation)

                          3000mm (engine driven)

Grinding carriage

wheel size:

                          900x65x305mm (maximum)

                          650x65x305mm (minimum)

speed of wheel spindle:

                          890r/min (maximum), 740r/min (minimum)

maximum traverse of grinding carriage :   185mm

rapid advance-and-retreat of grinding carriage:  260mm

adjustment range between grinding carriage and bench hook

                          80mm (forward)    100mm (backward)

cross feed per hand wheel revolution:  1mm

 cross feed per hand wheel division:    0.005mm

 wheel peripheral speed:             35m/s

 

Hydraulic system

 pressure range for mail oil way:  0.9-1.1Mpa

 Pressure range for lubrication circuit: 0.2-0.3 Mpa

 rate of flow of pump:  15L/min

 pressure of oil pump:  2.5Mpa

 

coolant system

 rate of flow of cooling pump :   100L/min

 

 Motor powers of the machine

 motor power of grinding wheel:   15KW

 motor power of headstock and tailstock:  2x7.5KW (SGMGH, Japan)

motor power of oil pump:   0.55KW

 motor power of cooling pump: 3KW

 motor power of work table:   3KW

 

overall dimension of the machine

9650x2400x1950mm (LxWxH)

net weight: 14000kg

 

Working accuracy

 roundness:     0.09mm (0.018mm in diameter)

 (in longitudinal section) conformity error between crank arm journals: 0.012mm

 surface roughness     0.32μm

surface waviness     1.6μm