I. General Feature of the machine:
H236 CNC Crankshaft Journal Grinder is used for mass crankshafts in the automobile, diesel-making factories. Siemens 840D control system is adopted for 4 axis control in wheelhead infeed, worktable shift and two axis interlock for wheel profile dressing. The machine is with the functions of: Auto plunge–in, rough grinding, semi–fine grinding, fine grinding, auto positioning, auto on-line measuring, auto clamping and release, auto wheel dressing and wheelhead compensating after dressing, and safety interlock, ect. All machining will be automatically except workpiece loading.
II. Specification of the machine:
Max. Dia swing over table Φ 400mm
Max. Amount length of the workpiece 1500mm
Max. Dia. Of the grinding wheel Φ 1100mm
Max. Workpiece weight 200kg
Wheel peripheral speed 45m/s(constantly)
Wheelhead motor power 30KW
Taper of workhead and tailstock Morse #6
Max. Grinding dia. With steady-rest 145mm
Wheelhead infeed speed 0.1~5000mm/min
Wheelhead infeed resolution 0.0005mm
Worktable moving speed 1~10000mm/min
Worktable moving resolution 0.001mm
III. Working accuracy:
Roundness 0.004 mm
Taper 0.004 mm
Surface roughness:
Cylindrical Ra 0.63μ M
End face Ra 0.8μ M(by eye)
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