Main application
MK82125/8000-H is used for grinding journals and crank pins of various kinds of marine diesel engine, internal combustion engine for locomotive, large-size compressor and other heavy duty power machinery. It is suitable for plants or repair shops engaged in single piece and small lot of production.
Main Technical Specifications
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Max. swing dia. of workpiece
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?1250 mm(to be extended toΦ1400 mm)
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Max. workpiece length between chucks
between centers
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8000 mm
8500 mm
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Journal dia. to be ground
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?100～?400 mm
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Pin dia. to be ground
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0～R250 mm
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Max. workpiece weight
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10000 Kg
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Center height
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750 mm
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Steady rest supporting range
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?100～?400 mm
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Wheel size Max.
Min.
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Φ1600×80～120×Φ305 mm
Φ1200×80～120×Φ305 mm
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Wheel peripheral velocity
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35 m/s (constant speed)
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Workpiece rotation speed
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4～30 r/min
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Carriage longitudinal stroke (Axis Z)
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≥8500 mm
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Carriage longitudinal speed (Axis Z)
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100～2000 mm/min
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Wheel slide traverse speed (Axis X)
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0.1～2000 mm/min
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Wheel slide min. infeed (Axis X)
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0.002 mm
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Wheelhead motor power (AC frequency-conversion)
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30 KW
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Headstock motor torque (AC servo)
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50 Nm
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Tailstock motor torque (AC servo)
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50 Nm
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Working accuracy
Roundness
Diameter uniformity
Surface roughness (Cylindrical / endface)
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0.015 mm
0.02 mm
Ra0.63/1.25 μm
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