1. Salient features:
1.1 Grinding wheel and Regulating wheel
1.1.1.Structure of fixed grinding wheel and movable regulating wheel
1.1.2.The grinding wheel designed in cantilever type, and its spindle adopted multi-plate long bearing bushed static-hydrodynamical oil film bearing.
1.1.3.Cantilevered regulating wheel, the spindle supports solid bearing sliding with 1:30 taper.
1.1.4.The swallow tailed roller guideway & differential screw supports the regulating wheel feeding
1.2.Electric
1.2.1.AC frequency converter is used for regulating wheel speed control .
1.2.2.Hydraulic transmission & stepless speed regulation are adopted on regulating wheel & grinding wheel dresser.
1.3. Machine body and design
1.3.1. Equipped automatic plunge device in the grinder.
1.3.2. Iron casting with high rigidity, natural aging.
2. Technical Data:
Thru-feed | |
1)Grinding diameter | 2-40mm |
2)Grinding length | 140mm |
Plunge feed | |
1)Grinding diameter | 7-40mm |
2)Grinding length | 120mm |
Grinding wheel specifications | PSA350*125*127mm |
Regulating wheel specifications | PSA250*125*75mm |
Grinding wheel speed | 1870r/min |
Regulating wheel speed(stepless) | 20-180r/min |
Swiveling angle of regulating wheel | |
1)In vertical plane | -2°~ 4° |
2)In horizontal plane | 0°~ 3° |
Feed amount per division of the feed handwheel | 0.002mm |
Feed amount per division of the dresser | 0.01mm |
Height from centerline of gri.wheel & reg.wheel to workrest | 190mm |
Total power of machine | 9kw |
1)Grinding wheel motor | 7.5kw |
2)Regulating wheel motor | 1.1kw |
Overall dimensions | 1550*1300*1405mm |
Machine weight | about 2000kg |
Machining accuracy | |
1)Roundness | 0.002mm |
2)Cylindricity | 0.003mm |
3)Surface Roughness | Ra0.32um |
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