high precision most popular Bearing ring centerless grinding machine

Bearing ring centerless grinding machine is mainly used to grinder the inner ring race of small scale ball bearing.

The grinder is widely used in automobiles, tractors, aerospace, instrumentation, bearings, tools, textile machinery, etc.

Main Characteristics

1) Bearing ring centerless grinding machine wheel frame fixed, the guide wheel mobile layout .

 2) Grinding wheel for the cantilever structure, the grinding wheel spindle multi-piece long bearing hydrodynamic oil film bearings.

3) The guide wheel is cantilevered structure, guide wheel spindle is supported by the overall 1:30 vertebral sliding bearings.

4) The guide wheel speed control with AC variable speed.

5)  Wheel and guide wheel dresser reciprocating hydraulic drive, stepless speed control.

The main purpose and  scope of application

Mainly used for grinding through a variety of ring class and the cylindrical surface of the shaft parts .

Centerless Grinder Specification

Thru-feed
1)Grinding diameter	5-80mm
2)Grinding length	180mm
Plunge feed
1)Grinding diameter	5-80mm
2)Grinding length	140mm
Grinding wheel specifications	P500*150*305mm
Regulating wheel specifications	PSA300*150*127mm
Grinding wheel speed	1300r/min
Regulating wheel speed(stepless)	14-180r/min
Swiveling angle of regulating wheel
1)Invertical plane	-2°~ 5°
2)In horizontal plane	0°~ 3°
Feed amount per division of the feed handwheel	0.005mm
Feed amount per division of the dresser	0.01mm
Height from centerline of gri.wheel & reg.wheel to workest	210mm
Toal power of machine	17kw
1)Grinding wheel motor	15kw
2)Regulating wheel motor	1.5kw
Overall dimensions	1950*1580*1485mm
Machine weight	about 3500kg
Machining accuracy
1)Roundness	0.002mm
2)Cylindricity	0.003mm
Surface Roughness	Ra0.32um

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high precision most popular Bearing ring centerless grinding machine