India hot! high precision most popular Bearing ring grinder machine

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

Main Characteristics

1) Automatic bearing centerless grinder 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	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)Invertical 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 workest	190mm
Toal 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
Surface Roughness	Ra0.32um

India hot! high precision most popular Bearing ring grinder machine