Automatic bearing centerless grinder

Automatic bearing centerless grinder wheel frame fixed, the guide wheel mobile layout.

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,  manual grinding of the ladder, cone and cylinder rotating surface.

Centerless Grinder Specification

Thru-feed
1)Grinding diameter	0.5-10mm
2)Grinding length	40mm
Plunge feed
1)Grinding diameter	3-10mm
2)Grinding length	40mm
Grinding wheel specifications	P200*50*75mm
Regulating wheel specifications	P125*50*50mm
Grinding wheel speed	3320r/min
Regulating wheel speed(stepless)	45-240r/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	0.001mm
Feed amount per division of the dresser	0.02mm
Height from centerline of gri.wheel & reg.wheel to workest	125mm
Toal power of machine	2.31kw
1)Grinding wheel motor	1.5kw
2)Regulating wheel motor	0.6kw
Overall dimensions	1125*1125*1500mm
Machine weight	about 850kg
Machining accuracy
1)Roundness	0.002mm
2)Cylindricity	0.003mm
Surface Roughness	Ra0.32um

Automatic bearing centerless grinder