High Precision Manual Operation Centerless Grinding Machine for Max. Od. 50mm M1050A CNC for Optional

Product Description

Salient Feature:
★The bearing of grinding wheel spindle is five plates dynamic sliding bearing, with high carrying capacity and rigidity.
★The bearing of regulating wheel spindle is 1:30 cones integral sliding bearing with high carrying capacity and precision.
★The feeding system equipped servo motor with high precision planetary gear reducer, feeding through coupling driving ballscrew.
★The grinding wheel dresser droved by servo motor and ball screw, dressing any steps without any gauge finder.
★AC frequency converter is used for regulating wheel speed control .
★Hydraulic transmission & stepless speed regulation are adopted on regulating wheel dresser.
★The machine operated by 10' touch screen, auto plunge feeding, load, speed, time and steps can be adjusted.
★Equipped Mitsubishi electrical system.
Main Application:
The grinder is mainly used for through-feed grinding for cylindrical surface of ring-type and bearing parts, as well as for manual plunge-cut grinding of
various stepped, cones cylindrical screw surfaces.

Technical data:

Thru-feed
1)Grinding diameter	5-50mm
2)Grinding length	120mm
Plunge feed
1)Grinding diameter	7-50mm
2)Grinding length	120mm
Grinding wheel specifications	P400*150*203mm
Regulating wheel specifications	PSA300*150*127mm
Grinding wheel speed	1668r/min
Regulating wheel speed(stepless)	20-200r/min
Swiveling angle of regulating wheel
1)In vertical 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	0.01mm
Height from centerline of gri.wheel & reg.wheel to workrest	220mm
Total power of machine	13.78kw
1)Grinding wheel motor	11kw
2)Regulating wheel motor	1.5kw
Overall dimensions	1920*1681*1479mm
Machine weight	about 2800kg
Machining accuracy
1)Roundness	0.002mm
2)Cylindricity	0.003mm
3)Surface Roughness	Ra0.32um

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