Precision Machinery

machine-tool-prod-head-en-2

Centerless type SG1-IR

Cylindrical grinder for inner ring grooves, equipped with a proprietary dynamic-pressure bearing and a high-speed loader

sg1-ir-s

Features

  • Grinding wheel spindle equipped with a non-circle, one-side-wedge dynamic pressure bearing
  • High-speed loader equipped with AC servomotor and cam

 

Grinding Specifications

Workhead type 2 shoe centerless
both side drive
Min. Max.
Outer diameter     φ2 φ12.5
Width     1 7
Groove radius     - 3
g_dia_e

Inside of Machine

2 shoe centerless both side drive

ir-workhead

Grinding Examples

Machine type SG1-IR
Workhead type     2 shoe centerless
both side drive
Method of grinding     Plunge Grinding
Work Diameter work-sg1-ir

 

Material SUJ2
Hardness HRC58 to 62
Stock removal φ0.15mm
Grinding
accuracy
Size
variation
within R=4µm
(without constant size)
Roundness
(O.D.roundness+)
within 0.3µm
Roughness within Ra 0.3µm
Concentricity within 1µm
R Shape within WRt 0.5µm
Parallelism
datum
face of
groove
within 5.0µm
Cycle
Time
within 5.5sec

*The above is a part of the grinding example.
To contact us various components also except bearing.

Machine Dimensions

sg1-ir-dim