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3D synchronized grinding guarantees high accuracy of center holes.

High accuracy workpiece setup permits roundness error less than 1μm.
Center hole surface roughness N4~N6=0.2-0.8μm.
Grinding wheel dressing is NC controlled with dressing amount compensation function.
Automatic centering for workpiece clamping simplifies workpiece setup.

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Center Hole Grinding Grinding Examples

Exclusive Grinding Motions
3D synchronized grinding guarantees high accuracy of center holes.

1. Grinding wheel rotation
2. Grinding wheel spindle performs planetary motion.
3. Grinding wheel moves reciprocally along the conic surface.

Extra high positioning accuracy center hole achieves less than 10μm of alignment error between center hole and axial center.
Internal taper angle error is less than 1 second.
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Typical Applications:¡G
Cutting tools
Spindles
Tool shanks
Gear shafts
Tempered transmission shafts


SPECIFICATIONS SRD-1000
Center Hole Dia. Ø1 ~ 60 mm
Work Piece Clamping Range Ø4 ~ 220 mm
Work Piece Length and Weight 50 ~ 1000 mm, max. 120 kgs
Center Hole Angle 60°
Grinder Wheel Spindle Speed 45,000 rpm/min.