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US 2020/0353589 A1Published application
Workpiece spindle for a magnetic-shoe external cylindrical grinding machine, and magnetic-shoe external cylindrical grinding machine
AssigneeSchaeffler Technologies AG & Co. KG
InventorsHelmut Sturm, Klaus Pichl
Life of this patent
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Abstract
A workpiece spindle for a magnetic-shoe external cylindrical grinding machine a spindle for rotating a ring-shaped workpiece, a holding device for holding the ring-shaped workpiece and a hydraulic magnetic core lifting device coupled to the spindle and to the holding device to vary an axial spacing between the holding device and the spindle. The holding device has a magnetic shoe for clamping the ring-shaped workpiece in the holding device.
Claims13
-9. (canceled)
A workpiece spindle for a magnetic-shoe external cylindrical grinding machine comprising:
- a spindle for rotating a ring-shaped workpiece;
- a holding device for holding the ring-shaped workpiece, comprising:
- a magnetic shoe for clamping the ring-shaped workpiece in the holding device;
- and
- a hydraulic magnetic core lifting device coupled to the spindle and to the holding device to vary an axial spacing between the holding device and the spindle.
2 more elements
Dependencies are inferred from the claim text.