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US 2019/0099812 A1Published application
Workholding arbor for gears
AssigneeThe Gleason Works
InventorsWilliam A. Curtis, Patrick R. Piedici
Life of this patent
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Abstract
A workholding apparatus (2) having jaws (5) comprising interchangeable adapter blocks (12) that enable a single workholding apparatus (2) to accommodate workpieces (22) having a range of inner bore diameters.
Claims10
A workholding arbor for holding gear workpieces for processing on a gear processing machine, said arbor being rotatable about an axis of rotation and comprising:
- an arbor body having an axial outer end portion for releasably mounting of a gear workpiece and an axial inner end portion insertable into a gear processing machine,
- a backing plate located at the outer end,
- an expander located within the arbor body, said expander being movable axially and in opposite directions along said axis of rotation,
- a plurality of jaws adjacent said backing plate, said jaws being movable radially toward and away from said axis of rotation with each jaw comprising an expanding wedge,
- each jaw further comprising an adapter block having a radial length, said adapter block being located radially outward of and removably attached to each of said expanding wedges and being radially movable therewith,
- at least one resilient means attached to each of said adapter blocks, said at least one resilient means exerting a force to urge movement of said adapter blocks in a radially inward direction.
3 more elements
Dependencies are inferred from the claim text.