Face hob hypoid gear tooth top-land radius by common chamfer tool
AssigneeFord Global Technologies, LLC
InventorsChunliang Hsiao, Stefano Lombardo, Paul J. Bojanowski
Life of this patent
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Abstract
A ring gear or pinion common outside chamfer tool and a common inside chamfer tool are disclosed. The common chamfer tools comprise a shank, a tip end and a chamfering edge. The shank is attachable to a gear cutter and has a tip end formed on the distal end thereof. The chamfering edge is positioned within the tip end and is configured to form a tooth top-land radius of multiple gear ratios. A method of designing a ring gear or pinion common outside chamfer tool and common inside chamfer tool for multiple gear ratios is also described.
Claims4
An apparatus for chamfering a gear tooth top-land radius of multiple gear ratios comprising:
- a gear cutter tool having multiple blade attachments;
- at least one pair of ring gear or pinion cutting blades, one of the ring gear or pinion blades being an outside cutting blade and one of the ring gear or pinion blades being an inside cutting blade;
- wherein
- the outside cutter blade forms a drive side surface of a pinion gear or a coast side surface of a ring gear;
- and
- the inside cutter blade forms a coast side surface of a pinion gear or a drive side surface of a ring gear;
- at least one pair of chamfer blades, one of the chamfer blades being an outside chamfer blade and one of the chamfer blades being an inside chamfer blade wherein the outside chamfer blade forms a ring gear coast side or pinion drive side tooth top-land radius of multiple gear ratios;
- and
- the inside chamfer blade forms a ring gear drive side or pinion coast side tooth top-land radius of multiple gear ratios.
Dependencies are inferred from the claim text.