System and method for precision machining of high hardness gear teeth and splines
AssigneeSikorsky Aircraft Corporation
InventorsEdward H. Bittner, George D. Mitchell, Jr., Ronald S. Taylor
Life of this patent
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Abstract
A gear shaper machine system drives and maneuvers a hone tool to generate teeth geometry in a manner the teeth were machined prior to a hardening process. After heat treatment, the hone tool is indexed to the teeth geometry spacing of the workpiece so as to divide the stock removal evenly between the drive and coast sides. The hone tool may be driven with rotational and reciprocating synchronous teeth generating motion in which the hone tool reciprocates along the length of the teeth parallel to the centerline of the workpiece while the workpiece and hone tool rotate with synchronous motion.
Claims22
A method of manufacturing teeth geometry in a workpiece comprising the steps of:
- (A) machining a teeth geometry in a workpiece with a cutting tool mounted within a gear shaper machine;
- (B) heat treating the teeth geometry after said step (A);
- and
- (C) honing the heat treated teeth geometry in the workpiece with a honing tool mounted within the gear shaper machine after said step (B), the honing tool comprising a hone having a plurality of teeth around an outer circumference of the hone, the teeth parallel to a longitudinal axis of the honing tool.
A method of manufacturing teeth geometry in a workpiece comprising the steps of:
- (A) machining a teeth geometry in a workpiece with a cutting tool mounted within a gear shaper machine which provides a synchronous motion between a cutting tool and the workpiece;
- (B) heat treating the teeth geometry after said step (A);
- (C) reciprocating a honing tool mounted within the gear shaper machine in mesh with the heat treated teeth geometry with the synchronous motion of said step (A), said honing tool comprising a hone having a plurality of teeth around an outer circumference of the bone, the teeth parallel to a longitudinal axis of the honing tool, the mesh between at least one of the plurality of teeth of the bone and the heat treated teeth geometry.
A system for manufacturing teeth geometry in a heat treated workpiece comprising:
- a gear shaper machine having a machine spindle;
- a cutting tool mountable within the machine spindle for machining a teeth geometry in a workpiece before heat treating;
- a hone holder mountable within the machine spindle;
- a hone mountable to said hone holder, said hone having a plurality of teeth around an outer circumference of said hone, said teeth parallel to a longitudinal axis of said hone holder;
- and
- a controller in communication with said machine spindle to reciprocate said hone holder parallel to a centerline of a workpiece such that said at least one of said plurality of teeth of said hone remains in meshing engagement with the heat treated teeth geometry of the workpiece.
Dependencies are inferred from the claim text.