US Patent: 7,651,383
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| Method of Lapping Gears
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Patentee:
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| Hermann J. Stadfeld (exact or similar names) - Webster, NY |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Oct. 12, 2007 |
| Granted: |
Jan. 26, 2010 |
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Joel Havens
Gleason Corporation
Gleason company history
"Vintage Machinery" entry for the Gleason Works
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Description: |
| Robert L. McDowell - patent attorney
SUMMARY OF THE INVENTION
The present invention provides a controllable gear lapping process whereby the lapping process may be modified at discrete locations on the tooth surface in order to selectively modify the tooth flank surface. The inventive method of lapping a gear set having first and second gear members comprises defining a plurality of grid points on the tooth flank surfaces of each of the first and second gear members. A lapping correction is determined for more than one, preferably all, of the plurality of grid points with the lapping correction defining an amount of lapping at each of the more than one of the plurality of grid points whereby an amount of stock material is removed at each of the more than one of the plurality of grid points and wherein the amount of stock material removed at each of the more than one of the plurality of grid points is dependent upon the magnitude of the lapping correction at the respective each of 5 the more than one of the plurality of grid points. The gear set is lapped by rotating the first gear member in mesh with the second gear member in a manner such that contact between the members is shifted from at least a first grid point to a second grid point whereby lapping contact is maintained at 10 each contacted grid point for a time sufficient for removal of the predetermined amount of stock material at each respective contacted grid point. amount (e.g. 10 microns) of material) followed by a reduced time 3 point sweep lapping cycle.
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