Method and apparatus for ecm gear finishing
Abstract
Abstract METHOD AND APPARATUS FOR FINISHING GEARS BY RUNNING THE GEAR IN MESH WITH A GEARLIKE FINISHING TOOL HAVING TEETH PROVIDED WITH ELECTRICALLY CONDUCTING SIDE SURFACE PORTIONS, MAINTAINING THE CONDUCTING SIDE SURFACE PORTIONS OF THE TOOL TEETH SPACED FROM THE ADJACENT TOOTH SURFACES OF THE GEAR, PROVIDING A FLOW OF ELECTROLYTE IN THE SPACES SUBSTANTIALLY ENCLOSED BETWEEN THE MESHING TEETH OF THE GEAR AND TOOL, AND PASSING A FLOW OF DIRECT ELECTRICAL CURRENT BETWEEN THE TEETH OF THE GEAR AND TOOL. THE APPARATUS INCLUDES MEANS FOR LIMITING THE FLOW OF ELECTROLYTE TO THE ZONE OF MESH BETWEEN THE GEAR AND TOOL, TOOLS OF SPECIAL FORM FOR CARRYING OUT THE METHOD, AND A NOVEL METHOD OF PRODUCING THE TOOLS BY ECM.
Inventors
- 👤 David W Daniel
Bibliographic Details
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| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |