Gear cutting – milling – or planing – Milling – Process
Reexamination Certificate
2006-04-04
2006-04-04
Ashley, Boyer D. (Department: 3722)
Gear cutting, milling, or planing
Milling
Process
C409S131000, C407S053000, C407S054000
Reexamination Certificate
active
07021873
ABSTRACT:
A technique having superior efficiency for manufacturing a bevel gear forging die is presented. In the present invention, raw material is machined by means of a radius end mill, manufacturing a bevel gear forging die10. In recent years, it has become possible to use radius end mills to form complex shapes from raw materials having a high degree of hardness, owing to the fact that NC construction devices and their controlling programs control the deployment of radius end mills, and due to the improved accuracy of the radius end mill itself. By improving the process path of the radius end mill, the inventors have succeeded in creating a process whereby a radius end mill can be used to cut a bevel gear forging die10having a side face, a base face, and a diagonal face.
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Japanese Office Action dated Aug. 2, 2005.
Chihara Seiji
Udou Syoichiro
Ashley Boyer D.
Finnegan Henderson Farabow Garrett & Dunner L.L.P.
Ross Dana
Toyota Jidosha & Kabushiki Kaisha
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