B - Operations – Transporting – 21 – K
Patent
B - Operations, Transporting
21
K
B21K 1/30 (2006.01) B21J 5/00 (2006.01) B21J 5/12 (2006.01) B23F 1/02 (2006.01) B23F 17/00 (2006.01) B23P 15/14 (2006.01) F16H 55/06 (2006.01) F16H 55/17 (2006.01)
Patent
CA 2300483
To provide a gear having high strength and high dimension precision. A cut material is heated in an anti-oxidation atmosphere. Then, a form including gear teeth and having a nearly completed shape is formed from the upset material at one time by hot forging. The form undergoes gear grinding, whereby a finished product is obtained. The form has a curved surface previously formed at a corner along a tooth trace of a tooth flank.
Engrenage présentant une forte résistance et une grande précision de dimension. On chauffe un matériau de coupe dans une atmosphère d'anti-oxydation. Ensuite, on produit une forme comprenant des dents d'engrenage et ayant une forme presque terminée à partir du matériau de refoulement en une fois par forgeage à chaud. La forme subit une rectification d'engrenage, ce qui permet d'obtenir un produit fini. La forme présente une surface incurvée préalablement formée au niveau d'un coin le long d'une ligne de flanc de denture.
O-Oka Corporation
Smart & Biggar
LandOfFree
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