发明名称 |
GEARS |
摘要 |
A powder metal gear wheel having a core density of at least 7.3 g/cc, and in one embodiment 7.4 to 7.6 g/cc and a hardened carburized surface. A method of manufacturing transmission gears comprises, sintering a powder metal blank to produce a core density of between 7.4 to 7.6 g/cc, rolling the surface of the gear blank to densify the surface, and then heating the rolled sintered part and carburizing in a vacuum furnace. |
申请公布号 |
CA2255643(A1) |
申请公布日期 |
1997.12.04 |
申请号 |
CA19972255643 |
申请日期 |
1997.05.23 |
申请人 |
JONES, PETER;SHIVANATH, ROHITH;STACKPOLE LIMITED |
发明人 |
JONES, PETER;SHIVANATH, ROHITH |
分类号 |
F16H55/06;B21H5/02;B22F3/11;B22F3/24;B22F5/08;(IPC1-7):B22F5/08 |
主分类号 |
F16H55/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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