发明名称 |
Production method for sintered sprocket for silent chain |
摘要 |
<p>A sintered sprocket for a silent chain is obtained from a material with few addition elements by a simple densifying method. The sintered sprocket is made of an ferrous material having an ovarall composition containing Cu at 1 to 2%, C at 0.5 to 0.8%, Mn as an inevitable impurity at 0.10% or less, and balance of Fe and other inevitable impurities by mass and has a density of 7.1 Mg/m 3 or higher, 65 HRA or higher as a hardness in the gear teeth, and a martensite, sorbite, bainite, or their mixed structure as a cross-sectional microscopic structure in at least the gear teeth and the peripheral area of the gear teeth.</p> |
申请公布号 |
EP1500714(A2) |
申请公布日期 |
2005.01.26 |
申请号 |
EP20040016477 |
申请日期 |
2004.07.13 |
申请人 |
NISSAN MOTOR COMPANY LIMITED;HITACHI POWDERED METALS CO., LTD. |
发明人 |
FUJIKI, AKIRA;MAEKAWA, YUKIHIRO;MABUCHI, YUTAKA;MURATA, TAKASHI;SUZUKI, TAKASHI;YAMADA, JYUN-ICHI;TSUTSUI, TADAYUKI;ISHII, KEI |
分类号 |
B22F3/24;B22F5/08;C22C33/02;C22C38/00;C22C38/16;F16H55/06;F16H55/30;(IPC1-7):C22C33/02;F16G13/04 |
主分类号 |
B22F3/24 |
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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