发明授权
- 专利标题: Rocker arm and method of casting
- 专利标题(中): 摇臂和铸造方法
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申请号: US821908申请日: 1992-01-15
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公开(公告)号: US5195473A公开(公告)日: 1993-03-23
- 发明人: Makoto Kano , Ichiro Tanimoto , Osamu Kawamura , Teruo Takahashi
- 申请人: Makoto Kano , Ichiro Tanimoto , Osamu Kawamura , Teruo Takahashi
- 申请人地址: JPX Yokohama JPX Tokyo
- 专利权人: Nissan Motor Company, Ltd.,Nippon Piston Ring Co., Ltd.
- 当前专利权人: Nissan Motor Company, Ltd.,Nippon Piston Ring Co., Ltd.
- 当前专利权人地址: JPX Yokohama JPX Tokyo
- 优先权: JPX1-231732 19890908
- 主分类号: C22C33/08
- IPC分类号: C22C33/08
摘要:
In a process of casting a rocker arm as one piece from high chrome cast iron, a Ca-Si base addition agent is added to the molten metal in an amount of 0.3 to 0.6% by weight. The agent is effective as a globulizer to round high-hardness carbide precipitates directing toward the casting surface.
公开/授权文献
- US5884568A Enclosed utility table 公开/授权日:1999-03-23
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