发明授权
- 专利标题: Rolled product for chain and method for producing same
- 专利标题(中): 用于链的滚动产品及其生产方法
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申请号: US09837973申请日: 2001-04-19
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公开(公告)号: US06393818B1公开(公告)日: 2002-05-28
- 发明人: Takerou Nakagawa , Sachihiko Maeda , Atsuhiro Tamiya , Takeshi Kimura , Takeshi Kondo
- 申请人: Takerou Nakagawa , Sachihiko Maeda , Atsuhiro Tamiya , Takeshi Kimura , Takeshi Kondo
- 优先权: JP2000-119815 20000420
- 主分类号: B21L902
- IPC分类号: B21L902
摘要:
A rolled product for a chain and a method for producing the rolled product are disclosed. Plural dimples are formed in a zigzag pattern in at least one of inner and outer peripheral surfaces of the rolled product, the dimples absorbing plastic deformation of a rolled workpiece when the rolled product is forced through a circular orifice of a die, and plural recessed portions are defined by the dimples on any imaginary straight line on the dimpled surface in the axial direction of the rolled product. The absorption of plastic flow by the dimples prevents a waving phenomenon from occurring at the end faces of the rolled product. When the rolled product is used as a chain component such as bushing or roller, it is possible to prevent leakage of a lubricant in the axial direction of the rolled product, and hence possible to improve the lubricant retaining performance in a rotating and sliding portion.
公开/授权文献
- US20020026782A1 Rolled product for chain and method for producing same 公开/授权日:2002-03-07
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