发明授权
- 专利标题: Method of making a thin-walled bearing bushing
- 专利标题(中): 制造薄壁轴承衬套的方法
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申请号: US423129申请日: 1982-09-24
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公开(公告)号: US4478066A公开(公告)日: 1984-10-23
- 发明人: Armin Olschewski , Hermann Hetterich , Peter Horling
- 申请人: Armin Olschewski , Hermann Hetterich , Peter Horling
- 申请人地址: DEX Schweinfurt
- 专利权人: SKF Kugellagerfabriken GmbH
- 当前专利权人: SKF Kugellagerfabriken GmbH
- 当前专利权人地址: DEX Schweinfurt
- 优先权: DEX2952092 19791222
- 主分类号: B21D22/26
- IPC分类号: B21D22/26 ; B21D24/00 ; B21D51/16 ; B21D53/10 ; F16C21/00 ; F16C33/14 ; F16C33/58 ; F16C33/64 ; F16D3/38 ; G07F7/10 ; B21D22/00
摘要:
A method for making by a deep drawing process a thin-walled bearing bushing comprising a cylindrical sleeve section and a bottom section closing one end of the sleeve section having an outer peripheral rim at the juncture of the sleeve and bottom sections of small cross sectional radius including the step of forming an annular groove which is deep relative to the normal thickness of the bottom section and has a sharp profile in one face of the bottom section adjacent the juncture of the sleeve and bottom section, the groove being impressed axially to effect radial displacement of the material outward into the area of the peripheral rim.
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