发明名称 |
METHOD AND APPARATUS FOR MANUFACTURE OF A FORGED RACK |
摘要 |
A method of manufacturing a steering rack bar (6) by forging, the method comprising the steps of placing a heated cylindrical rack bar (6) in a first forging die (15) and forging a first toothed portion (37) at one end thereof; removing the rack bar; heating the rack bar at or near the other end of said rack; and placing the other end of the rack bar in a second forging die and forging a second toothed portion (39) wherein, prior to forging the second toothed portion, the rack bar is axially and angularly aligned to a predetermined axial location and angularly orientated utilising the first toothed portion or features at or near the one end of the rack bar as a datum, and placed and held in the predetermined axial location and angular orientation prior to forging of the second toothed portion. |
申请公布号 |
WO02076653(A1) |
申请公布日期 |
2002.10.03 |
申请号 |
WO2002AU00331 |
申请日期 |
2002.03.21 |
申请人 |
BISHOP INNOVATION LIMITED;MCLEAN, LYLE, JOHN |
发明人 |
MCLEAN, LYLE, JOHN |
分类号 |
B21J5/12;B21J13/10;B21K1/76;B62D3/12 |
主分类号 |
B21J5/12 |
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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