Method and apparatus for manufacture of a forged rack

Details Method and apparatus for manufacture of a forged rack Method and apparatus for manufacture of a forged rack

2007-01-30

2007-01-30

Banks, Derris H. (Department: 3725)

Metal deforming

By use of closed-die and coacting work-forcer

Forcing work into or within closed die; e.g., forging

C072S361000, C072S420000, C027S021100

Reexamination Certificate

active

10472464

ABSTRACT:
A method of manufacturing a steering rack bar (6) by forging, the method comprising the steps of pacing a heated cylindrical rack bar (6) in a first forging die (15) and forging a first toothed protion (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.

REFERENCES:
patent: 4116085 (1978-09-01), Bishop
patent: 4491451 (1985-01-01), Willim
patent: 4571982 (1986-02-01), Bishop et al.
patent: 4715210 (1987-12-01), Bishop et al.
patent: 4785901 (1988-11-01), Maeda
patent: 5862701 (1999-01-01), Bishop et al.
patent: 6782772 (2004-08-01), Tsubouchi et al.
patent: 2000-247244 (2000-09-01), None
patent: 2000-247244 (2000-09-01), None
patent: 2002-154442 (2002-05-01), None
patent: 2002-154442 (2002-05-01), None

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