Hub member and shaft journal assembly and method

Details Hub member and shaft journal assembly and method Hub member and shaft journal assembly and method

2005-04-12

2005-04-12

Thompson, Kenn (Department: 3672)

Metal deforming

By use of closed-die and coacting work-forcer

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

C072S355400, C072S399000

Reexamination Certificate

active

06877350

ABSTRACT:
A production method involving forming an inner joint part of a constant velocity universal ball joint in the form of a hub member (11) which comprises a central through-aperture (14) with inner toothing (16) for receiving a shaft journal (12), and ball tracks (15) for receiving torque transmitting balls on the outer circumference, wherein a blank with largely finish-formed ball tracks is produced by non-chip-forming deformation; wherein, at the blank, outer surfaces and a smooth through-aperture (14) are finish-turned; and wherein, during simultaneous working stages, the ball tracks (15) are calibrated by non-chip-forming deformation and the inner toothing (16) in the through-aperture (14) is produced by pressing in a non-chip-forming way.

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Jütte, Friedhelm; Flieβpressen von Verzahnungen mit hoher Genauigkeit ist eine Alternative zum Spanen; pp. 20-22; 1999.
Rolf, Bernhard; Drückwalzverfahren rationalisiert Fertigung von verzahnten Werkstücken; pp. 20-23.
Krapfenbauer, H.; Neue Kaltwalzverfahren zur Herstellung verzahnter Hohlteile; pp. 21-23; 1994.

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