Method for manufacturing a vehicle cross-beam rear axle

Details Method for manufacturing a vehicle cross-beam rear axle Method for manufacturing a vehicle cross-beam rear axle

1987-11-30

1988-12-13

Weston, Caleb

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

156242, 15624422, 156245, 156294, 264 465, 2643283, 2643288, 248 742, 248 743, 280688, 280689, B32B 3106, B60G 1118

Patent

active

047909749

ABSTRACT:
A method of manufacturing is disclosed for the installation of a one piece damper member for retaining the midpoint of a torsion tube on the torsional axis of a channel-shaped cross beam vehicle rear axle. The damper member is formed during the axle assembly line advancement by injecting a first mass of hardenable urethane paste material into a side gap portion and arcuate shaped central gap portion of a D-shaped recess defined intermediate the channel interior and the tube. A second mass of the urethane paste material is injected into the remaining side gap portion and channel upper open end space. As an adjunct to the axle being advanced through assembly line washing, wax coating and heat treating operations the first and second masses coalesce and attain an accelerated final curing of the tube retaining damper member.

REFERENCES:
patent: 3966009 (1976-06-01), Meacock et al.
patent: 4623164 (1986-11-01), Cassel et al.
patent: 4637628 (1987-01-01), Perkins
patent: 4750757 (1988-06-01), Long

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