Bushing insert and guide post sleeve for die set

Details Bushing insert and guide post sleeve for die set Bushing insert and guide post sleeve for die set

1978-02-01

1980-04-08

Butler, Douglas C.

Cutlery

308 6R, F16C 1900

Patent

active

041969448

ABSTRACT:
A die set which includes upper and lower die shoes including guide posts fixed to the upper die shoe and bushings fixed to the lower die shoe. A sleeve is mounted on the guide posts by removable fasteners. A sleeve bearing including ball bearings and a bearing retainer cage are mounted on the guide post sleeves. Inserts are provided in the bushings and are secured by removable fasteners for readily removing the inserts. The ball bearings run inside the inserts during die operation. When replacement is needed due to wear, the guide post sleeves are removed and replaced, and the inserts are removed and replaced, without disturbing the guide posts themselves or the bushings. Oilers and seals and hardened set screws are used to contribute to prolonged life.

REFERENCES:
patent: 2774430 (1956-12-01), Blazek
patent: 3434760 (1969-03-01), Wendler
patent: 4003283 (1977-01-01), Janiszewski

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