Press die set

Details Press die set Press die set

1993-04-13

1994-07-19

Jones, David

Metal deforming

With tool carrier

With guide for rectilinearly moving tool

384 30, 384 47, B21D 3710

Patent

active

053298012

ABSTRACT:
A sliding bearing assembly for a press die set includes a guide post having at least two external grooves disposed parallel to the post axis, each of which has two flat surfaces oriented at 90 degrees to one another. A guide bushing is slidably mounted on the post by guide blocks and a retainer assembly. The guide bushing includes a number of guide blocks equal to the number of grooves in the guide post, and each has a groove opposed to a corresponding groove in the post. The retainer assembly, which is positioned within the guide bushing, includes at least two cross roller bearings, one for each groove on the guide post, mounted on a generally circular frame. The roller bearings are mounted on the frame with the axes of the rollers at such an angle relative to the plane of the frame that the rollers run along the aligned opposed grooves in the guide post and guide blocks.

REFERENCES:
patent: 2830409 (1958-04-01), Northcutt
patent: 3029110 (1962-04-01), Hughes
patent: 4699522 (1987-10-01), Engel et al.
patent: 4746228 (1988-05-01), Shimo

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