Pre-loaded ram-tool holder energy absorbing mechanism

Details Pre-loaded ram-tool holder energy absorbing mechanism Pre-loaded ram-tool holder energy absorbing mechanism

1976-01-09

1977-05-31

Wilhite, Billy J.

Presses

Reciprocating press construction

72431, 74581, 100208, 100282, 100292, B30B 126

Patent

active

040262073

ABSTRACT:
A pre-loading and energy absorbing mechanism in a press having a ram and a primary overload release comprising a preloaded spring assembly interposed between connecting rod pin and the ram and the connecting means to the tooling to take up excessive loads which develop due to thermal expansion or improper positioning of the tooling or kiss-block or an article to be formed or because of malfunction in the tooling, and a secondary higher overload release comprising a pre-loaded spring assembly interposed between the ram supporting head or the base of a press and the connecting structure therebetween, the head/base being movable away from and back to a fixed position in a connecting structure.

REFERENCES:
patent: 2485009 (1949-10-01), Muller
patent: 2522450 (1950-09-01), Johansen
patent: 2616543 (1952-11-01), Danly
patent: 2937734 (1960-05-01), Sommer
patent: 3030878 (1962-04-01), Holzer
patent: 3160089 (1964-12-01), Platou
patent: 3400625 (1968-09-01), Wrona

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