Tie-rods fabricated of composite materials for forging presses

Details Tie-rods fabricated of composite materials for forging presses Tie-rods fabricated of composite materials for forging presses

1986-01-21

1987-09-22

Spruill, Robert L.

Metal deforming

With tool carrier

100214, 74581, B21J 1304, B21D 3712

Patent

active

046946780

ABSTRACT:
Each tie-rod bar or beam from which tie-rod assemblies for large forging presses are assembled is constructed of a middle section made of a lower yield strength alloy steel to which end sections made of steel alloy having comparatively higher yield strengths are welded. A link pin hole is formed in each end section for receiving a link bolt intended for securing a plurality of the tie-rod bars to one another and/or to the frame of the forging press. The end section may be slightly wider to more easily withstand the larger stresses developed there during operations of the press. In one preferred adaptation, the material of the middle section is designed for a minimum of 45,000 psi and the end section for a minimum of 80,000 psi.

REFERENCES:
patent: 158571 (1875-01-01), Chandler
patent: 1770624 (1930-07-01), Noble
patent: 2903909 (1959-09-01), Engel
patent: 3262335 (1966-07-01), Heinlein et al.
patent: 3512356 (1970-05-01), Krekeler
patent: 4569248 (1986-02-01), Hug

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