Stretch bend forming apparatus, method and product formed thereb

Details Stretch bend forming apparatus, method and product formed thereb Stretch bend forming apparatus, method and product formed thereb

1996-10-02

1999-01-19

Nguyen, Nam

Metal deforming

By use of non-deforming work-gripping clamp and relatively...

By individually non-deforming clamps

72302, B21D 1102

Patent

active

058603140

ABSTRACT:
A method and apparatus for stretch bend forming of sheet stock and the product formed by either the apparatus or method. The method for stretch bend forming of sheet stock includes steps of (i) clamping a first portion of the sheet stock in a first clamp, (ii) clamping a second portion of the sheet stock in a second clamp, wherein the first and second clamps are in a first position, (iii) moving a mandrel a first distance in a first direction to bring the mandrel into contact with a third portion of the sheet stock, the third portion of the sheet stock disposed between the first and second portions of the sheet stock and (iv) moving the mandrel a second distance in the first direction to bend the third portion of the sheet stock.

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