Scrap handling in a blanking die

Details Scrap handling in a blanking die Scrap handling in a blanking die

1994-02-22

1995-05-23

Seidel, Richard K.

Cutting

With product handling means

Means to move, guide, or permit free fall or flight of product

83166, 83690, B26F 114

Patent

active

054171334

ABSTRACT:
A stamping and forming machine positively prevents slug pulling by stripping the slug off of the end of the punch as the punch is being withdrawn from the die opening after a blanking operation. This is accomplished by providing a die insert support in supporting contact with the die insert having an opening that is identical to the opening in the die insert, but that is rotationally or laterally displaced therefrom by a small amount. As the punch pushes a slug through the opening in the die insert, the slug encounters the displaced opening in the die insert support and is shifted slightly as it is forced into that opening by the punch. As the punch is withdrawn from the die insert opening, the shifted slug cannot return through the opening and is stripped off of the end of the punch.

REFERENCES:
patent: 1631323 (1927-06-01), Loesel
patent: 3358538 (1967-12-01), Maceyka
patent: 4819476 (1989-04-01), Bakermans et al.
patent: 4974479 (1990-12-01), Bakermans et al.
patent: 5136907 (1992-08-01), Bakermans et al.

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