Method for making die jaw inserts for tube cutoff machines

Details Method for making die jaw inserts for tube cutoff machines Method for making die jaw inserts for tube cutoff machines

1975-03-31

1976-05-25

Smith, Al Lawrence

Metal tools and implements, making

Blank or process

Die

219 69M, B21K 520

Patent

active

039584674

ABSTRACT:
A method for manufacturing die jaw inserts for tube cutoff apparatus. The method comprises the steps of fabricating a pair of die jaw blanks; finish processing the blanks; and subsequently forming the clamping aperture by means of electrical discharge machining of the die jaw insert. An apparatus for performing the method is disclosed.

REFERENCES:
patent: 2800566 (1957-07-01), Matulaitis
patent: 3240914 (1966-03-01), Hill et al.
patent: 3498158 (1970-03-01), Kougel
patent: 3727489 (1973-04-01), Inoue

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