Tube cutoff die set

Details Tube cutoff die set Tube cutoff die set

1985-12-06

1987-03-31

Meister, James M.

Cutting

Cutting motion of tool has component in direction of moving...

Tool carrier shuttles rectilinearly parallel to direction of...

83320, 83519, B23D 2100, B23D 2504

Patent

active

046533680

ABSTRACT:
A method and apparatus for severing successive lengths of tubing in a die set in which the movement of an upper die shoe is translated by mechanism to clamp the tubing on a lower die shoe, move a notching blade across the clamped tubing to slot the tubing, and pass a cutoff blade through the slot to sever the tubing. Use of a lever arm pivoted to one of the die shoes in combination with a cam on the other die shoe optimizes horizontal movement of the notching blade relative to vertical movement of the die shoes. In a preferred form, the cutoff blade is passed through a slot in the notching blade holder. The die set can be used in apparatus where the tubing is intermittently supplied, or, as in a tubing mill, a continuous length of tubing is moved during the severing process.

REFERENCES:
patent: 3129624 (1964-04-01), Auer
patent: 3938415 (1976-02-01), Borzym
patent: 4108029 (1978-08-01), Borzym
patent: 4109555 (1978-08-01), Borzym
patent: 4563927 (1986-01-01), Kinsley

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