Stamping and forming machine having improved pilot pins

Details Stamping and forming machine having improved pilot pins Stamping and forming machine having improved pilot pins

1988-04-21

1989-04-18

Larson, Lowell A.

Metal deforming

With means to handle work or product

Including means to permit maneuvering of work or product at...

72335, 72361, 226 57, B21D 2804

Patent

active

048215562

ABSTRACT:
Stamping and forming machine has first and second tooling assemblies which are movable relatively towards and away from each other. Pilot pins are mounted on, and moved with, the first tooling assembly. The pilot pins enter pilot holes in the strip material and are movable on the first tooling assembly between extended positions and retracted positions. When the tooling assemblies are in their open, or separated, positions, the pilot pins are in their retracted positions and clearance is provided to permit feeding of the strip between the two tooling assemblies. As the tooling assemblies move to their closed positions, the pilot pins move to their extended positions and perform their piloting function. The pilot pins are actuated by an actuator which is separate from the actuator which moves the tooling assemblies.

REFERENCES:
patent: 2818923 (1958-01-01), Di Pascuale et al.
patent: 3338084 (1967-08-01), Stegman, Sr.
patent: 3587502 (1971-06-01), Murray
patent: 3707932 (1973-01-01), Murray
patent: 3900257 (1975-08-01), Woolley, Jr. et al.
patent: 4489871 (1984-12-01), Bakermans et al.
patent: 4497196 (1985-02-01), Bakermans et al.

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