Fastener press with workpiece protection system

Details Fastener press with workpiece protection system Fastener press with workpiece protection system

1990-11-13

1992-02-11

Rosenbaum, Mark

Elongated-member-driving apparatus

With interlock means

72 8, 72 26, 100 53, 192134, B21J 1528

Patent

active

050869655

ABSTRACT:
A programmable fastener press includes workpiece protection by utilizing punch position and punch contact sensors. The sensors signal a controller which classify portions of the punch's linear travel into multiple zones of operation. One zone is a stop window wherein any unwanted contact with the punch during its descent will cause the press to be halted and to remain stationary without being returned to home position. The press operator may, after correcting the fault condition, elect to instruct the press to proceed from the stoppage point downward continuing the normal operation of the press.

REFERENCES:
patent: 4208895 (1980-06-01), Grigorenko et al.
patent: 4391358 (1983-07-01), Haeger
patent: 4489578 (1984-12-01), Nagai et al.
patent: 4593547 (1986-06-01), Heiberger
patent: 4676421 (1987-06-01), Swanstrom
patent: 4936126 (1990-06-01), Sato

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