Presses – Automatic or material triggered control – Of material addition – deposition – or discharging
Patent
1982-03-02
1983-11-15
Wilhite, Billy J.
Presses
Automatic or material triggered control
Of material addition, deposition, or discharging
72405, 72419, 100 48, 100207, B30B 1530
Patent
active
044148879
ABSTRACT:
A control device for a press secondary machining line includes a main control unit for controlling auxiliary control units which are provided respectively in operation blocks which are obtained by dividing the line in such a manner that each block includes one press, each auxiliary control unit controlling a press and a workpiece supplying and/or removing unit in its own block. Each auxiliary control unit includes a shift register for setting input data in response to a shift signal from the main control unit, a circuit for receiving a workpiece conveyance signal from the main control unit when the output of the shift register is raised to "1", a circuit for receiving a press operation signal from the main control unit when the shift register provides the output "1", and a shift register clear circuit for clearing the output "1" of the shift register, so that the presses are started successively at the start of the line operation and stopped successively at the end of the line operation, and when a defective workpiece is removed from a press during the line operation, the following presses are stopped one after another.
REFERENCES:
patent: 3948162 (1976-04-01), Numba
Kabushiki Kaisha Orii Jidoki Seisakusho
Wilhite Billy J.
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