Operation and control of press brake used at El Segundo plant of Douglas Aircraft Co; photoelectric circuits control individual feed table drive motors; so long as tape interrupts light beam, each feed table motor operates; 1/2 in. notch in steel tape brakes motor with work properly positioned to receive stroke of ram.


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    Title :

    Photocells control versatile press brake


    Additional title:

    Automation


    Contributors:

    Published in:

    Automation ; 3 , n 8


    Publication date :

    1956


    Size :

    3 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English





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