One of most sophisticated three-axis, numerically controlled, tape-operated machines built for International Harvester by Beatty Machine and Mfg Co, incorporates both mechanical and hydraulic means of piercing side rails, and is capable of piercing four complete sets of left and right frame rails or reinforcements hourly; heavy-duty truck frame rails can be pierced with hole location accuracy to within 0.005 in. with respect to related patterns of holes within about 3 ft increments and within 0.025 in. over entire length of rails; heart of new system is guillotine-type punch press with 200-ton ram capacity for piercing web of rails; horizontal hydraulically-operated punches with 50-ton capacity are used to pierce flanges of rails.


    Access

    Access via TIB

    Check availability in my library


    Export, share and cite



    Title :

    Piercing truck frames by tape


    Additional title:

    Iron Age


    Published in:

    Iron Age ; 199 , n 5


    Publication date :

    1967


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English


    Keywords :


    Hydraulic multiple piercing of automobile frames

    Engineering Index Backfile | 1941


    Three-piece light-truck frames

    Online Contents | 1994


    Stresses in motor truck frames

    Thum, A. / Erker, A. | Engineering Index Backfile | 1941



    PIERCING METHOD AND PIERCING JIG

    ADACHI KEI | European Patent Office | 2019

    Free access