Device for multistage forming of screws

Details Device for multistage forming of screws Device for multistage forming of screws

B - Operations, Transporting

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B23G 9/00 (2006.01) B21K 1/46 (2006.01) B21K 1/50 (2006.01) B26F 1/04 (2006.01)

Patent

CA 1053413

ABSTRACT OF THE DISCLOSURE The invention relates to a device for the multistage forming of screws which have a head of which at least one di- mension does not exceed, in the direction normal to the axis of the screw shank, the diameter of the shank. The device includes, a slide carrying punch and a turret head carrying dies. The slide carries a planishing press tool for the screw head, the tool being mounted adjustably and resiliently in the direction of pressing. In the turret head carrying dies is arranged a knock-out pin mounted positively slidably in two phases towards the slide. The planishing press tool of the screw head com- prises a supporting body adjustable by a wedge relative to the slide and carrying a punch mounted in a guiding plate adjust- able normally to the direction of pressing. The supporting body including a movable system resiliently supporting the punch.

241005

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