Importance

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Abstract

The forging device is equipped with two upsetting-tool holders which are shaped as angular elements 7. They are installed between a head 1 and a base 11, are mounted slidably in a direction transverse to the head movement and are connected with the head by articulated connectors 6. The arms 7b of the angular elements 7 which are situated parallel to the head movement are equipped with upsetting tools 13. Between the upsetting tools 13 a gripper of the forged material is installed, which is composed of two jaws 2a, 2b. The arms 7a of the angular elements 7, which are transverse to the head movement, are mounted slidably with regard to the jaw 2a of the gripper in the direction transverse to the head movement. These arms 7a are pressed against the jaw 2a in the direction of the head movement and cause the clamping of the material between the jaws 2a, 2b. After the material has been clamped, the jaws 2a, 2b remain immobile during the whole metal forming process. The device permits to upset a rod or a tube simultaneously at two places or to manufacture branched forgings, like crosses, T-shapes, Y-shapes and the like.

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First Claim