FIELD: metallurgy.
SUBSTANCE: in the fixed and mobile frames, clamps are mounted with fixed and mobile welding electrodes. The drive of the mobile frame movement is formed as a cylinder with a proportional distribution valve, precipitation valve and the sensor of it position. Removable hydraulic stops are mounted on the movable and fixed frames at both sides of the clamp. The hydraulic cylinder of each stop provides pressing of the ends of short workpieces to retain them in clamps during melting and precipitation. Each pair of welding electrodes is provided with a flat hard-alloy plates through which welded product is supplied by hydraulic stops for deburring.
EFFECT: machine provides reliable clamping of short workpieces in clamps without increased efforts and combination of welding and deburring after resistance butt welding.
3 dwg
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