| 摘要 |
PURPOSE: An automatic resistance welding machine for a stud pin tube is provided to accurately weld a stud pin in the accurate position of a tube by moving a movable torch to a fixed torch. CONSTITUTION: An automatic resistance welding machine for a stud pin tube is composed of first and second welding torches(11,12), a stud pin holding unit, a stud pin supply unit(30), an angular rotation drive unit(40), and a stopper unit(50). The first and second welding torches are installed in both sides of a tube(13), respectively. The stud pin holding unit holds stud pins(10) inserted into the front ends of the first and second welding torches. The stud pin supply unit supplies the stud pins one by one. The angular rotation drive unit rotates the first and second welding torches toward the stud pin supply unit.
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