| 摘要 |
PROBLEM TO BE SOLVED: To provide a forced-pressurization power supply tip assembly and a forced-pressurization power supply torch capable of preventing the heat generated during the welding from being directly transferred to a power supply tip, suppressing the temperature rise of the tip, performing the consistent power supply by preventing any arcing within the tip by the forced pressurization of a wire, suppressing wear of the tip and enhancing the lifetime of the tip free from any targeting deviation. SOLUTION: In the forced-pressurization power supply tip assembly 50, a tip holder 60 is arranged so as to cover a circumferential surface of a fore end of a power supply tip 54 and separate from the circumferential surface of the fore end. The tip holder 60 is urged to a base end side of a guide body 51 via a slide body 58 and the power supply tip 54 displaces each slit part 57 inwardly. A slit 56 of the power supply tip 54 is cut out halfway from the fore end while the base end of the power supply tip 54 is not split. Thus, the power supply tip assembly can be stably located when mounted on a torch body. COPYRIGHT: (C)2009,JPO&INPIT
|
