| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a guide bushing for a contact tip for arc welding with which a stable welding is attained for a long period and to provide a contact tip for arc welding using the guide bushing. <P>SOLUTION: A guide bushing 3 is manufactured for a contact tip 1 for arc welding which is provided with a contact tip body 2 and the guide bushing 3 mounted on the end of the contact tip body 2. The guide bushing 3 is manufactured of a hard member 9 of which the electric resistance is 500 Ω or smaller. <P>COPYRIGHT: (C)2004,JPO |
