| 摘要 |
<p>The appts. comprises an electrode wire guide pipe, and a flux outlet nozzle with a nozzle holder. Both the nozzle and holder are insulated from the wire guide pipe and screwed together. The rear end of the nozzle holder is threaded and retained by a counter cage nut belonging to an outer tube feeding gaseous flux to the nozzle. The nozzle holder also ahs one or more grooves parallel to the nozzle axis. One or more splines are arranged in the grooves to ensure the rotational locking at the nozzle holder.</p> |
