| 摘要 |
<p>Self control nozzle for welding of trough consists of a welding nozzle with milled groove at the top. On the welding nozzle is mounted braking ring, firmly secured by a screw. On the welding nozzle is fixed socket of a guide shoe into which is inserted from the top of the guidance point, the sleeve guidance and guidance tip is secured to each by a locking pin. The socked of the guide shoe with guidance tip is tightened by turning a set screw for precise adjustment of the weld.</p> |
