| 摘要 |
PCT No. PCT/SE95/00732 Sec. 371 Date Dec. 17, 1996 Sec. 102(e) Date Dec. 17, 1996 PCT Filed Jun. 15, 1995 PCT Pub. No. WO95/35182 PCT Pub. Date Dec. 28, 1995Apparatus for cleaning the heads of electrical welding robots, the heads including a gas casing and an electrical contact nozzle. The apparatus includes an open vessel which has connected thereto one or more ultrasonic generators which function to generate ultrasonic waves in a liquid contained in the vessel. The vessel has mounted therein a rotary device which is located beneath the upper surface of the liquid. The rotary device operates as a mode stirrer to help loosen rings of weld material that have been deposited at the gas casing outlet. Additionally, wire brushes and cutting tools can be provided on the rotary device and rotationally driven to assist in weld material removal from the casing outlet. |
