back gouging

基本解釋

The invention is used for automatic air gouging back gouging of the straight welding line and the girth welding line of the large cylindrical welding structure.
本發(fā)明用于大型圓筒形焊接結(jié)構(gòu)的直焊縫和環(huán)行焊縫自動氣刨清根。
ip.com
A welding backing with sand mould has been invented to realize welding penetration, which fully takes the place of gouging back chipping which has all kinds of shortcomings and disadvantages.
研究發(fā)明的“背襯砂墊焊接工藝”能夠非常容易地實現(xiàn)焊透的目的，可以完全取代落后的碳弧氣刨清根工藝，克服了目前常用的碳弧氣刨清根所帶來的缺點、弊病和不足。