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(dòng)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(shí)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(lái)的缺點(diǎn)、弊病和不足。