back gouging

基本解释

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.
本發明用於大型圓筒形銲接結搆的直銲縫和環行銲縫自動氣刨清根。
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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.
研究發明的“背襯砂墊銲接工藝”能夠非常容易地實現銲透的目的，可以完全取代落後的碳弧氣刨清根工藝，尅服了目前常用的碳弧氣刨清根所帶來的缺點、弊病和不足。