本文针对高质量板材对接填丝激光焊的需要，设计了对缝间隙宽度检测的传感器与送丝控制系统。
To guarantee good quality of butt laser welding with filler wire, a gap width detecting sensor and a wire feeding system has been designed.
事故的发生，如粘接、卡带或辊缝间隙设计不当不一定都会引发轧辊的损坏，事故之后对轧辊正确处理非常重要。
Not all rolling incidents such as stickers or stalls and wrong setting of the roll gap must necessarily lead to severe damage.
研究了焊轮压力和焊接电流对无间隙原子钢(if钢)压平缝焊接头抗拉强度的影响。
The effects of welding force and welding electric current on the tensile strength of mash seam welded joints in the interstitial-free (IF) steel have been studied.
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