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1·The concept of weld bead heat affected zone(WBHAZ) was proposed.

提出了“焊道热影响区”的概念。

2·The foundation of the future research of weld pool image processing and weld bead control was established.

为进一步进行熔池图像处理和焊缝成型控制的研究奠定了基础。

3·The regularity of the weld bead displacement is deduced by analysing the stress of the square cup stamping.

通过对盒形件拉深过程的应力分析，得到了焊缝移动规律。

4·Using the heat of welding to vapour water, cooling rates are lowered on the weld bead and heat -affected zone.

利用焊接时的加热使水汽化，不仅使焊道而且使热影响区的冷却速度减慢。

5·The experiments show that adaptive system is excellent in controlling weld bead for aluminium alloy TIG welding.

试验结果表明，自适应控制方法可以实现对铝合金TIG焊缝成形的良好控制。

6·But the microhardness of the weld bead after heat treatment reduces by 60 HV, compared with origin welded joint.

与原始接头显微硬度值相比，经历高温热处理后接头的显微硬度降低约60 HV左右。

7·In GMAW welding process, when the welding speed reaches a certain threshold, there will be onset of weld bead undercut defects.

在GMAW焊接过程中，当焊接速度达到某一临界值时会出现咬边缺陷，进一步提高焊接速度就会产生驼峰焊道。

8·The microhardness of the weld bead reduces from the center of joint to base metal before and after heat treatment, and the microhardness of HAZ is minimum.

热处理前后焊缝截面显微硬度均自焊缝中心向热影响区逐渐降低，热影响区显微硬度低于母材。

9·The experimental results show that the fatigue life of steel welded joints can be improved by grinding the weld bead, especially for the higher strength steel.

试验结果表明焊件的疲劳寿命可以通过打磨焊缝得到改善，尤其对于高强度钢焊件。

10·As an example pinpoint control, Five Star once received a micro-weld sample from a competitor that had a weld bead on top of the head of an ordinary shirt pin.

为例点穴控制五星一旦接到微观样本焊缝焊了一个竞争对手，就头顶一位普通衬衫密码。