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当用埋弧自动焊焊接某些筒体环缝时,由于重量不平衡或热变形,经常发生筒体轴向移动(且多向较重的一侧移动),引起焊缝偏离焊道。所以,只好边调整边焊接,很难保证焊缝质量。经过摸索,我们采用如图所示的滑轮装置进行限位,基本上解决了上述问题。如图示,首先将滑轮水平装在轴上,然后焊在固定支架上,使用时将滑轮紧顶筒体下沿(滑轮的厚度应根据筒体厚度的不同来选择),当工件转动时,滑
When submerged arc welding is used to weld the girth of some cylinders, the axial movement of the cylinder (and the movement towards the heavier side) often occurs due to imbalanced weight or thermal deformation, causing the weld to deviate from the weld bead. Therefore, it is difficult to adjust the side of the welding, it is difficult to ensure the quality of the weld. After exploration, we use the pulley device as shown in the limit, basically solved the above problems. As shown in the figure, firstly, the pulley is horizontally mounted on the shaft and then welded on the fixing bracket, and the lower edge of the pulley is tightly pressed when using the pulley (the thickness of the pulley should be selected according to the thickness of the barrel); when the workpiece rotates, slip