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以下介绍几种自动焊辅助机具。图1(a)是焊接小车在双导轨上行走焊接直缝的方法。双导轨的优点是稳定,缺点是笨重。图1(b)是焊接小车在单轨上行走焊接直缝的方法,单导轨的优点是轻巧,缺点是刚度差容易变形。图1(c)是不加导轨焊接角焊缝的方法。将工件倾斜放置,在焊接小车伸出的两个支臂上装有靠轮。焊接小车因倾斜的自重力紧紧地接触在垂直板面上。这种方法的缺点是,当焊接小车行走车轮碰上障碍物时,焊嘴要幌动,偏离焊接位置。
The following describes several automatic welding aids. Figure 1 (a) is a welding car on the double rail straight seam welding method. The advantage of a double rail is stable, the disadvantage is bulky. Figure 1 (b) is a welding trolley on the monorail welding straight seam method, the advantage of a single rail is lightweight, the disadvantage is that the stiffness difference is easy to deform. Figure 1 (c) is without a guide welded fillet weld method. The workpiece is tilted and placed on the two arms out of the welding car with a wheel. The welding trolley comes into contact with the vertical plate due to the inclined self-weight. The disadvantage of this method is that when the welding carriage hits the obstacle on the wheels, the welding tip should be flushed away from the welding position.