我单位常有将两个冲压件点焊成一体的工件因数量不多,为此而做一套工装夹具,不仅经济上不合算,而且也拖延了生产时间。为此,我们在生产中采用锡焊定位法,即在两个工件A部位用锡焊固定,使其达到图纸要求尺寸,再进行点焊。点焊后再将锡除去。开始,我们采用机械 My unit often will be two stamping pieces of the spot welding as one of the workpiece due to the small amount of work done for this fixture, not only economically uneconomical, but also delayed the production time. To this end, we use soldering positioning method in production, that is, the two parts of the workpiece A with solder fixed to the size of the drawings required, and then spot welding. Spot welding and then remove the tin. At the beginning, we used machinery