Abstract

In this report, the object of this investigation is to study the net electrode force application during procedure in the usual spot welder. We measured the force by means of the wire strain gage when slope control wave shapes and mechanical springs had been used. In this experiment, we used a rocker arm type single phase A.C. spot welder. Results obtained are as follows :(1) Electrode force variation is largely analogous to welding current wave form when both slope control wave shapes and springs are used therefor.(2) As above results, responsibility of the electrode is very good and, thus, it will be expected make high quality welds.

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