Advantages of Spot Welding -
(i) Low cost,
(ii) High speed of welding,
(iii) Dependability,
(iv) Less skilled worker will do,
(v) More general elimination of warping or distortion of parts,
(vi) High uniformity of products,
(vii) Operation may be made automatic or semiautomatic, and
(viii) No edge preparation is needed.
