EVALUATION APPARATUS FOR SPOT WELDING STRENGTH

摘要

PURPOSE: An evaluation apparatus of spot welding intensity is provided to improve precision of measurement by measuring the surface resistivity on a non-welding region and the surface resistivity on a welding region, and to improve portability of the evaluation apparatus by integrating a main switch and an electronic circuit. CONSTITUTION: An evaluation apparatus of spot welding intensity comprises a current supplying electrode, a spot welding part power measuring electrode, and a measurement probe part(10). The spot welding part power measuring electrode measures terminal voltage V1 by being contacted on the spot welding part. The measurement probe part measures reference terminal voltage V2 of an object to be measured on a non-welding region.