Article 630 of the NEC distinguishes between arc welders and resistance welders, with separate requirements for each (in Part II and Part III, respectively). A resistance welder flows current through ...

(MENAFNEditorial) Professional Technical Journey: Shreekant Patil is a Chartered Engineer (CEng), Welding Consultant, Fellow Member of the Institution of Engineers India (IEI) and Indian Institute of ...

Amada Weld Tech has introduced a redesigned wire-compacting unit for its line of modular resistance welders. Ideally suited for stranded wires, the plug-and-play, ready-to-install modular compacting ...

Spot welding looks simple and easy until your products fall apart while being delivered to the job site. When that happened to one contractor several years ago, spot welding suddenly took on a whole ...

Each resistance welder shall have an overcurrent device rated or set at not more than _____% of the rated primary current of the welder. Article 630 covers apparatus for electric arc welding, ...

Delphi Energy & Chassis Systems Corp., Kettering, Ohio, originally used gas metal-arc welding (GMAW) to attach UNS 1018 pinch bolts to ASTM A512 tubes. They are used in monotube shocks that provide ...

IN a recently published paper on this subject (J. Inst. Elec. Eng., 92, Part 2, No. 30 ; Dec. 1945) the author, R. B. Giles, is primarily concerned with the effect of the A.C. resistance welder upon ...