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 ...

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, ...

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 ...

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 ...

This file type includes high resolution graphics and schematics when applicable. Welding is often used to permanently fasten two pieces of metal together, often by robotic welders. Screws and nuts are ...

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 ...

A new servo-driven micro-resistance welding head eliminates compressed air use, improving precision, speed, and repeatability ...

InduSuite, an ESAB brand, has launched OCTOPUZ Steps, a new weld sequencing software application designed to guide manual ...

Ultrasonic welding systems help manufacturers achieve higher efficiency while meeting demanding industry specifications for ...