RESISTANCE SPOT WELDING CONTROL THAT AUTOMATICALLY SELECTS THE WELDING SCHEDULE FOR DIFFERENT TYPES OF STEEL

A new principle has been employed in an adaptive control for spot welding of unknown types of steel. The dynamics of the process is monitored, not materials properties or energy input etc. The rate of rise of the temperature, as reflected in the rate of the resistance, provides all the necessary information. The control algorithm and a series of evaluative tests are described. Any conventional welding machine equipped with the new control will make sound welds the very first time, in HS or LC steel of two or multiple thicknesses, with electrode diameters as different as 2:1, and in the presence of shunting. A "teaching mode" is not required.

• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/issn/01487191
• Supplemental Notes:
  • Presented at the SAE International Congress and Exposition Detroit, Michigan, February 25-March 1, 1985.
• Corporate Authors:

  Society of Automotive Engineers (SAE)

  400 Commonwealth Drive
  Warrendale, PA  United States  15096
• Authors:
  • Schumacher, B W
  • Cooper, J C
  • Dilay, W
• Publication Date: 1984

Media Info

• Features: Figures; References; Tables;
• Pagination: 24 p.
• Serial:
  • SAE Technical Paper
  • Publisher: Society of Automotive Engineers (SAE)
  • ISSN: 0148-7191
  • EISSN: 2688-3627
  • Serial URL: http://papers.sae.org/

Subject/Index Terms

• TRT Terms: Algorithms; Control systems; Spot welding; Steel
• Subject Areas: Safety and Human Factors;

Filing Info

• Accession Number: 00399069
• Record Type: Publication
• Source Agency: National Highway Traffic Safety Administration
• Report/Paper Numbers: SAE 850407, HS-038 590
• Files: HSL, USDOT
• Created Date: Aug 31 1985 12:00AM