0
TECHNICAL PAPERS

Precision Sensing of Arc Length in GTAW Based on Arc Light Spectrum

[+] Author and Article Information
P. J. Li, Y. M. Zhang

Welding Research and Development Laboratory, Center for Robotics and Manufacturing Systems and Department of Electrical Engineering, University of Kentucky, Lexington, KY 40506-0108

J. Manuf. Sci. Eng 123(1), 62-65 (Feb 01, 2000) (4 pages) doi:10.1115/1.1349719 History: Received February 01, 1999; Revised February 01, 2000
Copyright © 2001 by ASME
Your Session has timed out. Please sign back in to continue.

References

Nomura, H., 1994, Sensors and Control Systems in Arc Welding, 1st Ed., Chapman & Hall, London.
Skolnik,  M., and Jones,  T. B., 1953, “High-Current Tungsten Arc in Argon, Helium and Their Mixtures,” Weld. J. (Miami), 32, No. 1, pp. 55s–64s.
Jackson,  C. E., 1960, “The Science of Arc Welding: Part III,” Weld. J. (Miami), 39, No. 5, pp. 225s–230s.
Richardson, R. W., and Edwards, F. S., 1995, “Controlling GT Arc Length from Arc Light Emissions,” Proceedings of the 4th Trends in Welding Research, 5–8 June, Gatlinburg, Tennessee.
Salter, R. J., and Deam, R. T., 1986, “A Practical Front Face Penetration Control System for TIG Welding,” Proceedings of the 1st International Conference on Trends in Welding Research, pp. 381–392, Gatlinburg, Tennessee.
Connelly, C., Fetzer, G. J., Gann, R. G., and Auarand, T. E., 1986, “Reliable Welding of HSLA Steels by Square Wave Pulsing Using an Advanced Sensing (EDAP) Technique,” Proceedings of the 1st International Conference on Trends in Welding Research, Gatlinburg, Tennessee, pp. 421–423.
Madigan, R. B., and Quinn, T. P., 1993, “Control of Arc Length During GMAW,” Proceedings of AWS International Conference on Modelling and Control of Welding Processes, December, Orlando, Florida.
Wang,  Q. L., and Li,  P. J., 1997, “Arc Light Sensing of Droplet Transfer and Its Analysis in Pulsed GMAW Process,” Weld. J. (Miami), 76, No. 11, pp. 458s–469s.
Wang,  Q. L., Li,  P. J., and Naka,  M., 1997, “Arc Light Sensing of Droplet Transfer in Pulsed GMAW [MIG/MAG Welding] Process,” Q. J. Jpn. Weld. Soc., 15, No. 3, pp. 415–424.

Figures

Grahic Jump Location
Effect of base metal in spectral distribution
Grahic Jump Location
Arc voltage versus arc length
Grahic Jump Location
Arc light sensor output versus arc length, without optical filter, spectral range of the arc light sensor 450 nm to 1100 nm, peak response 880 nm
Grahic Jump Location
Filtered arc light sensor output versus arc length. Half-width: 15 nm, wavelength: 696.5 nm.
Grahic Jump Location
Arc length control experiment under step disturbance

Tables

Errata

Discussions

Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related Journal Articles
Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In