Precision sensing of arc length in GTAW based on arc light spectrum

American Society of Mechanical Engineers, Manufacturing Engineering Division, MED

Volumn 10, Issue , 1999, Pages 649-658

  Li, P J ^a   Zhang, Y M ^a  

^a UNIVERSITY OF KENTUCKY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

CLOSED LOOP CONTROL SYSTEMS; SENSORS; SPECTRUM ANALYSIS;

ARC LENGTH; GAS TUNGSTEN ARC WELDING (GTAW);

GAS METAL ARC WELDING;

EID: 0033315238     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Article

References (14)

1. Committee on Welding Automation, 1986. "Welding process control and automation-results of a questionnaire," Journal of Light Metal Welding and Construction, Vol. 24, No. 5, pp. 13-20.
2. 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.
3. Deam, R. T. , 1986, "Weld pool frequency: a new way to define a weld procedure," Proceedings of the 1st International Conference on Trends in Welding Research, Gatlinburg, Tennessee, pp. 967-970.
4. Jackson, C. E., 1960, "The science of arc welding: Part III," Welding Journal, Vol. 39, No. 5, pp. 225s-230s.
5. Johnson, et al., U.S. Patent 3,236,997, Feb. 1966.
6. 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.
7. Masumoto, I., Araya, T., lochi, A. and Normura, H., 1983, "Development and application of sensors and sensor systems for arc welding," Journal of Japan Welding Society, Vol. 52, No. 4, pp. 339-347.
8. Nomura, H., 1994, "Sensors and Control Systems in Arc Welding," First Edition, Chapman & Hall, London, PP1-50
9. 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, pp715-720.
10. 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, Gatlinburg, Tennessee, pp. 381-392.
11. Skolnik, M. and Jones, T. B., 1953, "High-current tungsten arc in argon, helium and their mixtures," Welding Journal, Vol. 32, No. 1, pp. 55s-64s.
12. Ushio, M. and Mao, W., 1994, "Sensors for arc welding: advantages and limitations," Transactions of JWRI, Vol. 23, No. 2, pp. 135-141.
13. Wang, Q. L., Li, P. J., and Naka, M., 1997a, "Arc light sensing of droplet transfer in pulsed GMAW [MIG/MAG Welding] Process," Quarterly Journal of the Japan Welding Society, Vol.15, No.3, pp. 415-424.
14. Wang, Q. L., and Li, P. J., 1997b, "Arc light sensing of droplet transfer and its analysis in pulsed GMAW process," Welding Journal, Vol.76, No.11, pp. 458s-469s.