A study on automatic seam tracking in pulsed laser edge welding by using a vision sensor without an auxiliary light source

Journal of Manufacturing Systems

Volumn 21, Issue 4, 2002, Pages 302-315

  Lee, S K ^a   Na, S J ^a  

^a Korea Advanced Institute of Science and Technology (KAIST)   (South Korea)

Author keywords

Pulsed Nd: YAG Laser Welding; Seam Tracking; Vision Sensor; Weld Pool Monitoring

Indexed keywords

EID: 0039490029     PISSN: 02786125     EISSN: None     Source Type: Journal    
DOI: 10.1016/s0278-6125(02)80169-8     Document Type: Article

References (16)

1. Ballard, D.H. and Brown, C.M. (1982). Computer Vision. Englewood Cliffs, NJ: Prentice Hall.
2. Beersiek, J.; Poprawe, R.; Schulz, W.; Gu, H.; Müller, R.E.; and Duley, W.W. (1997). "On-line monitoring of penetration depth in laser beam welding." ICALEO'97, San Diego, Section C-pp30-39.
3. Denney, P.E. and Metzbower, E.A. (1991). "Synchronized laser-video camera system study of high power laser material interactions." ICA-LEO'91, San Jose, CA, Nov. 1991, pp84-93.
4. Ducharme, R.; Williams, K.; Kapadia, P.; Dowden, J.; Steen, B.; and Glowacki, M. (1994). "The laser welding of thin metal sheets: An integrated keyhole and weld pool model with supporting experiments." Journal of Physics D: Applied Physics (v27), pp1619-1627.
5. Fuerschbach, P.W. and Hinkley, D.A. (1997). Pulsed Nd:YAG laser welding of cardiac pacemaker batteries with reduced heat input." Welding Journal (Mar. 1997), pp103s-109s.
6. Griebsch, J.; Berger, P.; Dausinger, F.; and Hügel, H. (1994). "Process optimization of pulsed laser welding." ICALEO'94, Orlando, FL, Oct. 1994, pp173-182.
7. Haferkamp, H.; Alvensleben, F.; Seebaum, D.; and Thürk, O. (1997). "Visualization of dynamic melting pool behavior." ICALEO'97, San Diego, Nov. 1997, Section F-pp55-64.
8. Holbert, R.K.; Mustaleski, T.M.; and Frye, L.D. (1987). "Laser beam welding of stainless steel sheet." Welding Journal (Aug. 1987), pp21-25.
9. 2 laser beam welding." Welding Journal (April), pp89s-96s.
10. Lee, S.K.; Chang, W.S.; Yoo, W.S.; and Na, S.J. (2000). "A study on a vision sensor-based laser welding system for bellows." Journal of Manufacturing Systems (v19, n4), pp249-255.
11. Mohanty, P.S.; Asghari, T.; and Mazumder, J. (1997). "Experimental study on keyhole and melt pool dynamics in laser welding." ICA-LEO'97, San Diego, Nov. 1997, Section G-pp200-208.
12. Morgan, S.A.; Hand, D.D.; Haran, F.M.; Peters, C.; Steen, W.M.; and Jones, J.D. (1996). "Origin of oscillations in optical signals for Nd:YAG laser welding." ICALEO'96, Detroit, Oct. 1996, Section D-pp28-35.
13. Qu, Z.; Salminen, A.; and Moisio, T. (1994). "Seam tracking for laser welding using vision sensors." 3rd Int'l Conf. on Automation, Robotics and Computer Vision (ICARCV '94), Singapore, Nov. 1994, pp1668-1672.
14. Sarady, I.; Powell, J.; Andersson, H.; and Jämtheden, A. (1994). "The manufacture of high precision parts by Nd:YAG laser welding." ICALEO'94, Orlando, Oct. 1994, pp396-404.
15. Schimon, R.W. and Mazumder, J. (1993). "Monitoring of interface width during laser lap welding through visualization." ICALEO'93, Orlando, FL, Oct. 1993, pp382-392.
16. Zuyao, T.; Bingyou, D.; Cuili, F.; and Fujin, L. (1992). "Laser seam welder for thinner pipe." Proc. of LAMP 1992, Nagaoka, Japan, June 1992, pp559-561.