Laser pipe welding system for nonstationary pipe

Details Laser pipe welding system for nonstationary pipe Laser pipe welding system for nonstationary pipe

1982-08-02

1984-01-31

Albritton, C. L.

Electric heating

Metal heating

By arc

219121LQ, 219121LV, 219121LX, B23K 2700

Patent

active

044292112

ABSTRACT:
A laser pipe welding system for welding 360.degree. around a pipe includes a pair of focusing heads each welding half the pipe circumference, a seam tracker to keep the focal spot on the seam to compensate for axial and radial variations, an active beam alignment system for real-time compensation of angular misalignment, and both passive and active-feedback beam transport systems that flexibly follow the focus head.

REFERENCES:
patent: 4080525 (1978-03-01), Gobetz
patent: 4088865 (1978-05-01), Peters et al.
patent: 4088890 (1978-05-01), Waters
patent: 4327275 (1982-04-01), Asaba et al.

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