Simultaneous temperature measurements on laser welded seams with

Details Simultaneous temperature measurements on laser welded seams with Simultaneous temperature measurements on laser welded seams with

1994-11-14

1996-04-09

Paschall, Mark H.

Electric heating

Metal heating

By arc

21912163, 21912183, 219137R, B23K 2600

Patent

active

055063861

ABSTRACT:
In laser butt welding of metal sheets, in particular sheets of unequal thicknesses, the temperature is measured at two points behind the liquid-solid interface. From combination of the two readings obtained a series of process data can be derived whereby the welding process can be monitored.

REFERENCES:
patent: 3555239 (1971-01-01), Kerth
patent: 4317981 (1982-03-01), Chubarov et al.
patent: 4359622 (1982-11-01), Dostoomian et al.
patent: 4649256 (1987-03-01), Miranida et al.
patent: 4663513 (1987-05-01), Webber
patent: 4717801 (1988-01-01), Brolin et al.
Japanese Patent Abstract, vol. 13, No. 48 (M-793) Feb. 3, 1989 & FP-A-63 256 289 (Matsushita Electric Ind Co.) Oct. 24, 1988.

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