B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
327/64
B23K 9/12 (2006.01) B23K 9/10 (2006.01)
Patent
CA 1081799
ABSTRACT OF THE DISCLOSURE In an application to welding generally cylindrical members along a designated circumferential weld seam, the method and apparatus of this invention simultaneously pro- duce substantially identical welds at a plurality of spaced weld zones along the weld seam symmetrically situated about an axis bisecting the axis of revolution of the member by automatically controlling and establishing a substantially identical ratio of heat input to volume of deposited metal along the weld seam at each of the weld zones at any given point in time. Identical welds are achieved by automati- cally, programmably, controlling the power employed to preheat the filler material at each welding location as a function of the corresponding filler material feed speed and the respective feed speed and power imparted to each weld zone as a programmed function of the speed of the weld zone along the seam and the respective feed speed and welding power corresponding to each of the other weld zones along the seam.
279627
Schneider Urban A.
Sigman Robert D.
Mcconnell And Fox
Westinghouse Electric Corporation
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