Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 426
his point, the temperature remains constant. Power Required. The power required for butt and spot weld-ing is easily determined from the cross section and material of thepiece, because considerable experimental data is available. As pre-viously stated, the power required for this kind of welding… … Fig. 111. Coffee Pot withSpot-Welded Spout 38S 90 WELDING TABLE XIIButt Welder Data Rd. IronDiameterin inches Area inSquare Inches Kw.Required H. P. atDynamo Time inSeconds to .Make Weld Cost per 1000 Welds at1 cent per Kw. 1 .05 2 3 3 0.02 3 .11 3.5 5 5 .05 1 .20 5 7.5 5 .07 5 .31 7.5 12 10 .21 3…
Electrical engineering
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