8.Bl APPENDIX VIII.B EB WELDING RATE The "Welding Handbook" of the American Welding Society (8.Bl) gives a relation to compute the speed of hard travel of an electron beam welding gun: where Energy Input 60 VI_ 60 P -s- - -sV beam accelerating voltage amperage P power in watts S = welding speed in inches/min and the energy input in joules/in is given by the graph from (8.B2) shown in Figure 8.Bl. 60 45 30 15 0 Power (kW) Thickness (in.) FIGURE 8.Bl
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