. Electric railway journal . ted tothe use of studs for interlocking the metal which isadded to the broken parts. Holes for the i-in. studs aredrilled and tapped at several points adjacent to the breakand the studs are so inserted as to extend above themotor shell to about the same height as the thickness ofthe studs to which additional metal is to be added. Thedeposited metal is then allowed to bridge over thesestuds in welding and so obtains additional support whichhelps to strengthen the weld. In the illustration show-ing repairs made to a broken gear-case suspension arm,one of these studs
. Electric railway journal . ted tothe use of studs for interlocking the metal which isadded to the broken parts. Holes for the i-in. studs aredrilled and tapped at several points adjacent to the breakand the studs are so inserted as to extend above themotor shell to about the same height as the thickness ofthe studs to which additional metal is to be added. Thedeposited metal is then allowed to bridge over thesestuds in welding and so obtains additional support whichhelps to strengthen the weld. In the illustration show-ing repairs made to a broken gear-case suspension arm,one of these studs can be seen projecting from thecasting. As an example of what can be accomplished, in repair-ing broken shells, the illustration showing a welded endof a motor shell alongside a lathe is an extreme motor shell was broken in twelve pieces and fromthe illustration it will be seen that nearly the entire endwas welded. Another record job made in the shop of the UnitedTraction Company was the welding of a truck
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Keywords: ., bookcentury1900, bookdecade1900, bookpublishernewyorkmcgrawhillp
