Modern locomotive engineering, with questions and answers .. (1913)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & co · leaf 62
e on the tubeinside the sheet, and T T indicates the manner inwhich the end of the tube is expanded and beaded overonto the outer edge of thehole. The Dudgeon rollertube expander, shown inFig. 19, consists of a hol-low plug having a sleeveor cap at one end thatbears against the outsideof the sheet,… … Jl n c — Figure IS 56 LOCOMOTIVE ENGINEERING also move a short distance outward from the centerof the plug. In using this expander the plug is in-serted into the mouth of the tube as far as the capwill permit. A tapered mandrel is then driven intothe central opening, and the rollers are forced…
Locomotives
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