. Locomotive engineering : a practical journal of railway motive power and rolling stock . angles to this hole is a rectangular slot,li, X 2% inches, passing through the dies,also on the parting line; this slot receiv-ing the punch on the movable die. Ine. 0 2 -8--- CO n i 1 ^ -^ r/4 1 : •---i ; ^—-1054 IlV - punch has a tapered shank fitting into aboss on the movable die, and made shortenough to have requisite stififness to standup to the work. In operation the bolt orpin is passed into the gripping dies, andthe eccentric is turned by means of thelever, to which it is secured, until th
. Locomotive engineering : a practical journal of railway motive power and rolling stock . angles to this hole is a rectangular slot,li, X 2% inches, passing through the dies,also on the parting line; this slot receiv-ing the punch on the movable die. Ine. 0 2 -8--- CO n i 1 ^ -^ r/4 1 : •---i ; ^—-1054 IlV - punch has a tapered shank fitting into aboss on the movable die, and made shortenough to have requisite stififness to standup to the work. In operation the bolt orpin is passed into the gripping dies, andthe eccentric is turned by means of thelever, to which it is secured, until thepiece is clamped so as to prevent turningin the dies. The advancing punch thenenters the slot and cuts a smooth, cleankey way, with no accompanying enlarge-ment of the material around it. Theseholders are arranged to receive dies andpunches for all sizes of key ways in use,so that when key ways are in order it isonly necessary to remove one set and ap- c- -6--| ■4/41=
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroa, bookyear1892
