. American engineer and railroad journal . atchet on anauxiliary shaft. This ratchet is operated by a latch oscillatedby the feed rod. The number of notches which are caught ineach oscillation are determined by the position of the cam lo- / ITm n^^H^^^L i mT %i m -^«* .- ^^A QUEEN CITY 24-INCH SHAPER WITH BELT APPE.\RANCE. NOTE THE LONG. CLOSE VIEW OF FEEDING ISTECHANISM ON A QUEEN CITV 24-INCH SHAPER. driven by a -onstant speed motor through a gear box (see cated next to the ratchet and adjustable by hand. This dog orAwencan En^inrc-. May, 1008, page 196), removed 13 cu. in. latch c
. American engineer and railroad journal . atchet on anauxiliary shaft. This ratchet is operated by a latch oscillatedby the feed rod. The number of notches which are caught ineach oscillation are determined by the position of the cam lo- / ITm n^^H^^^L i mT %i m -^«* .- ^^A QUEEN CITY 24-INCH SHAPER WITH BELT APPE.\RANCE. NOTE THE LONG. CLOSE VIEW OF FEEDING ISTECHANISM ON A QUEEN CITV 24-INCH SHAPER. driven by a -onstant speed motor through a gear box (see cated next to the ratchet and adjustable by hand. This dog orAwencan En^inrc-. May, 1008, page 196), removed 13 cu. in. latch can be lifted and by a half turn of a handle at the top canof cast iron per minute with a 32 ft. tool travel, the highest be held out of operation. To change the feed from the forwardrating of the wattmeter attached being 7 1-4 This, it will be to the back stroke it is simply necessary to lift the plunger con-admitted, is a remarkably good record, and it is for the per- necting the feed rod to the driving gear and allow this gear to. DETAILS OF FEEDING MECHANISM ON QUEEN CITY 24-INCH SHAPER. formance of such work as this continuously and with accuracythat the tool has been designed. In the general arrangement the most noticeable feature is th;extreme length of base, which is 17 in. longer than the averagetool of this size, and the height over the ram, which is 6 in. lessthan the average. This not only makes it easier to reach the travel half a revolution when the plunger will drop into the holein the opposite side of the plate. The feed and distance rodsact automatically as the height of the rail is changed. The feedscrew has an adjustable graduated collar reading to .001 of table support raises and lowers with the rail, is always April, 1910. A^rERICAX EXGIXEER AND RAILROAD |()LRXA[.. 155 in line and needs no setting up. It is so arranged that no dirt canget in the bearing and its location at the extreme end of thetable makes it particularly efficient. This fe
Size: 2212px × 1130px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
