. Railway age gazette . wnthat the speed of air motors is rather high for large sized drillsor reamers. An advantage of this close quarter attachment isthat the bevel gears may be designed so as to give a consider-able reduction of speed. By changing the dimensions of allparts as far as may be necessary, an attachment may be con-structed for several sizes of motors and for the correspondingsizes of drills and reamers- IlIPROVED DOOR FOR OIL FURNACES A water front door is shown in Fig. 3 as applied to a Fergusonspring banding oil furnace, although it may readily be applied toany similar forging
. Railway age gazette . wnthat the speed of air motors is rather high for large sized drillsor reamers. An advantage of this close quarter attachment isthat the bevel gears may be designed so as to give a consider-able reduction of speed. By changing the dimensions of allparts as far as may be necessary, an attachment may be con-structed for several sizes of motors and for the correspondingsizes of drills and reamers- IlIPROVED DOOR FOR OIL FURNACES A water front door is shown in Fig. 3 as applied to a Fergusonspring banding oil furnace, although it may readily be applied toany similar forging furnace. It is operated the same as the cast 143 144 RAILWAY AGE GAZETTE, MECHANICAL EDITION Vol. 88, No. 3 iron, lire brick lined door with which the furnace was originallyequipped. It is so designed that, regardless of the position ofthe door, cold water is always flowing in and hot water flowingout. The u in. intake pipe is clamped in the water front, asshown, so that the cold water enters at the bottom of the ->\l0\:- DeM/ofEndMi//. f->l \^tb-^^td-A Vi V iz~ ,* Defail oi Base^ ,ii, VZ^ ]\ -A lit- . I I. ^91 .1 V /j Deknh of Feed Screiv and Co/far: c |i lofOlb. Fig. 4—Air Driven IVlilling CLitter for Cutting Eccentric Keyways Handle The Vj. in. feed pipe is small enough to pass freely into tlie in-take pipe and when the door is at its lowest position, the endof the feed pipe is 1„_■ in. below the top of the intake pipe. TheV/z in. overflow pipe is tapped in the outer door sheet, near thetop, sliding freely in the 2 in. drain pipe, and when the door isat its highest position, the overflow pipe is several inclies below
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectrailroa, bookyear1913
