. The railroad and engineering journal . ORTABLE CRANK-PIN MACHINE. one at a time ; they are then revolved and fed through like ascrew and drop off on opposite side without assistance. Verylittle power is required to run the machine. It will clean fluesranging from i s in. to ^/i in. diameter, removing all scale andwithout injury to the Hue. It occupies but little room, is the scale is consequently reduced to square particles m a roughmanner; the same process is repeated by lour circular finish-ing cutters revolved by the Hue. two of them being providedwith longitudinal teelh, and two wiih cro
. The railroad and engineering journal . ORTABLE CRANK-PIN MACHINE. one at a time ; they are then revolved and fed through like ascrew and drop off on opposite side without assistance. Verylittle power is required to run the machine. It will clean fluesranging from i s in. to ^/i in. diameter, removing all scale andwithout injury to the Hue. It occupies but little room, is the scale is consequently reduced to square particles m a roughmanner; the same process is repeated by lour circular finish-ing cutters revolved by the Hue. two of them being providedwith longitudinal teelh, and two wiih cross teeth, and placedadjustable on the same inclined plane to the extending Fig. 13- PORTABLE CRANK-PIN MACHINE. almost noiseless and makes but little dust. It is so constructedthat no countershaft is required, being provided with a doubleclutch-gear, which enables it to be reversed in case of specialneed, which sets the pulley free. To set the machine, it is onlynecessary to place it in line with a pulley on the shaft fromwhich power is taken. Three revolving shafts, provided with circular, blunt-edged. ■ Fig. 14. ATLAS FLUE-CLEANING MACHINE. Having the circular cutters on the revolving shafts on thesame inclined plane, the first and second cutters on each shaftwill not come in contact with the flue but will afford an easyentrance, acting like a mill, preventing the machine fromchocking ; there is no sticking, as the cutters are all overcome oval places or uneven diameters, the cutters arearranged to give a little, and, when passed, immediately come 279 THE RAILROAD AND [June. 1887. back to the original position, and by a slight movement of th
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectrailroa, bookyear1887
