. American engineer . R P Machine for Pressing in Piston Valve Bushings. which is held in place by the dowel X. The diameter of thepitch lines of the gears in the train are as follows: A, 11J4 in.; B,llA in.; C, 8 in., and D, 1;^ in. The frame /, which also forms the casing, is made of 3 steel. It was first roughly punched out in a punching ma-chine to the shape shown with a J4-n- punch, and the peripherywas afterwards trued up on an emery wheel. It was then putunder a steam hammer and straightened. The necessary holeswere drilled and the larger ones bored out; brass bushings, H,we
. American engineer . R P Machine for Pressing in Piston Valve Bushings. which is held in place by the dowel X. The diameter of thepitch lines of the gears in the train are as follows: A, 11J4 in.; B,llA in.; C, 8 in., and D, 1;^ in. The frame /, which also forms the casing, is made of 3 steel. It was first roughly punched out in a punching ma-chine to the shape shown with a J4-n- punch, and the peripherywas afterwards trued up on an emery wheel. It was then putunder a steam hammer and straightened. The necessary holeswere drilled and the larger ones bored out; brass bushings, H,were pressed in and riveted to the plate, serving as sheets are held in place by the bolts R, and parted by thepipes P, and the periphery is closed by a galvanized-iron band. This arrangement has given good satisfaction and with a Little Giant motor, has ample power for the work. On oneoccasion it appeared to work so easily that the foreman thoughtthe bushing was too loose; but when he detached the mac
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectrailroa, bookyear1912
