. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . -•Jj^P-. Details of Air Operated Forging Press Air Operated Forging Press with a stuffing box cast on. The piston rod is 3 in. indiameter, threaded at the piston end, into which it isscrewed, being also held by a checknut in addition. The head attachedto the lower end of the rod slips overa portion 25^ in. in diameter andhas a bearing against a shoulder. Itis held in place by two ^4- il- setscrews. The piston is packed with three splitrings, each -)4 in. wide and turned toa free diameter of 1
. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . -•Jj^P-. Details of Air Operated Forging Press Air Operated Forging Press with a stuffing box cast on. The piston rod is 3 in. indiameter, threaded at the piston end, into which it isscrewed, being also held by a checknut in addition. The head attachedto the lower end of the rod slips overa portion 25^ in. in diameter andhas a bearing against a shoulder. Itis held in place by two ^4- il- setscrews. The piston is packed with three splitrings, each -)4 in. wide and turned toa free diameter of 16^ in. Air is admitted to a three-way cockG which is operated by a pair of leversH and /. These levers are pivotted onthe fulcrums L which are bolted to theleft hand leg by ^ in. bolts passingthrough the holes a. The lever H has a foot rest by whichthe operator moves it. A downwardpressure of the foot raises it at theother end, where it is connected to thelever /. As this lever is pivotted nearits center, its outer end is depressed,pulling down the bar M and turningthe three-way valve so as to admit airto
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectrailroa, bookyear1901
