. American engineer and railroad journal . d is 125 lbs. By opening and closing the lever valve overthe main air cylinder a static pressure or a blow of 60,000 delivered to the work, and in eithercase the force is controlled by openingand closing a cut-out cock in the lineof piping. The working of one of thesemachines was fully described on page289 of the September. 1900, issue ofthis journal. The capacity of this tool is limitedby the amount of iron that can beheated and brought to the dies. Fourmen. and a boy to operate the ma-chine, can turn out lino arch-bars a dayof ten hours. To f
. American engineer and railroad journal . d is 125 lbs. By opening and closing the lever valve overthe main air cylinder a static pressure or a blow of 60,000 delivered to the work, and in eithercase the force is controlled by openingand closing a cut-out cock in the lineof piping. The working of one of thesemachines was fully described on page289 of the September. 1900, issue ofthis journal. The capacity of this tool is limitedby the amount of iron that can beheated and brought to the dies. Fourmen. and a boy to operate the ma-chine, can turn out lino arch-bars a dayof ten hours. To forge a valve yokeat a fire requires three men; a black-smith, who receives $ per day, andtwo helpers, each receiving $ perday. In ten hours these men willturn out three valve-yokes, while withtwo men and a boy at the machine 30valve yokes are finished in the samelength of time. The man in chargeof the machine gets $2 a day, hishelper $, and the boy who op-erates the machine, $ a day. DIE TO FORGE PASSENGER-CARTRUCK I ip Ez IPCOWQTIVE FRAME-BUCKLE DIE, nur=[ FhAME-BUCME. Mil I. BUCKLES OF * LARGER SHEAPPL* TO OIE.
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
