. American engineer and railroad journal . are in ■iT i use of injectors, will greatly tend to remedy this trouble. Dalaon engine failures due to foaming and leaking will probablybe published as soon as sufficient have been obtained.{To be continued.) HYDRAULIC SHEARING PRESS FOR COUPLER POCKETS. To move old couplers to the shops or to cut out the pocketrivets by hand are expensive operations. The machine illus-trated was designed by Mr. R. D. Fildes, machine shop fore-man of the Lake Shore & Michigan Southern at Englewood,111., so that the power could be taken to the work and thepocket rivets
. American engineer and railroad journal . are in ■iT i use of injectors, will greatly tend to remedy this trouble. Dalaon engine failures due to foaming and leaking will probablybe published as soon as sufficient have been obtained.{To be continued.) HYDRAULIC SHEARING PRESS FOR COUPLER POCKETS. To move old couplers to the shops or to cut out the pocketrivets by hand are expensive operations. The machine illus-trated was designed by Mr. R. D. Fildes, machine shop fore-man of the Lake Shore & Michigan Southern at Englewood,111., so that the power could be taken to the work and thepocket rivets sheared off as rapidly as the couplers may behandled by the attendants. These machines have been in useat Englewood, Collinwood, Toledo and Ashtabula for threeyears, and they are available wherever an air pipe can betaken. At these points they are located at the scrap work is quicker than that of a hammer, and the rivetheads do not fly. These machines are also used as forging- for a variety of heavy work on car fig. 1. A photographic view is shown in Fig. 1, illustrating abroken coupler shank, with the pocket attached. The ma-chine is heavy and does not break down; neither does it re-quire skilled labor. At the right, in Fig. 2, an air cylindeiis shown. This receives air from the throttle, through Bself-actuated, reciprocating valve, and the extended piston rodof the air cylinder operates two hydraulic pumps above andbelow the air cylinder. These pumps give a pressure of 200tons to the press plunger with an air pressure of 100 lbs.,this being sufficient to shear off two 1%-in. rivets in two places,and do it quickly. By means of the three-way cock, shown atHie left in Fig. 3, the main plunger cylinder is filled with oilfrom the reservoir shown at the left in Fig. 2, thus forcingthe main plunger quickly to its work with the air pipe pressureonly. Another movement of this valve starts the air pumpand increases the pressure for the cutting portion of thestr
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
