. Railway mechanical engineer . ensus of opinion being that this ma-terial is not suitable for tools and that crucible steel shouldbe used. The methods of forging tools described in Mr. Ryanspaper were generally conceded to be excellent, but a numberof the members took exception to them as being too slow tosatisfy the demand for output which must be met in rail-road shops. A number of instances were mentioned wherechisels are dressed under small belt driven hammers whichmake it possible for one man to dress several hundred chiselsin an eight-hour day. Locomotive Wheel Balancing Machine Device
. Railway mechanical engineer . ensus of opinion being that this ma-terial is not suitable for tools and that crucible steel shouldbe used. The methods of forging tools described in Mr. Ryanspaper were generally conceded to be excellent, but a numberof the members took exception to them as being too slow tosatisfy the demand for output which must be met in rail-road shops. A number of instances were mentioned wherechisels are dressed under small belt driven hammers whichmake it possible for one man to dress several hundred chiselsin an eight-hour day. Locomotive Wheel Balancing Machine Device Used in British Railroad Shops Tests Wheelsby Rotating Them in Spring Supported Bearings IN American railroad shops little attention is generally givento accurate balancing of locomotive driving wheels. Im-proper balance increases the stress on the rail and onthe machinery and causes bad riding qualities. For thatreason it seems that the matter should receive more atten-tion. The greater refinement in this respect that is prac-. Balanclng Machine Showing Driving Motor and Flexible Shaft ticed on British railroads is exemplified by a machine forbalancing locomotive driving wheels designed by G. , of the Great Western Railway, and describedin The Engineer. This machine was first installed at theSwindon shops of the Great Western and since that time hasbeen put in use at Crewe on the London & North West-em, and Doncaster on the Great Northern. In commentingon the use of die machine The Engineer states that while thetheory underlying the balancing of locomotive wheels is welldeveloped, a locomotive wheel that has been balanced purelyby calculation is seldom if ever completely free from the each bearing being supported on four springs so arrangedtliat the bearings may float and vibrate with the axle,should the wheels when spun be out of strict balance. Aswill be gathered from the accompanying illustrations, thebearings and their springs are supported from cast iron frame
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectrailroadengineering
