. Railway mechanical engineer . ure night of One Pisfon and Rings, mfhoi/f Nut 188 Lb. 6%- U s\ I JJ- Fig. 39—Main Crank Pin for London, Brighton &. South Coast 4-6-4Type Locomotive small detail, but it is attention to just such details that helpsto reduce unnecessary weight. The fiber stress on this pin inbending is low—only 9,600 lb. per sq. in. The piston-rod andcrosshead are shown in Figs. 42 and 43, and the stresses aregiven in Table XV. Section and kind of stress. Shear on key Tension in rod through keyway Tension in neck of crosshead through keyway. Crushing of key on the rod Crushing o
. Railway mechanical engineer . ure night of One Pisfon and Rings, mfhoi/f Nut 188 Lb. 6%- U s\ I JJ- Fig. 39—Main Crank Pin for London, Brighton &. South Coast 4-6-4Type Locomotive small detail, but it is attention to just such details that helpsto reduce unnecessary weight. The fiber stress on this pin inbending is low—only 9,600 lb. per sq. in. The piston-rod andcrosshead are shown in Figs. 42 and 43, and the stresses aregiven in Table XV. Section and kind of stress. Shear on key Tension in rod through keyway Tension in neck of crosshead through keyway. Crushing of key on the rod Crushing of key on the crosshead Bearing pressure, pin on crosshead Compression in main shank of rod Blill,liTN mount of stress, lb. per sq. in. 10,600 10,700 3,850 20,100 27,500 7,830 The head is made of cast steel, is of the flat plate type andis shown in Fig, 41. The valve motion parts on Europeanengines are usually very light, and the parts of this particular J-9900 Lb. ° IVfl/p Sfresi -ai Diam. Speed9IOOLb.° tISd r. Cast Steel Piston Head of London, Brighton & SouthCoast 4-6-4 Type Locomoth
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectrailroadengineering
