. Railway mechanical engineer . e feed change mechanism. When it is used during the timethat the regular feed is engaged, the regular feed is auto-matically thrown out, but as soon as tlie power fast traverseis disengaged, the regular feed is automatically thrown intoaction again. The meclianism is contained in the feed box of the machineand is driven from the machine driving pulley by a narrowbelt. The diagram shows the arrangement of the sliding sleeve A is keyed to the shaft B, that deliversthe power from the feed case to the telescopic shaft leadingto the feed mechanism in th
. Railway mechanical engineer . e feed change mechanism. When it is used during the timethat the regular feed is engaged, the regular feed is auto-matically thrown out, but as soon as tlie power fast traverseis disengaged, the regular feed is automatically thrown intoaction again. The meclianism is contained in the feed box of the machineand is driven from the machine driving pulley by a narrowbelt. The diagram shows the arrangement of the sliding sleeve A is keyed to the shaft B, that deliversthe power from the feed case to the telescopic shaft leadingto the feed mechanism in the knee and saddle. On one end February, 1917 RAILWAY MECHANICAL ENGINEER 105 of sleeve A is a toothed clutch and on the other a frictionclutch. When the toothed clutch is engaged, the drive isthrough the regular feed changing mechanism, and when thecontrolling lever is thrown over to operate the fast traverse,the sleeve A disengages from the regular feeding mechanismand the friction clutch at its opposite end is thrown into the. Mechanism of Power Fast Traverse fast traverse driving pully C. The drive is now direct fromthis pulley to the feeding mechanism in the knee and saddle,and since the fast traverse driving pulley is belted directlyto the main driving pulley of the machine, the movement ofthe table is greatly accelerated. The friction clutch and narrow driving belt are intended
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectrailroadengineering
