. Railway mechanical engineer . gement brirgs the gears close together, andis claimed to prevent chatter when taking heavy cuts. All gearsare of liberal diameter with wide surfaces and coarse pitch. The table has a working surface of 50 in. by 11^ in. It isprovided with quick return motion and is designed to swingthrough an arc of 300 deg. The table feed gearing is driven bya chain which is enclosed in the column to prptect it from feed changes are 14 in num1)er. ranging from .005 in. in. per revolution of the spindle. Only two levers are re-quired to make all feed changes. The
. Railway mechanical engineer . gement brirgs the gears close together, andis claimed to prevent chatter when taking heavy cuts. All gearsare of liberal diameter with wide surfaces and coarse pitch. The table has a working surface of 50 in. by 11^ in. It isprovided with quick return motion and is designed to swingthrough an arc of 300 deg. The table feed gearing is driven bya chain which is enclosed in the column to prptect it from feed changes are 14 in num1)er. ranging from .005 in. in. per revolution of the spindle. Only two levers are re-quired to make all feed changes. The maximum length of auto-matic feed is 28 in. for longitudinal. 8 in. for the cross feed March, I»15 KM A(;i-: flAZI. MECIIAXICAI- KDIIIDX 147 :iMdchillfeed 19 ill. • may Ini of 34 inir ,.\urli;in the JO in. KiiiK •h tw. Im •d. If (kvcd Willi I nTli\cdy. solid aid lircd. liiiuciimitiiiliiial ma-Milical 1 4 in. in111- sn|i|i<irl It ■ andis li,dd. Double Back Geared Universal Milling IVlachine in pcisitiiin liy a Handed suiipurt uliicli is secured tn a solid flangeon llie face of the column. The vertical milling attachment, which is shown in one of theillustrations, is not driven through the main spindle nose as isusual in Unee ty])e milliiit; machines. \\ hen placiiit; the attach-
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectrailroadengineering
