. Illustrated catalogue and general description of improved machine tools for working metal . °*C:?7 SELF-ACTING GAP LATHE.—For Screw-Cutting and Turning. Independent shaft for turning-feeds operated through improved frictiondiscs. Compound swivelling slide-rest, with automatic cross, longitudinal, andangular feeds. All feeds engaged, disengaged, or reversed at the saddle withinconvenient reach of the operator. Easy hand adjustment of saddle by rack andpinion. Swing over bed, 72; swing over slide-rest, 6^% diameter. Ratio ofback-gearing about 50 to i; ratio of triple-gearing, 300 to i. Largest
. Illustrated catalogue and general description of improved machine tools for working metal . °*C:?7 SELF-ACTING GAP LATHE.—For Screw-Cutting and Turning. Independent shaft for turning-feeds operated through improved frictiondiscs. Compound swivelling slide-rest, with automatic cross, longitudinal, andangular feeds. All feeds engaged, disengaged, or reversed at the saddle withinconvenient reach of the operator. Easy hand adjustment of saddle by rack andpinion. Swing over bed, 72; swing over slide-rest, 6^% diameter. Ratio ofback-gearing about 50 to i; ratio of triple-gearing, 300 to i. Largest lift of cone-pulley, 24 diameter for 3^ belt. Complete with countershaft, wrenches, fullset of change gear, and ratchet lever for moving poppet-head. Fast and loosepulleys on countershaft, 20 diameter for 4 open and cross belts, and shouldmake 122 and 124 revolutions per minute. As shown in illustration, lathe is ar-ranged with bed in two parts, so as to form gap-lathe when required, bed beingsupported on shoe-plates at intervals, and arranged so that the long end may bemoved to form
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License: Licensed
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Keywords: ., bookcentury1800, bookdecade1890, bookidillu, booksubjectmachinery
