. Illustrated catalogue and general description of improved machine tools for working metal . between housings, 24. Adapted for milling connecting rods, sidebars, etc., cutting keyseats in heavy shafts and other milling operations. Madealso with shorter or longer table as required. Table operated by spiral pinionsame as our planing machines. Cutter mandrel or arbor 2 diameter; movablesupports adjustable to suit width and position of cutter. Improved friction feed,variable from H to 8 per turn of cutter. Table runs in flat bearings with holding-down shoes. Crosshead securely gibbed to uprights.
. Illustrated catalogue and general description of improved machine tools for working metal . between housings, 24. Adapted for milling connecting rods, sidebars, etc., cutting keyseats in heavy shafts and other milling operations. Madealso with shorter or longer table as required. Table operated by spiral pinionsame as our planing machines. Cutter mandrel or arbor 2 diameter; movablesupports adjustable to suit width and position of cutter. Improved friction feed,variable from H to 8 per turn of cutter. Table runs in flat bearings with holding-down shoes. Crosshead securely gibbed to uprights. Stop motion for table andfriction clutch to prevent recoil. Table has quick power traverse and easy handadjustment. Automatic stop for feed. Oil pump, circulating pipes and take cutter 8 diameter. Made also for 12 cutter. Made also with variablespeed countershaft. Very powerful and efficient. Countershaft pulleys, 16 di-ameter for 5 belt, should make 250 revolutions per minute, or with variablespeed countershaft, 360. 136 Wm. Sellers & Co., Incorporated, Philadelphia, TWO-SPINDI,E VERTICAL MILLING MACHINE—for Test Specimens. The plate coupons are clamped in a chuck [to a thickness of about cutters are fed together by right and left screws to proper distance as deter-mined by a gauge piece. The automatic feed of the table passes the specimensbetween the cutters, reducing the central portion to the required width. Variablefriction feed, quick hand adjustment, and automatic stop or knock-out forend of stroke. Table gibbed to bed, driven by screw and nut, full .stroke, with chuck, two sample cutters, wrenches, pump and circulating pipesystem, and countershaft. Fast and loose pulleys, 12 diameter, 3^ face. 290rotations per minute. Wm. Sellers & Co., Incorporated, Philadelphia, Pa. 137 Plate No. 112.
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Keywords: ., bookcentury1800, bookdecade1890, bookidillu, booksubjectmachinery
