. American engineer and railroad journal . endplay, the lower bearlSK is provided with ball tbiust hear-ings at both ends, thus reducing friction andseruring alevelsurface when using face mills. The driving pulley ot thespindle is 15 inches diameter and iVi Inches face, and doubleback-geared .1 to 1. It is independently mounted to securethe permanent alignment of the spindle. This is a valuablefeature on a verllcal spindle uillling machine, as without itChe spindle is eventually worn out of allgnmenl, Impalrlagthe general usefulnesn of the machine, by making the use oflarge surfare mills impra
. American engineer and railroad journal . endplay, the lower bearlSK is provided with ball tbiust hear-ings at both ends, thus reducing friction andseruring alevelsurface when using face mills. The driving pulley ot thespindle is 15 inches diameter and iVi Inches face, and doubleback-geared .1 to 1. It is independently mounted to securethe permanent alignment of the spindle. This is a valuablefeature on a verllcal spindle uillling machine, as without itChe spindle is eventually worn out of allgnmenl, Impalrlagthe general usefulnesn of the machine, by making the use oflarge surfare mills impracticable, for obvious reasons. The bead bos a vertical traverse of seven inchea auto-matically and with automatii- release. It la provided with astop gage graduated to tboifandtb ol an loch. The knee ha<i a vertical adjuHtnifnt of 1« lnche<i. and thegreatest possible distance between tabic and spindle iit 31inches. The table is iV by tit incbes I working surface), andhas an automutli: feed of 40 ini-:same length as tbe table, has a. ngMa< rotary altacbmeut, with an auiumatk- feed in cifhii-direc-tion, is found to be an exceedingly useful feature. The lahlein 2i laches in diameter and will swing work .S4 inches. The table has six changes of atralght and rotary teed foreach change In speed. An arbor support, attached to tbeknee. Is provided tor use with long arbors for slab or strad-dle milling. Gripping Jaws, II inches by ^ Inches. Hlting tbeslots in the table, also accompany the machine. Tbe workmanship and materials arc guaraoCeed to be ofthe best and no pains are spared to make It a reliable andBciuraie mai-hlne. A glance at the Illustration sbows it to bea handf and convenient tool for many kinds of work. Indrilling and boring work It has a. larice range and thv rotaryfeed makes It passible to milt out Urge hoit-s with great ac-curacy. The machine complete with countershaft weighsshout 4,31)1) pounds. The success ol this tool ban hpon remarkable not only inthis cou
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering