Metal-work; a handbook for teachers and students (1914)
Adam, Hugh M. [from old catalog], Evans, James Humphrey, [from old catalog] joint author · New York, Longmans, Green and co.; London, E. Arnold · leaf 205
back cone is hollow and slides on a featherkey, so that, whilst it must revolve with the mandril, longi-tudinal movement is possible. A fine screw is cut on themandril immediately behind the back cone, to which is fitteda pair of circular nuts, by tightening which both cones are 188 METAL-WORK… … €^M Fig. 172.—Vertical Section through Bearings of 4^-Inch Centre Lathe. cut the wide angle is not so liable to lock or bind, and thenarrower angle of the back cone is more sensitive for adjusting.The pressure of the cut or thrust is taken from the end ofthe mandril and thrown on the tail or…
Metal-work
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