Handbook for machine designers, shop men and draftsmen (1916)
Halsey, Frederick A. (Frederick Arthur), 1856-1935 · New York, McGraw-Hill book company, inc.; [etc., etc.] · leaf 451
on IronWorks {Amer. Mach., Oct. 12, 1905)are shown with a few leading dimen-sions in Fig. II. The object of thedeep circumferential recesses aa isto facilitate heating of the seats andthus diminish distortion. The ad-mission of steam by the high-pres-sure valve is by its inside and bythe… … Fig. II.—Large piston valves for steam engines. was to make them a straight sliding fit, bottoming at the end for thecrosshead and against a shoulder for the piston. The straight fit ismuch cheaper, not only as regards the actual fits but because therod can be made to measure. The taper fit is…
Machine design
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