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 63
and other high-speed machines, andfor such machines the shafts must be proportioned with respect tothe critical speed, the diameter being such that the critical speedshall differ from the working speed by a suitable margin. As regardsthe margin, the General Electric Co. has found a value of 15 per… … Dia, 2 2)iFig. 2)4 2?i 3 •3« ZVi i% i iH iy. iH 3.—The torsion of machinery steel shafts. as the critical speed is passed, for, theoretically, it should break atthis speed. Actually it does not do so, though for reasons thathave not been explained. Such danger as there may be is minim-ized by…
Machine design
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
