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 322
roducing the excess of centrifugal force, whichleads to running unbalance. The drum of Fig. 19 represents the conditions which confront uswhen balancing any long drum. Remember that the body is instanding balance. The running unbalance is produced by centrifu-gal force. To generate centrifugal… … Fig. 21.—The Norton running balance machine. Not only is the detection of running unbalance impossible by atest of the body at rest, but, if a long drum is initially in both stand-ing and running unbalance, the correction of the former may increasethe latter. Such correction is, in fact, nearly as…
Machine design
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