Thomas, Hugh Kerr · New York, McGraw-Hill Book Company, Inc.; [etc., etc.] · leaf 81
d fi for three different rubbing velocities, from which itis evident that the characteristic of the ctu-ve obtained from theentire axle is identical with these and consequently the rulesdeduced from Towers experiments by Unwin for the variationsof ft with pressures and speeds will apply equally to… … 200 800 Bearing Pressures, Lbs. a X Fig. 30. It will at once be objected that the values of fi obtained byexperiment are much greater than .002; the reason for this isvery plain. In the axle, as tested, there was the friction of theball bearings supporting the worm and the worm wheel, andalso the…
Gearing, Worm
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