Thomas, Hugh Kerr · New York, McGraw-Hill Book Company, Inc.; [etc., etc.] · leaf 84
componentincreases with the increasing angle. EFFICIENCY OF WORM GEARING 71 BLa is a right angle triangle, of which LBa is an anglecorresponding to the pitch angle. Ba is the force applied. BT BL is the usefxil force. The ratio of these two ^^ is the cosine Ba of the angle LBa. Up to this point,… … be considered, and it is the effect of the relative motion betweenthe worm and wheel. Thus with a approaching zero valuethe relative motion between the two is very high compared tothe useful motion of the worm wheel; hence much work isdissipated in useless friction. Various formulae have been…
Gearing, Worm
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