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Worm gearing (1913)

Thomas, Hugh Kerr · New York : McGraw-Hill Book Co. · leaf 69

An illustration from Worm gearing, 1913, leaf 69
the last Hnes of the table shows an unmistakable connectionbetween specific tooth pressure and temperature. The condi-tions in No. 1 test being alone normal when the individual toothpressure was 875 lb. To determine the area in contact on each point is impossiblewith any accuracy but in the authors… … Fig. 23.that the dry metal will carry this pressure within its elasticlimit, there is every reason to believe it was not much exceeded.Plotting the pounds per tooth in the form of a curve (Fig. 24),we can obtain an approximation to the intermediate points,and we find the curve to be distinctly…

Gearing, Worm

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