Abstract

A way to calculate the state of tooth fillet stress, contact stress and flash temperature on tooth flank of large helical gears with profile-, longitudinal form error and simultaneous pitch error is shown. The calculated tooth fillet stress and the contact pattern on tooth flank are compared with the values and figures measured on large double helical gears of 366000 DWT tanker ship drive during test voyage, in order to show the reliability of this calculating method. A hint is shown, to decide the order of accuracy of transverse tooth profile and longitudinal tooth form as input data for this calculation.

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