Conclusions
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1.
Grinding of carburized samples under conditions not inducing burns raises the fatigue limit.
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2.
The grinding of gear teeth generally used lowers the fatigue limit, the effect increasing with the severity of grinding.
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3.
To reduce the harmful effect of grinding it is necessary to reduce the allowance at the base of the teeth. For this purpose it is necessary to take into account the thickening of the teeth at the base during heat treatment. Gears not ground at the base or ground to a slight depth have the highest fatigue limit.
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Literature cited
I. I. Sidorin et al., Vestnik Mashinostroeniya, No. 2 (1965).
R. M. Pratusevich, Stanki i Instrument, No. 10 (1965).
A. V. Yakimov et al., Aviatsionnaya Promyshlennost', No. 10 (1965).
V. P. Ponomarev, Stanki i Instrument, No. 3 (1961).
Additional information
Urals Polytechnical Institute. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 12, pp. 55–57, December, 1971.
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Sagaradze, V.S., Malygina, L.V. The fatigue strength of carburized steel after grinding. Met Sci Heat Treat 13, 1050–1052 (1971). https://doi.org/10.1007/BF00665006
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DOI: https://doi.org/10.1007/BF00665006