RESEARCH FOR PHOTOELASTIC EXPERIMENT AND BENDING STRENGTH EXPERIMENT OF DOUBLE INVOLUTE GEAR WITH LADDER SHAPE TEETH

Abstract

Abstract: Bending stress of tooth of DIGLST (Double involute gear with ladder – shaped teeth) is investigated by three dimensional freezing slice photoelastic experiment, the result is mostly alike in comparison with one by FEM. The experiment of soft – tooth gear and hard – tooth gear is carried on high frequency fatigue strength tester, the crack type indicated that location of crack initiation is between 30°and 40°. While the coefficient of tooth thickness is 0.08, the magnitude of decreased stress is about 15% in comparison with traditional involute gear.

Key words: Bending strength, Fatigue test, Involute gear, Photoelastic experiment

CLC Number:

TH132

Xu Hongbin;Zhang Guanghui;Masana kato. RESEARCH FOR PHOTOELASTIC EXPERIMENT AND BENDING STRENGTH EXPERIMENT OF DOUBLE INVOLUTE GEAR WITH LADDER SHAPE TEETH[J]. , 2000, 36(8): 39-42.

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RESEARCH FOR PHOTOELASTIC EXPERIMENT AND BENDING STRENGTH EXPERIMENT OF DOUBLE INVOLUTE GEAR WITH LADDER SHAPE TEETH

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