本文对渐开线点啮合齿轮减速器进行了性能试验、接触疲劳强度和弯曲疲劳强度试验，同时还进行了铁谱分析。
This paper describes the performance test, contact fatigue strength test and bending fatigue strength test on the gear reducer of involute point contact Ferrographical analysis is made.
齿轮钢要求具有高的弯曲疲劳强度和接触疲劳强度。
High bending fatigue strength and contact fatigue strength are needed for heavy duty gear steels.
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