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通过3种国产新型重负荷齿轮钢的单齿弯曲静强度、弯曲疲劳寿命、冲击功等对比测试,选择了最佳采掘机齿轮用钢,并推荐作为国产高强度抗冲击采掘机齿轮新钢种。
Through the comparative tests of single-tooth bending static strength, bending fatigue life and impact work of three kinds of domestic new heavy-duty gear steel, the best mining gear gear steel was selected and recommended as the new type of high strength impact impact mining gear new steel .