【单选题】【消耗次数:1】
某传动装置中有一对渐开线。标准直齿圆柱齿轮(正常齿),大齿轮已损坏,已知小齿轮的齿数z1=24,齿顶圆直径da1=78mm,中心距a=135mm,齿顶高系数ha*=1,顶隙系数c*=0.25。大齿轮的齿顶圆直径( )。
190.5mm
204mm
208mm
203mm
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相关题目
【单选题】 某传动装置中有一对渐开线。标准直齿圆柱齿轮(正常齿),大齿轮已损坏,已知小齿轮的齿数z1=24,齿顶圆直径da1=78mm,中心距a=135mm,齿顶高系数ha*=1,顶隙系数c*=0.25。大齿轮的齿顶圆直径( )。
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【单选题】 某传动装置中有一对渐开线。标准直齿圆柱齿轮(正常齿),大齿轮已损坏,已知小齿轮的齿数z1=24,齿顶圆直径da1=78mm,中心距a=135mm,齿顶高系数ha*=1,顶隙系数c*=0.25。大齿轮的齿顶圆直径( )。
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