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编号:时间:2021年x月x日书山有路勤为径,学海无涯苦作舟页码:第PAGE26页共NUMPAGES26页第PAGE\*MERGEFORMAT26页共NUMPAGES\*MERGEFORMAT26页目录摘要..........................................................................3ABSTRACT.....................................................................41绪论.......................................................................51.1设计的目的及国内外的研究现状.............................................51.2设计方法思想及所要解决的问题............................................52传动方案的确定.............................................................62.1电机的选择............................................................62.2转速图的拟定...........................................................62.2.1初始条件..........................................................62.2.2转动式的确定......................................................62.2.3转速图的确定.......................................................63轴的计算....................................................................83.1计算轴的功率...........................................................93.2计算轴的最低转速.......................................................93.3计算轴的最小直径.......................................................94齿轮传动设计..............................................................104.1确定齿轮齿数..........................................................104.2齿轮强度校核..........................................................104.2.1确定齿轮初始条件..................................................104.2.2齿轮几何尺寸的设计................................................104.2.3校核齿面的接触强度.................................................115轴的校核..................................................................125.1轴的强度验算..........................................................125.2当量弯矩的计算........................................................155.3按疲劳强度校核安全系数................................................156滚动轴承的选择和计算......................................................176.1滚动轴承的选择.......................................................176.