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zhou cheng mo sun dui zhong yang chuan dong chi lun nie he de ying xiang
Author(s): 
Pages: 33
Year: Issue:  4
Journal: Farm Machinery

Keyword:  中央传动齿轮副齿轮啮合径向间隙轴向位移大时前进档位移方向倒档石前;
Abstract: <正>几年来,对百余台东方红—75(54)拖拉机中央传动齿轮副的检查调整,发现2712K、700409(27709)轴承的磨损,间隙较大而未及时调整或更换,是加速中央传动齿轮副磨损的一个重要原因。中央传动齿轮副良好的啮合印痕(位置和大小),是保证齿轮经久耐用的首要条件。当2712K 轴承磨损,径向间隙过大时,第二轴向远离大锥齿方向摆动,引起了印痕的偏移(见图);当700409(27709)轴承磨损后,会引起第二轴轴向位移,从而改变了原来正确
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