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zhan quan shuang kong zuan ju
Author(s): 
Pages: 35
Year: Issue:  6
Journal: Farm Machinery

Keyword:  双孔冲孔防油刃部淬火处理皮垫圈主轴锥孔转/分柄部;
Abstract: <正> 在修理汽车、拖拉机及柴油机时,一些防油防尘用的毡圈常需要更换。如东方红-75拖拉机上用毡圈的地方约有八种十二件。过去我们采用单孔冲模,需两次冲成,常出现冲孔偏斜现象。我厂工人自制了一个双孔钻具,安装在钻床上旋转切割出毡圈,一次完成。工效高,质量好。制东方红-75拖拉机润滑油粗滤器上大毡圈用的
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