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yong hu zhi sheng
Pages: 31
Year: Issue:  11
Journal: Farm Machinery

Keyword:  柴油机连杆零部件质量径向间隙根托台肩缸套曲轴箱阻水圈农机公司防护网;
Abstract: <正> 零部件质量太差我们购来一台新4125柴油机后发现,机体严重锈蚀,加工也很粗糙,在安装时又发现,安装缸套的台肩偏斜0.30毫米、安装减压轴的孔下移1.5毫米。我们先后购买了30根托带轮轴没有一根合格;安装407轴承的轴颈大0.30毫米;2712K轴承不是外径小就是内径大,轴承的径向间隙达1.35毫米;新4125柴油机连杆质量差385克;新HE-10型曲轴箱安装2206轴承孔小1毫米。类似这样质量问题很多很多,望能引起有关部门注意。
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