图3-2为变量叶片泵局部装配图。己知D=74mm,d=50mm,h1=25mm,h2=18mm,求δ的最小值δmin和最大值δmax。 7

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问题 图3-2为变量叶片泵局部装配图。己知D=74mm,d=50mm,h1=25mm,h2=18mm,求δ的最小值δmin和最大值δmax
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答案δmin=1/2(D-d)-(h1-h2)+0.04mm =1/2×(74mm-50mm)-(25mm-18mm)+0.04mm =5.04mm δmax=1/2(D-d)-(h1-h2)+0.08mm =1/2(74mm-50mm)-(25mm-18mm)+0.08mm =5.08mm δmin和δmax分别为5.04mm和5.08mm。

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