In this paper, friction field distribution between sliver and pressure bar on a homebred drawing frame is analyzed, and on this basis, the best range of contact arc is deduced.

本文以国产并条机为例，分析了并条机上须条与压力棒上摩擦力界的分布，并进一步推导出了须条对压力棒包围角度的最佳范围。

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According to the deflection coordination condition of shell, the distribution rule of contact angle and the contact pressure between shell and tyre are obtained.

根据滚圈处筒体的变形及平衡条件，得出了筒体—滚圈的接触角及筒体—滚圈的接触压力分布规律。

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Particle penetrating direction has influences on the magnitude of surface deformation, contact pressure and stress, and the distribution forms of contact pressure and stress.

磨粒侵入方向不仅影响材料表面变形、表面接触压力和表层应力的大小，而且会引起压力和应力分布形状的改变。

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