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首页> 外文期刊>Tribology - Materials, Surfaces & Interfaces >Static friction of litchi stalk/clamp head contact: comparing material, clamp texture and stalk diameter
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Static friction of litchi stalk/clamp head contact: comparing material, clamp texture and stalk diameter

机译：荔枝杆/夹具头接触的静摩擦：比较材料，夹具质地和杆径

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摘要

The static friction characteristic was investigated in the case of litchi picker's clamp heads made of PVC plastic, silicone and rubber, carved with textures of circular, sawtooth, plain and grid, when in contact with litchi stalks. An experimental device was developed and used to measure the static coefficient of friction between a flat surface and cylinder. Clamp heads made of rubber were found to have the biggest static coefficient of friction, and clamp heads made of PVC plastic were found to have the smallest static coefficient of friction. Clamp heads carved with circular texture were found to have the biggest static coefficient of friction, and clamp heads carved with grid texture were found to have the smallest static coefficient of friction. And for specimens of different sizes, the bigger the diameter, the bigger the static coefficient of friction. Results suggest that the best clamp heads for a litchi picker are made of rubber, carved with circular texture, and a bigger clamping force is required to pick smaller stalks.
机译：研究了荔枝捡拾器的钳头由PVC塑料，硅树脂和橡胶制成，并与荔枝茎接触时刻有圆形，锯齿形，平纹和网格状的静摩擦特性。开发了一种实验装置，用于测量平面和圆柱体之间的静态摩擦系数。发现由橡胶制成的夹头具有最大的静摩擦系数，而由PVC塑料制成的夹头具有最小的静摩擦系数。发现刻有圆形纹理的夹头具有最大的静摩擦系数，发现刻有网格纹理的夹头具有最小的静摩擦系数。对于不同尺寸的试样，直径越大，静摩擦系数越大。结果表明，荔枝采摘机的最佳夹头由橡胶制成，并刻有圆形纹理，并且需要较大的夹持力才能摘取较小的茎。

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