upset ratio 中文意思是什麼

upset ratio 解釋
鐓粗比, 頂鍛比
  • upset : vt (upset; setting)1 推翻,顛覆;弄翻,打翻。2 攪亂,打破(計劃);(體育比賽、政黨競選等中)意...
  • ratio : n. (pl. ratios)1. 比,比率,比值;比例;系數。2. 【經濟學】復本位制中金銀的法定比價。vt. 1. 用比例方式表達;求出…的比值;使…成比例。2. 將(相片)按比例放大或縮小。
  1. Abstract : in this paper, the stress field in a concave plank being upset is resolved by analytic mathematical method of plastic mechanics, the relation between the geometric parameter ( dimension ratio, concave shape ) and friction shearing stress is determined for upsetting a plank free of tension stress

    文摘:本文用塑性力學初等解析法求解了凹形板坯鐓粗時的應力場,確定了無拉應力鐓粗時坯料幾何參數(尺寸比、凹形形狀)與坯料端面摩擦剪應力的關系。
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