螺紋中徑 的英文怎麼說

中文拼音 [luówénzhōngjìng]
螺紋中徑 英文
effective diameter of thread
  • 螺 : 1. [動物學] （軟體動物） spiral shell; snail; conch 2. （螺旋形的指紋） whorl （in fingerprint）
  • 紋 : 名詞（花紋; 紋縷兒） lines; veins; grain
  • 徑 : Ⅰ名詞1 （狹窄的道路; 小路） footpath; path; track 2 （達到目的的方法） way; means 3 （直徑的簡稱...
  1. Abstract : factors causing the failure of the rod string in a screw pump well include rod with minor od being used ， defects in the rod body produced in manufacturing and service ， excessive torque caused by plugging and reactive torque on the rod string ， and excessive shearing stress on the rod thread

    文摘:造成螺桿泵採油井抽油桿桿柱斷裂、脫扣和擼扣的主要原因有桿體外徑選擇偏小，桿體製造或使用過程中產生缺陷，堵塞扭矩過大，反扭矩大於螺紋聯接扭矩以及抽油桿螺紋牙受剪應力過大等。
  2. Based on ansys, this paper studies stress concentration on single notch of eight kinds of high strength bolts used in grid structure, obtaining their stress concentration coefficients, discussing the effect of ascending angle, bottom radius of screw thread and bolt - ball on stress concentration, introducing their effect coefficients of a1, a2, a3, putting forward the formulae of stress concentration coefficient

    本文以ansys有限元軟體為研究手段，針對網架螺栓球節點的8種螺栓規格進行單缺口應力集中分析，定量求得相應的應力集中系數k _ t ；論述了螺紋升角、螺紋牙根圓角半徑r及球栓直徑比d / d對k _ t的影響，並引入相應的影響系數_ 1 、 _ 2及_ 3 ，最終提出了應力集中系數k的計算公式。
  3. The machines are multi - purpose horizontal lathes. they are available to machine shops, tool rooms and repair shops to mahine small to medlan sized workpieces such as shafts, sleeves, disces as well as metric, inch, module and d. p. threads. the lathes are featured compact in constrution, reliable in performance, nice - looking in pearance, safe in operation and easy in maintenance

    該機床是具有多種用途的臥式車床，可擔負中、小型軸類、套類、盤類零件類及公制、英制、模數、徑節螺紋等零件的加工，特適宜於細長軸零件的製作，該機床可用於工廠的機加工車間，工具車間和設備維修車間，該機床結構緊湊，性能可靠，外形美觀，操作安全，維修方便。
  4. By using various accessories, it can be used for special measurements, such as pitches of male threads and female threads

    利用各種隨機附件，亦可進行內外螺紋中徑等多種特殊測量。
  5. Effective diameter of thread

    螺紋中徑
  6. This paper points out the main factors causing errors in three - pin screw pitch diameter measurement, presents a synthesizing approach of measurement errors in direct measurement upon theoretical analysis and example, and introduces some methods of reducing errors and improving precision

    摘要介紹了三針法測量螺紋中徑時影響測量誤差的主要因索，並通過理論分析及應用舉例給出了間接測量中測量誤差合成方法，提出了減小測量誤差，提高測量精度的措施。
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