徑節螺紋種數 的英文怎麼說
中文拼音 [jìngjiéluówénzhǒngshǔ]
徑節螺紋種數
英文
number of diametral pitch thread-
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。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。
分享友人