牽伸理論 的英文怎麼說
中文拼音 [qiānshēnlǐlún]
牽伸理論
英文
drafting theory-
Cu - zn - cr - zr conducting bar alloy and cu - cr - zr end ring alloys used for superpower asynchronous traction motor rotor were prepared by ingot metallurgy. using hardness measurement, tensile test at room and higher temperature, electrical resistance test at room and higher temperature, optical microscopy, xrd, sem, and tem, the mechanical and electric properties and the microstructure of above alloys at different treatment were studied. them were also analysed and explained in theory
採用鑄錠冶金法制備了大功率異步牽引電動機轉子用導條合金和端環合金，通過硬度測試、室溫拉伸、高溫拉伸、電導率測定、金相分析、 xrd 、 sem 、 tem等方法研究了不同加工工藝和熱處理工藝對上述合金力學性能、導電性能及其組織結構的影響和變化規律，並從理論上進行了分析和解釋。However, owing to adoption of nether long - pin, gauge between front and middle rollers is longer and controlling force of the mid of apron is weaker. therefore, as for the fiber which is short in fiber and worse in regularity, this kind of drafting is not so ideal not only from the point of theory but also from practice
但這種形式的牽伸，由於採用下長銷，前、中羅拉隔距偏大，皮圈中部的控制力較弱，對于纖維短、整齊度差的纖維，無論從理論上和實踐上都不夠理想。With the background of studying copper alloy bar for asynchronism traction electromotor, a kind of copper bar and its preparation techniques are developed, and its hardness, tensile properties, electrical properties and microstructure are studied. furthermore, the rule of structure and properties changing with heat - treatment is especially illustrated. the results show : the first, there is obvious aging strengthening effect in cu - 10zn - 0. 8 ( cr, zr ) alloy
論文以城市輕軌列車異步牽引電機用銅合金導條為研究背景，研究開發了cu - 10zn - 0 . 8 （ cr ， zr ）合命導條的制備工藝，測試了導條的硬度、拉伸力學性能和導電性能，觀察了導條的金相組織和電鏡顯微組織，重點研究了時效處理對導條組織、力學性能和導電性能的影響，得出了導條組織、性能隨時效溫度和時效時間變化的規律。Based on the hooked fiber drafting theory, the relationship of doubling process against neps and the neps problem caused in the fore - spinning processes are analyzed, and different doubling process of 6 24 is compared with that of 24 6 with some new processing ideas put forward
摘要根據彎鉤纖維牽伸理論，分析了並條工藝與棉結之間的關系、前紡重定量高效工藝中的棉結問題、工藝流程中不同排列位置的並條工藝設計以及梳並聯能否省去一道並條等問題，並對6 24與24 6併合工藝進行了對比，進而提出了一些工藝創新建議。New technological viewpoints and application examples are given in this article based on the quantitative analysis of the drawing and combing preparation processes according to the hooked - fiber drawing theory
摘要根據彎鉤纖維牽伸理論，對並條和精梳準備工藝進行了定量分析，提出了新觀點及應用實例，並對羅拉牽伸的一般規律進行了定性分析。分享友人