extrusion pressing 中文意思是什麼
extrusion pressing
解釋
熱模壓加工-
The sensitivity algorithm is a knowledge of research on the affection of parameters varies to system performance. combination with pressing force and infuse time predicted model, by using sensitivity algorithm, the affection of cast temperature, mould temperature and infuse pressure on infuse time is researched deeply, and the affection of cast temperature, infuse time and infuse pressure on the pressing force in the origination stage of extrusion process. the sensitivity analysis has huge instructing significance to the selection of parameters
靈敏度演算法是分析參數變化對系統性能影響的一種有效工具，所以本文引入靈敏度演算法，結合壓制力和浸滲時間預測模型，深入研究了澆注溫度、模具溫度和浸滲壓力對浸滲時間的影響關系，以及澆注溫度、模具溫度、浸滲時間和浸滲壓力對擠壓過程起始階段壓制力的影響，對于參數的選取，具有一定的指導意義。 -
The intention of this paper is to develop a set of testing system, which has high efficient and reliable performance and advanced technology. it is applied in testing extrusion pressing of new type elevator wire rope tie - in in its making process and tensile strength, fatigue strength of tie - in. then to test the validity of design theory of the new type tie - in by analyzing the testing data and grope for new theory on and on
本課題研究的目的是開發一套高效可靠、技術先進的測試系統，用於測試新型電梯鋼絲繩繩頭製作過程中的擠壓力、以及繩頭本身的抗拉強度和疲勞強度性能，然後根據測試數據來驗證新型繩頭設計理論的正確性，並不斷進行新理論的探索。 -
Cold extrusion technology of pressing drill sleeve
沖鉆套簡冷擠壓工藝 -
Tic, zrc and cu - 50 % tic were fabricated by reactive ball milling using ti, zr, c and cu powders for raw materials. compound powders were prepared by ball - milling with raw powders that have been fabricated. dispersion strengthen cu - based materials was synthesized at last though a set of technical course that consist of different pressing technique, sintering technique and heat extrusion technique
本課題以單質ti 、 zr 、 c和cu粉末為原料，用反應球磨技術制備了tic 、 zrc和cu - 50 tic原料粉末，將制備的原料粉末和cu粉用球磨混合，制備出cu - tic 、 cu - zrc和cu - （ tic + zrc ）復合粉末，然後設計不同的壓制工藝和燒結工藝進行壓制、燒結和熱擠壓，最終獲得高強度的彌散強化銅基復合材料。 -
The extrusion is successfully divided into three ideal stages through the analysis on the pressing force and displacement curve in the process of extrusion. the mathematical model of three import and one export about extrusion velocity, temperature, extrusion force and displacement was constructed by the combination of first order classic least - square algorithm and least - square linear identifying, and the steady control to extrusion force was realized
採用一次經典最小二乘演算法和最小二乘在線遞推辨識相結合的方法，建立了以擠壓速度、溫度和位移為輸入，擠壓力為輸出的三輸入單輸出數學模型，同時對于在擠壓過程壓制階段中出現的不穩定現象，提出了合理的解決方案，能夠對擠壓過程壓制階段的壓制力進行較好的預測。 -
The emphasis and novelty of this research is to develop a scientific, quantified criterion based on the web hot - working die material selection and application expert system accordance to the invalidation resistance index system to break through the traditional material selection according to experience. the research is based on the results of the national machine industry technique and combing the die applications and intense experience of expert, network techniques, system engineering etc. knowledge. hammer forge dies, pressing forge dies, casting dies or extrusion dies of high melting point metal al, mg, cu and their alloys are largely used
本研製工作的主要工作重點和新穎之處，是在國家機械工業技術發展基金委員會研究成果的基礎上，結合國內外模具行業專家經驗與專著以及作者在模具應用強化等方面的經驗和在專家系統、網路技術、系統工程等方面的知識，力圖打破行業長期按經驗選材的傳統做法嘗試研製出一個以「失效抗力指標體系」思路為依據的科學化、判據量值化的「基於網路的熱作模具材料選擇和應用專家系統」 。
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