擠制模型 的英文怎麼說
中文拼音 [jǐzhìmóxíng]
擠制模型
英文
extrusion die-
The shape of the die decides the shape of the extruded plastic-a fibre, perhaps, for use in nylon thread, or a tube.
模口的形狀決定了擠出塑料產品的型狀，如制尼龍繩用的纖維絲或塑料管。The meso - cenozoic evolution of bachu fault - uplift is closely related to its south and north subsiding foredeep. under the background of indian plate subducting under asia - europe plate, bachu forebulge was greatly affected by the development of southwest depression and awati depression. almost all of its structure reversed, and as a result of it, both of its south and north boundary migrated. according to its evolution history and its feature, the authors tentatively use both - side migration model to interpret the evolution of compound forebulge. since triassic, almost all the spheres above lithosphere synchronously became flexure. because transpressional stress field became increasingly strong, bachu forebulge continued uplifting and big faults formed. then, bachu uplift, as a whole, slipped upward along those big faults and showed migrating toward thrust zone in plane. in tectonic tranquility, the lithosphere bounded back and in consequence of it, bachu uplift slipped down and showed migration toward craton, at that moment negative inversion structures developed. while the forebulge migrated toward its south and north foredeep, it was very possible that locally extensional stress appeared in the forebulge
在印度板塊向歐亞板塊俯沖的大背景下，巴楚前緣斷隆受西南坳陷和阿瓦提凹陷的影響，新生代時構造體制發生反轉，邊界向南北遷移。根據其發育過程特徵，作者用復合前緣隆起兩端遷移模式對復合前緣隆起獨特的構造發育史進行了解釋：即三疊紀以來巖石圈各圈層同步撓曲變形。隨著擠壓應力場的增大，巴楚隆起在撓曲基礎上不斷抬升，形成幾條大型斷裂帶。During the temperature fields, the results indicate that the processing parameters such as the extrusion velocity, casting temperature, perform preheating temperature, die preheating temperature and so on are important for the temperature fields besides the dwell time. they are must be in concordance each other to the deforming zone is in the quasi - solid state, and the stable semi - solid extrusion is implemented. during the deforming fields, the hyperbolic sine thermo - rigid - viscoplastic fem model is selected according to the forming feature of the process, and the variations of the stress - strain fields are studied
在溫度場的模擬中，模擬結果表明，保壓時間是影響製件成形質量的關鍵因素之一，擠壓速度、液態金屬澆注溫度、預制體預熱溫度和模具預熱溫度等工藝參數對溫度場的影響也很大，需進行參數之間的協調，只有當變形區內部始終維持準固態時，才能實現穩定的液-固擠壓成形過程；在變形場的模擬中，根據液態浸滲擠壓的成形特徵，選用了雙曲正弦剛-粘塑性有限元計算模型，研究了變形過程中應力應變場的變化規律，研究了模角對變形和金屬流動的影響及變形力的變化過程和其影響因素。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。It also has an automatic production line for stainless steel products making, which includes chip separators, tubing machines and polishing machines
擁有從合金熔鑄、模具製造、擠壓成型及氧化、著色全套鋁型材生產線，以及分條機、制管機、焊管機和拋光機等全自動不銹鋼生產線。By means of establishing an economic growth mode which contains a somehow congested stock made of both endogenous and exogenous investment, this part concentrates on the following aspects, namely, the effect of stock and its congestion degree on enterprise marginal output and its long - term growth rate, the effect on long - term economic growth by means of levying taxes to invest in infrastructure. this analysis also goes to the first - best fiscal policy adopted under the situation that infrastructure with a different degree of congestion
建立了包含外生投資形成和內生投資形成的，有一定擁擠性的基礎設施資本存量的經濟增長模型，分析了基礎設施資本存量及其擁擠程度對企業的邊際產生率和對長期增長率的作用機制；分析了通過征稅進行基礎設施投資對長期增長率的作用機制，進而對不同擁擠程度的基礎設施情況下最優財政政策進行了分析，並對經濟的穩定和動態轉移過程的影響進行了分析。This thesis presents systematic quasi - static and dynamic experimental researches on the engraving process of two pistons in solo soldier multi - purpose weapon system dzj00. on the basis of the analysis to the experimental data, a theoretical study is performed and a computing model is established. the calculating results fit well with the test results. at the same time, many affective factors have been considered
本文對單兵多用途攻堅彈武器系統內的活塞對制動環的擠進過程進行了系統的準靜態和動態試驗研究，在通過對試驗結果的分析的基礎上，對擠進過程從理論方面進行了一些探索性的研究工作，建立了計算模型並進行了計算，其結果和試驗結果吻合較好，同時分析了多種因素對擠進過程的影響。Paper aims at the theory problem of exact celerity machining design which is realized urgently in special shaped products, solves mathematics model of similar forming plastic stream, recurring to modern conformal mapping fruit, builds die mathematics model and optimized function equation of arc square product in precision extruding / drawing, establishes theory model for precision celerity shaped die of cad / cam integrative constitution
摘要本文針對亟待實現的擠壓（拔制）異型材模具精密快速加工設計理論課題，藉助于近代共形映射理論研究成果，求解了異型材擠壓（拔制）模具相似成形塑性流動的數學模型，建立了圓角方型材精密擠壓（拔制）模具模腔數學模型及其優化函數方程，建立了為實現模腔精密快速的cad / cam一體化的理論模型。The secondly, based upon the laboratory soil tests, definite the parameter of the kondner model and the loess compaction model, using fortran power station to compile the finite element programmed of axial symmetry. through trial calculate with the different squeeze stress and different poisson ratio, got some laws of stress of soil surrounding pile and judged the result of compaction pile. the result of the calculation and analysis and valuable to designer and builder
同時通過室內試驗確定了特定區域黃土的鄧肯-張模型參數和黃土擠密模型，採用fortranpowerstation ，按軸對稱問題編制了存限元程序，通過採用不同的擠壓力和不同的泊松比的程序試算，得到了一些樁周土體的應力變化規律，並對擠密樁破壞半徑內的土體擠密效果進行了判定，計算與分析結果可供設計施工人員參考。Various successive partial plastic forming methods for processing groove, including thread rolling, cross rolling and skew rolling, splitting, rolling of spline shaft, split rolling, open - die extrusion of spline shaft / gear, extrusion of internal screwed tooth socket parts with large helical pitch, integral cold forging for slot commutator, extrusion - ploughing for outside fin tube, drawing of tube with spiral internal / external ribs etc. have been introduced briefly
摘要介紹了用於加工槽的各種連續局部塑性成形方法，包括螺紋軋制、橫軋與斜軋、分劈、花鍵軸滾軋、劈分軋制、花鍵軸齒輪開模擠壓、花鍵套擠壓、槽型換向器整體冷鍛、外翅片管擠壓一犁削、內外螺紋管拉拔等。Profile by frp resins, fibers and a dozen other types of raw and auxiliary materials, manufactured from high temperature polymerization pultrusion. the performance by the quality of raw and auxiliary materials, formula, production control, and different levels of mold
玻璃鋼型材是由樹脂纖維及其它十余種原輔材料，通過高溫聚合拉擠工藝製造而成。產品的性能受原輔材料的質量工藝配方生產控制模具水平的影響而不同。We also found that the rheological behavior of single layer gmt is isotropic. temperature and pressure method has great affection on the distribution of the fiber. second, we measure the pressure change under different molding rate and use extensional viscosities model and shear force model to analysis the data
研究表明： gmt材料具有很好的充模流動性，流動過程中纖維氈保持一個整體； gmt材料擠壓流動行為表現為各向同性；溫度、壓力制度對纖維的均勻分佈影響很大： 2 ）通過測量不同合模速率下壓力變化，採用拉伸粘度模型（ extensionalviscositiesmodel ）和純剪切流動模型（ shearforcemodel ）對數據進行分析，導出了描述gmt材料宏觀行為的流變學參數。Safety monitoring model for extruding effect and group effect of precast piles
考慮擠土和群樁效應的預制樁安全監控模型On one hand, economists explore the theoretic foundation and effectiveness of banking supervision and supervision, for example, diamond and dybvig ' s banking run model, kaufman ' s systemic risk theory, stiglitz ' s financial restrain theory, et cetera. on the other hand, practice departments continually enact different laws, rules and regulation in order to revise and remedy the faultiness in banking regulation and supervision, try to promote the technical measures and management level and to perfect institutions
一方面，經濟學家試圖從多個角度對銀行監管的理論基礎和有效性進行探討，如diamond和dybvig的銀行擠提模型； kaufman的系統風險理論； stiglitz的金融約束理論等等；另一方面，實踐部門也不斷地出臺各種法律、法規和規章制度來修正和彌補監管中存在的不足，努力提高監管的技術手段和管理水平，完善監管制度。So, in the paper, proceeding from the automatic control of extrusion velocity and based on the basic control strategy presented firstly, the relation among parameters of the process such as pressure, temperature and displacement is investigated, and the model of the process has been built using system identification method. then, a corresponding controller is designed together with its control algorithm, and the control system is proved viable and effective by the results of simulation on the control system. in the end, the problem of the realization of the control system is discussed by using modularization method. the hardware of the control system is designed and a sofeware with a perfect manmachine interface is developed, too
因此，本文從擠壓速度的控制出發，首先探討並確立了本系統的基本控制策略；然後根據此控制策略的必然要求，對該工藝擠壓過程所涉及到的擠壓力、溫度、擠壓軸位移等參數間的關系進行了深入研究，利用系統辨識方法建立了擠壓過程關鍵階段的數學模型；在此基礎上完成了相應的控制器設計，給出了控制演算法，並對所設計的控制系統進行了模擬。Test method for extruded and compression molded shapes made from poly vinlidene fluoride
聚偏氟乙烯擠制和壓模製型材試驗方法Standard specification for extruded and compression molded shapes made from poly vinylidene fluoride
由聚偏氟乙烯製成的擠制和壓模製型材的標準規范Pom standard specification for extruded, compression molded and injection molded acetal shapes
擠制壓鑄和注模乙縮醛型材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。Liquid - solid extrusion of composite material is a new kind of metal forming process, which has been developed in recent years with a promising practical application prospect for its simple working procedure, low cost and good workpiece performance. but it is difficult to set up an accurate mathematical model because the process is a multivariable nonlinear time varying system. so this process ca n ' t be put into practical uses for the difficulties in process parameters control
復合材料管、棒材液-固擠壓成形工藝是近幾年發展起來的一種金屬成形新工藝，具有工序少、成本低、製件性能好等特點，應用前景廣闊，但該工藝是一多變量非線性時變系統，很難建立精確的數學模型，過程參數難于控制，限制了該工藝的實際應用。分享友人