extrusion time 中文意思是什麼
extrusion time
解釋
擠出時間-
Calculatie retention time of plastic melt in extrusion moulding head
塑料熔體在擠出模頭中停留時間的計算 -
At the same time, in the field of warm extrusion forming technique for pockety wall thickness forging, the research conclusion of this paper has important leading meaning and application value
同時，本論文的研究成果對非均勻壁厚鍛件的溫擠壓成形工藝研究有重要的指導意義及實用價值。 -
The inside fashion of the sway oil pump stator is complex, its wall thickness is pockety and the metal flow law is difficult to master. at the present time, the investigation of warm extrusion forming technique for the nonuniform wall thickness forging has few to been done. the forming technique and die configuration which use for production have not achieve optimization
由於轉向油泵定子的內部形狀復雜，零件壁厚分佈不均，金屬流動規律難于掌握，目前人們對這種非均勻壁厚鍛件的溫擠壓成形工藝研究幾乎沒有，其成形工藝及生產用模具結構並未達到最優化。 -
In different in terne die travel, the metal flow characterize in warm extrusion forming processes and the affection for the flow of metal stage which made by the difference between the blank bottom altitude and the axial direction limiting size in warm extrusion forming technique have been analysed we have gotten the equivalent strain field and the velocity field and other field variable that the blank in different in terne die travel and the die travel - load curve. at the same time, we have analyzed the contributing factor for the oil pump stator forming process optimized and achieve thereasonable die parameter for the war m extrusion forming finally, the optimized technics parameters were used into pilot production, then the qualified oil pump stator forging were produced, the analog results were compared with those of pilot production
論文具體分析研究了不同成形工藝過程中金屬流動的特點，並對不同凸模行程下溫擠成形過程中的金屬流動特點、坯料連皮厚度（底部高度）與溫擠壓成形工藝中的軸向界限尺寸的差值對金屬變形階段的影響進行了分析，獲得了坯料在不同凸模行程下的等效應變場、速度場等場變量及凸模行程-載荷曲線，同時對油泵定子成形過程的影響因素等進行了分析，優化並獲得了合理的溫擠成形工藝及模具參數。最後，利用模擬優化獲得的各項工藝參數進行生產實驗，得到實際生產出的合格油泵定子件，並將模擬結果與生產實驗結果進行比較。 -
In order to improve the quality of the extrusion mold and reduce the cycle time, a lot of research about cad / cae / cam of system the extrusion die have been done
為了保證鋁型材擠壓模具的質量，延長模具壽命，人們已經在鋁型材擠壓模具cad cae cam技術方面進行了長期和不懈的努力。 -
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。 -
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. through a lot of experiments, the optimization and chosing method of key process parameters ( pouring temperature, mold warm - up temperature, impregnating pressure, impregnating time ) has been mastered. under the precondition of appropriate chosing these parameters, the effective control of extrusion velocity is the key of mading good workpiece. but the control of extrusion velocity remains a handwork, and it is heavily affected by such uncertainties as a handler ' s knowledge and skill about the process. in order to solve the problem, the automatic control of the extrusion velocity is studied, and a computer control system is also designed under existing condition
通過大量實驗，已掌握了關鍵工藝參數（熔液澆注溫度、擠壓模預熱溫度、浸漬時間、浸漬力）的優化選取方法。在合理選取關鍵工藝參數的前提下，擠壓速度的控制是成形出質量良好製件的關鍵。但是，目前對于擠壓速度的控制仍停留在手動控制階段，利用該工藝制備管、棒材製件的成功與否受操作者對該工藝及其設備的經驗及熟練程度等不確定因素影響很大。 -
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。 -
Our main products include central material supply system, series drier, automatic charging machine, single double screw extruder, series heating and cooling blending machine, crusher, cold water machine, mould temperature controller, pipe, bar section, board, pp - r pipe, pe fuel pipe, plastic dual tubing extrusion production line and granulation completed production line equipment, at same time, we also carry on various plastic machine and refrigeration engineering. the products are sold well in every province and city of the whole country and also exported to about 30 countries and areas with strong technical force, advanced equipment, scientific management system and perfect after - sales service
公司主要產品有集中供料系統系列乾燥機自動加料機單雙螺桿擠出機粉料高速混合機粒料混合機螺旋上料機牽引機切割機離心脫水機化纖團粒機全自動擴口機全自動計量混合裝置破碎機磨粉機冷水機模溫機管材型材板材pvc管材pp - r管材pe供水燃氣管材中空壁纏繞管材硅芯管材生產線，雙管擠出電工穿線管材造粒等全套生產線設備。 -
The factory has been enjoying high reputation in the field of pvc extrusion equipment all the time
一直以來，振興塑膠機械在通用塑料擠出設備的領域里享有盛譽。 -
In this paper, the temperature fields during liquid infiltration extrusion of composites are simulated with the fem, the seepage fields of liquid metal are simulated with the fdm. both the temperature fields and the seepage fields are coupled, the temperature variation curves, infiltration front process curves and velocity variation curves with time are obtained
本文採用有限元法模擬了液態浸滲擠壓復合材料浸滲過程溫度場，採用有限差分法模擬了液態金屬滲流場，將兩者間接耦合分析計算，得到了浸滲區域的溫度變化曲線、浸滲前沿及浸滲速度隨時間變化等曲線。 -
In this article, we introducte the advanced numerical, analysis method - finite element method and lucubrate the rigid - viscoplasticity basic theory for three - dimensional problem with the metal ' s specific feature of the warm extrusion forming process, the analytical procedure of metal ductility forming process and the rigid - viscoplasticity finite element method ' basic theory. the rigid - viscoplasticity ' s modle has been made and the rigid - viscoplasticity ' s modle finite element columnwise based on the lagrange facil method and overtension overtress has been deducted in this paper. at the same time, we have analytic studied the forming technique process for the sway oil pump stator
本論文採用先進的數值分析方法? ?有限元法，結合金屬在溫擠壓成形過程的具體特點，詳細論述了三維問題的剛粘塑性有限元法，介紹了金屬塑性成形過程的分析方法，以及剛-粘塑性有限元法的基本理論，建立了剛-粘塑性模形，推導了基於lagrange乘子法和過應力模形的剛粘塑性有限元列式，並對轉向油泵定子的成形工藝過程進行了研究分析。 -
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。 -
By x - ray analysis of the obtained samples the degree of the reaction was researched when the time of ball milling changed. at last the regularity of the metallurgical structure of tial alloy was investigated, when the high temperature changed. the following aspects were accomplished after hot hydrostatic extrusion
熱靜液擠壓工藝:擠壓后，坯料緻密度有了較大的提高;分析了球磨時間跟擠壓力的關系;對ti - al基合金室溫斷裂方式及斷口形貌進行了一定的研究。 -
To be responsible to accomplish extrusion powder lwr in time
及時完成鋁型材粉末實驗室工作 -
The tuha basin, which evolvement of conformation is periods of time, is a extrusion petroleum basin
吐哈盆地構造多期發育演化，多旋迴沉降，是一個疊合擠壓性的含油氣沉積盆地。
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