等溫擠壓 的英文怎麼說

中文拼音 [děngwēn]
等溫擠壓 英文
isothermal extruding
  • : Ⅰ量詞1 (等級) class; grade; rank 2 (種; 類) kind; sort; type Ⅱ形容詞(程度或數量上相同) equa...
  • : Ⅰ形容詞(不冷不熱) warm; lukewarm; hot; gentle; mild Ⅱ名詞1 (溫度) temperature 2 (瘟) acute ...
  • : 動詞1 (人、物緊緊挨在一起; 事情集中在同一時間內) crowd; pack; cram 2 (使勁用身體推開人或物) j...
  • : 壓構詞成分。
  • 擠壓 : cirmp; squeeze; mouthpiece pressing; nobbing; extrusion; squeezing; battering
  1. The globalization course was that the preformed texture recrystallized and became the granular equiaxed grain, when the temperature rose and the holding time prolonged, the granular grain melted at some area and at the liquid - solid interface the grain globalized at the role of the curvature overheated

    過程機制為:形變組織在加熱過程中首先發生再結晶長大變為顆粒狀軸晶;隨度升高和保時間延長,軸晶發生局部熔化,液固界面的曲率過熱使晶粒外形向球狀轉變。
  2. 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成形過程中的金屬流動特點、坯料連皮厚度(底部高度)與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效應變場、速度場場變量及凸模行程-載荷曲線,同時對油泵定子成形過程的影響因素進行了分析,優化並獲得了合理的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。
  3. When the two reactants were simply mixed by crush, they reacted violently and produced carbon spheres with a diameter of 50 - l00nm and sodium chloride ( nacl ) was encapsulated within the outer amorphous carbon shells, which could be confirmed by sem and tem. by annealing at 1400 ? to drive the encapsulated nacl away, hollow carbon spheres were left with a novel mesoporous structure, as presented in hrtem

    實驗中將兩種反應物通過直接混合后加熱反應,得到的無定型球狀碳材料經tem照片證實直徑為50 - 100納米,而且中間包裹氯化鈉( nacl )顆粒; xrd結果顯示,高退火併徹底清除nacl后形成的中空碳球已經部分石墨化。
  4. The main parameters ( extrusion ratio, temperature, article size, deformation velocity, configuration of die, lubrication etc. ) effecting powder extrusion formability and forming process of powder cladding wire have been analyzed

    對影響粉末成形性能的主要參數(比、度、顆粒度、變形速率、模具入口形狀以及潤滑)以及粉末包覆線成形的工藝作了定性的分析。
  5. For adi researchers to refer, the paper describes conceptually some view points on the property characteristics of the adi, its application expansion, squeeze - casting process of adi, numerical simulation and adi casting weight - lightening

    筆者就淬火球鐵材料的性能特點、擴大應用、鑄造、數值模擬、輕量化五個問題介紹一些情況,並概念性地論述一些觀點,供從事這方面研究的同行參考。
  6. 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

    度場的模擬中,模擬結果表明,保時間是影響製件成形質量的關鍵因素之一,速度、液態金屬澆注度、預制體預熱度和模具預熱工藝參數對度場的影響也很大,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-固成形過程;在變形場的模擬中,根據液態浸滲的成形特徵,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。
  7. 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(熔液澆注度、模預熱度、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,速度的控制是成形出質量良好製件的關鍵。但是,目前對于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不確定因素影響很大。
  8. The forming technology data have been defined on the analysis of the forming technology of az31 magnesium alloy thin - walled tubes by using isothermal forming and forward extrusion deforming of hollow blank process and the design of die structure has been introduced

    摘要本文通過對az31鎂合金薄壁管材成形的工藝分析,採用了空心坯正成形的工藝方法,確定了其成形工藝參數,並介紹了該薄壁管材的模具結構設計。
  9. 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復合材料浸滲過程度場,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,得到了浸滲區域的度變化曲線、浸滲前沿及浸滲速度隨時間變化曲線。
  10. Aiming at the problem of incline of lintel in warm extrusion forming process for copper alloy solid bearing retainer, the rigid - plastic fem analysis models have been setup and numerical simulation and analysis been made, improving measures put forward

    摘要針對軸承保持架成形中出現的過梁傾斜問題,建立了剛塑性有限元模型,對成形過程進行數值模擬,並提出了相應的改進措施。
  11. 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,對該工藝過程所涉及到的力、度、軸位移參數間的關系進行了深入研究,利用系統辨識方法建立了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。
  12. Frames optimization and extrusion forming technology for copper alloy solid bearing retainer

    銅合金實體軸承保持架結構優化及等溫擠壓成形
  13. Through orthogonal experiment design, the preparation technology of reactive extrusion dynamic vulcanization for low hardness epdm / pp blend thermoplastic dynamic vulcanizates was studied, and the effects on micromorphology of extruded vulcanizates of such main technological factors as barrel temperature, feed screw driven voltage and host machine screw rotation rate were discussed

    摘要通過正交試驗設計,研究了低硬度epdm / pp共混型熱塑性動態硫化膠的反應出動態硫化制備工藝,初步探討了機筒度、喂料螺桿驅動電及主機螺桿轉速主要工藝因素對出物微觀相態結構的影響。
  14. In the making process we use hot - forging warm - forging cold extrusion forming and magnetic annealing processes to completely solve the problem of complex form hign precision dimensions difficult manufacturing lower power and so on. what s more, part surface is very smooth with no trimmed margin, continuous flowing metal fiber, high strength, lower noise. forged claw poles obviously increase generator s power and life, and also improve finished product rate of roughness

    在製造過程中採用了熱鍛鍛冷成型及磁性退火先進生產工藝徹底解決了精鍛「爪極」形狀復雜尺寸精度高製造難度大功率低問題,且產品表面光潔無飛邊金屬流動纖維連續毛坯強度大噪音低,明顯提高了發電機的功率和壽命,並且提高了毛坯成品率。
  15. Abstract : focused on the metal plastic forming of valve bodies for power plant boiler, a new process named “ shear extrusion ” is described in this paper. the numerical simulation analysis is carried out by using the 3 - d deform software to predict the distribution of velocity, stress, strain and temperature fields during the forming process and the flow law of metal. then the numerical simulation results are testified by simulative experiment. finally, large - size valve bodies have been successfully formed by the screw press

    文摘:針對電站鍋爐用大型截止閥體的製造新工藝? 「剪切」 ,利用數值模擬的方法對剪工藝進行研究,得到了成形過程中速度、應力、應變及度場的分佈及金屬流動規律,並通過物理模擬實驗進行了驗證,進而為獲得閥體剪製造的最佳成形工藝參數提供可靠依據。
  16. The extruded az91d alloy was heated continuously and soaked at constant temperature. then it was quenched in the water and the instant texture at high temperature was acquired

    首先對經過形變的az91d鎂合金分別進行連續加熱及,然後水淬快速激冷固定其高瞬時組織。
  17. Isothermal extrusion for aluminium alloy extrusion by finite element analysis

    基於有限元分析的鋁合金等溫擠壓工藝設計
  18. First, by measure the fiber content in different radius range, the influence of pressure and temperature on fluidity is investigated

    1 )通過測量流動后不同半徑范圍內的纖維含量,研究了力、對材料流動性能的影響。
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