擠出速度 的英文怎麼說
中文拼音 [jǐchūsùdù]
擠出速度
英文
extruded velocity- 擠 : 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...
- 速 : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 擠出 : squeeze out; force out; extrusion
- 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
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This twin screw extruder has the feature of one - side circumgyrate , it ' s an ideal equipment for the small - scale factory who produce powder
該擠出機是同向高速旋轉雙螺桿結構,是用於多種組份物料經一定的溫度在熱狀態下達到最佳的理想效果,適應小型企業生產粉末的理想設備。Extrusion line speed
擠出生產線速度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。By means of analytical methods based on upper bound element technique ( ubet ), non - axisymmetric element, simulates the forming process of non - axisymmetric involute teeth spline has been introduced, formula of speed fields been derived and the deformation regularity of steady extrusion on the forming process successly described
摘要本文運用上限單元技術( ubet ) ,引入非完全軸對稱單元,模擬了非完全軸對稱零件漸開線齒外花鍵的成形過程,推導出了成形過程中的速度場公式,並成功地描述了擠壓過程中的變形規律。The relations, such as the tensile strength of extrusion products to extrusion ratio and contents of powder strengthen materials, the practical load of powder extrusion to contents of powder strengthen materials, extrusion ratio and extrusion velocity, were given by this dissertation
論文給出了實驗過程中擠壓製品的抗拉強度與擠壓比、顆粒增強材料含量之間的關系,粉末擠壓所需的實際擠壓力與顆粒增強材料含量、擠壓比、擠壓速度之間的關系等。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。It was suitable for melt spinning that temperature was 100 ~ 150, revolving speed was 10 ~ 15r / min and drawing speed was 2 ~ 5m / min
通過研究發現溫度是影響熔融紡絲的關鍵因素,熔融紡絲較適宜的條件是:溫度為100 150 ,擠出機轉速為10 15r min ,拉伸速率為2 5m / min 。Widespread capacity deficiencies are forecast to exist in most major travel corridors. these deficiencies lead to congestion and decreased travel speeds
屆時,大部分主要行車走廊將會出現不勝負荷的情況,並會導致交通擠塞及行車速度減慢。The paper focuses on the processing technique of wood flour - recycle polystyrene composite, and assesses the effects of wood flour contents, coupling agent contents and the rotate speeds of extruder on water uptake, tension strength, bending strength and dynamic mechanical properties. the results can be shown as follows : with the increasing of wood flour, composites gain higher water uptake but lower dynamic mechanical properties, the storage moduli ( e " ) and glass transition temperature ( tg ) decrease
較系統地研究了木粉含量、偶聯劑添加量和雙螺桿擠出機的螺桿轉速等主要擠出工藝參數對復合材料的吸水性能、拉伸強度、彎曲強度、動態機械性質(存儲模量e和損耗正切角tan )的影響規律,初步確定了適宜工藝條件,主要結論是: 1 )木粉含量的增加使得復合材料的吸水性能增加,動態機械性質下降。A gear pump is installed on the production line, the pressure is stabilized by varying the speed of extruder through the help of computer according to the accurately measured pre - pump pressure, resulting optimized material feeding process
在擠出生產線上安裝一臺齒輪泵,通過在泵前準確的測壓,通過微機處理調節擠出機速度,保持壓力穩定,有序提供料流來優化供料過程。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。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擠出動態硫化制備工藝,初步探討了機筒溫度、喂料螺桿驅動電壓及主機螺桿轉速等主要工藝因素對擠出物微觀相態結構的影響。For conventional high - speed mass production of flexible tubes, the skirt of the tube must be obtained directly by extrusion with a thickness at least six times lower, under conditions so that it is difficult or even impossible, to control the action of the blowing agent in the screw, then in the convergent zone of the extruder, so that a skirt is obtained with a expanded extruded layer with significant irregularities in thickness, which does not make it possible to provide an acceptable industrial packaging
對于軟管的常規高速批量生產,必須通過將管的厚度擠壓到至少為原來的六倍以下來直接得到管裙,在這樣的情況下很難甚至不可能控制膨脹劑在螺桿中,然後在擠壓機收斂段的運動,這樣,獲得的管裙具有厚度明顯不規則的擠出層,其不可能提供可接受的工業包裝。Pdlla / ha composite fibers were produced by melt spinning, and the choices of the process parameters such as temperature, revolving speed and drawing speed etc were discussed
選用熔融紡絲法制備pdlla ha復合纖維,探索了熔融紡絲過程中溫度、擠出機轉速、拉伸速率、加料速度和冷卻速率等一系列工藝參數的選擇及其影響因素。The results show that compared with the intermittent polymerization, the semi - continuous polymerization can greatly improve the reaction rate, and polymer with high relative molecular weight can be easily obtained
研究表明:與間歇式聚合相比,採用雙螺桿擠出機進行半連續化聚合可以大大加快反應完成的速度,同時還容易制得相對分子質量較高的聚合物。After 1989, the increase of demand slowed down and facing the complexion of low degree of industrial concentration of product market and financial strain of medi um and small - sized enterprises caused by the circulating trap of " credit squeeze - - - bad loan ", the advantageous enterprises " " wallow in money ", specifically, those listed companies that could finance from the stock market, began to take predatory pricing strategy in succession and tried to enlarge market share and obtain high return by squeezing medium and small - sized enterprises out of the market after 1998, the vicious circle of deflation and " credit grudging " of banks in product and credit markets, overcapacity, the difficulty of retreating of loss - incurring enterprises in some industries from the market for institutional reasons and over - competition in some industries, led to the incessant decrease of enterprises " global income, persistent increase of rate of debts and constant rise of ratio of bad assets of banks, which further intensified the vicious circle of deflation and " credit grudging " of banks
如在改革開放初期,在產品市場需求旺盛和信貸市場預算軟約束的情況下,各類企業的最優決策就是採用高負債、高擴張的「負債的有限責任效應」策略來搶占市場並獲得高回報; 1989年以後,需求增速開始放緩,面臨產品市場產業集中度較低和信貸市場「信貸緊縮-不良貸款」循環陷阱導致的中小企業資金緊張的局面, 「錢袋鼓鼓」的優勢企業(尤其是那些可以通過股票市場融通資金的上市公司)紛紛採用掠奪性定價策略,試圖通過把中小企業擠出市場來擴大市場份額並獲得高收益; 1998年以後,產品市場和信貸市場形成了通貨緊縮和銀行「惜貸」惡性循環的狀況。產品市場上部分行業生產能力嚴重過剩,且由於體制等原因導致虧損企業無法退出,因此這些行業中出現了過度競爭的現象,企業總體收益的不斷下滑、負債率不斷提高以及銀行不良資產率的持續上升,又進一步加強了通貨緊縮和銀行「惜貸」的惡性循環。This the production thread application plc carries on procedure control, and realizes to crowd out machine owner ' s electrical machinery and synchronization towing the mechanical and electrical machine is transferred fast ( ly ), and the installation has the good man - machine interface, and all technology parameters all can be set up and show by way of touching the screen, and producing to consult the menu, the order name was formerly fixed in the input, and whole production line just can be according to primary pipe specifications and speed production fixing every time ; cutting the function voluntarily fixed long ( ly ) cuts, and a pattern head temperature is controlled to use the import intellect warm accuse table ( making the temperature deviation within ), therefore having pledged the quality of tube
本生產線採用plc進行程序化控制,實現擠出機主電機、牽引機電機的同步調速,並設置有良好的人機界面,所有工藝參數均可通過觸摸屏進行設置和顯示,每次生產只需查閱菜單,輸入原先設定序號,整條生產線就可按原設定的管子規格和速度生產;切割機能自動定長切割,模頭溫度控制採用進口智能溫控表(使溫度偏差在1內) ,因此保證了管材的質量。Based on the reynolds " lubrication approximation, the small parameter method is introduced to approximately analyze velocity field and stress distribution between the two parallel disks with an interstitial second - order fluid. 3. squeeze flow between two parallel plates of a bingham fluid with partial wall slip is considered
以reynolds潤滑理論為基礎,採用小參數法研究了存在滑移時兩剛性圓盤間二階流體的擠壓流動,導出了流體的速度場和壓力分佈,進而求出圓盤間擠壓力的解析表達式。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。In our study, the composites can achieve good properties when processed with twin - screw rotate spe ed of 40 rpm. the best properties of composites can be gotten from 40 % wood flour, 20 % coupling agent and twin - screw rotate speed of 40 rpm
5 )木粉-再生聚苯乙烯復合材料擠出工藝的適宜工藝條件為:物料配比為木粉含量40 ;偶聯劑含量20 ;溫度160 190 ;雙螺桿轉速40rpm 。分享友人