軟模成形 的英文怎麼說
中文拼音 [ruǎnmóchéngxíng]
軟模成形
英文
flexible die forming-
Using templates is an important method to regulate and control the morphology and size of crystal. according to the characterization of templates and the ability of their domain limitation, template methods were divided into two parts, hard - template methods and soft - template methods. soft - template methods mainly included many kinds ordered congeries that composed by amphiphathic molecules, such as liquid crystal, colloid, microemulsion, vesicle, lb films, self - assemble films, and so on, the self - assemble structure of macromolecules and biomacromolecules was also included
模板法是對晶體的形貌和尺寸進行控制的一類重要的方法，根據模板自身的特點和限域能力的不同分為硬模板和軟模板，軟模板主要包括兩親分子形成的各種有序聚合物，如液晶、膠團、微乳狀液、囊泡、 lb膜、自組裝膜等，以及高分子的自組織結構和生物大分子等。By using the software deform3d, a numerical simulation of the double - sided roll forming of discal parts in 24 different cases has been carried out and the influences of the roller geometry, workpiece geometry and process parameters on the groove shape have been obtained
摘要利用商品化軟體deform3d ，對盤型件雙面輾壓成形過程進行了24種不同工況的數值模擬，獲得了輾壓溝槽的形態特徵以及工具參數、工件參數和工藝參數對溝槽形態的影響。( 2 ) pbs nanoparticles with different morphologies, such as shuttle - like, rod - like, needle - like and spherical, were prepared in w / o microemulsion containing non - ionic surfactant op, iso - octyl alcohol ( or n - pentanol ), cyclohexane and aqueous solution
（ 2 ）採用op異辛醇（或正戊醇）環己烷水溶液所形成的w o型微乳液作軟模板，合成出了梭形、棒狀、針狀和球形等不同形貌的pbs納米粒子。( 3 ) pbs nanotubes, cac2o4 nanowires and caco3 nanometer whiskers were first synthesized in the bicontinuous microemulsion containing non - ionic surfactant op / n - pentanol / cyclohexane / aqueous solution. in those processes, the nanosized aqueous channels in the bicontinuous microemulsion were used as sofe templates
（ 3 ）採用op正戊醇環己烷水溶液所形成的雙連續微乳液中的「隧道」作軟模板，合成出了pbs納米管、 cac _ 2o _ 4納米線、 caco _ 3納米須等不同形貌的納米粒子。According to the above theories, with using the software - deform - 3d, we have made the numerical analog simulation and analyse the warm extrusion forming technique process for sway oil pump stator, optimized the forming : technique and the die parameter for the pockety wall thickness forging this paper concretely analysis and research metal flow ' s characterize in different forming processes
本課題根據上述理論，利用有限元數值模擬模擬軟體deform - 3d ，對轉向油泵定子溫擠成形工藝過程進行模擬模擬分析，優化了油泵定子的成形工藝及模具參數。Polysaccharides are main energy sources of human body and possess some important physiological functions. in this paper, polysaccharides were used as the soft templates in synthesizing selenium nanoparticles which were produced with the reduction of selenious acid by ascorbic acid. the effect factors of synthetic reaction were studied and selenium nanoparticles obtained were characterized
本文以幾種生物多糖為軟模板，採用抗壞血酸還原亞硒酸的方法合成納米硒，研究了制備反應的影響因素，得到了多種形貌的納米硒，並採用光譜法、透射電鏡、掃描電鏡、 x射線衍射等方法對產物進行了表徵。This paper referred to the massive domestic and foreign technical material, elaborated in the sheet forming value simulation theory essential technology in detail, points out when analysis sheet forming question should use the big distortion ball plasticity fem and introduce the application characteristic and the function summarizes of the sheet forming simulation software dynaform. secondly, analyzed the cover forming characteristic, simultaneously introduced the influence cover forming factor in detail : such as ramming direction, the craft addendum surface and the material pressing surface, the radius of convex - concave mold, draw bead, pressure strength, blank size and craft margin and so on. and simulates many typical automobiles cover panel with software : such lateral board, back taillight pedestal and storage cover
其次，分析了覆蓋件成形的特點和要求，同時詳細介紹了影響覆蓋件成形的因素如沖壓方向、工藝補充面和壓料面、凸凹模圓角、拉延筋、壓邊力、坯料尺寸和工藝切口等，並用數值模擬軟體對多個典型的汽車覆蓋件汽車后側圍板、后燈座以及轎車后備箱蓋的沖壓成形情況進行模擬，用模擬結果優化拉延工藝方案，比較了內覆蓋件和外覆蓋件在成形特點和要求的一些異同點，以及常見的起皺、拉裂和回彈、成形不足等缺陷的產生機理和相應對策，重點介紹工藝補充面和壓料面的設計及優化方法，因為拉延是沖壓工藝的關鍵工序，而工藝補充面和壓料面的設計是拉延工序的關鍵，對消除缺陷至關重要。This thesis briefly analyzes some yield criteria and instability criteria to the sheet metal forming first. then according to the transformation rule from ultimate strain to ultimate stress, it establishes the mathematical calculation models of the forming limit stress diagram for the software development according to hill48 、 hill79 and hosford yield criterion irrespectively
本文首先分析了板料成形的屈服準則和失穩準則，然後根據極限應變到極限應力的轉換關系，分別採用hill48屈服準則、 hill79屈服準則和hosford屈服準則，建立了用於軟體開發的成形極限應力圖的數學計算模型。Viscous pressure forming ( vpf ) is a new sheet flexible forming process developed in 1990s, which is suitable for the forming of high strength, low plasticity and difficulty deformation materials and has wide application in automotive manufacturing and aeronautic industry
粘性介質壓力成形（ viscouspressureforming ， vpf ）是20世紀90年代提出的一種新的板材軟模成形技術，適合於低塑性、高強度、難變形材料復雜形狀件的成形，在航空航天、汽車製造等工業領域有著廣闊的發展空間。In the paper, the finite element simulation software dynafrom is applied to analyze the affect of different blank holder during the forming process of laminose stepped tubular part, predict the possible defects such as wrinkle and break, obtain the rational style of blank holder avoiding the occur of defects and determine the rational configuration of die. the forming affect of thin - wall shallow stepped tubular part is analyzed when using different lubricate condition ( friction coefficient ). by this method, the relationship between friction coefficient and drawing depth of laminose stepped tubular part is obtained
本文利用有限元模擬軟體dynafrom分析了不同類型的壓邊圈對薄壁階梯筒形件成形過程的影響規律，預測了採用不同類型壓邊圈時可能出現的成形缺陷如起皺和拉裂，獲得了防止缺陷產生的合理壓邊圈形式，確定了合理的模具結構形式；分析了不同的潤滑條件（摩擦系數）對薄板階梯筒形件成形的影響，獲得摩擦系數與薄板階梯筒形件的拉深深度的關系；分析了階梯筒形件成形過程中的不同階段的應力應變分佈、毛坯材料厚度變化情況，並獲得了階梯階梯筒形件能一次拉深成形的條件。This should be an incentive to apply the rrpa method with non - linear effective lagrangians to study other systems such as unstable nuclei near drip lines. for nuclei with the extreme value of n / z, low - lying collective excitations are found in isovector dipole modes, which are mainly due to the particle - hole excitation of weakly bound states near fermi surface and the isospin mixture effect
將相對論無規位相近似理論推廣應用到奇特核集體激發態的研究，發現對于奇特核的同位旋矢量激發模式在很低能量下會出現軟模式的巨偶極共振，這主要是由於費米面附近粒子-空穴激發所形成的。From the feature of the force and deformation of the tpih, 5 different elements are used to mesh the different zones of the tube, which are structural beam 3d elastic 4, structural pipe plastic straight 20, structural pipe elastic elbow 18, structural shell elastic 4 node 63 and contact 3d pt - to - surf 49 ; the contact problem is assumed to be flexible - to - flexible ; the temperature field is assumed to be body load. a mechanical model corresponding to reality has been established for numerical simulation. based on the above, the 3 - d fem numerical simulation of tpih has been carried out by using the ansys program
針對加熱彎管過程的受力和變形特點，採用三維梁單元、三維塑性直管單元、三維彈性曲管單元、三維殼單元與三維點對面接觸單元等5種不同的單元分別對管毛坯不同區域進行劃分，並對接觸單元採用柔體-柔體的處理方法，將溫度場作為體載荷處理，建立了符合實際的加熱彎管問題數值模擬力學模型：在此基礎上，應用商用軟體ansys對加熱彎管過程進行三維有限元模擬與研究，獲得了成形時推力、彎矩、支撐力大小及其變化趨勢。Comparing and analyzing the synchronous control strategy, which brings up the new method to control the double un - symmetry jars proceed synchronously with the combination of proportional valve and servo valve, which forms closed loop control ; basing on the above methods, models are made to get mathematics models of position control system and to analyze system model theoretically by using pid controller, we can realize regulating parameters, minimizing synchronous errors and enhancing the dynamic performances ; the simulink tool box in matlab software is used to imitate the system according to the model, which not only makes the result visual and easy to adjust the parameters in interactive way but also lets us understand the effects of different parameters and optimizes the dynamic properties. the theory of plc control in dshp is discussed after advanced understanding of the system movements. hardware design and general regulation are given on the base of siemens company products s7 - 200 plc
本文根據大量的國內外文獻，對研配液壓機的工作原理及設計結構進行了簡介；對位置同步的控制方法進行了比較分析，提出比例閥和伺服閥復合控制的閉環結構來對非對稱雙缸進行同步控制電液比例同步控制方案；在此基礎上著重對比例閥控非對稱缸建模，最後得到位置控制系統的總體數學模型，從理論上對同步系統動態特性進行了分析，並用pid控制器進行參數整定，減小雙缸同步誤差、提高系統的動態響應性能；其中控制性能的分析藉助于matlab軟體中的simulink工具箱，由已建立的數學模型形成模擬模型，得到可視化的模擬結果，從而利於交互方式下調整參數，了解不同的參數對系統的影響，優化同步系統的動態性能；在深入了解系統的動作特性后，對plc控制研配液壓機的原理進行了探討，針對siemens公司s7 ? 200型plc給出了硬體設計的總體規劃，編制出研配液壓機動作控製程序，在編程中著重研究位移傳感器與plc的通訊、雙缸同步運行的pid控制在plc上的實現及bcd碼撥盤輸入程序的植入問題。A finite element model describing the drawing process of the heat - shield panel of automobile engine is established by using the commercial dynamic explicit code ls - dyna
摘要使用基於動態顯式演算法的商業軟體ls - dyna建立了某汽車發動機隔熱罩拉延成形的有限元模型，通過所建立的有限元模型分析了壓邊力對拉延成形的影響。The machine is one soft and hard candy constantly mixed and stirred. it adopts successive vacuum membrane boil - candy new crafwork and can manufacture all kinds of different shape and formula soft and hard candy, with filling and double colors and stories with solid with filling soft and hard candy
本機是軟硬糖連續澆模成型的主要設備。它採用了連續真空薄膜熬糖新工藝，可澆注各種不同形狀，不同配方的軟硬糖、夾心軟硬糖、雙色雙層帶固體夾心軟硬糖。The idea of three - views is applied to the analysis and process of dnc system, and a formalized model based on dnc system is established. a class model of dnc system is built based on the formalized description of dnc. a system solution, which enables the reuse of resource, is put forward, and the efficiency of system design and development is greatly improved
應用現場總線技術和agent技術，提出一種基於代理體技術的dnc系統模型，為自動化車間實現設備集成開辟了有效途徑；建立了設備集成通用模型；形式化描述了監控agent ，並建立基於軟插件技術的agent模型；運用機械制圖中三視圖的表達思想對dnc系統的功能結構進行了分析，建立了dnc系統的形式模型，對dnc系統進行了形式化的描述，建立了dnc系統的類表示模型，並提出了一種資源可重用的dnc系統解決方案，使系統設計和開發的效率得以大大提高。There is a introduction of fluidic module of the finite element ( fem ) software ansys which is used in this paper, and some discussion was made about the step and process in the analysis of the metal - powder injection molding which use the finite element software ansys
並對文中使用的有限元軟體ansys的流體模塊進行了介紹，討論了用ansys分析金屬粉末注射成形的步驟與方法。A thermal rigid - visco - plastic constitutive relation accompanied by dynamic recrystallization is implanted into deform3d based on the unix and windows system by means of the user routines in order to add the function of predicting microstructure evolution during hot forging process to deform3d
在unix和windows平臺上，對現有的體積成形商業軟體deform3d進行了二次開發，利用deform3d的用戶子程序功能，插入了包括動態再結晶過程的熱粘塑性本構模型。With the development of computer aided engineering ( cae ) technology, cae software is used widely mechanics, automobile, aeronautics, astronautics etc. cae software can be used thermal fluent analysis, dynamical simulation of mechanism, whole vehicle simulation, metal sheet forming simulation etc. to satisfy the more and more requirement of engineering application, the models for cae software to construct and use is becoming bigger and more complicate
隨著計算機輔助工程（ computeraidedengineering ，簡稱cae ）技術的發展， cae軟體在機械、汽車、航空、航天等領域得到了廣泛的應用，用於熱流分析、機械動力模擬、整車模擬、大型板料沖壓成形模擬等。為了滿足工程應用對cae分析越來越高的要求， cae軟體構造和使用的模型越來越復雜、數據量越來越大，數據復雜度的提高不僅十分不利於存儲和傳輸，也影響了模型顯示的實時性。Using commercial finite element software ansys, the numerical simulations of the forming processes of decorated rib and handle, which are key positions in the door outer are conducted and investigated the differences of vpf and tradition forming. by using numerical simulation that investigates the effects of viscous injection flow rate on plank ’ s vpf formability and based on those investigated four - aluminum alloy ’ s vpf. the die has been designed for the door outer ’ s viscous pressure forming
首先採用商用有限元分析軟體ansys對車門成形中的關鍵部位裝飾筋和把手的成形進行了數值模擬，對比分析了粘性介質壓力成形與剛性模成形的特點;分析了粘性介質壓力成形過程中，粘性介質的注入速率對成形試件壁厚分佈的影響，在此基礎上對四種常用的6000系列鋁合金板材的粘性介質壓力成形進行了有限元數值模擬。分享友人