線料成形 的英文怎麼說
中文拼音 [xiànliàochéngxíng]
線料成形
英文
forming wire-
Formation methods of the dot fabric were analyzed in this paper from the aspect of the construction of a fabric, including twisting 、 using different raw material of different pyrocondensation 、 fancy yarn
摘要從織物經緯組合角度觀察分析了點紋織物的形成方法，有利用左右捻絲、加捻絲與無捻絲相互配合而成的點紋，不同熱縮性能原料並用而成的點紋，利用花式紗線而成顆粒狀點紋。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。The transition metal vanadates with special morphology were synthesized by the hydrothermal technique at low temperature, and characterized by sem, xrd, ir and eds technique. the regulations and affecting factors for the synthesis of the transition metal vanadates with special morphology were obtained and the route of low temperature synthesis was developed. most attentions were payed to the synthesis of transition metal vanadates
本論文採用水熱方法進行具有特殊形貌的釩酸鹽晶體的合成研究工作，初步探索具有特殊形貌過渡金屬的釩酸鹽晶體的合成規律，找出合成過程中的影響因素，開發過渡金屬釩酸鹽的低溫合成路線，合成具有特殊形貌的釩酸鹽的單晶，有利於發現新材料。Solving the wire loop profile for which nonlinearity mainly caused by plastic - elastic forming is a challenging work, a finite element model has been proposed to simulate the wire loop profiling, in which beam23 has been selected as calculating unit, and the trajectory of capillary is divided into many displacement loads and applied on the wire step by step
摘要針對引線成形過程中的材料非線性和幾何非線性問題，選用塑性變形梁beam23單元建立有限元模型，通過時引線分階段分步施加位移載荷模擬鍵合頭的運動軌跡，求解得到相應的引線輪廓形狀。The main results show that : ( 1 ) the mechanism of laser bending is very different from that in bending with hard tools. ( 2 ) the bending angle is varied along scanning direction, and there is a deformation wave in the process. ( 3 ) the effects of sheet length on bending can be neglected while the length is more than 10 times of thickness. ( 4 ) the sheet width has much higher influence on the bending process
分析發現：激光彎曲成形時板料的應力狀態與機械折彎時有根本不同；當激光束沿直線單向掃描時，板料兩端的彎曲角度不同；板料的長度大於10倍板厚或5倍光斑尺寸時，板長對彎曲角度的影響不再顯著；沿掃描方向，距離光斑中心3倍光斑尺寸以外的區域，仍然對彎曲變形量產生影響。Find the law of the influence from the injection pressure to the filling time and the cavity pressure and make certain of the best filling time, injection time and injection pressure. though the analysis of the flowing velocity and pressure spread of the key position element in the injection parts in different gate position, we forecast the injection parts quality and the possibility injection flaw and its position, optimize the gate position. in this paper, though the research of analogue of the runner system of metal - powder injection molding and the process of injection molding, we get the law of how the injection parameter influence the injection process
在相同的注射條件下，通過分析喂料在不同直徑和長度流道中的流動規律，得到了喂料在流道中的速度場、壓力場和溫度場，找到了流道長徑比的合理取值范圍，並得出通過改變流道設計可實現對現有設備資源充分利用的結論；給出了不同注射壓力下，型腔壓力與充模時間關系曲線和喂料熔體平均充填速度與充模時間關系的曲線，得到了注射壓力對充填時間和型腔壓力的影響規律，確定了最佳的充模時間、注射時間和注射壓力；通過分析採用不同位置澆口注射時注射件關鍵位置單元的流動速度和壓力分佈，預測了注射件的成形質量，或可能產生的注射缺陷及位置，優化了澆口設置。According to the special shape and operate requirements of the torpedo, the structure and moulding process of the torpedo shell are established, in which the body and overlay block with grooves are moulded by fiber winding, and close moulding respectively with the adhesive by limited stop compression. in the light of the selection of raw material system, composite system with outstanding performance are defined, based on which the mechanical properties are tested., with the overall consideration of structural characters and design demands, the main factors which may have effects on the strength and stability ( including stiffness section dimension, stiffeners space, skin thickness and skin lay angle ) is optimized one by one for the structure design parameters on the base of the fem model of skin, stiffness and layover block by fem. as a result, the prototype with 1 : 1 proportion and its structure and lay optimization design are completed. the moulding technology for polyurethane foam moulding the stiffened shell is obtai ned in terms of the design, manufacture moulding, experimental mould and tooling
依據在研產品特殊的外型結構和使用要求，確定了該型號水雷復合材料殼體的具體結構形式和復合成型工藝路線，即由纖維纏繞工藝成型主體異形件，閉模成型帶通槽外貼塊，用限位加壓工裝實現粘接的工藝路線；通過對原材料體系的篩選，確定了綜合性能較好的復合材料體系，以此為基礎進行了力學性能測試；運用有限元方法，建立了蒙皮、筋條和外貼塊的分析模型，綜合考慮結構特點和設計要求，對影響結構強度與穩定性的主要因素（包括筋截面尺寸、筋間距、蒙皮厚度、蒙皮鋪層角度）分別進行了結構設計參數的優選，最終完成了復合材料異形耐外壓殼體1 : 1樣件和縮比實驗件結構及鋪層優化設計；完成了聚氨酯泡沫胎成型內置加筋殼體的成型工藝技術研究；對縮比件進行外壓性能測試，並給出了應力、應變測試結果。According to the movement traces of yarn carriers on the braiding machine bed, a perform was divided into three regions, i. e. interior, surface and corner, and distinct control volumes were defined for each region. analyzing the control volume of each region, the yarn architecture of perform was described and three kinds of local unit cell were identified. then the relations between the braiding parameters of the perform were derived
根據編織過程中攜紗器的運動軌跡特點，將預成形件劃分為三個不同的區域，分別定義了不同的控制體積單元，識別了預成形件的兩種局部單胞模型，分析了預成形件的紗線構造，並導出了編織結構參數之間的關系，同時給出三維編織復合材料的設計方法。Flow mark is the imprint of the movement of melting materials and is in linear pattern to surround runners. the flow mark is resulted from fast condensation of materials inside the mold cavity and is the lines caused when the materials run in
流紋flow mark是熔融材料流動的痕跡，以澆口為中心而呈現條紋形狀，流紋是先注入模腔內之材料冷卻過快，而與其後流入之材料間形成界線所致。The point is one - dimensional, two - dimensional line is, according to the fractal thinking, in one - and two - dimensional infinite have a fractal dimension, and the point, and line itself is composed of two different forms, not points of lines, line, composition and it is impossible.
針對科學網上資料帖吧的一位網友問題:扯淡， ， ，點是一維的，線是二維的，根據分形的思想，在一維和二維中有無窮個分數維， ， ，點和線本身就是兩種不同的組成形式，點不能組成線，線更不可能組成點。 。 。Based on energy theory, wrinkling criterion in deep drawing for axisymmetric parts is derived to take geometry parameters, friction coefficient, material properties, and the law of critical blank - holder force ( bhf ) of side wall wrinkling in the constraint condition of initial wrinkling into account
從能量平衡原理出發，通過對屈服準則的線性化處理，推導了考慮幾何參數、摩擦系數和材料性能參數、板材皺曲時約束條件的軸對稱拉深成形過程中側壁起皺臨界壓邊力的變化規律，給出了皺曲判據。Aimed at the blank parts based on the ideal forming, the involved fe formulae based on the kinematics of the linear triangle membrane elements, with the node coordinates or node displacements of elements being unknown, are derived
針對基於理想成形的板料零件，推導了以節點坐標或節點位移為未知量的線性三角形薄膜單元的變形關系。Through the analysis of the relevant historical data from the year of 1952 to 1995, the paper presents the increasing trend 、 characteristics and present situation in the height and weight of the youngsters in hunan and provides some reference material for promoting the growth and development of the people in hunan province
通過對1952 1995年有關歷史資料的分析，發現湖南青少年身高、體重呈現加速增長趨勢，增長過程時間長，增長量大、速度快，增長量年齡曲線呈鐘形，但發育、成熟期前移，青年段生長停滯，瘦長型體格增多。It is pointed out that length of flown - in material ( lfm ), which flows into female die from underside of blank - holder during forming, is an external index of local forming resistance
提出將流入量（從壓料面下進入凹模型腔的局部材料線素長度）作為衡量局部成形阻力的指標。This article introduces the designs of commonly used bellows tube and the optimization designs of bellows tube aim at economizing the material cost. some parameters acquired from experience curve can be borked out by lagrange linearity insert method
本文介紹了波紋管常用波形的設計和以節約材料成本為目的對波形結構進行的優化設計，對設計公式中一些由經驗曲線獲得的參數，採用拉格朗日線性插值法進行求解。Therefore, it concluded that the geometry of coil and sheet metal had great influence on formability
本論文得到線圈及胚料的幾何形狀會明顯影響成形效果之結論。Abstract : in this paper, a kind of technological scheme for one - step precision forging spur gear with large module is put forward by using positive friction role. experiment, in which commercial pure lead is taken as test material, is done in the special die designed, and force vs. stroke curve is recorded. it is shown that positive friction role can efficiently make a contribution to the filling of the tooth cavity, but increase forming force
文摘:針對大模數直齒圓柱齒輪，提出了利用積極摩擦一步成形的工藝方案，並用工業純鉛作為試驗材料，在設計的專用模具上進行試驗，記錄了力? ?行程曲線，結果表明：利用積極摩擦作用能夠有效地保證直齒圓柱齒輪精鍛時齒腔充滿，但同時增加了變形力。There - for the non - linearity of boundary condition in fem of 3d sheet metal stamping is resolved
從而解決了三維板料沖壓成形過程有限元分析中的邊界條件非線性問題。In this paper, by using non - linear finite element software, ansys / ls - dyna, simulate a forming of auto fall to ground skeleton part, get the contour of the semi - finished product, forecast the change of the blank thickness and the probable wrinkling, cracking, and from the simulation of the spring - back, obtain the spring - back tendency. so, get technology parameters, which are inextricable to forming production. all these will pose great significant to production in theory and reality
本文運用非線性有限元軟體ansys ls - dyna對汽車落地骨架零件進行了沖壓成形的數值模擬，得出了毛坯外形，預測了成形過程中板料壁厚變化和可能出現的起皺、破裂現象，通過回彈模擬，預測了回彈趨勢，獲得了該類零件成形所需要的工藝參數，對實際生產具有一定的指導作用。This machine is willing to have a high production ability, the gum anticipates temperature low, the electric power consumes little, quality good, the petrochemistry even etc. characteristics, so used for the gum tube, inner tire broadly, tape inner pad layer, seal completely, electric wire, electric cable, protect the ware extrusion of a set of etc. rubber to prepare to take shape
用途介紹:本機具有生產能力高，膠料溫度低，電能消耗少，混合質量好，塑化均勻等特點，因此廣泛地用於膠管，內胎，膠帶內襯層，密封條，電線，電纜，護套等橡膠製品擠出預成形。分享友人