拉模板 的英文怎麼說
中文拼音 [lāmóbǎn]
拉模板
英文
[冶金學] draw ring; drawplate; die plate; drawing block; drawing plate; drawing-out frame; whirtle plate; wire-drawing block-
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。A die plate for flattening metal into strips, as in the manufacture of watch springs
扁條拉模一種用來拉平鋼條的模板,如用於生產手錶發條的模板The predictions have been compared with experiments and the results indicated that the adaptive variable blank holder force can be used to improve the sheet metal forming processes
本文通過數值模擬的方法把變壓邊力的壓邊方式應用到拉深過程,並和實際情況相比較,發現合理的變壓邊力能改善板材的成形性能。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。In - depth knowledge of supplier base in the following manufacturing processes / products : investment / lost - wax / precision casting, zinc die - castings, aluminum casting ( gravity & pressure ), iron casting, permanent mold casting, sand casting, powdered metallurgy, mim, steel forging, brass forging, cold forming, stamping, deep drawing, fine blanking, machining ( milling, turning, etc. ), sheet metal fabrication, screw machining, cnc machining, mould making, tool & die, assembly, fasteners, springs, etc
對以下金屬製造工藝/零部件的供應商有資深專業經驗:脫蠟/精鑄件,鋅合金壓鑄件,鋁鑄件(澆鑄或壓鑄) ,鐵鑄件,永久模鑄件,沙鑄,粉狀冶金零件,金屬粉末注射成形件,鋼鐵鍛造,黃銅鍛造,冷鍛/冷鐓,沖壓件,拉深引深件,精密下料,機加件(自動車,數控機床,銑,車,磨等) ,板金件,制模及模具裝配、標準件,彈簧類。Main product : tungsten carbide powder, roll ring, anvil and cylinder, mining button bit, dies nib for various application : cold heading dies, drawing dies and non - magnetic carbide dies. all of the products mentioned above could be offered in blank or finishing product
公司主要產品有:碳化鎢粉硬質合金輥環頂錘和壓缸冷鐓模無磁合金礦山柱拉絲拉管模棒材板材非標模具及硬質合金精密加工產品等,廣泛應用於鋼鐵標準件金剛石粉末冶金石油礦山磁性材料機械加工電子等行業。Firstly, for the system of moulding board and support frame in construction the side pressure and screws are analyzed. the material and structure form of support frame are discussed. the design of support frame uses the method of limited state, and also it analyses the integer stability, part stability, and single stability, and then proposes the load analysis of multi - level support frame
首先,針對轉換層梁模體系及支撐架施工,重點分析了轉換層結構現澆混凝土對模板側壓力值及模板對拉螺桿的計算;討論了轉換層支撐體系的形式及構造,詳細論述了基於極限狀態設計的支撐架計算方法,包括縱橫向水平桿的強度驗算、立桿的整體穩定性、局部穩定性、單肢桿件穩定性等驗算,並提出了多層支撐架的施工荷載計算方法。Sem, transmission electron microscopy ( tem ), x - ray energy - dispersion analysis ( edax ), xrd, electron diffraction ( ed ) and high - resolution electron microscopy ( hrem ) were used to investigate the morphology, atomic composition and crystal structure of the nanowires. the hexagonal cdse nanowires with single crystal structure have been obtained in dmso under 140. ( 3 ) semiconductor te and cdte nanowires embedded in aao templates were fabricated for the first time by dc < wp = 7 > electrodeposition in ethylene glycol
Sem 、 tem 、 edax 、 xrd 、 ed 、 hrem分析的結果表明,所得cdse納米線為六方晶型,晶體的( 001 )晶面沿平行於基底的方向擇優生長,且隨沉積溫度的降低,這種擇優生長的趨勢越來越強;納米線晶體在生長時,由於受aao模板孔徑的限制,形成c軸方向拉長的晶粒,其長徑比達5 1以上;晶體的大小和完善程度隨沉積溫度的降低而增大, 185沉積得到多晶六方cdse納米線,而140沉積時可得到六方cdse單晶納米線。Nanoselenium was synthesized using acacia gum ( ag ) as the template. 6
以阿拉伯膠為模板制備納米硒,並對其進行表徵。During construction procedure, the stressing of diaphragm beams " tendons and the tensioning of cables interact, the contacting nonlinear issues between girder and form plate etc, which require detailed analysis, arrange the orders and quantities of the stressing of the cables and tendons properly, and guide the construction. the paper, by making plane model and spacial model of yongan bridge, calculated the pre - closure cable forces ( aim forces ) with plane element program, with the help of applied structure analysis program - ansys, acquired the reasonable construction steps of tensioning of tendons and cables
本論文採用自編平面桿系施工裝配計算程序和大型結構分析程序- ansys ,通過分別建立該橋的平面和空間模型(含模板的作用模擬) ,由平面桿系程序倒拆出斜拉索合攏前的索力(目標索力) ,利用ansys結構分析程序,經過多次的施工過程模擬計算之後得出達到目標索力的合理的施工步驟。Machining deformation of aircraft monolithic component is simulated by finite element method ( fem ) and validated by experiment. the initial residual stress in pre - stretched plate is generated by simulating quenching and stretching processes. with a single tool - tooth milling process fem, the machining loads in monolithic component material removing is obtained. restart - calculation is put forward to complete the whole simulation of machining process. to verify the fem result, an experiment is carried out. the deformation distribution of the monolithic component resulting from fem shows a good agreement with the experiment result, which indicates that the key technologies presented in the paper are practicable and can be used to simulate the milling process of monolithic component to predict its deformation. lengthy and expensive trial and error experiment process can be avoided
在模擬淬火、拉伸過程獲得含有初始殘余應力的預拉伸板材以及模擬單齒切削過程獲得切削載荷的基礎上,提出並採用接力演算法,對一航空整體結構件的材料銑削過程進行有限元模擬,同時進行了試驗研究.結果表明,有限元模擬的整體結構件的變形與試驗具有一致性,從而證明提出的整體結構件加工模擬關鍵技術的可行性,避免了為研究加工變形而進行的繁瑣的試錯法In engineering construction, the unbonded tendons can be laid within moulding board like non - prestressed steel according to the designing requirements and can be tensioned and anchored when the concrete reaches designing strength
在施工時,無粘結筋可如同非預應力鋼筋一樣,按設計要求鋪放在模板內,待混凝土達到設計強度要求后,再張拉錨固。Form ties bolt bore : bore drilling should be done when first time used form plate assembling on site to keep away from steel bar and reduce blank out bore happened
7對拉螺栓孔:第一次使用的模板應在現場組裝就位時鉆孔,以避開鋼筋,減少廢孔的出現。This paper mainly describes the constructions of the formwork which is used in the monorail transit system in chongqing, and indicates that during the track girders ' fabrication, it is very important to pay attention to steel fabrication, orientation of conduct for tendon passing, the mixing, molding and maintaining of the concrete and the stretching of the prestressed tendon
介紹了重慶市單軌交通系統中的預應力混凝土軌道梁模板的構造,並闡述了在軌道梁製作過程中應重點做好鋼筋製作、預應力管道定位、混凝土拌制、成型、養護及預應力筋張拉等工序的工作。" this is inhibits the reading. ribosomes need single - strand rna in order to start, " says gerhart wagner, professor of procaryote microbiology at uppsala university
烏普薩拉大學的原核微生物學家瓦格納教授說, 「這是一種抑制性的轉錄活動。核糖體需以單鏈rna為翻譯轉錄模板」 。In this paper, we investigated the aligned carbon nanotube grown on anodic aluminum oxide film ( aao ) and silicon substrates. the products were characterized by tem, sem, afm and raman spectroscopy, and so on. the effects of substrate preparation and treatment on acn growth and post - growth modifications of can grown on acn were also investigated
本研究組提出了合成定向納米碳管陣列酞菁銅復合光電薄膜的構想,本文主要研究多孔氧化鋁( aao )模板和硅基片上定向納米碳管的制備,用tem 、 sem 、 afm和拉曼光譜對納米碳管進行了表徵和分析,研究了模板制備和處理對納米碳管生長的影響以及定向納米碳管的后續修飾。It begins form the discussion the knowledge of the gaussian filter and the laplacian operator, which are the base of the marr method. and it is followed by the detail discussion of such as : the 2g ( laplacian of gaussian ) filter, the template log ( laplacian of gaussian ), the meaning of laplacian of gaussian in human vision, edge detection and neurophysiology. with different template to different size of target, the small target can be separated from the background by this small infrared target detection method
從marr演算法的理論基礎? ?高斯平滑濾波器與拉普拉斯運算元的相關知識以及M a r r的計算視覺理論基礎開始,進行了2g ( laplacianofgaussian ,高斯?拉普拉斯)濾波器、 log ( laplacianofgaussian ,高斯?拉普拉斯)模板以及2g濾波器在人類視覺、邊緣檢測、邊緣處理的物理意義以及神經生理學意義方面的分析討論,提出了易於fpga ( fieldprogrammablegatearray ,現場可編程門陣列)實現的基於marr計算視覺的紅外圖像小目標檢測方法。Wall form installation please see attached sketch no. - 4. expended cement mortar shall be used for sealing after form dismantled and pull bolts removed
墻板模板安裝見附圖4 。在模板拆除對拉螺栓拿出后,採用微膨脹水泥砂漿封堵。The tower shafts, most of which are hollow and varying in cross section, and altitudinal construction bring trouble to the form work and the stress of strand wire. and the cracks on the crossbeams will be caused by the following - deformation of the bracing structure joints, elastic deformation , uneven settlement and temperature changes. the additional stress of the base slab and the foundation is caused by the deviation of cable bent tower construction
但大跨度橋梁混凝土索塔施工設備進場及現場管理都比較困難;塔柱多為空心變截面,且為高空作業,給模板工程及預應力張拉帶來一定困難;支撐系統連接的間隙變形、彈性變形、不均勻沉降以及環境溫差可導致橫梁裂縫;索塔施工偏位會引起的承臺和基礎的附加應力,對加勁梁的架設影響大;懸吊結構未完體系(架設時)施工階段的風致振動往往影響到施工的安全和質量;實心塔柱部分體積較大,易產生溫度裂縫。Fibre - reinforced plastics - methods of producing test plates - part 6 : pultrusion moulding
纖維增強式塑料製品.試驗板的生產方法.第6部分:擠拉模製法分享友人