凹壓模 的英文怎麼說
中文拼音 [āoyāmó]
凹壓模
英文
cover die-
This article takes the lagrange equation as the principle, establishes mathematics modeling to the inertia brake vibration when it brakes, then simulates it with matlab. this paper educed the relation equations between, which are the inertia brake ' s friction coefficient of the brake ring and the friction disk, the mean radius, the braking force, rotation inertia of the driving top and the spline shaft, spiral climbing angle of the brake ' s concave - convex helicoid, the mean effort radius of the concave - convex helicoid, elasticity coefficient of the spring, quality of the driving top and the spline shaft, rotations inertia of the brake ' s rotation part besides the driving top and the spline shaft, suppresses sleeve. provides the theory basis for the inertia brake structure optimization
本文以拉格朗日方程為理論基礎，對慣性制動器在制動時的振動進行數學建模，然後用matlab對其進行模擬，得出了慣性制動器在制動時振動角頻率分別與制動環和摩擦片之間的摩擦系數、制動力的平均半徑、主動頂和花鍵軸的轉動慣量、慣性制動器的凹凸螺旋面的螺旋升角、凹凸螺旋面平均作用力的半徑、彈簧的彈性系數、主動頂和花鍵軸的質量、慣性制動器除主動頂和花鍵軸外其他部分的轉動慣量和、頂壓套的質量等慣性制動器各零部件的物理參數之間的關系，為慣性制動器的結構優化提供了理論依據。Based on the analysis of the advantage and disadvantage of both overseas and domestic closed cold forging equipment, closed cold forging equipment consisting of a nc precise forging hydropress and a set of hydraulic drive female die has been developed, hence realization of the precision die forging of key parts for car, such as bevel gears
摘要在分析了國內外現有閉式冷精鍛裝備的優缺點的基礎上，開發研製了數控精鍛液壓機和液壓傳動凹模模具裝置，構成閉式冷精鍛設備，實現了圓錐齒輪等轎車關鍵零件的精密模鍛生產。( 6 ) in this paper. adopting fea software ansys to simulation and analysis the al ecap process. in order to spread out studying of ecap in the future. the results show : die comer angle, the radius of round angle, the friction coffience of workpiece and die, the properties of die ( elastic modulus, possion ratio ) et al, have some degree impact on the deformation of materials
（ 6 ）採用有限元（ fea ）分析軟體ansys對al的擠壓過程進行ecap模擬與分析，為后續研究工作做好鋪墊，分析結果表明：外切角、圓角半徑、試樣與凹模之間的摩擦系數、凹模本身的特性（如彈性模量、泊松比等）等等，對材料的變形量都由不同程度的影響。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。The springback angle increases with the increase of the punch round radius and clearances between the punch and the die while decreases with increase of the blank holder force, sheet thickness, friction coefficient and material hardening exponent
回彈角隨凸模圓角半徑和凸凹模間隙的增大而增大，隨壓邊力、板料厚度、摩擦系數和材料硬化指數的增大而減小。A world leader in manufacturing of : rotogravure presses for printing of magazines, rotogravure and flexo presses for printing and converting of packaging materials, platen and rotary die cutters for sheet / web fed carton board, flexo presses for printing of newspapers
義大利賽魯迪印刷集團作為世界上最大的凹版和柔性版印刷機製造商之一和公認的凹版和柔性版印刷行業的領導者，主要產品有：出版用凹版印刷機、包裝用凹版和柔性版印刷機、平壓和圓壓模切機、報紙用柔性版印刷機等。The meso - cenozoic evolution of bachu fault - uplift is closely related to its south and north subsiding foredeep. under the background of indian plate subducting under asia - europe plate, bachu forebulge was greatly affected by the development of southwest depression and awati depression. almost all of its structure reversed, and as a result of it, both of its south and north boundary migrated. according to its evolution history and its feature, the authors tentatively use both - side migration model to interpret the evolution of compound forebulge. since triassic, almost all the spheres above lithosphere synchronously became flexure. because transpressional stress field became increasingly strong, bachu forebulge continued uplifting and big faults formed. then, bachu uplift, as a whole, slipped upward along those big faults and showed migrating toward thrust zone in plane. in tectonic tranquility, the lithosphere bounded back and in consequence of it, bachu uplift slipped down and showed migration toward craton, at that moment negative inversion structures developed. while the forebulge migrated toward its south and north foredeep, it was very possible that locally extensional stress appeared in the forebulge
在印度板塊向歐亞板塊俯沖的大背景下，巴楚前緣斷隆受西南坳陷和阿瓦提凹陷的影響，新生代時構造體制發生反轉，邊界向南北遷移。根據其發育過程特徵，作者用復合前緣隆起兩端遷移模式對復合前緣隆起獨特的構造發育史進行了解釋：即三疊紀以來巖石圈各圈層同步撓曲變形。隨著擠壓應力場的增大，巴楚隆起在撓曲基礎上不斷抬升，形成幾條大型斷裂帶。Based on the hydrodynamic energy transport model, the influence of variation of negative junction depth caused by concave depth on the characteristics of deep - sub - micron pmosfet has been studied. the results are explained by the interior physical mechanism and compared with that caused by the source / drain depth. research results indicate that with the increase of negative junction depth ( due to the increase of groove depth ), the threshold voltage increases, the sub - threshold characteristics and the drain current driving capability degrade, and the hot carrier immunity becomes better in deep - sub - micron pmosfet. the short - channel - effect suppression and hot - carrier - effect immunity are better, while the degradation of drain current driving ability is smaller than those with the increase of depth of negative junction caused by source / drain junction shallow. so the variation of concave depth is of great advantage to improve the characteristics of grooved - gate mosfet
基於能量輸運模型對由凹槽深度改變引起的負結深的變化對深亞微米槽柵pmosfet性能的影響進行了分析，對所得結果從器件內部物理機制上進行了討論，最後與由漏源結深變化導致的負結深的改變對器件特性的影響進行了對比.研究結果表明隨著負結深（凹槽深度）的增大，槽柵器件的閾值電壓升高，亞閾斜率退化，漏極驅動能力減弱，器件短溝道效應的抑制更為有效，抗熱載流子性能的提高較大，且器件的漏極驅動能力的退化要比改變結深小.因此，改變槽深加大負結深更有利於器件性能的提高Considering the similitude law for shaking table test, we study the test results and obtain some conclusions which are a ) generally, the silty soil in test box liquefies and the liquefied time has relation with the amplitude of acceleration, b ) when the intensity is on and above eight degree, the silty soil deposit will be liquefied dramatically, c ) the relationship of the pore water pressure is relevant to the cycle loading which represents when the cycle loading ranges from little to great, the relationship is represent as a concave curve, or else as a protruding curve and tends to stability. ( 3 ) based on the triaxial compression test and the resonant column test, some studies are made such as a ) the duncan - chang parameters of constitutive model, b ) the dynamic shear modulus ratio and c ) the damping ratio of the site soil deposits. in order to deal with the test data, a computer program is compiled
（ 2 ）利用小型振動臺進行了k _ 0固結狀態下粉土的振動液化模擬研究，通過分析正弦荷載作用下的試驗資料，驗證了粉土的孔隙水壓力增長模式的合理性；從微分方程推導了基於土體振動臺模型試驗的相似律，並從模型實體、孔壓時程曲線和相似律等方面做出了分析，得出了如下結論：在小型振動臺試驗中，模型箱中的粉土都發生了液化，液化的時刻和輸入加速度幅值有關，而對頻率的變化不太敏感；粉土在相當於8 9度地震烈度的加速度幅值作用下可能產生嚴重的液化；孔壓的增長曲線形狀與施加的荷載有關：當施加荷載為由小到大的形式時，曲線形狀為上凹的曲線；當施加荷載為等幅的正弦荷載或荷載幅值由大到小時，曲線形狀為上凸的曲線，且逐漸趨于穩定。Our products such as wy1920 folio sheeted single color rotogravure, wy21040 folio sheeted double color ( multiple color ) rotogravure, series of tyy auto rotary foil stamping 、 rsg1020 / 920 sheeted flexo ( coating ) press 、 mq1020auto die - cutting machine and jp920 sheeted quality detecting machine are the ideal selections for printing and packing enterprise
本公司先後推出的wy1920對開平張紙單色凹印機、 wy21040對開平張紙雙色（多色）凹印機和tyy系列全自動圓壓燙印機、 rsg1020 / 920柔版局部上光機、 mq1020平壓平自動模切機、 jp920印品質量檢驗機，是印刷包裝企業的理想選擇。Yinggete - bagemaode metamorphic core complex belt with three - layer construction is put forward, which evolved from late jurassic to cretaceous. the extensional simple shear model of the chagan fault depression is established. the tectonic evolution and the dynamics character of chagan fault depression and its adjacent mesozoic - cenozoic basins are discussed : at the end of triassic continental orogeny increased crust thickness crust uplift and denudation were happened ; jurassic was a period of local partly extensional collapse of erogenic belt and cretaceous was a period of widely extensional collapse of postorogenic erogenic belt ; cenozoic was a period of the development of stable intracontinental depression with the character of long distant collision response and weaked compression flexure
討論了查干凹陷及鄰區中-新生代盆地構造演化及其地球動力學特徵，三疊紀（印支期）為陸內造山作用與地殼增厚、隆升剝蝕階段；侏羅紀（燕山早期）為造山後造山帶的局部伸展垮塌階段；白堊紀（燕山晚期）為造山期后大規模伸展垮塌作用與伸展盆地的發育階段；新生代（喜山期）為遠距離碰撞效應與弱擠壓撓曲性質的穩定大陸內坳陷的發育階段。During late mesozoic and cenozoic, extensions were widespread in eastern china and adjacent areas. the induced compressions and extensions, uplifting and subsidence as well as large - scale magamatism, increased the pre - existing ne - nne trending faults, uplifts and subsidence belts. this is how ; the giant transform structure led to the formation of xihu depression
在晚中生代與新生代，拉張作用廣泛分佈於中國東部及鄰區，導致了擠壓與拉張、隆起與沉降以及大規模的巖漿作用，於是使早先存在的北東北北東向斷層、隆起帶與沉降帶增強，這也是大的轉換斷層形成西湖凹陷地層的機理。Force of tube extrusion about the different curved die induced using the method of balance of work
功平衡法求解不同型線凹模管材擠壓力Nonce, the system of diagenetic numerical modeling for the stratum under the conditions of normal pressure has been set up. in lots of sags rich of petroleum in the basins of eastern china, such as qibei sag of bohaiwan basin, there are plenty of deep - buried overpressure reservoir
但在中國東部許多盆地的富油氣凹陷，如渤海灣盆地歧北凹陷，油氣藏分佈在深層超壓地層中，超壓條件下成巖作用的數值模擬尚不完善，更不用說孔隙度預測了。The result indicates that from the north to the south, from the east to the west, the seal ability of four caprocks is better and better, the good seal areas of caprock distributes in heiyupao sag and its south. based on the research of the seal mechanism of the faults, this paper researched the vertical seal of t1 and t2 fautlts in binbei region by means of the mudstone content in fault zone and the pressure of fault plane. the result indicates the good seal areas of t2 fault for gas and oil distribute in daqing - anda and their north of binbei region, the good seal areas of t | fault for gas and oil distribute in wuyuer and heiyupao sags of binbei region
本文通過濱北地區青山口組和嫩一、二段蓋層宏觀發育和微觀封閉能力分析，利用模糊數學綜合評價方法對濱北地區青山口組和嫩一、二段泥巖蓋層的封蓋能力進行了評價，結果表明這四套蓋層封蓋能力從北向南，從東向西逐漸變好。好蓋層封蓋能力區主要分佈於黑魚泡凹陷及其以南地區。在斷層封閉機理研究的基礎上，利用斷層面壓力和斷面填充泥質含量研究了濱北地區t _ 2層和t _ 1層斷層封閉性，結果表明濱北地區t _ 2斷層好的封油氣區位於大慶?安達以北局部地區， t _ 1層斷層好的封油氣區位於烏裕爾、黑魚泡凹陷處。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。One kind is a new student firm childbirth goes out, one is roused on the head " bag ", feel soft with fingerprint, press have cave, 2 - 3 queen of heaven disappears completely
一種是新生兒剛娩出，頭上就鼓起一個「包」 ，用手模感到柔軟，壓之有凹陷， 2 - 3天後完全消失。Then, this thesis concerns with the wavelet transform and its application in power system and compare the deficiency vs strongpoint between the fourier transform, short - time fourier transform. this article point out that wavelet transform fit for non - stationary signals analysis and put it into the measurement of voltage sag. based on the comparion of several algorithm of voltage sag measurement in the literature, the thesis put up a new voltage sag measurement algorithm - - - combination of wavlet transform and root - mean - square. the thesis validate the algorithm according to simulation and actual measuring data
並將小波分析用於電壓凹陷的測量中。在詳細對比了現有文獻上已有的幾種凹陷檢測演算法的基礎上，提出了有效值與小波分析相結合的電壓凹陷測量演算法，文章對小波函數的選取，處理時的去噪，分解尺度的確定等問題進行了詳細的論述，從而實現了本文提出的電壓凹陷定義的測量。根據實測數據和模擬數據，對該演算法進行了驗證，證明該演算法是可行的。Based on the above algorithm, a preprocessing software system special for computer simulation of sheet metal forming processes has been developed. for giving cad model of tool surfaces, the algorithm provided in this paper can fully automatically generate quadrilateral finite element meshes from nc track points of tool surfaces, which include the punch, the blank holder, the blank and the die
對于給定的cad模型，本文通過cam數控編程獲得的nc軌跡，能夠自動生成沖頭、壓邊圈、板料和凹模的全四邊形網格，避免了基於cad模型網格生成演算法通常所需的幾何修復時間，大大提高了cae建模效率，降低了建模勞動強度。Application of fuzzy recognition method to wuliyastai depression reservoir fracturing
模糊識別方法在烏里亞斯太凹陷油藏壓裂中的應用分享友人