金屬成形 的英文怎麼說
中文拼音 [jīnzhǔchéngxíng]
金屬成形
英文
metal forming-
Detail specification of metal rhomb package for semiconductor integrated circuits
半導體集成電路金屬菱形外殼詳細規范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。In actual engineering problems such as metal forming, structure crashworthiness et al., there are a great number of interface problems with elasto - plastic large deformation. when such large deformation or distortion is solved by finite element method, it must remesh process must be developed to get the less accurate numerical result
在金屬成型、結構碰撞、穿甲等工程領域存在大量的彈塑性大變形接觸問題，用有限元法模擬這些過程時，由於變形畸變的存在，往往需要採用網格重劃分才能得到較為準確的計算結果。Direct metal forming based on plasma arc welding is a novel rapid prototyping process
摘要基於等離子弧焊的直接金屬成形方法是一種新型的快速成形工藝。Examination of the density, strength, hardness and microstructure showed that the mechanical properties and structure of the part made by direct metal forming process are better than that obtained from selective laser sintering process, as good as or even better than castings
對成形件進行的密度、強度和硬度指標測試和金相組織觀察表明：基於弧焊的直接金屬成形件的組織結構和力學性能指標明顯優于選擇性激光燒結工藝成形件，達到或高於鑄造零件。At the same time, using simulation results of dynaform to analyse stress and strain distributing of metal in the forming process, and gains curves of forming load in the different cases
同時利用dynaform的模擬結果，分析了金屬成形過程中的應力、變分佈，得到了不同情況下的成形載荷曲線。Early on, dense iron sank out of the magma oceans to form the metallic core, liberating enough gravitational energy to melt the entire planet
更早期的時候，較重的鐵自巖漿海中析出下沉，漸漸形成了金屬成份的地核，下沉時釋放出的重力位能足以把整個地球再次熔融。The study covers regional geology, the physicochemical conditions of cu - ag polymetallic mineralization area, transport forms of copper and silver, the ore - forming geochemical mechanism of cu & ag, the geochemical characters of major element, trace element and lanthanon in mineralization field, the ore - forming age and geochemical mode, and so on
研究內容包括：區域地質和礦田地質，銅銀多金屬礦形成的物理化學條件，銅銀遷移形式，銅銀富集的地球化學機理，礦田常量元素、微量元素和稀土元素地球化學特徵，白秧坪銅銀多金屬礦田成礦時代和地球化學模式等。Throughout researching it has been found that three main types of copper deposits, which mafic - ultramafic rock, marine volcanic rock and porphyry, with middle proterozoic, paleozoic and mesozoic in gansu, china. the cu - bearing formation, deep major faults and late structural - magmatic zones formed in specific geotectonic setting are main ore - controlling and metallogenic factors for copper, gold and polymetallic minerals in this area, and their convergent positions are effective ones formed ore bodies in space
通過研究認為：鎂鐵質-超鎂鐵質巖型、海相火山巖型及斑巖型三種銅礦類型，是甘肅的主要銅成礦類型，其主成礦階段為中元古代、古生代以及中生代；特定大地構造背景下形成的含礦建造、區域性深大斷裂以及後期斜向構造-巖漿活動帶，是該區銅、金及多金屬成礦的主要控礦因素，三者在空間上的復合是礦床體形成的有利部位。Northern three - river metallogenic belt is one of the most important nor - ferrous metal metallogenic belts in our country. reserves of cu, pb, zn, ag are very large. the area locates in arc bend of himalayan tectonic region, and is of unique tectonic character
西南三江北段成礦帶是我國最重要的有色金屬成礦帶之一， cu 、 pb 、 zn 、 ag儲量豐富，並且地處喜馬拉雅構造域的弧形拐彎地段，構造位置獨特。Machines for metal forming. form for consultation, enquiry and ordering of open - front and straight - sided mechanical presses for cold working of metals
金屬成形加工機械.金屬冷加工用拱式及鵝頸管機械壓力機詢價報價和訂購表格Abstract : the nature of carbon sludge remained during the producing of water glass from rice husk or rice straw is studied. the results show : during the producing of water glass, the new technology can get rid of metal impurties which have been formed undissolved compounds ; the undissolved compound can dissolved in acid ; the purity of water glass producing by new technology is as same as or higher than the purity of it wthich is produced by the tradional technology sometimes
文摘:對用稻殼、稻草制備水玻璃所剩餘的炭渣進行了分析，給出實驗結果.結果表明：金屬成分在水玻璃的制備過程中以難溶化合物的形式被除去；難溶化合物能與酸反應，轉化為可溶化合物；新技術制取的水玻璃溶液與傳統方法相比，純度相同，甚至更高The numerical simulation technology of metal forming is one of the pop domain in metal plastic forming, play a great effect in industry
金屬成形數值模擬是金屬塑性加工領域的熱門課題之一，在工業中發揮著巨大的作用。Xikuangshan type copper ore deposit named those fe - cu deposits hosted in yinmin formation, kunyang group, which located in kunyang rift valley and the edge of southwest yangzi platform. the best example is xikuangshan allotment, luoxue ore area, dongchuan, yunnan. the type deposit spread in south kunyang rift valley, include dongchuan, wuding - luoci, yuanjiang, yimen, huashengping, hongmenchang and so on
稀礦山式銅礦是指賦存在昆陽群因民組地層中的銅鐵礦床，其大地構造背景屬于元古代裂谷帶，大陸裂谷是超大型銅等多金屬礦形成和分佈的有利環境，在裂谷下部常發育異常地幔和巖漿源，裂谷空間上的多層次性使礦床具有明顯垂向分帶特徵，其演化時間的長期性、脈動性和繼承性便於多期成礦作用相互疊加、礦質的高度聚集。By using finite element simulation method and plastic distortion theory, the author analyzes the principle of the stretch bending forming and builds finite element model of rotary stretch bending
本文採用有限元模擬的方法，結合金屬成形的塑性變形理論，深入分析了拉彎的成形機理，建立了用於轉臺式拉彎成形模擬的有限元模型。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. but it is difficult to set up an accurate mathematical model because the process is a multivariable nonlinear time varying system. so this process ca n ' t be put into practical uses for the difficulties in process parameters control
復合材料管、棒材液-固擠壓成形工藝是近幾年發展起來的一種金屬成形新工藝，具有工序少、成本低、製件性能好等特點，應用前景廣闊，但該工藝是一多變量非線性時變系統，很難建立精確的數學模型，過程參數難于控制，限制了該工藝的實際應用。The current existing patents of the typical coaxial jetting nozzle systems for direct forming of metal deposition were analyzed, and the designing criterion of nozzle system was put forward with the combination of experiment
摘要分析了現有典型直接金屬成形同軸噴射噴頭系統的專利，結合試驗提出了噴頭系統的設計準則。It is the key to establish the control model for deformation path during the process of metal forming
而在金屬成形過程的應變路徑準確控制中，控制模型的建立是一關鍵。In this paper, the effect of friction force on metal forming parameters has been summarized based on some last research reports
摘要論文基於近期已發表的文獻，綜述了摩擦阻力對金屬成形參數的影響。It " s very essential to correctly determine the material parameter in constitutive model for appropriately analyzing and simulating the process of metal forming
正確確定本構模型中的物性參數是金屬成形過程準確分析和模擬的基礎。分享友人