模壓成形件 的英文怎麼說
中文拼音 [móyāchéngxíngjiàn]
模壓成形件
英文
die formed parts-
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。The inside fashion of the sway oil pump stator is complex, its wall thickness is pockety and the metal flow law is difficult to master. at the present time, the investigation of warm extrusion forming technique for the nonuniform wall thickness forging has few to been done. the forming technique and die configuration which use for production have not achieve optimization
由於轉向油泵定子的內部形狀復雜,零件壁厚分佈不均,金屬流動規律難于掌握,目前人們對這種非均勻壁厚鍛件的溫擠壓成形工藝研究幾乎沒有,其成形工藝及生產用模具結構並未達到最優化。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。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。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 - 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。Based on the technological analysis of the auto front lamp holder plate with 3 angles, the layout for forming the part with a multi _ position progressive die and the structure of the die were put forward
在對汽車前燈座三角盤進行工藝分析的基礎上,提出了該零件多工位級進沖壓成形排樣方案及相應的模具結構。In the planning of the hydroforming process, the paper analyzes a representative automobile part to build up the cae simulation model of tube bending, preforming, and hydroforming, and discusses the influence of different preform designs on the final shape of the tube
在管件液壓成形製程規劃方面,本文選取了一具有代表性的汽車結構件進行分析,由原始的彎管、預成形、到液壓成形皆建立了cae模擬模式,並探討不同的預成形設計方式對管件最終成形之影響。During the temperature fields, the results indicate that the processing parameters such as the extrusion velocity, casting temperature, perform preheating temperature, die preheating temperature and so on are important for the temperature fields besides the dwell time. they are must be in concordance each other to the deforming zone is in the quasi - solid state, and the stable semi - solid extrusion is implemented. during the deforming fields, the hyperbolic sine thermo - rigid - viscoplastic fem model is selected according to the forming feature of the process, and the variations of the stress - strain fields are studied
在溫度場的模擬中,模擬結果表明,保壓時間是影響製件成形質量的關鍵因素之一,擠壓速度、液態金屬澆注溫度、預制體預熱溫度和模具預熱溫度等工藝參數對溫度場的影響也很大,需進行參數之間的協調,只有當變形區內部始終維持準固態時,才能實現穩定的液-固擠壓成形過程;在變形場的模擬中,根據液態浸滲擠壓的成形特徵,選用了雙曲正弦剛-粘塑性有限元計算模型,研究了變形過程中應力應變場的變化規律,研究了模角對變形和金屬流動的影響及變形力的變化過程和其影響因素。The results of this study can be a reference for related academic research and can also be used to develop related products for industry production
本文所獲得之研究成果可提供管件液壓成形業者進行製程規劃以及模具設計時的參考。Finite element simulation of large distortion and thin part in combined extrusion process
大擠壓比薄壁件復合擠壓成形工藝過程的數值模擬After several typical foreign desktop systems had been studied, mem ( melted extrusion manufacturing ) process was chosen as the molding process of the first rapid prototyping desktop system in china, mem200 - d, which combined our technical advantages and design experiences. by using the mechatronic design and modularization method, the system scheme design, layout design and part / assembly design have been achieved
作者在研究了國外多種典型的桌面化快速成形系統的工藝、特點之後,結合自身的技術優勢和設計經驗,選擇熔融擠壓製造工藝( meltedextrusionmanufacturing ,簡稱mem )作為國內第一臺桌面化快速成形系統mem200 - d的成形工藝,同時應用機械電子學產品設計方法,結合桌面化快速成形系統的特點,以模塊化設計思想完成了mem200 - d桌面化熔融擠壓成形系統的總體方案設計、結構布局設計和零部件設計。For normal workpiece formed by using sheet metal stamping, the blank and forming tools are all described with mesh in finite element methods ( fem )
摘要針對一般沖壓成形鈑金件,在有限元分析中將板料與成形模具統一採用網格表示。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。As the automobile industry ’ s growing, more and more aluminum alloys have used in the manufacturing of automobile and aluminum alloys replaced parts of steel planks used in automobile parts which is one of the key resources for light weighting of automobiles. but as aluminum alloys have some limitation in forming such as crinkle, fracture and difficult for welding, the industrial scale of aluminum alloys is limited
隨著汽車產業的發展,鋁材在汽車上的用量迅速增加,鋁合金取代部分鋼材成形汽車零件已經成為解決汽車輕量化的關鍵手段之一,然而由於鋁合金在傳統的沖壓成形中會出現難以消除的裂痕和褶皺,以及深沖性能比較差、焊接難度高等特點,使得鋁合金的大規模運用受到限制。Numerical simulation of the stamping forming process of refine business vehicle ' s inner panels
瑞風商務車托架零件沖壓成形過程的數值模擬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。According to the feature of the blank in forming process, a contact searching algorithm and how to do with the dynamic boundary condition based on this model are presented
根據板料在沖壓成形過程中的特徵,建立了在此模型基礎上的接觸搜索演算法和動態邊界條件的施加。A mechanical model of conical part stamping process is built under the conditions of considering thickness variation, anisotropy, work - hardening, friction factor and so on
摘要在綜合考慮板厚變化、各向異性、加工硬化及摩擦等因素的情況下,建立了圓錐形件沖壓成形過程的力學模型。Numerical simulation of the influence of material parameters on autobody panel stamping formability
材料參數對汽車覆蓋件沖壓成形性能影響的數值模擬分享友人