模壓成形 的英文怎麼說
中文拼音 [móyāchéngxíng]
模壓成形
英文
die forming-
Specification for cellulose acetate butyrate molding and extrusion compounds
醋酸-丁酸纖維素模壓和擠壓成形化合物規范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。The main parameters ( extrusion ratio, temperature, article size, deformation velocity, configuration of die, lubrication etc. ) effecting powder extrusion formability and forming process of powder cladding wire have been analyzed
對影響粉末擠壓成形性能的主要參數(擠壓比、溫度、顆粒度、變形速率、模具入口形狀以及潤滑等)以及粉末包覆線成形的工藝作了定性的分析。Numerical simulation analysis on extrusion molding of rings of tapered roller bearings
圓錐滾子軸承套圈擠壓成形數值模擬分析Numerical simulation of cold extrusion molding process of propeller shaft involute spline
傳動軸漸開線花鍵冷擠壓成形過程數值模擬The cold extrusion process for the tin artworks and design of the die
錫制工藝品冷擠壓成形工藝及模具設計An effective simulation method for aluminum profile extrusion process
薄壁鋁型材擠壓成形的一種有效模擬方法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。The experimental study and numerical simulation have been done aiming at the problems of dieless thin - walled tube forming under combinatory action of internal pressure and axial force and loading control stability
摘要針對內壓和軸壓共同作用下的薄壁管無模內高壓成形及加載控制穩定性問題進行了實驗及數值模擬。Specification for insulating materials based on mica - specifications for individual materials - moulding micanite
雲母基絕緣材料規范.單項材料規范.模壓成形的人造雲母The study of the influence of the nonaxisymmetrical load in the progress of bamboo - fibre powder compression moulding with finite element
非軸對稱載荷對竹纖維粉體模壓成形影響的有限元研究The nano - bulk al should be kept more man 30 minutes at temperature no more than 300 to annealed which is much lower than that of ordinary aluminum materials
對納米鋁塊體材料的退火實驗表明,模壓成形的鋁塊體材料的退火溫度( 300 )比常規的鋁材( 400 )要低,退火保溫時間應在30分鐘以上。The density of the al bulk nanomaterials is only 75 percent of mat of normal ordinary coarse crystallized counterparts, which means there are a lot of holes or loosen structure in the nano - bulk al
通過模壓成形的納米金屬鋁和銅的塊體的密度只有普通體材料密度的75左右,表明得到的未經燒結的納米鋁塊體內部可能還存在很多孔隙或很多疏鬆的組織。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。Basesd on finite element analysis it presents the technology for numeric simulation of tube hydroforming, introduces the construction approach of analytical mode in numeric simulation of tube hydroforming
基於有限元法的管材液壓成形數值模擬技術發展的時間更短,有待進一步研究和發展。分享友人