擠壓比 的英文怎麼說
中文拼音 [jǐyābǐ]
擠壓比
英文
extrusion ratio-
This was compared with a block of iron squeezed on an anvil.
這可與一塊放在鐵砧上受擠壓的鐵相比照。( 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。In addition, it was the sign of the initial amplitude growth rate, not the manner of the interface motion that determined whether the amplitude could increase. at weakly nonlinear stage, mode - coupling equations were derived in cylindrical and spherical geometries. it showed that the nonlinear terms were inversely proportional to the position of the interface in cylindrical and spherical geometries
在弱非線性階段,推導了柱和球幾何中模耦合方程,結果表明:非線性作用項反比于界面的位置,界面的位置越小,非線性作用越強,反之越弱;同時柱幾何中模耦合方程的解表明,在收縮幾何中,擾動在界面兩側的發展是不對稱的,在弱非線性階段,不穩定性向內發展的部分受到慣性力的擠壓,而向外發展的部分受到慣性力的拉伸。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。Abstract : to decrease bending and twist deformation of non - sym metry extruded sections, a new conception of local extrusion ratio and die band ratio has been set up, and also the formulas for the place of die hole on the ba sis of simulating test
文摘:為減小非對稱型材擠壓的彎扭畸變,在試驗研究的基礎上,建立了局部擠壓比、擠壓帶系數的概念,擠壓筒中心與擠壓模孔型中心相對位置的計算式。The failure of manufacturing cu alloy valve body by die castin g and hot extrusi on casting were point out. characteristics of squeeze casting technology were exp ounded. application of squeeze casting to cu alloy valve body in gas fired applia nce and influence of specific pressure on properties of product were analyzed
指出了壓力鑄造及熱擠壓工藝生產銅合金閥體的缺點,闡述了擠壓鑄造工藝的特徵,介紹了擠壓鑄造在燃氣器具銅合金閥體上的應用,分析了比壓對產品性能的影響。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。The stress distributions under load or unload as well as under fatigue tension with or without split - sleeve were studied, so as to reveal the advantage of coldworking with split - sleeve
研究了帶襯套擠壓件在加載、御載及疲勞拉伸載荷狀態下的應力分佈,並和無襯套擠壓時的狀態進行比較,從機理上揭示了帶襯套擠壓在改善試件抗疲勞性能方面的優勢所在。Through experimental study on micro - structure and mechanical property of hot extruded tubes, the results indicate that the new technique can make tubes have the same level of microstructure and property as that of conventional technique, meanwhile the process is shortened and the cost is reduced
對鑄坯熱擠壓荒管的組織和性能的研究結果表明:採用此新工藝可獲得組織和性能均與傳統工藝水平相當的不銹鋼荒管,而且新工藝比傳統工藝流程短、生產成本低。In addition, the principle for increasing extrusion pressure and determining way for key parameters on each sub - zone was discussed
通過深入分析,得出了個分區關鍵參數的設計準則與確定方法,探討了提高擠壓力的措施,最後通過與實驗結果的比較驗證了其工程應用價值。Based on analysis of geology and geomorphology of the region and study on structure and revolution of the two faults, a strain partition model is built to adjust the strike slipping and compressional deformation of the area
通過區域地質、地貌分析和二條斷裂帶的結構、活動歷史的對比研究,建立了該區走滑和擠壓活動的應變分配模型。The relations, such as the tensile strength of extrusion products to extrusion ratio and contents of powder strengthen materials, the practical load of powder extrusion to contents of powder strengthen materials, extrusion ratio and extrusion velocity, were given by this dissertation
論文給出了實驗過程中擠壓製品的抗拉強度與擠壓比、顆粒增強材料含量之間的關系,粉末擠壓所需的實際擠壓力與顆粒增強材料含量、擠壓比、擠壓速度之間的關系等。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The research results indicate that the resistant starch of extruded rice adjunct was 0. 27 % and 6. 17 % less than that of tradition cooking method and raw grain rice respectively
研究結果表明,擠壓蒸煮大米啤酒輔料比傳統工藝中抗性澱粉含量減少約0 . 27 % ,比原料中抗性澱粉含量減少6 . 17 % 。The ground base of the newly added chute in 4 tailings reservoir at dexing copper mine is characterised by thick weathered layer, loose structure, fractured zone and landslip mass accumulation. as a result, the ground has a great subsidence and inefficient carrying capacity. in view of this, the grouting technology was adopted to reinforce the chute ground base. the on - site testing shows that the subsidence of the chute has been efficiently controlled and the carrying capacity of the ground base improved so that the stability requirement has been met
潘洛鐵礦主要使用的采礦方法是淺眼落礦的全面法和留礦全面法. 23礦體160m以上礦段上部為氧化礦和風化巖層,形成擠壓爆破和鬆散巖石覆蓋下的放礦條件.介紹了無底柱分段崩落法在該礦體開采中的應用.實際使用獲得的各項技術經濟指標還比較理想The operating rate of extrusion machine in china is only 35 % or so, which falls long distance behind of the developed countries " level, and is less 30 % than the world average operating rate. over the 90 % of china ' s aluminum section for building belong to the low level product, the rate of high additional value product is low, and is lack of the famous brand
而中國擠壓機的開工率僅為35 %左右,遠遠落後于發達國家水平,比世界平均利用率低30個百分點。我國建築鋁型材90 %以上在國際市場上屬低檔產品,高附加值產品比重低,缺乏著名品牌。缺乏國際競爭力。The secondly, based upon the laboratory soil tests, definite the parameter of the kondner model and the loess compaction model, using fortran power station to compile the finite element programmed of axial symmetry. through trial calculate with the different squeeze stress and different poisson ratio, got some laws of stress of soil surrounding pile and judged the result of compaction pile. the result of the calculation and analysis and valuable to designer and builder
同時通過室內試驗確定了特定區域黃土的鄧肯-張模型參數和黃土擠密模型,採用fortranpowerstation ,按軸對稱問題編制了存限元程序,通過採用不同的擠壓力和不同的泊松比的程序試算,得到了一些樁周土體的應力變化規律,並對擠密樁破壞半徑內的土體擠密效果進行了判定,計算與分析結果可供設計施工人員參考。2. the room temperature tensile strength of alloy made by mlsd relate to the extrusion temperature and the extrusion reduction ratio, with high temperature and reduction ratio, the tensile strength becomes low
二、多層噴射沉積過共晶a1 - si合金的室溫強度與擠壓溫度和擠壓比有關,擠壓溫度越高,合金的強度會降低。Standard test method for extrusion rate of elastomeric sealants
彈性密封件擠壓比的標準試驗方法The optimal extrusion parameters are as following : extrusion temperature is 375 - 400 ?, the reduction ratio is 25 : 1
該合金的最佳擠壓工藝參數為,擠壓溫度為375 - 400 ,擠壓比為25 : 1 。分享友人