沖壓下料 的英文怎麼說
中文拼音 [chōngyāxiàliào]
沖壓下料
英文
bar stock cutting by punching-
Secondly, based on the microbeam analytical technique, on the one hand, through investigating the characteristic of major elements in the mantle minerals the author acquired the static information from mantle ; on the other hand, through multi - point analysis of a part of the minerals from mantle, the auther got dynamic information from mantle. finally, generalizating the fruits of this study and predecessors, the autor holds that the constituents of lithospheric mantle possibly includes spinel lherzolites, clinopyroxenites, websterite, dunite, harzburgites, garnet lherzite, phlogopite lherzite, eclogites, clinopyroxene megacrysts ; compared with east china and north china platform, the research field mantle shows the characteristics of higher degree of partial melting processes and more depleted mantle ; the. upper mantle beneath north hetian area is heterogeneous, with a tendency of deficit in a12o3 and lree from kaliyang in west hetian to the river basin of kalakshi river and yulongkashi river ; the subduction of the crust beneath north hetian has ever occurred in geological history and caused the mixing of mantle - crust ; the depth of the origination of basaltic magmas beneath north hetian exceeds 73km ; the thickness of the lithosphere beneath the research area amounts to 204. 9km ; the mantle beneath north hetian has geological condtions for forming diamond deposits
最後,綜合本區幔源礦物和地幔巖石的特徵以及地球物理資料,得出如下結論:本區上地幔的物質組成有尖晶石二輝橄欖巖、二輝巖、單斜輝石巖、純橄欖巖、方輝橄欖巖、石榴石二輝橄欖巖、金雲母二輝橄欖巖、榴輝巖;與中國東部以及華北地臺上地幔相比,研究區上地幔具有富集主元素中相容元素和虧損其中的不相容元素的特徵,局部熔融程度較高;上地幔存在橫向和縱向的不均一性,從西部的克里陽到喀拉喀什河和玉龍喀什河流域, al和lree富集程度呈下降趨勢,不同來源的相同礦物中主元素的含量差異較大;地質歷史時期這里可能發生過地殼俯沖並產生殼幔混合作用;玄武巖漿的起源深度73km ;從幔源重砂礦物的溫壓估算結果,可以推斷出巖石圈厚度可達204 . 9km ;綜合巖石圈物質組成特徵、巖石圈熱狀態、地幔溫壓狀態、氧逸度以及幔源巖石和幔源礦物的化學成分,認為研究區具備了金剛石成礦地幔地質條件。Sicp / al matrix composites, with 5, 15 and 25 % volume fraction of sic particles, were prepared by vacuum hot - pressing sintering processing in this paper. based on mechanics properties, sem observation and energy dispersive x - ray analysis, the interface reaction phenomenon of sicp / al composites made by vacuum hot - pressing sintering, as well as the reinforcement and fracture mechanisms of this composite were analyzed. the dynamic responses of sipc / al composites were studied by a split hopkinson high - speed pressure bar impact system which strain rate was from quasistatic state strain rate ( 3. 3 10 - 3s - 1 ) to dynamic state strain rate ( 5. 2 103 s - 1 )
本研究以武裝直升飛機防護裝甲材料為研究對象,採用真空熱壓粉末冶金燒結工藝制備了含sic顆粒體積分數分別為5 、 15和25的sic顆粒增強鋁基復合材料,結合其力學性能、掃描電鏡和界面微區能譜分析結果,分析了sic _ p al復合材料的真空燒結過程中的界面現象,以及材料增強和斷裂機理,並利用hopkinson高速壓桿沖擊實驗系統對其從靜態到動態(應變率為3 . 3 10 ~ ( - 3 ) s ~ ( - 1 ) 5 . 2 10 ~ 3s ~ ( - 1 ) )的壓縮破壞響應進行了研究,分析了不同體積分數sic _ p al復合材料高應變率壓縮載荷下,材料的變形和微觀損傷機理,以及利用高速沖擊空氣炮測定了改復合材料制備剃度復合板的穿透性能。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。The result reveals that the stress control tube comprising a composite structure of the nonlinear resistive and capacitive material shows the best performance in uniforming the electric field distributions in cable terminations under impulse voltage
分析結果表明,在沖擊電壓下電纜終端採用由電容性和非線性電阻性材料復合絕緣結構的應力控制管時,電場分佈最為均勻。Toughening thermoset matrix composites with interlayered thermoplastic particles is an effective method to improve fracture toughness and impact resistance without sacrificing hot / wet properties. furthermore, transverse strength, fatigue resistance and solvent resistance can also be enhanced. drapability and tackness of interleaved prepreg is maintained as conventional level
對樹脂基體復合材料採取層間顆粒增韌是提高復合材料層壓板韌性、抗沖擊能力和抗分層能力的有效途徑,在保持原有復合材料濕熱性能的前提下,通過層間顆粒增韌,還可以改善垂直纖維方向的強度、抗疲勞性能以及耐溶劑性,並不影響原有的成型工藝。Principle of operationthe ring hammer granular crusher makes use of impact hitting hammer rings cross mounted on the rotating rotor to crush materiel. after first crushed by impact force of hammer rings, the materiel is then pressed, sheared and ground between crushing plate and ringhammers to the required granular product which flows off the screen, and those uncrushed such s tramp iron, wood pieces, stone etc will be brought into the tramp iron trap. this crusher features little blast wind, less vibration andlong, service life of vulnerable
工作原理環錘式破碎機利用旋轉的轉子帶動環錘對物料進行沖擊破碎,被沖擊后的物料又在環錘和破碎板、篩板之間受到壓縮、剪切、碾磨作用,使物料達到所需的粒度,被破碎后的物料經篩板的柵孔落下,不能被破碎的鐵塊、木塊、石塊等經撥料板撥進除鐵室.本機具有鼓風量小、振動值小,環錘等易損件壽命長等特點。Through the simulation of the forming process, we can get the deformations, stress, strain, plastic flowing in sheets and the interface state under impact load and rolling load, the deformation of the sawtooth form and comparing to the initial state, the results above are expressed in computer animated way. and the effect of geometrical ( mainly different form, including 90 degree, isoceles triangle , 75 degree, and 1. 5 high and wide ), material and technical parameters on the bond strength are analyzed, also including the comparison of different sawtooth form. the optimum parameters are got
對雙金屬復合板成型過程進行模擬,從而得到在沖擊載荷和軋輥壓力作用下基板和覆板的應力、應變分佈和塑性流動變形規律,復合后的齒形的變形情況與初始齒形形成對比,以動畫的方式模擬成型過程,並分析了不同幾何參數(主要是不同的齒型,其中包括直角齒型、等腰齒型、 75度齒型、 1 . 5高寬齒型) 、材料參數、工藝參數對復合強度的影響,以及不同齒型的變形對比以及齒型對復合情況的影響,提出最優齒型、最優工藝參數,有效地指導了實驗。The influence of microstructure on the flashover performance of alumina ceramics has been studied systematically through investigating the flashover performance of different alumina ceramic samples. experimental results reveal that the flashover performance is affected by the grain sizes and its dispersiveness. the smaller grain size is, the higher flashover performance ; the less dispersiveness of grain sizes is, the higher flashover performance
3 .通過研究用不同工藝制備的氧化鋁陶瓷絕緣子(同一材料配方不同燒成工藝、同樣氧化鋁含量不同添加劑)在沖擊電壓作用下在真空中的沿面閃絡特性和表面帶電特性,首次深入系統地探索了材料微觀結構對陶瓷材料沿面閃絡性能的影響規律。In this section the author analyses the rules of the pile ultimate tip resistance and the shaft friction resistance distribution and their exertion of cast - in - place socketed piles instrumented with strainometers in soft muddy rock. the second aspect of the paper is the analysis on the current rock pile vertical bearing capacity in the four standards gb50007 - 2002, tb 10002. 5 - 99, jtj024 - 85 and jgj94 - 94, then the design method with correlated formula of socketed piles in xigeda - mudstone is given. at the end of this paper, based on the research of pressure grouting technique in recent years, and combined with in - site test result, this paper puts forward the design and calculation method to grouted pile in xigeda - mudstone and the principle of choosing grouting parameters, which provid es experiences for applying this technique and further studying
本論文結合省級科研項目「西攀高速公路昔格達組泥巖層中鉆孔樁提高承載力的研究」 ,所做的研究工作主要在以下三個方面:一是根據8根樁身內埋設量測元件試樁的單樁豎向靜載荷試驗資料,分析了各試驗樁特別是常規沖孔灌注嵌巖樁在昔格達泥巖中的軸向力、側摩阻和樁端阻力的分佈和發揮規律;二是在討論現行規范對嵌巖樁承載力的計算公式的基礎上,探討了在昔格達泥巖層中的沖孔灌注嵌巖樁的側摩阻和端阻的計算方法,並推薦了相應的計算公式;最後,在吸取近年來對灌注樁后注漿技術研究成果的基礎上,結合現場試驗研究結果,分析了該項技術在昔格達巖層中的應用效果,提出了相應的參數選取,從而為壓力灌漿技術的工程應用和進一步研究提供經驗,並為今後在該地層中合理選用樁型以及指導施工提供了依據。Our subsidiaries hold a completed production line which including factories of iron ware, aluminum ware, stainless steel ware processing, iron ware surface processing, iron ware coat spraying, aluminum ware stamping. aluminum ware surface anode - oxygenating, aluminum ware teflon coat spraying, as well as plastic components molding, assembling, testing, and so forth. total 13 factories
屬下有明達鐵製品廠,鋁製品不銹鋼製品廠,鐵製品處理廠,鐵製品表面噴塑廠,鐵鋁製品沖壓廠,鋁製品陽極氧化表面處理廠,鐵製品teflon噴塗廠,電飯煲塑料部件注塑廠,電飯煲裝配廠,電飯煲檢查測試廠等十三家專業生產廠家。It takes one hour to get the factory from cbd, beijing city. it covers an area of 20, 000 square meters and workshops occupy 13, 000 square meters. the all - sealed workshops provide a clean environment for manufacturing, the safety detective equipment and strict quality control system ensures reliability and sanitation standards of products
工廠全封閉的生產車間確保了生產環境的清潔衛生,配套的生產設備匯集了當今所有軟性填充玩具的專用機械,形成從自動沖壓下料,縫紉製作,氣壓訂眼直至機械填充,已初步形成了以流水線作業方式為主的準機械化生產形式,確保了產品造型的一致性和產品質量的穩定性。Micro - adjusted lubricators can procvide an even double coat of lubrication to greatly improve the service life of die
沖壓材料能上下兩面薄薄均勻給油,可提高模具的壽命。Sintering speed increased greatly with the help of great quantity of heat of the molten iron, the great quantity of heat sent out from the carbonizing reaction and a little quantity of liquid, this sintering type is an instantaneous sintering, the sintering compacting can carry completely in a few minutes, the degree of sintering compacting is very high. ( 6 ) the vc - fe surface composite has high rigidity, it ' s rigidity exceeds 60hrc, under condition of dry sliding friction and overloading
鑄造燒結時,過熱鐵水的巨大熱流密度沖擊、粉料壓坯中的碳化反應的放熱以及壓坯中少量液相的產生使壓坯的燒結速度大大提高,此時屬瞬間液相燒結,在十幾分鐘內燒結過程即可完成,可達到很高的緻密化程度。 ( 6 )鑄態下vc一fe表面復合材料具有很高的硬度,其鑄態硬度) 60hrc 。There are great differences between ground test of a flight vehicle ' s aerodynamics and that of a dual - mode scramjet when ground test facilities are used to do experiments on a dual - mode scramjet engine, the components of incoming flow and its parameters, including total pressure, total temperature ( or total enthalpy ) and velocity must be simulated. at the same time, since the fuel ' s resident time within a combustor is very short, on the order of one millisecond, it is difficult to measure the flow - fields
進行雙模態沖壓發動機地面試驗研究時,必須要求試驗設備能模擬實際飛行條件下來流氣體的組分、總壓、總溫(或總焓)以及來流氣體的流動速度;同時由於燃料在燃燒室內駐留的時間很短,一般為毫秒量級,從而使流場物理量的測定顯得非常困難。Permissible limit deviation in dimensions without tolerance indication for shearing of metal plates
沖壓剪切下料未注公差尺寸的極限偏差The machine body can incline by certain angle so as to make it easy that the final forging and pressing products and waste materials slide from the die
壓力機的機身可以在一定范圍內傾斜,便於沖壓成品或廢料從沖模上滑下。Bar stock cutting by punching
沖壓下料In order to prolong the natural life of fracturing pump valve, this article do much basic research work on fracturing pump value. firstly, kinetic characteristics of fracturing pump valve are stated particularly and analysed. through stimulated experiment based on practical working conditions, the wearing disciplinarian and forms of impact particle wear about fracturing pump valve are researched by comparing it with pure impact wear and abrasive wear. furthermore, the wear mechanism of impact particle wear and particle erosion are analysed. in the end, by using the fenite element analyzing tool ansys, the distributing law of stress and strain of fracturing pump valve at the state of closing and during the process of impact are analysed carefully
詳細闡述和分析了它的運動特性;根據其實際工況,通過模擬試驗,研究了壓裂泵閥沖擊磨料磨損的磨損規律和磨損形式,並且將其與純沖擊磨損、滑動磨料磨損進行了對比;分析了壓裂泵閥的沖擊磨料磨損、沖蝕磨損等磨損機理;藉助ansys有限元分析工具,對泵閥關閉狀態下和沖擊過程中的應力應變分佈規律進行了詳細分析。Carbon nanotubes were separately synthesized by a new pulsed laser ablation ( pla ) for in - situ growth method and cvd support method in this paper. ft - ir, uv - vis, xfs, laman, tem, xrd, bet methods were used to characterize the sol, carbon nanotube and other products in the experiment. in the pla method, the sols containing carbon nanotubes were successively obtained by using 1064nm pulsed laser to ablate the interface of fe / c, or ni / c targets and ethanol under common temperature and pressure, and then carbon nanotubes were directly acquired by evaporating the ethanol
脈沖激光轟擊原位生長法是在常溫常壓下使用1064nm波長的脈沖激光轟擊目標靶與乙醇流動相的固液界面來連續制備含有碳納米管的溶膠,進而除去乙醇相得到碳納米管,其中目標靶為石墨與fe 、 ni等金屬催化劑混合壓製成的靶片; cvd基體法是使用自製的六方介孔mcm - 41多孔材料為基體,負載fe催化劑活性組分,通過cvd法催化裂解c2h2來生長碳納米管。Can save lubricant. special micro - adjusted lubricate capacity can be adjusted according to work
能配合沖壓材料做上下擺動,更能達到很好效能。分享友人