重力焊 的英文怎麼說

中文拼音 [zhònghàn]
重力焊 英文
deck welding
  • : 重Ⅰ名詞(重量; 分量) weight Ⅱ動詞(重視) lay [place put] stress on; place value upon; attach im...
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  • : 動詞(用熔化的金屬修補金屬器物或使金屬工件連接起來) weld; solder
  • 重力 : [力學] gravity; force of gravity; gravity force; power of gravity; pull of gravity; gravitational...
  1. It is quite superb in weld - ability as proved by the excellent mechanical propertied. it can be used for welding key low - carbon steel structures, such as ships, bridges and pressure containers

    具有優異的接工藝性及良好的學性能,用於要的低碳結構,如造船,建築機械等,可全位置施
  2. Qishuyan locomotive & rolling stock works, situated in changzhou city, jiangsu province and founded in 1905, covers an area of 1, 760, 000 square meters, owns 4, 500 unitssets of various mechanical equipment, and possesses a comprehensive production capability of forging & casting, machining, riveting & welding, heat treatment, tooling & patterns and sophisticated measures for physical & chemical tests, metrological measurements & inspection. it is an important base for manufacturing artery dedicated diesel engine locomotives, freight wagous, heavy duty diesel engines and railway components, which have won the credit and trust from customers by their excellent quality and outsanding aftersales service and enjoy good sales throughout the country and in countries in europe and america

    公司介紹:戚墅堰機車車輛廠地處經濟發達、科技進步、風景秀麗、人傑地靈的江蘇省常州市,創建於1905年,佔地176萬平方米,擁有各類機器設備4500臺,具有鍛鑄、機加工、鉚、熱處理、工裝模具等綜合生產能,以及齊全的理化試驗、計量和檢測手段,是我國鐵路干線內燃機車、貨車、大功率柴油機和鐵路配件的要生產基地,以優質的產品和優良的服務羸得客戶信賴,產品銷售遍及全國並遠銷至歐美等國際市場。
  3. Space truss has developed rapidly in china and designer for its advantage has accepted the sphere soace grid. joints have play very important role in structure. generally, the weided hollow ball joints are adopted. but sometime they can not satisfy the requisition of structure. so a lot of people are busy searching for joints and fouding out all kinds of joints. a new joint - welded hollow truncated joint will be now in this paper

    在我國大空間、大跨度的結構越來越多,節點在空間結構中起著要的作用,接空心節點在網架、網殼等空間結構中被大量應用。本文研究的是一種新型的節點? ?接空心鼓形節點。 《網架結構設計與施工規程》 jgj7 - 91和《網殼結構技術規程》 jgj61 - 2003隻對空心球節點提出了承載的計算公式,而沒有引入鼓節點。
  4. It is proved that the connection and steel frame with beam flange dog - bone reduced have superior behavior to the frame of conventional design and the brittle failure is avoided in the steel frame. and conditions of stress development in the dog - bone, and the reason of the brittle failure in the rigid connections is obtained

    了解了狗骨處應發展狀況;探討了剛性連接發生脆性破壞的原因;並強調指出樑柱連接處縫的接質量,對能否發揮狗骨式削弱的作用,達到預期的設計目的是至關要的,必須予以視。
  5. The form display in chinese and can be operated easily. i has done the following works : ( 1 ) have innovated a computer control system of double - side automatic tig erect welding of aluminium alloy ; ( 2 ) analysed the key technics of the control system completely ; ( 3 ) designed the computer control system ; ( 4 ) solved some possible existing craftwork problems when welding the aliminium alloys ; ( 5 ) solved the existing problems of erect welding such as gravity ; ( 6 ) by the designing of hardware and software, the paper has solved the problem of high frequency interference to the computer control system, such makes the system work steadily ; ( 7 ) established the mode of imitating the dynamic process of welding

    本文主要在如下幾個方面做了一些工作: ( 1 )本文創新性地設計了鋁合金雙面自動tig立計算機控制系統( 2 )全面地分析了控制系統實施過程中的關鍵技術; ( 3 )微機控制系統的設計; ( 4 )解決鋁合金在自動接過程中工藝上可能存在的問題; ( 5 )解決立工藝中由於等導致的問題; ( 6 )通過硬體和軟體的設計,克服高頻干擾,從而確保控制系統的可靠性; ( 7 )設計的控制系統可以完成定位接,自動接和模擬接; ( 8 )接動態過程的辯識建模及系統模擬。
  6. This article introduced the development and ti - based brazing material used for titanium alloys, and analyzed the relationship between metallurgical structure and mechanical property of welding joint, mechanical behavior under high temperature 、 corrosion resisting property and fatigue capability of the joint were also represented

    本文介紹了鈦合金用的鈦基釬料的發展現狀,點評價了鈦基釬料釬后組織與學性能的關系,以及鈦基釬料的高溫學性能、耐蝕性以及疲勞性能等。
  7. And it investigates the appearance condition ( including joint, crack, eroding, corrosion, braking pole device rupture, crane - girder ' s gnawing railway and so on ) of the whole crane - girder system on the spot, at the same time, it also actually examines the stress of the beam, chemical ingredient, distortion and railway excursion, etc. through sampling, and based on the actually examined results, it checks and calculates the carrying capacity of crane - girder system. then, based on the investigating on the spot and the calculated result, it discusses the mechanism of fatigue failure of the upper part of welded steel crane - girder, analyses the reason of steel crane - girder in the high - frequency emerging the fatigue crack, institutes the strengthened method of damaged steel crane - girder of accurate packing up workshop of the primary mill plant. finally, it presents some advice and suggestions for the repairing and strengthening method of fatigue crack of upper part of steel crane - girder in the high - frequency

    針對包鋼初軋廠精整車間鋼吊車樑上部區域出現裂縫這一問題,本文首先綜述了國內外關于接鋼吊車樑上部區域疲勞裂縫的研究現狀;其次對整個吊車梁系統的外觀情況(包括連接、裂縫、腐蝕、銹蝕、制動桿件斷裂、吊車啃軌等)進行了現場調查,抽樣實測了梁的應、化學成分、變形及軌道偏移等,根據實測結果,對吊車梁系統的承載能進行了驗算;然後,根據現場調查及計算結果,探討了接鋼吊車樑上部區域疲勞破壞的機理,分析了級工作制鋼吊車梁出現疲勞裂縫的原因,制定了初軋廠精整車間破損鋼吊車梁的加固方案;最後就級工作制鋼吊車樑上部區域出現疲勞裂縫的修復與加固方案提出了一些意見和建議。
  8. Then an thorough computer modeling using finite element program with material, geometry and state triple - nonlinear taken into account is carried out on a series of influencing factors, such as comparison with npn - beam splice connection, comparison of varies designed theories, and the varying of fraction coefficient, diameter, grade, pretension and arrangement of bolts, thickness of web and flanges of beam and column, splicing location, axial loading on column, etc. lots of useful conclusions are drawn form computer modelling. finally, design and construction suggestions are given out. this study fills the black in the field of steel beam - to - column connection with cantilever beam high - strength bolted - splicing at both home and abroad

    然後,本文在考慮材料、幾何和狀態三非線性的基礎上,對該連接形式進行了全面的計算機模擬,主要考慮了帶懸臂梁段全螺栓拼接的樑柱連接節點與無拼接的樑柱連接及翼緣對接接腹板拼接的連接節點的對比,各種設計方法之間的對比,以及翼緣拼接和腹板拼接的螺栓間距、直徑和數量,拼接點與梁端之間的距離,梁和柱的翼緣、腹板厚度,柱的軸,接觸面的摩擦系數,翼緣和腹板拼接板的厚度等因素的影響。
  9. To meet this challenge, a research project was supported by ministry of communication and bv shanghai zhenhua port machinery co. ltd. focusing on analysis of tdtcd ( traditional design theories of crane drums ) the paper has studied the impacts of features under the binding force of wire ropes, the end - plate and rope slot. this study is based not only on the thin shell theory and viscoelastic mechanics to calculate the strength and stability of drum, but also on an experiment with technology in " state of act "

    本文結合交通部點科技項目「港口起機鋼絲繩傳動件高性能技術研究」和上海振華港機股份有限公司委託項目「起接捲筒極限壁厚研究」 ,針對起機捲筒傳統設計方法偏於保守的情況,以薄殼理論和近代學為基礎,以現代試驗技術為研究手段,對鋼絲繩緊箍作用下的外載特性、端板、繩槽等因素對捲筒強度和穩定性的影響進行了系統的理論研究,在深入開展捲筒強度、穩定性和實驗模態分析等試驗的基礎上,提出了有別于傳統方法的捲筒強度、穩定性計算方法。
  10. This paper discusses aluminium heat welding principle, the application of aluminium heat welding technology in welding crane rails and infect of long rail temperature stress on buildings

    摘要介紹了鋁熱原理及其長鋼軌技術在接起機軌道中的應用,並對長鋼軌溫度應對建築物的影響進行了深入分析。
  11. Recently, train is running faster and faster, and considering the stability and security, seamless welded rails ( swr ) are used as the train orbits gradually. the temperature of the rails will vary with weather. so that the rails may release the energy due to the metal characteristic of expanding or contracting with temperature, there is some badly distortion in the swr, worsly occurring accidents on expanding orbits. the portrait thermal stress ( pts ) of the swr should be monitored in some parts regularly, as to avoid such accident

    近年來,隨著火車的提速造成的穩定和安全問題,軌道逐步轉為採用無縫接鋼軌,隨著鋼軌溫度的變化,無縫鋼軌可能會因為熱脹或冷縮的金屬特性並且在扣件阻小而且路基較差的路段釋放能量,可能會發生鋼軌嚴變形,更甚者會發生脹軌跑道等嚴鐵道事故,為了避免發生如此事故,有必要定期對鋼軌的溫度應進行檢測。
  12. The conclusion of reappearing analysis is that crane bridge be used as usual because main weld maximum stress of upper cover plate of main beam lower than yield limit though it higher than permissible stress. inner stress of secondary beam was over ultimate strength, and deforming is ultra big. so it was unfit for produce and secondary beam must be changed

    再現分析得出的主要結論為:橋架的主樑上蓋板主縫的最大應超過了許用應,但小於屈服極限,可以繼續投入使用;副梁內部的應遠遠超過了強度極限,變形特別嚴,不能滿足生產要求,因此更換新的副梁;端梁內部的應超過了屈服極限,小於強度極限,在應較大的位置接補強板;投入使用后,要對整個橋架進行定期檢查。
  13. This article describes a way of special ultrasonic system which monitors thermal stress in seamless welded rails. this monitoring system is a non destructive testing system, which adopts avr mcu and high - precise time chip processing as the core of it, and adopts the critically refracted longitudinal wave as the object of measuring. my studying focuses on the theory of the monitoring system, which will be listed in this arctile : according to the snell theory, the theory of motivating of critically refracted longitudinal wave is described in details, and the finite element software is used to emulate the propagating course. the formulas of calculating the pts of swr are taken from the acoustoelasticity theory, and the calculating the parameters is introduced. according to assemble materials, three kinds of ways of monitoring the pts of swr using critically refracted longitudinal wave are described, which are measuring the sound - time in changeless distance, ultrasonic critical - angle refractomery and frequency spectrum, the first way of ways is used in this experiment system. the factors, which effect the monitoring system, are assaid in some degree based

    本文的研究工作點在無縫接鋼軌溫度應測量系統的理論模塊,包括根據snell原理,研究極限折射縱波的激發機理,並使用有限元軟體ansys進行模擬;根據聲彈性理論以及公式推導出計算無縫接鋼軌中的溫度應的公式,並對其中參數的求解方法進行介紹;根據收集的資料,介紹了三種使用極限折射縱波測量無縫接鋼軌溫度應的方法,即固定距離測量聲時法、臨界角折射法和頻譜分析法,本實驗系統使用的是第一種;根據實驗經驗以及相關資料,分析了影響極限折射縱波測量溫度應的幾個因素,並提出了相應的解決方法;根據實驗系統的需要,獨立設計並加工出相關配套的實驗設備,包括實驗鋼塊、有機玻璃楔塊、固定件、載荷外框裝置等。
  14. The overhead traveling crane used at a cold strip mill factory is given to study the deformation, stress distribution and load capacity of the main girder with 3d - fea shell - to - solid submodel method

    以某冷軋帶鋼廠橋式起機偏軌箱形梁為例,採用三維有限元法「板到體子模型」技術,比較分析了加強板2種接方式下主梁的變形、應分佈和承載能
  15. The result proves that composite beams with partial shear connectors have better performance to support fatigue load in that they can hardly be destroyed under general fatigue load if the welding quality is reliable

    試驗結果表明,復荷載作用下的部分剪連接組合梁具有良好的抗疲勞性能;在接質量有保證的情況下,處于正常使用范圍內的疲勞荷載作用下的部分剪連接組合梁幾乎不會發生疲勞破壞。
  16. However, the die attach layer delaminated after 500 cycles and pcb cracked in the underfilled samples after long time cycling. c - sam is employed to investigate the delamination in the underfilled samples. highly concentrated stress - strain induced by the cte mismatch between the bga component and the pcb board, coarsened grain and two kinds of intermetallic compounds ( nisn / nisns ) which formed during reflow and thermal cycle and their impact on the reliability of solder joints are discussed in this paper

    充膠樣品粗化尤為嚴; ? ni - sn金屬間化合物包括兩層:其中,靠近ni盤的那層比較平整,同時, eds結果分析表明其化學式近似為nisn ,而靠近料的那層呈板條狀,化學式近似為nisn _ 3 ,文獻表明其為亞穩相; ?充膠使得樣品最大應范圍降了接近一個數量級並降低了dnp的作用,同時,器件失效模式變為晶元粘接層分層; ? c - sam結果表明本論文採用的充膠樣品,晶元粘接層分層起始於500周左右,而經過2700周循環的樣品,分層幾乎擴展到整個界面。
  17. Rivet welding : 805000mm folder, 1200t oil press, 12t edge planner, 620m - 250mm digital controlled cutting, 70mm didital controlled pipe bender, max elevating capacity is 160t

    : 805000mm卷扳機1200t油壓機12m刨邊機620m - 250mm數控切割機70mm數控彎管機最大起160t 。
  18. Thermal and welding residual stress often produces in the proceeding of the electronic package, the residual stress release and thermal deformations of the microelectronics will reduce the assemble intensity between the chip and package, and then debase the electrical performance of the assemble circuit, numerous thermal cycling will lead to thermal fatigue or thermal failure of the microelectronics

    電子封裝器件在生產的工藝過程中,往往會產生熱殘余應以及接殘余應,殘余應的釋放作用及器件在使用過程中的熱變形,會降低集成電路晶元與封裝體的結合強度,進而降低集成電路的電性能,反復的熱循環,將導致器件的熱疲勞失效,嚴時可導致矽片或陶瓷片破裂,使整個器件遭到破壞。
  19. Body : body is cast with heavy sections reinforced at points subjected to the greatest stress. valves are available in both flanged and butt welding ends. all conform to asme specifications

    閥體:閥體為鑄件,在關鍵點上通過型型鋼加以強化,能夠承受更大的應。這些閥門都可配置法蘭連接埠和對連接埠,都符合asme標準。
  20. Widelly used in department of engineer machine 、 hip - building 、 eletric power 、 steel structure 、 chemical 、 oilane city construction or importanot construction unit of country, it ' s a need drying equipment in welding process

    廣泛地應用於工程機械、船舶、電、鋼結構、化工、石油、和城建等部門及全國各點建設工程單位,是接過程必備的烘乾設備。
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