forward welding 中文意思是什麼

forward welding 解釋
前進焊接
  • forward : adv 1 向前，前進 （opp backward）。2 【航海】在船頭，向船頭（opp aft）。3 今後，將來。4 出來，出...
  1. Looking back and forward welding consumables in 21st century

    21世紀中國焊接材料上
  2. Based on the process of the wall preparation, erection and welding from the practice of some 10, 000 m ^ 3 oil tanks with an inner floating drum, this article analyzes the phenomena and causes of the wall deformation and puts forward the relevant controls for a variety of the wall deformation, which have already achieved reasonable effects

    本文結合10000立方公尺內浮頂油罐的工程實踐，從預制加工、組裝、焊接全過程分析壁板變形的各種現象和成因，針對壁板變形的不同情況提出有針對性的控制措施，取得了良好的控制效果。
  3. Aiming at the great challenge of deepwater oil resource exploitation in 21st century china, this paper firstly explained contents of offshore engineering joining technology, then introduced a series of important technologies such as deepwater pipeline laying welding, local dry welding, underwater hyperbaric welding, and friction stir welding, lastly put forward countermeasures to develop offshore engineering joining technology in china

    摘要在解釋海洋工程連接技術內涵的基礎之上，針對21世紀我國海洋石油開發深水資源的巨大挑戰，對深水海底管道鋪設焊接、局部乾式焊接、水下乾式高壓焊接以後摩擦疊焊等重要技術進行了介紹，最後提出了發展我國海洋工程連接技術的對策。
  4. According to these, the paper put forward some countermeasures : select low carbon steel or low metal alloy steel with lower intensity, like 20r steel ; while welding, adopt strict craft measures with lower welding heat to input ; after jointing, proceed the whole hot dissolving on time ; control each welding joint with hardness hb 185 ; add 0. 25 % water into the liquid ammonia as decay eclipse ; enhance checking in operation, repairing equipment in time through regular interior and exterior checking

    針對上述原因提出了防止氨冷器類臨氨壓力容器產生應力腐蝕裂紋的對策：選用強度稍低，但抗裂性較好的低碳鋼和低合金鋼，如用20r鋼製造；焊接時應採用嚴格的工藝措施和較低的焊接熱輸入量；焊后應及時進行整體消除應力熱處理；控制焊接接頭各區硬度hb 185 ；在液氨中添加0 . 25 %的水作為緩蝕劑；在運行中加強檢查，及時進行停車檢修時的內外部檢查和定期檢驗。
  5. The problems needing attention in the design and construction of directly buried steam pipeline are analyzed in terms of insulation construction, moisture removal pipe, steam trap well, fixing support, pipeline welding and selection of pipeline material, and the relevant solutions are put forward

    摘要從保溫結構、排潮管、疏水井、固定節、管道焊接、管道材料選擇等方面，分析了在直埋蒸汽管道設計與施工中應注意的問題，提出了解決方法。
  6. The critical crack and stress put forward provides theoretic foundation for monitoring portal machine. 3. applying steady theory of board, studying the problem of early curvature, flexibility model, welding remaining stress, elastic transmutation and brace condition and so on, conclude that structure of beam is primary place where metal structure of portal crane lose stabilization and the break of main beam is result of losing partial stabilization of main board

    文章提出的界限應力和臨界裂紋對于港口機械的監測提供了理論依據； 3 、運用板的穩定理論，探索了作為薄壁構件的門機金屬結構在失穩破壞中所涉及到的初曲率問題、彈性模量問題、焊接殘余應力問題、彈塑性變形問題以及支承條件問題等，得出了門機金屬結構發生失穩破壞的主要部位為臂架結構，且主臂架的折斷是由於受壓翼板局部失穩引起整體破壞； 4 、探討了焊接對結構承載的影響。
  7. It consists of two part, the one is hardware : integrating the system of the arc welding robot ' s hardwares and its working principles, separating and extracting the original system ' s control signals, designing the control system openly and its working principles, constructing the structure and principle of the motion card based on dsp, designing the telecontroling teaching box or control panel of touching screen based on usb interface, applying for some software and hardware measures on control system ' s anti - jamming ; the other is software : putting forward the three levels opening software structure model of arc welding, comparing the opening of software structure model between osaca and ours, putting forward the solutions of the pri and communication among the threads of software system ' s modules, using the dll ' s techniques to solve software ' s module design and putting forward the frame codes, bringing forward the path planning software ' s realization by cp + ptp mode, discussing the real time of windows2000 operating system and advancing its solution

    具體包括，硬體部分：弧焊機器人硬體整體系統集成及其工作原理，原系統控制信號的分離和提取，控制系統的開放式設計及組成原理，基於dsp的運動控制卡結構和原理，基於usb介面的觸摸屏式遙控示教盒控制面板的設計，系統抗干擾的軟、硬體措施；軟體部分：提出了弧焊機器人的三層開放式軟體結構模型，軟體結構模型與osaca的模型進行開放性比較，給出軟體系統各模塊線程間優先級和通訊的解決方案，使用動態鏈接庫技術實現軟體模塊化設計並給出了框架代碼，給出了cp + ptp方式的軌跡規劃軟體實現過程， windows2000操作系統實時性問題的討論及解決方案。
  8. Double forward converter ( dfc ) has many advantages, such as inherent anti - break - though capability, auto clamping the switch voltage etc. regarding the excellent reliability, dfc is one the most widely used topology in the industrial applications, especially for low output voltage area, such as telecommunication energy systems and welding power supply

    雙管正激變換器具有內在抗橋臂直通的優點，能使開關管上的電壓自動箝位在輸入電源電壓。由於其可靠性高，電路設計簡單，因而成為目前在工業中應用最普遍的變換器結構之? ，特別是適合於輸出電壓較低應用場合，比如通信系統中的一次電源和弧焊電源。
  9. At the same time a method of utilizing round swing transition horn is put forward to void shock produced in the process of welding two round pipelines of the same or similar diameter by such experiments and debugging

    同時通過附加圓擺動的折線軌跡曲線的實驗和調試，確定了利用圓擺動過渡尖角的方法，避免了當焊接兩圓管直徑相同或是相近時在焊接過程中產生的沖擊。
  10. To adapt the width of welding lines and improve the welding quality, adding swing to the moving on theoretical center track is put forward with the actual welding process synthetically thought of. circle swing mode and. sine swing mode are discussed as typical ones and the equations of moving tracks are established

    為了適應焊縫的寬度，提高焊縫的質量，並結合焊接過程的實際情況，確定了在理論中心軌跡的基礎上添加附加擺動，討論了圓擺動和正弦擺動兩種典型模式，建立了運動軌跡的方程。
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