水下焊 的英文怎麼說
中文拼音 [shuǐxiàhàn]
水下焊
英文
under water welding-
Design of fixture for jointing downcomer hard pipe of mazida automobile
馬自達下水硬管焊接夾具的設計With an introduction of the influences of the final quality of rail aluminothermic welding, such as : the quality of welding kits ( esp. the portion ), the result of pre - heating, the welding operation and the level of operators etc., this paper analyzes some problems when rail welding under special conditions
摘要介紹了焊接材料質量、預熱效果、操作人員水平等因素對鋼軌鋁熱焊接接頭質量的影響，以及幾何誤差不同、軌頭寬度不等、寒冷氣候等特殊條件下進行鋁熱焊接應注意的問題。In this thesis, four types of steel beam - rectangular cfst column connections, including normal welded flange plate ( wfp ) connection, bolted flange plate ( bfp ) connection, stiffened end plate ( sep ) connection and double split - tee plate ( dst ) connection, were designed based on the configuration of steel frame connection. total 8 models, 2 models of each kind of connections were tested under low - reversed cyclic loading at the end of cfst columns. the relationships between force and displacement at the end of columns, the relationships between the moment and rotation of the joints, degradations of strength and stiffness, ductility, failure mechanism and failure characteristics of these four connections under different axial - compression ratios were presented
本文借鑒鋼框架節點構造，設計了四種類型矩形鋼管混凝土柱與鋼梁連接節點，包括常規栓焊（ wfp ）節點、翼緣全螺栓連接（ bfp ）節點、雙t板連接（ dst ）節點以及加勁端板連接（ sep ）節點，進行了四類節點8個模型試件在柱端低周反復荷載作用下的抗震性能試驗研究，比較了不同軸壓比下節點的滯回性能、強度與剛度退化、延性、破壞機理與破壞特徵，主要結論有： 1 、節點的位移滯回曲線與轉角滯回曲線為塊型分佈，沒有或略有捏攏現象，耗能能力強； 2 、軸壓比對節點滯回曲線有顯著影響，全部節點都有顯著的剛度退化； 3 、位移與轉角骨架曲線在峰值荷載後有較長的水平或下降段，具有良好的延性性能； 4 、從整體抗震性能上看，翼緣全螺栓連接節點、雙t板連接與加勁端板連接節點都優于常規栓焊節點，可在實際工程中加以推廣。Qualification testing of welders for under - water welding - diver - welders for hyperbaric wet welding
水下焊接焊工的資格鑒定測試.高壓濕法焊接的潛水焊工Qualification testing of welders for under - water welding - part 1 : diver - welders for hyperbaric wet welding
水下焊接焊工資格測檢.第部分：高壓濕焊的潛水焊工Qualification testing of welders for under - water welding - diver - welders and welding operators for hyperbaric dry welding
水下焊接焊工的資格鑒定測試.潛水焊工和高壓干法焊工Qualification testing of welders for under - waster welding - part 2 : diver - welders and welding operators for hyperbaric dry welding
水下焊接焊工的資格測驗.第2部分：高壓干焊的潛水焊工和焊接操作者Is qualification testing of welders for under - water welding - part 1 : diver - welders for hyperbaric wet welding iso 15618 - 1 : 2001 ; german version en iso 15618 - 1 : 2001
水下焊工的資格測式.第1部分:高壓濕式的水下焊工Approval testing of welders for under - water welding - part 2 : diver - welders and welding operators for hyperbaric dry welding iso 15618 - 2 : 2001 ; german version en iso 15618 - 2 : 2001
水下焊工的資格測式.第2部分:高壓乾式焊接的水下焊工The riveting and welding plant of the company has a very strong technical force, the technical personnel makes up more than 1 3 of the total staff, the company can also undertake the manufacture of various metallurgical structural equipment, formwork, gang board, oil tank, water tank, pipeline and dust - collecting and environmental protection equipment of various sizes, the company also undertakes the construction of bridge, concrete building as well as underwater and high - altitude operations from omniberaing etc. no matter what sizes and shapes of the forging and casting spare parts including special - shaped parts, we will never refuse you and promise to satisfy you with best quality and finish the task on schedule
公司鉚焊廠，技術力量十分雄厚，工程技術人員，佔全體員工的三分之一以上，可以承攬加工各種金屬結構設備模板跳板油罐水罐管道工程各種型號除塵環保設備，再如橋梁鋼筋混凝土建築，水下高空全方位作業等，除些之外，關于鑄造鍛造等工作不論大，中，小型部件，也能做到來而不拒，保證，保質，保量按期完成任務。Transitional feature of the arc and metal droplet in the welding process with steam shielded arc is investigated by means of analysing the waveforms of welding voltage and current under different welding regimes and it is found that there are two types of arc process behavor ? " arc starting - arc blowing out - short - circuiting " and " arc - starting - short - circuiting ". under the condition of constant diameter of welding wire and its feeding speed, the arc process behavor can be changed by adjusting the inductance of welding circuit as well as the voltage of power supply. if arc process behaves as alternative process of " arc starting - arc blowing out - short - circuiting " with minimum time duration of arc blowing out and maximum frequency of short - circuit transition, the welding process will be stable with less spatter and smooth weld bead
通過分析不同焊接規范下的焊接電壓和電流的波形.研究了水蒸氣保護下電弧及熔滴過渡的特點，發現其電弧過程行為有「燃弧?熄弧?短路」和「燃弧?短路」兩種形式.在焊絲直徑和送絲速度一定的情況下，通過調節焊接迴路中的電感量和電源電壓，可以改變電弧的過程行為形式.若電弧過程呈「燃弧?熄弧?短路」交替進行，並且熄弧時間最短時，短路過渡頻率最高，在這種情況下，飛濺小，焊道成型好，焊接過程穩定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。Underwater welding equipment
水下焊接設備Abstract : the image of arc zone of flux - cored underwater wet welding was developed with underwater ccd camera system and composed filter technology. the discussion is mainly focused on the theory of edge detection. an image edge detection method based on median filter and grads algorithm was developed to detect the arc burning zone and arc bubble zone efficiently, which laid the foundation for further analysis of underwater wet welding arc mechanism and process control
文摘:通過復合濾光技術和水下ccd攝像系統，採集出了藥芯焊絲水下濕法焊接電弧區域圖像，重點論述了邊緣檢測理論，確定了基於中值濾波和梯度運算元的電弧區域圖像邊緣檢測方法，有效地區分了電弧燃燒區域和電弧氣泡區域，從而為水下濕法焊接電弧的機理分析及水下焊接過程式控制制奠定了基礎。Meanwhile it retains evenness on lift force to prevent leakage of residue that is caused by installation clearance error or changes in welding criteria, flow off molten iron as well as break - over welding, so that the ideal fosion depth and finishment have been fulfilled
在需原動力的條件下，該機利用彈性夾角變化，隨著筒體轉動，使墊層焊劑始終緊貼筒體外側環向焊接區，並保持托力均勻防止因裝配間隙誤差或焊接規范變化而引起漏渣，鐵水下淌及焊穿現象，達到理想的熔深度和光潔度。Underwater welding habitat
水下焊接工作室It is mainly used to carry out the underwater reef drilling and blowup in channels and harbors etc. this vessel can be self - jacked - up and down by its own four legs
32 . 00m本船為鋼質全焊接結構的沿海非自航箱型駁船，主要作用於航道港口等水下礁石鉆孔爆破。Welding consumables - welding consumables for underwater hyperbaric wet welding of unalloyed and fine grain steels - acceptance specifications for testing and qualification of welding consumables for underwater hyperbaric wet welding
焊接消耗品.非合金和細粒鋼的水下高壓濕焊用焊接消耗Air - under - water test of the seat ' s welds
閥座焊接水下空氣測試。The operation rules for underwater semi - automatic protection welding by way of water partially drained by co2
水下局部排水二氧化碳保護半自動焊作業規程分享友人