焊接燒接 的英文怎麼說
中文拼音 [hànjiēshāojiē]
焊接燒接
英文
burn back-
And is it the same as under radiation heating ? do the special electric and magnetic fields produced by bpec accelerate atom diffusion ? understanding the above questions fully is a key to expose the mechanism of pecht
在脈沖大電流加工過程中原子是如何擴散的，與一般的加熱燒結、焊接是否一樣，脈沖大電流形成的特殊電場及磁場是否對原子的擴散有大的推動作用，弄清這些問題成為進一步揭示脈沖大電流熱加工機理的關鍵。In this paper, three unique models were designed to research atom diffusion at interface, contacting line and joining point under bpec heating and compare with it under radiation heating in order to find out if bpec speed atom diffusion. the first model was aimed to research atom diffusion at interface under bpec heating. experiment condition of bpec diffusion welding sheet cu and ni : direct diffusion welding, at a pressure of l0mpa, welded at 750 ~ 900, with heat rate of 200 ~ 400 / min for 10mm, on / off of 6 / l ~ 48 / 8, with die or not, vacuum of 6pa
本文設計出三種樣品預構件，研究脈沖大電流加熱條件下片狀材料、線狀材料和球形顆粒之間的原子擴散過程，弄清脈沖大電流加熱條件下原子擴散與一般燒結和焊接過程中原子擴散的區別，以證實特殊的電場和磁場是否對原子的擴散有推動作用，揭示脈沖大電流加熱條件下原子的擴散過程，探索脈沖大電流熱加工技術快速高效的原因。Pulse electric current heat treatment ( pecht ) developed by sodick, ltd., of japan, is a recently developed material processing method which consists of spark plasma sintering and welding, plasma activated sintering and welding, big pulse electric current ( bpec ) diffusion welding etc. the following are basic merits of pecht : rapid heating and cooling ; short sintering or welding time ; lowering sintering or welding temperature
脈沖電流熱加工（ pulseelectriccurrentheattreatment ，比如燒結，焊接等）是九十年代發展起來的一種材料快速制備新技術，它包括放電等離子燒結與焊接、等離子活化燒結與焊接、脈沖大電流擴散焊接等。它具有升溫、降溫速度快、能在較低的溫度下燒結或焊接以及時間短的特點。A full set of precision sheet metal processing facilities, a full set of wielding and finishing processing facilities, a charcoal kiln production line
全套精密板金加工設備，全套焊接及成品加工設備，全套燒炭窯製造生產線Seal the assistant who clears up machine being that one kind of new model is good be used for the stainless steel project, equipment, what be come into being black solders road, handles a simplicity when it can help your relaxed treatment argon arc soldering machine flow welding stainless steel, grab the head as long as using this machine to control touch choose clear up liquid saying that the surface is light in soldering clean, the black welding bead is immediately disappear, bright if new, hurt bright stainless steel surface face by no means, clear up the queen using wet fabric to clean again, outside, stainless steel not getting rusty, not being suffused with yellow, be quick, more beautiful, more economical than using acid - washing method speed such as cream and polishing
焊縫清理機是做不銹鋼工程、設備的又一種新型好幫手，它可以幫助您輕松處理氬弧焊接機燒焊不銹鋼時所產生的黑色焊道，操作簡單，只要用本機操縱搶頭沾取清理液在焊道表面輕輕擦拭，黑色焊道即刻消失，光亮如新，決不傷害不銹鋼表面亮面，清理后再用濕布擦拭，不銹鋼表面不生銹、不泛黃，比用酸洗膏和拋光等方法速度更快、更美觀、更經濟。Examination of the density, strength, hardness and microstructure showed that the mechanical properties and structure of the part made by direct metal forming process are better than that obtained from selective laser sintering process, as good as or even better than castings
對成形件進行的密度、強度和硬度指標測試和金相組織觀察表明：基於弧焊的直接金屬成形件的組織結構和力學性能指標明顯優于選擇性激光燒結工藝成形件，達到或高於鑄造零件。The coating on the chassis is generally guaranteed for two years, at the same time, pay attention to avoid scratch by stone blocks ; moreover, do not flame welding on the chassis so as not to change hardness of steel work
同時應避免轎車底盤被路面石塊等硬物劃傷，還應盡量避免在底盤上進行火焰焊接，以免改變鋼件的硬度，而經過火焰燒過的鐵板生銹的可能性更大。A source said the burn-through probably occured at a seal point between the booster's third and fourth sections.
一位提供消息的人說，燒穿點可能發生在火箭的第三和第四部分之間的焊接點上。There are some technical requirements on grinding to at welding joints, the author proposes some solutions, aiming at improving the efficiency of at welding and the quality of the finished at welds
對鋼軌鋁熱焊接接頭打磨預留量，以及打磨中出現「鞍形」磨耗、打磨發藍、燒傷的原因進行分析，並提出解決措施，以提高鋁熱焊接方法的效率及焊頭質量。Abstract : with the aids of computer ' s hardware, executive mechanism of weld arc length automatic controller of all - position pipe welder and additional software, an automatic system for arc striking has been developed, in which touch - starting method using tiny current is introduced. utilizing this method, the ablation ratio of tungsten electrode and tungsten inclusion ratio of welded seam is far smaller than normal touch - starting method. and the successful ratio of arc striking is high
文摘:用全位置自動焊管機弧長自動控制系統的計算機硬體和執行機構，僅增加部分程序，設計了採用小電流接觸引弧法的自動引弧系統，鎢極燒損和焊縫夾鎢遠小於普通的接觸引弧方式，引弧成功率很高。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。And the finite element method ( fem ) was used to simulate the stress and deformation of the outer casing and the bearing chock. on the basis of the experiments and fem analysis, the strength and fatigue lifetime, the interaction of creep and fatigue lifetime, the creep lifetime of outer casing and bearing chock have been analyzed, at the end of trail, sem analyses of failure section has been conducted
同時對航空發動機燃氣渦輪外機匣和軸承座進行了有限元模擬計算，得到外機匣和軸承座的焊接處的強度和變形情況的模擬結果。根據試驗數據和有限元的計算結果，對發動機燃燒室外機匣和軸承座兩種結構（包含焊縫）進行靜強度分析、疲勞壽命分析、蠕變壽命分析、蠕變疲勞交互作用壽命分析以及斷口的金相分析。In basis of integer bush, the flange bush adopt high speed friction jointing, the materil are alluse 10 steel bracking, the surface sinter cupbsn 10 - 10tin and copper powder, have enough carrying capability and longer using life, not easy to flake off. suitable for engineer mechanism, panzer, train, pile driver, take the place of bronze cover, save the costs greatly, make the useful life longer
翻邊軸套在整體軸套的基礎上，採用高速磨擦焊接製作而成，材料全部採用以10井鋼背為基礎，表面燒結cupbsn10 - 10錫青銅粉，具有承載能力大，使用壽命長，不容易脫落等優勢，主要適用於工程機械，坦克，火車，打樁機上，以替代原來的青銅銅套，大大節約了成本，延長了產品的使用壽命。Notice : indecates that mind the duty cycle while welding, to avoid overloading and damaging the transformer
注意：表示使用此焊機時應特別注意焊機的負載持續率，以免超負荷燒壞焊接變壓器。It has extremely high hardness, abrasion resistance and serving life. it ' s usually supported by tungsten carbide that has good toughness. the substrate provides good support for polycrystalline diamond and can be easily brazed to various tools
它的表層為金剛石粉末燒結而成的多晶金剛石，具有極高硬度、耐磨性和工作壽命；底層一般為鎢鈷類硬質合金，它具有較好的韌性，為表層聚晶金剛石提供良好的支撐，且容易通過釬焊焊接到各種工具上。Why pecht is so quick is a hot topic and many scholars are trying to explain it by proving plasma generating
脈沖大電流燒結、焊接為什麼如此之快是各國研究人員探索的熱點，多數學者從證明形成等離子的角度來解釋這一現象。分享友人