焊接時間 的英文怎麼說

中文拼音 [hànjiēshíjiān]
焊接時間 英文
soldering time
  • : 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
  • : Ⅰ動詞1 (靠近;接觸) come into contact with; come close to 2 (連接; 使連接) connect; join; put ...
  • : shí]Ⅰ名1 (比較長的一段時間)time; times; days:當時at that time; in those days; 古時 ancient tim...
  • : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
  • 焊接 : weld; welding; soldering; seal; sealing; sealing-in; shutting together
  • 時間 : time; hour; 北京時間十九點整19 hours beijing time; 上課時間school hours; 時間與空間 time and spac...
  1. The welding technology of francis turbine runners is optimized from the view of subsection welding and local heating by numerical simulation. the result shows that welding residual tensile stress appears in the weld and its area nearby, and peak stress appears in the dangerous area of blades after practising quondam welding technology ; welding residual tensile peak stress in the dangerous area of blades can be decreased by welding both ends earlier and then welding middle section later during subsection welding, and decreasing effect on welding residual stress of the subsection welding is related to the weld length of blade outlets and welding direction of each subsection ; decreasing effect on residual stress of the local heating is direct proportional to heating time, heating temperature, heating area, and inversely proportional to cooling area, and welding residual tensile peak stress in the dangerous area is decreasing trend earlier, and then increasing trend later with heated location increased

    本文利用數值模擬手段對轉輪的工藝從分段和局部加熱兩個方面進行了優化,結果表明:採用普通工藝,葉片后殘余拉應力出現在縫及其附近區域,並且在葉片出水邊的熔合線附近(危險區域)出現了峰值;在採用優化的分段,先兩端后的方法可以降低葉片危險區域的殘余拉應力峰值,降低效果與葉片出水邊段長度、縫各段的方向有關;局部加熱法降低轉輪危險區域殘余應力的效果主要與加熱、加熱溫度以及加熱面積成正比,與冷卻面積成反比,並且危險區域的殘余應力隨加熱區域的增大呈先降低后升高的趨勢。
  2. The calculation results indicate that the outboard of drum walls fall in plastic yielding at the same time the rising cooling water reaches the height of that point and the yield region becomes narrower and narrower when it comes closer to the circumferential strake weldments, which explains the reason coke drums experience bulging and cracks occur in the weld seams portions of shell to shell after long in service

    計算結果表明:塔壁外側在冷卻水面到達的瞬進入塑性屈服,筒節中部塑性屈服區較大,當靠近塔壁的塑性變形區逐漸縮小直至消失,塔壁塑性屈服區的分佈特點解釋了塔體長期使用后發生鼓凸變形及簡體與縫連處產生裂紋的原因。
  3. The main loop of the welder uses a thyratron transistor non - contact switch circuit, quick and reliable close time, accurate timing of welding, high precision of welding, good repeatability, bring a high quality welding

    機主迴路採用晶閘管無觸點開關電路,關斷快、可靠,精確,精度高,重復性好,可實現高品質
  4. 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,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、等離子活化燒結與、脈沖大電流擴散等。它具有升溫、降溫速度快、能在較低的溫度下燒結或以及短的特點。
  5. In order to study the characteristic signals according to the quality of the welding with dissimilar gaps, the self - made real - time monitoring system with coaxial sensors is applied to acquire and extract coaxial signal, and then the signals are analyzed with modes analysis, subsection power analysis and wavelet analysis

    摘要為了研究不同隙下激光拼縫質量及其對應的信號特徵,採用自製同軸傳感系統採集提取多種隙下的同軸光信號,並對信號進行眾數分析、分段功率譜分析和小波分析。
  6. Direct connect vias conduct so much heat away from the pin and into the plane that high temperature or long soldering time may be required to complete the joint - thermal damage could occur to both the board and the component from soldering or desoldering

    ,直的過孔會通過引腳把大量的熱傳導至內電層,因此完成就需要很高的溫度或者延長焊接時間,這就會導致在或拆發生電路板或元件的損壞。
  7. In the interface an interdiffused layer with multphases would be formed during the process of welding or operation at elevated temperature. because of so much difference between the interdiffused layer and the original interface layer, it would influence the welding strength severely

    過程中以及經過較高使用溫度的長使用后,鈮合金同不銹鋼界面會產生材料組分元素的互擴散,形成互擴散層,互擴散層的性能與原始界面的性能有較大差別,影響強度。
  8. When soldering the electrolytic capacitor, the soldering time should never be permitted over 10 seconds, and for 260 ? c of the soldering temperature

    電解電容器,其焊接時間溫度不應超過10秒鐘及260攝氏度。
  9. The planeness and integrality of the flier - plate were ensured effectively by exerting restrictive pressure, controlling heating and cooling rate, lowering welding temperature or reducing welding time as much as possible, etc. theoretical model of creating quasi - isentropic compression via 93w - ofc - tc4 - a1 - mb2 system flier - plate with graded wave impedance was established, and numerical simulation of the impact process was then carried out

    採取施加外部機械力、控制升降溫速率以及盡量降低溫度或減少焊接時間(防止脆性金屬化合物的過度增長)等措施,確保了頭的平整性和界面結構的完整性。建立起梯度飛片擊靶的理論模型,對93w - ofc - tc _ 4 - al - mb _ 2系波阻抗梯度飛片的擊靶過程進行了數值模擬計算。
  10. Welding current downslope time

    電流衰減
  11. Welding current upslope time

    電流增加
  12. A fast drying, two component, weldable modified zinc ethyl silicate pre - fabrication primer for application by manual or automatic spray. reduce health risk during welding and cutting and less weld defects

    快乾型雙組分可改性硅酸鋅車底漆,可用人工噴塗或自動噴塗。在和切割對人體的危害小,缺陷少。
  13. Electrocircuit and time controlled precisly to improve the quality of welding

    過程中電流和精密控制,提高質量。
  14. The welding time and weld quality is guaranteed by international purchased welder

    採用國外引進機確保鋼帶焊接時間質量。
  15. 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

    通過分析不同規范下的電壓和電流的波形.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.在絲直徑和送絲速度一定的情況下,通過調節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,並且熄弧最短,短路過渡頻率最高,在這種情況下,飛濺小,道成型好,過程穩定
  16. Welding time adopts circle style counting control

    焊接時間均彩霞周波調式計數控制。
  17. Thermocouple and thermal resistance in power station suit to measure temperature of electric generator groups and auxiliary machine correspond to 300000 and 600000 kilowatt, which can substitute one from import with many advantages as shock - proof, pressure - resistant, long in service, and convenience in maintain etc. the protective tube is processed in a special construction by deep - blind hole technology whose end not be welded to enhance the strength and prolong service life. thermocouple or thermal resistance

    本公司生產的電站專用熱電偶阻,適用於我國30萬60萬千瓦等發電機組及輔機的測溫需要,產品安全可替代進口,具有防震耐壓使用壽命長,維修方便,保護管是採用深盲孔技術加工而成,端部不用,提高了保護管的強度和使用壽命,鎧裝熱電偶熱電阻採用彈簧壓著式結構,在運行中保護管與鎧裝熱電偶熱電阻測量端始終保持著良好的觸,抗震動,減少熱響應,鎧裝熱電偶測量端採用絕緣形式,能防止電磁干憂。
  18. Because of rich labors and some other objective reasons in china, manual or semi - automation welding is used frequently. the manner makes workers tired because of heavy duties and long - time working, waste too many labors and is of low efficient

    我國由於勞動力充裕,以及一些客觀存在的原因,經常採用手工或半自動化方式,但是這兩種方式存在一些缺點:勞動長,勞動強度大,生產效率比較低,且浪費人力。
  19. Tofd welding - use of time - of - flight diffraction technique for examination of welds

    .檢驗用飛行衍射技術
  20. Feature : automatoc controlling the time of welding, extensive limit of adjustment, simple and stable structure easy operation

    特點:能自動控制焊接時間,調節范圍大,結構簡單可靠,操作方便。
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