arc speed 中文意思是什麼

arc speed 解釋
電弧移動速度
  • arc : A. R. C. ＝ American Red Cross 美國紅十字會。n. 1. 弧；弓形，拱（洞）。2. 電弧，弧光。
  • speed : n 1 快，迅速。2 速率，速度。3 （汽車的）變速器，排擋。4 （膠片，照相紙）感光速度。5 〈古語〉興隆...
  1. 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。
  2. Test results indicated : with the hoist of altitude, the increase of ice amount and the rise of pollutant, the average flashover voltage reduced. the character exponent generally depends on the insulator profile, ice amount, ice state and pollution severity etc. by means of a high - speed camera, a data acquisition system and high voltage test facilities, a series of the flashover processes on ice surfaces were record. the experimental results form this study and the subsequent theoretical analyses suggested : the thermal ionization of the air in front of an arc root resulted in arc movement ; the electrostatic force had an auxiliary effect of impelling arc propagation ; the electrical

    通過對攝像機、數據採集系統及高壓試驗裝置記錄覆冰絕緣子表面閃絡電弧的發展過程的試驗結果進行理論分析得出：弧根周圍空氣的熱電離導致了電弧的發展，靜電場力對電弧的發展起到了加速作用，電擊穿僅發生在閃絡最終的跳躍階段；通過測量閃絡過程中的放電電壓、泄漏電流、閃絡時間、覆冰水電導率、電弧長度及電弧半徑等參數，得到了不同階段電弧（電弧起弧階段、電弧發展階段及完全閃絡）的發展速度、臨界電弧長度均隨覆冰水電導率的增加而減小。
  3. 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
  4. A production rate as high as 15 % is obtained under the condition of 150torr helium partial pressure, 300a arc current and quick electrode approaching speed as soon as possible. 2

    在盡可能快的推進石墨棒的條件下，弧電流300a 、氦氣壓150torr 、無氦氣流時c _ （ 60 ）粗品的產率最高，約為15 ； 2
  5. Using the traits of arc adjust itself of the co _ 2 welding, adopting slow - descending feature or even feature of electrical source equipping with system that delivering the welding rod at the invariable speed, then, the arc burning steadily is realized, and the quality of welding is improved

    利用co _ 2氣體保護焊電弧的自身調節特性，採用緩降或平硬特性的電源配等速送絲系統，通過改變電源空載電壓來調節電弧電壓，再利用電弧電壓和熔化速度之間的關系調節焊絲熔化速度使之等於送絲速度，最終實現電弧的穩定燃燒。
  6. Patent control technology of dynamic characteristics and waveform, hard arc, stable welding current, little spatter, good welding surface, optimized matching parameters, welding speed increased by 100 - 200 %

    專利動特性及波控技術，電弧挺度大，焊接過程穩定，飛濺少，成型美觀，優化參數匹配，焊速可提高100 - 200 %
  7. The dcep mig has the characteristic of deeper penetration which can reduce defective fusion and good arc stabilization. the dcen mig has the characteristic of shallow penetration of welding seam, and the welding wire has a high melting speed. so the variable polarity pulsed mig is a new technology for the welding of aluminium alloy sheet

    變極性脈沖mig焊是一種新的焊接工藝方法，其綜合了dcep脈沖mig焊熔深較大、可以減少焊縫的熔合不良、電弧穩定性好和dcenmig焊焊縫熔深淺、焊絲熔化速度較快的特點，減小了焊縫的熔深，增加了焊絲的熔化速度，是一種適合於薄板鋁合金焊接的新方法。
  8. The main task of this paper concentrates on such parts as calibration of measurement sensor, high speed and accuracy image collection and processing, data fusion of different angle of view, visualization of measuring results. to accomplish sensor calibration, a pinhole model of the camera is employed and an equation of a light plane is setup. parameters such as the m array of the pinhole model and the normal vector of the light plane arc acquired through experiment. in image processing, we adopt the template - changing parallel thinning method to improve processing speed and accuracy

    主要研究了攝像機針孔模型的建立及測量傳感器的標定；圖像的快速高精度的採集和處理，在圖像處理中採用多幀平均演算法，很好地解決了速度和精度之間的矛盾制約；根據旋動理論建立空間坐標變換數學模型，進而建立其不同視角下的測量數據融合演算法，生成完整的物體三維數據集合；在vc平臺下編寫三維顯示軟體模塊，完成三維測量結果的可視化，實現了三維物體的任意角度的觀察、任意倍數的放大和縮小、任意方向平移及動畫效果。
  9. Secondly, analysed the approach model, described circular arc approximation method, approaching blade curved surface with this method and realized raise of the approach speed

    其次，分析了逼近模型，推導了單圓弧逼近方法，用這一方法來逼近葉片曲面，提高了逼近速度。
  10. The tap - changer is made with solid state relay as its working mechanism and controlled by microprocessor. this switch has totally cancelled the mechanical drive organization, by the microprocessor according to the voltage of second side microprocessor decide the working condition of solid state rely, high regulation speed, need not transition resistor, rush current is low. operating frequently ; there is no electric arc to produce, can put in the fuel tank of the voltage transformer directly ; the structure is simple, the fabrication cost is low, benefit and use widely among the voltages transformer of distribution

    其中的有載調壓分接開關，它是一種完全由固態繼電器作為分接開關執行機構，由單片機控制的有載自動調壓的變壓器分接開關。該開關完全取消了機械傳動機構，由單片機根據變壓器二次側電壓的高低，決定與變壓器各分接頭聯接的固態繼電器的工作狀態。調節速度快，改變分接頭時不需過渡電阻，沖擊電流小，可頻繁操作；無電弧產生，可以直接放在變壓器油箱中；結構簡單，造價低，便於在配電變壓器中推廣使用。
  11. Under a constant applied load and sliding speed, the wear rate of cu - nanosized tib2 in - situ composites was increased with increasing the electric current. the predominant electric wear mechanisms of the cu - nanosized tib2 in - situ composites are abrasive wear and arc erosion

    在一定載荷和滑動速度下，隨電流的增加， cu -納米tib2原位復合材料的磨損率增加， cu -納米tib2原位復合材料的電接觸滑動磨損機制主要為磨粒磨損和電侵蝕磨損。
  12. This paper presents the effects of some features on the productivity of raw c60 materials, such as distance and approaching speed of electrodes, helium partial pressure and arc current etc. then we separate and purify the raw materials and obtain pure solid c60 of 99. 9 % and compare the purification efficiency and effect of different fluxion phase and fixed phase and discuss the effects of the experimental conditions, such as the depositing speed, the type of the substrate, the surface structure of the substrate and the temperature of the substrate. finally, we use xps, afm, ultraviolet, infrared and raman to analyze the component, structure and feature of the films qualitatively and quantitatively

    本文首先研究了氦氣分壓、弧電流大小、電極間距以及電極推進速度等實驗條件對制備c _ （ 60 ）粗品產率的影響；接著選用柱色譜法分離提純得到了純度大於99 . 9的c _ （ 60 ）固體，比較了不同流動相和固定相的提純效率和效果；然後採用自己改進后的真空鍍膜機，利用電阻式加熱蒸鍍方法，得到了純c _ （ 60 ）薄膜和不同摻雜比的銀摻雜薄膜；探討了沉積速率、襯底種類、襯底表面結構以及襯底溫度等實驗條件對薄膜結構的影響；最後通過xps ， afm ，紫外，紅外，拉曼對薄膜的成分、結構和特性作了定性和半定量分析。
  13. The double circular - arc gears cad systems designed in vb language combines the accuracy and high speed operation abilities of computer, a great deal memory and manage data abilities of computer and abundant chart dispose abilities of computer with creating thinking and colligating analysis ability and logical judge ability of human being. it is a tight cooperate system

    以vb語言設計的雙圓弧齒輪cad系統，將計算機高速、精確的運算功能、大量存貯和處理數據的能力、豐富而靈活的圖形、文字處理功能與設計者的創造性思維、綜合分析能力、邏輯判斷能力結合起來，構成了一個人與計算機各發揮所長，又緊密結合的系統。
  14. Based on analysis for vacuum arc remelting process and according to actual melting condition, some partial strategies which is helpful for control of melting aim were presented, for example, arc length control, melting speed control, decouple control and so on

    摘要通過對真空電弧重熔爐工藝過程的分析，根據冶煉實際情況，提出了一些有助於控制冶煉目標的局部策略，如弧長控制、熔速控制、解耦控制等。
  15. Because of the nonlinear, time - variability and uncertainty of the submerged - arc welding progress, the characteristic of accurate mathematic model being hard to establish, we can adopt the fuzzy control technology to design the welding dolly control system, and the couple closed - loop fuzzy control velocity system and fuzzy control algorithm for the speed of the welding dolly are researched based on the control system of submerged ? arc welding

    同時長時間工作也容易使人產生疲勞，影響焊接質量。針對埋弧焊過程的非線性、時變性和不確定性，難以建立精確的數學模型等特點，採用模糊控制來設計焊接小車控制系統，同時研究了焊接小車雙閉環模糊調速系統，並針對焊接小車速度的雙閉環模糊控制演算法進行討論。
  16. The parameters estimation with the least square method is applied to the open speed system. the least square estimation with forgetting factor and the least square error self - tuning control are applied to the close speed system and controller parameters arc obtained from estimation parameters directly

    採用最小二乘參數估計演算法對某渦扇發動機低壓轉速進行開環辨識，採用帶遺忘因子的最小二乘估和直接獲得控制器參數的自校正控制對該系統進行閉環控制。
  17. India. manufacturer producing high speed metal arc disintegrators used to harmlessly remove broken, seized, and sheared tools and bolts

    -橋配套生產「電解式臭氧發生器」及「高濃度臭氧消毒劑生成機」的專業生產廠。
  18. Study on the cored wires of fe superhard material coating produced by high - speed arc spraying

    高速電弧噴塗超硬復合材料粉芯絲材的工藝研究
  19. Arc welding technologies in japan have been advanced steadily since the time when an application of covered electrodes was first examined in the shipbuilding industry about 90 years ago. the history of the arc welding technology has always been the history of the pursuit of higher " efficiency and speed " of welding processes welding materials, originally started with covered electrodes ， have been developed into more efficient submerged arc welding materials and gas ? shielded arc welding materials with which automatic welding and robotic welding can easily be conducted. the gas ? shielded arc welding materials can be classified mainly into solid wires and flux ? cored wires ( fcws ), and of these wires ， fcw has been increasing in uses year by year because of its excellent workability and efficiency. this article describes the recent trends in the development of fcws which now hold the major position in the welding materials. a special focus is put on the fcws for carbon steels

    90年前，日本的造船業開始使用藥皮焊條.自此，日本的弧焊技術取得了長足進步.弧焊技術的歷史是焊接工藝"高速度、高效率"的歷史.自藥皮焊條開始焊接材料已發展成為更高效的埋弧焊焊材和氣保焊焊材，並能更容易地結合自動化焊接和機器人焊接.氣保焊焊材主要分為實芯焊絲和藥芯焊絲，藥芯焊絲的應用因其出色的實用性和效率而逐年增加.介紹了藥芯焊絲作為主要焊材的發展趨勢，尤其是在碳鋼焊接上的應用
  20. Industrial test of high speed steel making in electric arc furnace by direct reduction and alloying with tungsten molybdenum vanadium oxide ore

    電弧爐鎢鉬釩氧化物礦直接合金化冶煉高速鋼工業試驗
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