難焊的 的英文怎麼說

中文拼音 [nánhànde]
難焊的 英文
hard to weld
  • 難 : 難Ⅰ形容詞1 （做起來費事的） difficult; hard; troublesome 2 （不容易; 不大可能） hardly possible 3...
  • 焊 : 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
  • 的 : 4次方是 The fourth power of 2 is direction
  1. We mostly produce aviation high pressure vitta, they are used by motocar and autocycle, ect. especially we have solved leakage in jointing and riveting by vitta tie - in. it is safe, and we can save some oil, the life can be prolonged, too

    本公司主要製造航空高壓油管，用於汽車、摩托車各類機械設備油管系統總成，尤其是整體式的油管接頭，解決了用焊接，鉚接法所產生的難以避免的泄漏，既安全又節省了油耗，延長了使用壽命。
  2. Lead - free solder and conducting resin packaging technology involved in lead - free packaging are analyzed. the technological differences between the traditional tin - lead welding and lead - free welding are also described. finally, some technical difficulties in promoting lead - free packaging technology are presented

    從無鉛組裝的角度出發，詳細分析了無鉛組裝技術涉及的無鉛焊料和導電膠組裝技術，闡述了傳統的錫鉛焊接與無鉛焊接的工藝差異，提出了該技術要推廣應用所面臨的技術難點。
  3. However the welding property of al mmcs is poor, it ' s difficult to obtain high joint strength. the application of al mmcs has been restricted by the low joint strength

    但是鋁基復合材料的焊接性能差，很難形成高強度的接頭，成為該種材料走向實用化的嚴重障礙。
  4. It is a dozen metals in one ; now almost diamond - hard - - and again almost as soft as copper ; here brittle as glass ? there malleable1o as silver ; now welding quite readily - - again, very difficult to weld ; melting rather easily - - at other times difficult to diffuse ; usually very magnetic - - and : again almost non - magnetic ; an excellent conductor of heat and electricity - - and at times stubbornly resistant to both

    鐵將十多種金屬特性合而為一：時而幾乎堅硬如金剛石，時而又柔軟如銅；此處易碎如玻璃，彼處又可展延如銀；時而很容易焊接，時而又很難焊合；有時相當易熔，有時又極難擴散；通常情況下富有磁性，但有時又幾乎磁性全無；本是熱和電的優良導體，但有時卻頑強地抗拒二者。
  5. But there are some technical difficults for the welding of aluminium alloy such as some broken bits being easily found, a large welding distortion can happen easily, hard to distinguish the difference between the solid metal and liquid metal colour, hard to control the temperature, a lot of air holes can be seen in the welding line and so on

    但是鋁合金熔化焊時的技術難點在於：焊接時易引起夾渣，焊接變形大，金屬的固態和液態的色澤不容易區別，焊接操作時控制溫度困難，容易產生氣孔等等。如果焊前清理工作不是很好，檢測氣孔往往超標。
  6. After weld repairs, however, the overall quality and reliability of a cast valve is difficult to determine

    但是，在焊補后，鑄件閥門的整體質量和可靠性就變得難于保證。
  7. It possesses not only the self - learning ability and adaptability, but also the function of self - adjusting factors. based on fuzzy set, neural network theory, the fuzzy control model and fuzzy neural network control model of multi variable system are presented. based on the automatic core - welding line of shop floor control system in yangzhou radiator plant computer integrated manufacturing system ( ys - cims / sfcs ), the fuzzy logic theory was applied to the controlling device and established the main heating room fuzzy temperature controller and finally was put into practical use

    本文採用了基於神經網路技術的智能pid控制策略，設計了一類具有自學習和自調整比例因子功能的神經元網路自適應pid控制器的結構及演算法；為解決結構不確定性的復雜多變量系統的控制，基於模糊集及模糊系統、神經網路理論，建立了多變量系統的模糊控制模型及模糊神經網路控制模型；針對揚州水箱廠計算機集成製造系統車間管理與控制系統（ ys - cims sfcs ）中的實際工程問題，設計和開發了散熱器芯子烘焊自動線主烘腔溫度模糊控制器，解決了生產中長期存在的老大難問題，提高了產品質量，降低了單產能耗。
  8. This paper has the important theoretical and practical value. the main research woks are concluded as follows : 1, among the tubular analysis methods, the reasonable analytical study is a important and indispensable part

    本文主要研究工作如下所述： （ 1 ）理論簡化模型研究：由於管節點是由幾個鋼管焊接而成的結構，相當於一個空間薄殼結構，受力狀態復雜，精確理論分析難度較大。
  9. A number of metals and alloys, how ever, are difficult to silver-solder and require special procedures.

    但是有許多金屬和合金是難于銀焊的，因此需要採用專門的工藝方法。
  10. In the conventional steel structure, the column of architecture structure is made of welding box column. it has a great of operation capacity of welding and the inner diaphragm plate construction is difficult, which is adverse to industrialization of mass production

    在傳統鋼結構中，建築用結構柱一般為四塊鋼板焊接的箱形柱，加工工作量大，內置橫隔板施工困難，不利於工廠化批量生產。
  11. Under this background the engineering practice shows that the traditional design method of a drum wall could be conservative. such designing method often leads to a thicker drum wall which causes not only difficulties for welding drums " bending and machining, but also let increase the machines " own weight, i. e. reduce the effective performance of the cranes

    但工程實踐表明，起重機捲筒傳統的設計計算方法偏於保守，用傳統方法設計現代起重機械的起升機構，會導致捲筒壁厚增加，這樣不僅對焊接捲筒的彎曲、加工帶來困難，而且往往會加大設備自重使起升機構工作性能降低。
  12. As the performance of weld material or parent material per se could hardly reflect the integral strength of a weldment, the uniaxial cross - weld specimen provides an alternate to qualify the welding procedures

    由於焊材或母材的性質均很難反映焊接接頭的整體強度，用焊縫試樣進行試驗提供了合理評價焊接接頭工藝性能的可能。
  13. The riveting and welding plant of the company has a very strong technical force and a lot of the technical personne, we have kinds of equipments in the milling, shaving, grinding and so on, all kinds of machine parts are made in our company including the biggest parts and the smallest screw - thread steel and lead - screw drive, for example, structural projec, rivet welding parts, bridge building, plant building, tunnel ect, we can also undertaking,

    我公司下屬機械加工鉚焊分廠，實力雄厚科技人員眾多。在銑刨磨各種設備都有。大至工作母機，小至絲桿絲帽，能生產各種難度較高的機床設備，又如結構工程鉚焊機件橋梁建築廠房隧道等等，也能精工承攬。
  14. There are two hard problems in solder joints inspection based on structured illumination. one is how to extract features of solder joints effectively, and the other is how to classify the features of solder joints effectively

    在基於結構式光源的焊點質量檢測方法中有兩個難點:一個是如何提取有效的焊點圖像特徵;另一個是如何對焊點圖像特徵進行有效的分類。
  15. Aiming at the problems of the k190jik rail welding machine, that the parameter modification is difficult, the welding process is not enough stability and the welding machine has no on - line diagnosis function, in this paper, the control system of the welding machine was promoted completely adopting the fx2n - 64mr programmable logic controller and the pcl - 1800 data acquisition card, the das ( data acquisition system ) was set up by using labview and visual basic software, the functions of welding voltage stabilizing and adjusting, current controlling and intellectual modification was improved, welding quality diagnosis system was built up, and the assembling and debugging of the control system was completed, including the process experiments

    本文針對k190jik鋼軌焊機控制系統存在參數修改困難、焊接過程不夠穩定、無焊接質量在線診斷功能等問題，採用日本三菱公司fx2n - 64mr可編程序控制器、研華工控pcl ? 1800數據採集卡等為核心控制部件，對焊機的整機控制系統進行了全面升級。運用軟體labview和vb開發了數據採集系統，完善了焊接穩壓、調壓、電流恆值控制與智能調節功能，利用vb建立了焊接質量在線診斷系統，並完成了系統組裝調試與工藝試驗研究工作。
  16. The conventional quadrants sensors mainly have 4 or 8 quadrants, which are not integrated with the signal processing circuits in one chip but are soldered with the discrete signal processing circuits. in this way, it ' s difficult to realize the micromation and system optimization of the devices. in addition, there are few number of photoelectric sensor parts in conventional quadrants sensors, which limits the targets information got from the conventional quadrants sensors

    傳統的硅象限傳感器主要採用四象限，八象限的結構，採用焊接的方式將分別製造的感光象限和電路結合在一起，不能實現感光象限與信號處理電路的單晶元集成，難以實現器件的微型化和系統優化；同時，傳統象限傳感器的感光象限單元數量較少，獲取的目標信息有限，難以實現對目標的坐標位置獲取、形狀識別等功能。
  17. As the automobile industry ’ s growing, more and more aluminum alloys have used in the manufacturing of automobile and aluminum alloys replaced parts of steel planks used in automobile parts which is one of the key resources for light weighting of automobiles. but as aluminum alloys have some limitation in forming such as crinkle, fracture and difficult for welding, the industrial scale of aluminum alloys is limited

    隨著汽車產業的發展，鋁材在汽車上的用量迅速增加，鋁合金取代部分鋼材成形汽車零件已經成為解決汽車輕量化的關鍵手段之一，然而由於鋁合金在傳統的沖壓成形中會出現難以消除的裂痕和褶皺，以及深沖性能比較差、焊接難度高等特點，使得鋁合金的大規模運用受到限制。
  18. Brazing is a metal joining technique that exhibits its full potential when joining materials that are difficult to weld conventionally, such as different materials, steel alloys, or parts with thin structures, complex shapes, etc

    可焊接其他焊接方法難以焊接的材料，異種材料和合金鋼，薄壁構造或者形狀復雜的部件加工，這種強有效的金屬焊接技術就是銅焊接。
  19. Materials of work - piece : it is used for grinding hard to grind materials such as high - speed iron, wc, heat treatment or thermal spraying work - piece

    適用於研磨高速鋼wc材質經熔射或噴焊處理的難研磨材質。
  20. The penetration of welding bead is hard to be checked directly in practice, so the control on the penetration of welding bead is mainly realized by adjusting the related factors

    由於焊縫熔深在實時狀態下難以直接檢測，因此，對焊縫熔深的控制主要是通過調節與其相關量來實現的。
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