難焊接的 的英文怎麼說
中文拼音 [nánhànjiēde]
難焊接的
英文
difficult 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
- 接 : Ⅰ動詞1 (靠近;接觸) come into contact with; come close to 2 (連接; 使連接) connect; join; put ...
- 的 : 4次方是 The fourth power of 2 is direction
- 焊接 : weld; welding; soldering; seal; sealing; sealing-in; shutting together
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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。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。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。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。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。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。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。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。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。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。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。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。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。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。The closed angle produced in the welding process of two round pipelines with the same diameter can result in velocity discontinuity, which makes it sharp for such a welding process to be realized, and so the arc transition correct method is given
當焊接兩圓管的直徑相同時,施焊過程中會產生尖角,導致速度不連續,而難以在焊接過程中實現,由此確定採用圓弧過渡的修正方法。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。The welding technology of robot is one of the very important research fields of welding technology, but the arc welding robots in use at present are offline show - teaching types, it is not easy to implement real - time seam tracking for welding accurately
機器人自動焊接技術是現代焊接技術的重要研究領域之一,但是,目前使用的弧焊機器人大多是離線示教型,難以實現實時精確的焊縫跟蹤。分享友人