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坡口     
相关语句
  groove
     The welding conditions were as follows:a U groove,ER90S-B9 welding wire and E9015-B9 covered electrode,using the GTAW backing welding method,with the filled and surface layer covered by SMAW. The pipes were preheated at 250350 for 2 hours;
     工艺条件:采用U型坡口,ER90S-B9焊丝,E9015-B9焊条,手工氩弧焊打底,焊条电弧焊盖面,250~350℃预热,焊后在300~400℃后热,保温2h。
短句来源
     The effects of groove shapes of I,U . double U and V on weid mechanical properties of high strength steel 45CrNiMoV in 7mm thick was investigated.
     报导了具有I、U、双U和V型四种坡口形式对7mm的45CrNiMoV高强度钢板材对接焊缝性能影响的研究。
短句来源
     Application of Fractal Theory and LOWESS Method in Detecting Spherical Tank Welding Groove
     分形理论和LOWESS方法在球罐焊接坡口检测中的应用
短句来源
     Thermal Stress Analysis of Dissimilar Metal Welds of Superheater/Reheater and Their Groove Improvement
     过热器/再热器异种钢接头热应力分析与坡口改进
短句来源
     The K groove is used for heavy plate CO_2 welding in order to increase the thickness of plate to be jointed and decrease the deposited weld metal.
     厚板CO_2焊,采用K形坡口可增加焊接厚度,节约填充金属。
短句来源
更多       
  beveling
     Research on Automatic Underwater Pipe Beveling Machine
     水下管道自动坡口机的研究
短句来源
     Research on the Reverse Design of Underwater Traveling Pipe Beveling Machine
     水下爬管式坡口机反向设计的研究
短句来源
     Study on cutting principle of creeping-on-pipe beveling machine
     爬管式坡口机切削原理研究
短句来源
     Research and Simulation of Electro-hydraulic Proportional Control System of Automatic Underwater Pipe Beveling Machine
     水下管道自动坡口机的电液比例阀控系统及其仿真
短句来源
     Its model of mechanism was established in accordance with the process of operation of beveling machine.
     根据坡口机的作业过程建立了其机构模型;
短句来源
更多       
  weld groove
     A Study on Informatization of Weld Groove by Laser Sensing
     激光传感焊缝跟踪坡口信息化研究
短句来源
     Design and Implementation of an Expert System for the Weld Groove Design and Selection
     焊缝坡口设计与选择专家系统的设计与实现
短句来源
     A study of the improvement of the butt weld groove of a boiler set box and pipe
     锅炉集箱和管道对接焊坡口的改进研究
短句来源
     Cutting Principle and NC Programming System of Weld Groove Face on Blower Impeller Vane
     鼓风机叶片焊接坡口面的切割原理及数控编程
短句来源
     Research On NC Cutting of Weld Groove Face on Blower Vane
     鼓风机叶片焊接坡口面数控切割的研究
短句来源
更多       
  of groove
     The effects of groove shapes of I,U . double U and V on weid mechanical properties of high strength steel 45CrNiMoV in 7mm thick was investigated.
     报导了具有I、U、双U和V型四种坡口形式对7mm的45CrNiMoV高强度钢板材对接焊缝性能影响的研究。
短句来源
     The GTAW techniue of φ18 mm x 3 mm 20#carbon steel pressure gauage tube was introduced. The welding technolgy included the choice of groove, the welding parameters & operation technique, etc.
     介绍了Φ18mm×3mm 20#高压仪表管的氩弧焊焊接工艺,该工艺包括坡口的选用、工艺参数、操作等关键技术。
短句来源
     Based on the cause analysis of welding angular deformation of spherical storage tank, discusses the processing measures for reducing and control of welding angular deformation, type of groove, rigidity fixed method and welding sequence.
     在分析球形储罐焊接角变形产生原因的基础上,从焊接坡口形式、刚性固定方法和焊接顺序等方面探讨了减小和控制焊接角变形的工艺措施。
短句来源
     Baste on stainless composite steel plates 16MnR+0Cr13,the welding performance,welding process,welding materials,type of groove,NDE and PQR were studied. Suitable welding procedure was chose and the welding procedure were applied successfully in welding production.
     针对复合钢板16MnR+0Cr13,从焊接性、焊接方法、焊接材料、焊接坡口、焊后无损检测的选择、焊接工艺评定等几个方面进行探讨,确定合适的焊接工艺,并将其成功应用于实际的焊接生产中。
短句来源
     Effect of Groove Shapes of Welding Joints on Weld Mechanical Properties of 45CrNiMoV Steel
     坡口形式对45CrNiMoV钢焊缝性能的影响
短句来源
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      groove
    Based on MD simulation, nanometric-grinding mechanism is analyzed from the viewpoint of instantaneous distribution of atoms, grinding force, and the potential energy between atoms and the profile of the groove.
          
    The good agreement in the profile of the groove between the experimental value and the simulating value shows that MD simulation is very effective and reliable, and successful to fulfill the investigation on nanometric machining mechanism.
          
    A laser vision sensing based on the adaptive tungsten inert gas (TIG) welding system for large-scale aluminum alloy components was established to fit various weld groove conditions.
          
    A new type of laser vision sensor was used to precisely measure the weld groove.
          
    An adaptive welding process was realized by automatically adjusting the wire feeding speed and the welding current according to the groove conditions.
          
    更多          
      beveling
    Perpendicularly traversing the river is better than beveling; the worst choice is to put the pipeline along the river.
          
    A simple method for beveling micropipettes for intracellular recording and current injection
          
    A simple equipment for beveling intracellular microelectrodes has been made by modifying a conventional turntable.
          
    An agar disc containing ceric oxide polishing compound which was put on a flat glass disc was found to be suitable for beveling of Pyrex single- and double-barreled micropipette electrodes with a tip diameter larger than 0.1 μm.
          
    Through the introduction of end beveling of the pellets, the mobility of the fuel column is increased.
          
    更多          
      weld groove
    A laser vision sensing based on the adaptive tungsten inert gas (TIG) welding system for large-scale aluminum alloy components was established to fit various weld groove conditions.
          
    A new type of laser vision sensor was used to precisely measure the weld groove.
          
      groove butt joint
    Friction stir welding of hot rolled AISI 1018 steel was conducted in square groove butt joint configuration with a tungsten tool.
          
      其他


    Two types of 300A low frequency pulse arc TIG welding machine have been developed. In this machine the pulse current is made purposely to have a peak at the leading edge, which enables successfully one side welding of small diameter tubes in position and meanwhile obtaining good reverse side weld forming. The method for improving the dynamic response of the saturable reactor is analysed and the problem of surge current at the arc initiation is solved. The electric circuits of both types of saturable reactor...

    Two types of 300A low frequency pulse arc TIG welding machine have been developed. In this machine the pulse current is made purposely to have a peak at the leading edge, which enables successfully one side welding of small diameter tubes in position and meanwhile obtaining good reverse side weld forming. The method for improving the dynamic response of the saturable reactor is analysed and the problem of surge current at the arc initiation is solved. The electric circuits of both types of saturable reactor prove that they meet the technological requirements of low frequency pulse arc TIG welding. The pulse current generator is simple and is made with ordinary electronic devices. A simple electronic circuit is adopted for compensating the power mains fluctuation. These machines have excellent characteristics and are simple in construction, reliable in operation, easy to be repaired and light in weight. The weldable thickness for one pass welding ranges from 1-5mm in case of square butt joints and may be larger if bevel groove is applied. The developed machines are now being used in practice for welding 2-3.5mm, thick tubes in position and also the first pass of the circumferential seams of the pressure vessel made with 17mm thick stainless steel plates.

    研制了两种300 A带尖峰的低频脉冲钨极氩弧焊设备,成功地解决了小直径管子等许多产 品的单面焊双面成型的工艺问题。分析了改善磁放大器电磁惯性的方法,克服了引弧冲击问 题;所用磁放大器的两种线路,均能满足低频脉冲焊接的工艺要求;用普通元件作成了简单 的带尖峰脉冲发生器;采用了简便的电网波动补偿方案。焊机性能良好、简单可靠、易造好 修、重量较轻。能不开坡口焊透1-5mm钢板,厚板可开坡口对接。该设备已用于2—3.5mm。 厚的管道全位置焊接生产及17mm不锈钢压力容器的环缝封底焊等。

    An experimental study of the aseismic behavior at beam ends of reinforced concrete frame joints including monolithic connections, key-jointed connections and corbel-jointed connections is carried out. The design of the joint should obey the principle of "strong column and weak beam" so that all plastic hinges are developed at the beam ends. For the full development of beam ductility, different kinds of anchorage of beam reinforcements in the joint core and groove welded connction on longitudinal main beam bars...

    An experimental study of the aseismic behavior at beam ends of reinforced concrete frame joints including monolithic connections, key-jointed connections and corbel-jointed connections is carried out. The design of the joint should obey the principle of "strong column and weak beam" so that all plastic hinges are developed at the beam ends. For the full development of beam ductility, different kinds of anchorage of beam reinforcements in the joint core and groove welded connction on longitudinal main beam bars for preeast joints are investigated.

    根据震害的经验,我们进行了钢筋混凝土框架节点梁端抗震性能的试验研究,其中包括整浇节点、装配式齿槽节点和明牛腿节点。节点的设计均按“强柱弱梁”的原则进行,使所有的塑性铰在梁端产生。为了使梁的延性充分发挥,试验研究了梁内主筋在节点核芯区的不同的锚固方案以及装配式节点中梁内主筋的坡口焊焊接方法。

    The working principle of the automatic laser tracking transducer for welding will be described in the present work. This transducer is not restricted by the roughness of the detected surface by using the non-contact distance-detecting technique for the optical path of the direct-visual transverse focusing alignment. It can be used even to detect the uneven surface which was sheared, planed and manually gas cut. This transducer can be assembled into the single or double as required. The double receiver has various...

    The working principle of the automatic laser tracking transducer for welding will be described in the present work. This transducer is not restricted by the roughness of the detected surface by using the non-contact distance-detecting technique for the optical path of the direct-visual transverse focusing alignment. It can be used even to detect the uneven surface which was sheared, planed and manually gas cut. This transducer can be assembled into the single or double as required. The double receiver has various recepting combinations. By means of recepting signal of these combinations about 30 deviational positions of butt weld groove can be detected. Above-mentioned transducer can directly track the beveled sides, the edge of weld groove as well as the artificial tracking line (plastic tape). Aforesaid transducer has been applied in production.

    本文介绍了研制的焊缝激光自动跟踪传感器的工作原理.由于采用了非接触式的直视横向焦点对准光路的测距法,因此本传感器对被检测表面的光洁度没有要求.它甚至可以检测剪切、刨削和手工气割的凸凹不平的表面.根据需要,传感器可组成单接收器或双接收器。双接收器有多种接收组合,利用这些组合的接收信号可检测对接坡口的三十多种位置偏差.传感器可直接跟踪焊接坡口的斜面或棱边,也可以跟踪人为跟踪线(塑料带).上述传感器已用于生产.

     
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