输送机滚筒表面焊有齿块，与链带啮合传动；
Conveyor pulley is furnished on its surface with welded teeth, which are in mesh with chain belt.
测量了激光对接焊后热轧钢板正背表面焊缝宽度，分析了激光焊的焊接速度对热轧钢板焊缝成形和质量的影响。
The width of laser welds on the top and bottom surfaces of hot rolled plates after laser welding was measured.
需焊接或热切割的表面应排除所有可能会损坏焊材或母材的杂物，如脂、油、灰尘、水垢、熔渣和油漆等。
Surfaces to be welded or thermally cut shall be cleaned of all foreign material such as grease, oil, dirt, scale, slag and paint that would be detrimental to either the weld or base material.
需要离开线路板安装的组件在线路板表面利用引脚形状或其它机械支撑来防止焊盘的翘起。
Components required to be mounted off the board are provided with lead forms at the board surface or other mechanical support to prevent lifting of solder land.
给出了高强钢焊趾表面裂纹在压弯组合应力下应力强度因子及其疲劳寿命计算式。
The formulae for calculating SIF and fatigue life of surface crack at weld toe of the high-strength steel under the combination stresses were given out.
回流焊：应用加热金属涂敷层的表面和预涂焊膏，熔融，连接和凝固两个金属涂层。
Reflow Soldering: Melting, joining and solidification of two coated metal layers by application of heat to the surface and predeposited solder paste.
给出高强钢焊趾表面裂纹在压弯组合应力下应力强度因子及其疲劳寿命计算式。
The formulae for calculating SIF and fatigue life of surface crack at weld toe of the high-strength steel under the combination stresses have been presented.
表面瑕疵，例如碎片，烧痕，焊渣，砂眼应用磨光机打磨。
Surface imperfections, such as slivers, scabs, burrs, weld splatter, and gouges, shall be removed by grinding.
传统的通孔元件的焊接采用波峰焊或手工焊接。目前电路板上表面贴装元件和通孔元件混合在一起。
Through hole components welding using traditional manual welding or soldering. The circuit board surface mount components and through-hole components mixed together.
本产品适用于焊接前坡口及焊接后缝焊表面的修磨，金属薄板及小型钢的切割，金属及大理石表面的修磨，除锈抛光。
This product is suitable for fixing and throwing light whet superficially after welding and before it in metals lamella and small scaled steels incise metals and marbles.
影响印制板表面电阻的因素包括印制板材料、有无涂层(例如防焊漆或保形涂层)，以及电路板的清洁。
Factors that affect the surface resistance of the board include the board material, the presence of coatings such as solder masking or conformal coatings, and board cleanliness.
另外，在阻焊膜涂覆前，用等离子体对印制电路板面处理一下，还可获得一定的粗糙度和高活性的表面，从而提高阻焊膜层的附着力。
In addition, the solder mask coating on printed circuit board, with the plasma treatment, can also obtain certain roughness and high active surface, thus improving the solder coating adhesion.
在叠层的组装工艺中，比如基板- 焊片-芯片，即使有部分表面被盖住了，这种气氛同样有效。
This is also preformed on covered surfaces a stacked assembly : substrate - pre - form - die.
本文介绍了用于高速光电组件的表面安装型焊球阵列（BGA）封装技术。
Surface mount BGA Packaging Technology for high-speed Optoelectronic modules is described in this paper.
250BV 基板清洁机，采用毛刷真空清洁方式在线清洁PCB焊盘表面的异物。适用于板屑和绿油残片较多的基板。
UC-250BV adopts Brush+ Vacuum cleaning method to clean dusts on the surface of PCB. It is suitable to clean PCB with much dust.
采用“立方”孔型变形形式，结合简明的超越三角方程进行设计计算，以得到精确的孔型尺寸及高表面质量的焊管。
A precise pass-size and welded pipe with excellent surface quality can be get when the deformation way of cube-pass and design calculation with surpass trigonometric equation are used.
采用喷焊技术在低碳钢表面获得合金熔覆层。
A new alloy overlay was prepared by spraying-welding technique on low carbon steel surface.
一种小型的射吸式喷砂枪，可用作喷涂喷焊前的表面清洁毛化处理。
A mini-sized sand-blasting gun of ejection-and absorption type, used to clean and roughen the metallic surfaces for thermal spraying.
通过优化工艺参数，提高了合金焊盘条性能和表面质量。
Mechanical property and surface quality of alloyed welding wire rod have been improved on optimizing process parameters.
引线键合的效率主要依赖于受表面特性影响的键合点的可焊性。
The yield of wire bond mainly depends on the bondability of the bond pad which is affected by the surface characteristics.
用埋弧自动焊方法成功地修复了表面磨损的大型压机主柱塞。
By adopting the automatic submerged arc welding process, the main plunger which surface has been worn out on the heavy duty hydraulic press has been successfully repaired.
又算出了这五种形状角焊缝趾端部和焊肉中央处的表面裂纹疲劳断裂的寿命。
The fatigue life of the surface cracks of the weld toe and the central part of the welding bead are calculated.
离子注入确实可以显著提高陶瓷材料的可焊性，但提高陶瓷材料表面导电性并不是提高其钎焊性能的主要因素。
Ion implantation can surely improve the joining ability of the ceramic surface, but the reasons of improving the brazing ability other than the electric conductivity should be found.
介绍近几年出现的一种新型的CO_2气体保护焊接方法——表面张力过渡焊在导管架建造中的应用情况。
The application of a new welding process shield by CO2 - STT (surface tension transfer) is introduced in construction of jacket.
合金粉末表面热喷焊技术是一种新的表面防护和强化工艺。
Surface thermal spray weld process with alloy powder is a new technology of surface protecting and hardening.
综述了表面改性在陶瓷钎焊和扩散焊领域应用的研究现状，并展望了表面改性技术在材料焊接领域的应用前景。
In this paper, the present research on the surface modified the weldability of ceramic materials during brazing and diffusion welding was reviewed.
双缝高速次级整流缝焊是一项新工艺，具有焊接质量好、焊接速度快、焊缝表面光洁及能耗低等优点。
A new process of high speed seam welding with secondary rectification for double seam possesses good weld quality, high welding speed, smooth bead and low consumption features.
待焊表面涂抹专用密封胶后，可形成结合线伸入缺陷，但对接头组织和力学性能影响不大。
Special glue is used on the surface of specimen , forming welding defect, which has little influence on microstructure and mechanical properties of joint.
待焊表面涂抹专用密封胶后，可形成结合线伸入缺陷，但对接头组织和力学性能影响不大。
Special glue is used on the surface of specimen , forming welding defect, which has little influence on microstructure and mechanical properties of joint.
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