螺旋埋弧焊管在成型过程中容易产生内焊热裂纹。
Hot cracks commonly occurred in inside weld as the forming process of SSAW pipe.
这个标准涵盖采用承插热熔和对焊热熔方法对聚烯烃材料管道和连接件进行热连接的程序。
This standard covers the procedures for the heat joining of pipe and fittings made from polyolefin materials utilizing either the socket or butt fusion methods.
采用焊接热模拟试验方法研究了2219铝合金双丝焊热影响区的微观结构和力学性能的变化规律。
Microstructure and mechanical properties changing rules of 2219 Al-alloy HAZ (heat-affected zone) with twin wire welding were studied using welding thermal simulation method.
适用于波峰焊、热浸焊和高档引线搪锡。
Apply to wave soldering, welding and hot dip high-grade iron tin wire.
适用于高档电路板的波峰焊、热浸焊和高档引线搪锡。
Apply to the high-grade circuit boards wave soldering, welding and hot dip high-grade iron tin wire.
适用于电路板喷锡，热风整平，波峰焊、热浸焊和引线搪锡。
Tin spray applied to circuit boards, hot air leveling and wave soldering, welding and hot dip tin lead anyone.
管采用热熔对焊连接或电熔套管连接。
HDPE pipe to connect the use of hot-melt or fused welded casing connection.
对有裂纹的装甲钢板和铝热焊修补后的装甲钢板在受同样正向分布载荷下进行了抗击强度分析。
Under similarly distributed load the anti-shock strength is analyzed with regard to cracking armor plate and the thermit welding armor plate.
热影响区的热循环是决定焊后热影响区组织和性能的重要因素。
Thermal cycling is an important factor to determine structure and property of HAZ after welding.
塑料压力管道热熔对接焊的工艺参数随管道尺寸和环境条件的不同而不同，同时还受人为因素的影响。
Parameters of butt fusion welding of plastic pressure-pipe are different for varying pipe diameters and ambient conditions, and it is also affected by personal factor.
采用焊道错位叠加方法，再现了螺旋管双面埋弧焊制管过程中内、外焊焊接热影响区(HAZ)的焊接热循环。
In this paper the HAZ weld thermal cycles of the welding by both sides submerged arc welded steel pipe were reproduced by the dislocation overlap weld method.
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.
分析了双相不锈钢及其焊缝和热影响区中产生的金属间化合物等二次相对焊管使用性能的影响。
It analyses quadratic phase stainless and its metal compound generated from weld seam and HAZ, which affect welded pipe usage property.
他们掌握电弧，热阻，高能束，和固态焊等。
They master arc, resistance, high-energy beam, and solid-state welding.
介绍了综合运用电刷镀、热喷焊技术对德国制造的三叶罗茨鼓风机密封筋、型面进行“再生”的工艺过程。
Technological process of regeneration of seal rib and profile on tri-lobe Roots blower made in Germany is introduced comprehensively using the technique of electric brush plating & hot spray welding.
采取严格清理焊接区、高焊材纯净度、强熔池保护及控制线能量等措施消除了蒙乃尔合金焊接中的气孔和热裂纹，保证了产品焊接质量。
By strictly clearing up weld zone, improving welding material's purity, strengthening molten pool's shield and controlling energy input etc measures, weld zone's hot crack and blowhole were prevented.
用三维有限元方法对超声波线焊进行了瞬态的热-结构分析。
Thermal-structural analysis was performed for ultrasonic wire bonding(UWB) by three dimensional finite element method(FEM).
根据对比铝热焊与手弧焊修复工艺，阐明了用铝热焊修复钢锭模是一种高效、节能、焊接质量好的新方法。
By comparison with manual arc welding, it is found that the thermit welding is a efficiency, energy saving and high quality process for repair welding of steel ingot die.
加大外部拘束会在一定程度上削弱随焊激冷防止热裂纹的效果。
Increase external restraint will reduce to some degree the effect of preventing hot cracking by trailing intense cooling.
采用钢轨弹力紧固装置和钢轨铝热焊技术，减少钢轨接头，克服钢轨热胀冷缩带来的弊端，使得行车在钢轨上运行平稳可靠。
Thermit welding and elastic fastening device can reduce the number of joints, overcome the thermal expansion and cold shrinkage of rails, and make the operation of traveling crane smooth and steady.
分析了铝热焊焊接过程中出现的各种焊接缺陷，并提出了预防措施。
This paper analyzes various welding defects appearing in the process of thermit welding, and advances some control measures.
结果表明：焊接接头横截面宏观结构特征表现为焊核区的“洋葱环”和热-机械影响区的塑性流线变形，洋葱环的环间距随着距焊缝中心距离的增大而减小；
The experiment result shows that the spacing of onion rings, which is the most prominent features of most friction stir welds, decreases with the distance of onion ring to centerline increasing .
用焊接热模拟方法确定了焊后热处理工艺参数。
The technological parameter of post-welded heat-treatment is determined by welding thermal simulation test.
介绍了一种热强钢堆焊焊条的堆焊工艺要求、焊层特性。
The technology requirements and characteristics of overlay of a refractory steel build-up welding wire are introduced.
激光、电子束等高能束焊接加热具有升温速度快、热集中性与瞬时性强等特点，对被焊材料造成热冲击。
Laser and electron beam welding produce thermal shocks on the materials with rapid transient and concentrated high energy beam.
详细叙述了大型铸铁导轨缺陷的热焊补方法，从不同角度考虑选取了铸件的焊补工艺。
The hot welding repairing method of defects of heavy cast iron guides was described in de-tail.
我用丙烷火炬和酱油潘并在这样做，我没有得到足够的热焊或一致，而且我也没有预热模具。
I used a propane torch and a sauce pan and in doing so, I didn't get the solder hot enough or consistent throughout, and I also didn't preheat the mold.
随焊冲击碾压是一种控制薄壁结构焊接应力变形、防止热裂纹的新方法。
Weld with trailing impactive rolling (WTIR) is a new technique to reduce the residual stress and distortion and prevent hot cracking of thin-walled structure.
主要研究A105钢小直径焊丝埋弧焊时，电弧电压、焊接电流和焊接热输入对焊缝成形的影响。
The effects of arc voltage, welding current and heat input on the weld appearance in submerged-arc welding(SAW) of A105 steel with small diameter welding wire were experimentally researched.
限热槽通常用于直插元件的内电层以利于焊接和拆焊。
A thermal relief is used on plane layers for thru-hole components to make soldering and desoldering easier.
应用推荐