Çelik boru kaynak işlemleri Teknik özelliklerin kısa bir analizi

Kaynak çelik boru işlemi ısıtma yoluyla yapılır, basınçlandırma, Partiyi temsil eden bir partiden seçilen bir veya daha fazla ürün, kaynak sarf malzemeleri ile veya olmadan, böylece iki iş parçası birbirleri arasında atom difüzyonu üretir, işleme teknolojisi ve bağlantının metalurjik bir kombinasyonunu oluşturmak.kaynaklıçelikborular hemalik heme te Metalik olmayan uygulamalardayaygınOalarakkullanılmaktadır.. gelelim teknikÖzelliklerine6 enyaygınKaynaklıçelikboruuiişlemleri。

1。电子束焊接钢管

电子束焊接是一种使用加速和聚焦的电子束产生的热能焊接钢管的方法。
电子束焊接钢管广泛用于许多行业，例如航空航天，，，，原子能，，，，国防和军事，，，，由于没有焊杆的优势，汽车和电气仪器，，，，不容易氧化，，，，good process repeatability and small thermal deformation。

The working principle of electron beam welded steel pipe

Electrons escape from the emitter（（阴极）in the electron gun，，，，并在加速电压的作用下，，，，电子被加速到0.3Için0.7速度光速，，，，with a certain kinetic energy。索拉，through the action of electrostatic lens and electromagnetic lens in the electron gun，，，，高成功率密度的电子束收敛。该电子光束撞击工件的表面，，，，and the electron kinetic energy is converted into thermal energy，，，，导致金属融化并迅速蒸发。在高压金属蒸气的作用下，，，，工件的表面很快“钻孔透明从一个小洞里出来，，，，也称为“钥匙孔”，，as the electron beam and the workpiece move relatively，，，，the liquid metal flows along the small hole around the back of the molten pool，，，，and cools and solidifies to form a weld。
电子束焊接钢管的主要特征
电子束穿透能力很强，，，，功率密度极高，，，，the weld depth to width ratio is large，，，，可以到达50：1，可以实现大厚度材料的一次性形成，，，，并且最大焊接管厚度高达300mm。Welded steel pipe accessibility is good，，，，welded steel pipe speed is fast，，，，generally above 1m/min，，，，小热影响区，，，，焊接钢管变形很小，，，，焊接管结构精度高。The electron beam energy can be adjusted，，，，焊接金属的厚度可以从薄到0.05mm至厚到300mm，，，，不打开凹槽，，，，and the welded steel pipe is formed at one time，，，，其他焊接钢管方法无法实现这一点。The wide range of materials that can be welded with electron beams is particularly suitable for welded steel pipes with active metals，，，，具有高质量要求的耐火金属和工件。

2。激光焊接钢管

Laser welded steel tube：laser radiation heating surface to be processed，，，，通过热传导到内部扩散的表面热量，，，，通过控制激光脉冲宽度，Enerji，峰值功率和重复频率以及其他激光参数，，，，使工件融化，，，，forming a specific pool。

（（Spot welding fixing of welded steel pipe fittings）

（（Continuous laser welding of steel pipes）

激光焊接钢管can be achieved by using continuous or pulsed laser beam，，，，激光焊接钢管的原理可以分为热导电焊接钢管和激光深熔体焊接钢管。用于热传导焊接的功率密度小于10〜10 W/cm，su anda，the melting depth is shallow，，，，and the welding speed of steel pipe is slow;When the power density is greater than 10~10 W/cm，，，，the metal surface is concave into a“ delik”under the action of heating，，，，形成深层融合焊接，，，，具有快速焊接钢管速度和大深度与宽度比的特征。

激光焊接钢管technology is widely used in automobiles，，，，gemiler,飞机，，，，高铁和其他高精度制造场，，，，这给人们的生活质量带来了重大改进，并带领家用电器行业进入了精工时代。

3。激光复合焊接钢管

激光复合焊接钢管是激光束焊接钢管和MIG焊接钢管技术的组合，以获得最佳的焊接钢管效应，，，，快速和焊接桥能力，，，，是最先进的焊接钢管法。

激光复合焊接的优势是：hızlı hız,小热变形，，，，small thermal influence area，，，，并确保焊接的金属结构和机械性能。

除了用于汽车板结构零件的焊接钢管，，，，laser composite welding is also suitable for many other applications。Örneğin,该技术应用于混凝土泵和移动起重机繁荣的生产，，，，which require the processing of high-strength steel，，，，and traditional technologies often lead to increased costs due to the need for other auxiliary processes such as preheating。Ek olarak,the technology can also be applied to the manufacture of rail vehicles and conventional steel structures（（such as bridges，，，，fuel tanks，vb。）。

4。Friction stir welding

摩擦搅拌焊接是使用摩擦热和塑性变形热作为焊接钢管的热源。The process of friction stir welding steel pipe welding is made up of a cylinder or other shape（（例如螺纹缸）搅拌针伸入工件的接缝，，，，焊接头的高速旋转使其在焊接钢管工件材料上摩擦，，，，so that the material temperature of the connection part is increased and softened。

在焊接钢管的过程中搅拌焊接，，，，工件应严格固定在后垫上，，，，焊接头侧高速旋转，，，，工件边缘的接缝相对于工件移动。

The protruding section of the welding head extends into the material for friction and stirring，，，，and the shoulder of the welding head rubs against the surface of the workpiece to generate heat，，，，and is used to prevent the spillage of the plastic material，，，，and can play a role in removing the surface oxide film。

At the end of the friction stir weld，，，，在终端留下一个钥匙孔。Usually this keyhole can be cut off，，，，或可以通过其他焊接钢管方法将其密封和焊接。

摩擦搅拌焊接可实现不同材料之间的钢管焊接，，，，例如金属，，，，陶瓷，，，，塑料，，，，vb.摩擦搅拌焊接焊接钢管具有高质量，，，，产生缺陷并不容易，，，，并且很容易实现机械化，，，，自动化，，，，稳定的质量，，，，low cost and high efficiency。

5。Flash butt welding

The principle of flash butt welding is to use the butt welding machine to make the metal contact at both ends，，，，通过低压的强电流，，，，金属加热到一定温度并变软后，，，，the axial pressurized top forging is carried out to form a pair of welded steel pipe heads。

在没有接触两个焊接之前乐动app下载安装，，，，they are clamped by two clamp electrodes and connected to the power supply，，，，可移动的固定装置，，，，the two weldment end faces are gently in contact with the electric heating，，，，the contact point is blasted due to heating to form a liquid metal，，，，喷气式火花形成闪光灯，，，，连续移动的移动灯具，，，，闪光不断发生，，，，the two ends of the weldment are heated，，，，达到一定温度后，，，，挤压两个工件的末端，，，，切断焊接钢管的电源，，，，并且焊接钢管被牢固地焊接在一起。焊接接头通过阻力加热以产生接触点的闪光乐动app下载安装，，，，the metal of the weldment end surface is melted，，，，and the top force is quickly applied to complete the welding steel pipe。

钢杆闪光灯对接焊接是将两个钢筋安装到一个对接形式中，，，，通过电阻热产生的两个钢筋接触点的使用焊接钢管电流乐动app下载安装，，，，so that the contact point metal melting，，，，resulting in a strong splash，，，，the formation of flash，，，，伴随着辛辣的气味，，，，release trace molecules，，，，快速施加顶部锻造力以完成压力焊接方法。

6.Ultrasonic metal welded steel pipe

超声金属焊接钢管是一种使用超声频率的机械振动能连接相同金属或不同金属的特殊方法。When the metal is ultrasonically welded to the steel pipe，，，，it neither transmits current to the workpiece nor applies a high-temperature heat source to the workpiece，，，，but under static pressure，，，，框架的振动能量转换为摩擦工作，，，，工作室变形能和有限的温度升高。关节之间的冶金键是实心焊接的钢管，在不融化碱金属的情况下实现。

它有效地克服了当电阻焊接钢管时产生的飞溅和氧化现象，，，，超声金属焊接机可以执行单点焊接钢管，，，，多点焊接钢管和短条焊接钢管，用于细线或铜材料，，，，silver，，，，alüminyum,镍和其他有色金属。可以在晶闸管铅中广泛使用，，，，保险丝碎片，，，，electrical leads，，，，lithium battery pole pieces，，，，杆耳焊道。

Ultrasonic metal welded steel pipe uses high-frequency vibration waves to transmit to the metal surface of the steel pipe to be welded，，，，并在压力下，，，，the two metal surfaces rub against each other to form a fusion between molecular layers。

超声金属焊接钢管的优势很快，Enerji Tasarrufu，high fusion strength，，，，良好的电导率，，，，没有火花，，，，并接近冷处理;The disadvantage is that the welded steel pipe metal parts can not be too thick（（通常小于或等于5mm），，，，the solder joint can not be too large，，，，需要加压