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来源:/  发布时间:2021-03-11 浏览次数:

全自动焊机设计用于化学工业中锅炉和热交换器产品的焊接。它主要包括电源(包括控制系统和水冷却系统),机头和焊接操作架;全自动焊机可根据客户的焊接工艺要求使用。选择自熔/焊丝,直流/脉冲焊接方式,无绕组水电的核心设计,可以实现单道次和多道次的复杂工艺要求

Automatic welding machine is designed for the welding of boiler and heat exchanger products in chemical industry. It mainly includes power supply (including control system and water cooling system), machine head and welding operation frame; automatic welding machine can be used according to customer's welding process requirements. With the core design of self fusion / welding wire, DC / pulse welding mode and no winding hydropower, the complex process requirements of single pass and multi pass can be realized
有芯中心定位和焊接操作框架定位两种方法,根据不同的管径选择不同的定位方法,设计更加合理,人性化。全自动焊机的焊接系统集成度高,运行稳定可靠。还有一种自溶型,通常与薄壁管焊接在一起,例如用于发电厂冷凝器的不锈钢管或钛管。当然,它也可以用于热交换器行业 .
There are two methods of core center positioning and welding operation frame positioning, and different positioning methods are selected according to different pipe diameters, so the design is more reasonable and humanized. The welding system of automatic welding machine has high integration and stable and reliable operation. Another self dissolving type is usually welded with thin-walled tubes, such as stainless steel or titanium tubes used in power plant condensers. Of course, it can also be used in the heat exchanger industry
全自动焊机的工作原理:焊接原理介于冷压焊接和摩擦焊接之间,它利用高频机械振动产生的高密度能量。超声波金属焊接的焊接头的机械振动与工件表面平行。在焊接过程中,静压通过焊接头垂直作用在焊接表面上,并叠加了高频振动的剪切力。
Working principle of automatic welding machine: the welding principle is between cold pressing welding and friction welding. It uses high-density energy generated by high-frequency mechanical vibration. The mechanical vibration of ultrasonic metal welding joint is parallel to the workpiece surface. In the welding process, the static pressure acts vertically on the welding surface through the welding joint, and the shear force of high frequency vibration is superimposed.
当剪切力超过材料的弹性极限时,工件接触表面的一部分开始滑动。该剪切力在焊接过程中,方向以每秒数万次的频率连续变化,并且工件表面上的污垢被破坏并清除。
When the shear force exceeds the elastic limit of the material, a part of the contact surface of the workpiece begins to slide. During the welding process, the direction of the shear force changes continuously with tens of thousands of times per second, and the dirt on the surface of the workpiece is destroyed and removed.
纯金属的表面开始形成多点接触。随着高频振动的继续,纯金属的接触面积继续扩大,直到扩展到整个焊接区域。同时,原子扩散在接触表面上,并且金属重结晶以产生细晶粒的结构并且表现出金属的冷变形的特性。
The surface of pure metal began to form multi-point contact. As the high frequency vibration continues, the contact area of pure metal continues to expand until it extends to the whole welding area. At the same time, the atoms diffuse on the contact surface, and the metal recrystallizes to produce fine grain structure, which shows the characteristics of cold deformation of metal.

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