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What materials can be welded by handheld laser welding machines

 In the thin plate welding industry, the hand-held laser welding machine has become an emerging industrial technology loved by the market due to its advantages of simple operation, high efficiency, and smooth and beautiful welds. Hand-held laser welding machines are widely used, but many people want to ask what materials can be welded by handheld laser welding machines?



1. Stainless steel


The thermal expansion coefficient of stainless steel is high, and it is easy to overheat during welding. When the heat-affected area is slightly large, it will cause serious deformation problems, and the heat generated by the hand-held laser welding machine during the entire welding process is low. , coupled with the relatively low thermal conductivity, high energy absorption rate, and melting efficiency of stainless steel, a well-formed, smooth, and beautiful weld can be obtained after welding.


2. Carbon steel


Ordinary carbon steel can be directly welded by hand-held laser welding, the effect is comparable to stainless steel welding, and the heat affected area is smaller, but when welding medium and high carbon steel, the residual temperature is still relatively high, so it is still necessary to weld before welding. Preheating and heat preservation after welding to eliminate stress and avoid cracks. It can be said here that the cold welding machine, the medium and high carbon steel can be welded or repaired at a slow speed with the use of cold welding and cast iron welding wire. The focus is on temperature control, temperature control, and temperature control. excellent.


3. Die steel


The hand-held laser welding machine is suitable for welding various types of die steel, and the welding effect is very good.


4. Aluminum and aluminum alloys


Aluminum and aluminum alloys are highly reflective materials, and there may be porosity problems in the molten pool or at the root during welding. Compared with the previous metal materials, aluminum and aluminum alloys have higher parameter requirements, but as long as the selected welding parameters are appropriate, a weld with mechanical properties equivalent to the base metal can be obtained.


5. Copper and copper alloys


The thermal conductivity of copper is very strong, and it is easy to cause incomplete penetration and partial fusion during welding. Usually, the copper material is heated during the welding process to assist welding. Here I am talking about copper thin materials. Hand-held laser welding can Direct welding, because of its energy concentration, fast welding speed, and the high thermal conductivity of copper has less effect on it.


6. Welding between dissimilar materials


The hand-held laser welding machine can be performed between a variety of dissimilar metals, such as copper-nickel, nickel-titanium, copper-titanium, titanium-molybdenum, brass-copper, low carbon steel-copper and other dissimilar metals in a certain Laser welding can be performed under any conditions (gas or temperature).

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