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What has to be considered when laser welding specific materials?

Views: 28     Author: Leapion     Publish Time: 04-20-2022      Origin: https://www.leapion.com/

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     Today,Leapion will show you areas of application for laser welding and what has to be considered when laser welding specific materials?


What has to be considered when laser welding specific materials?


Laser welding of metal sheets

    Welding describes the joining of materials by heat. Thin sheets are generally better suited for full-surface seam welding than thick sheets. Nowadays, laser welding can process astonishing material thicknesses. Due to its variable welding temperature, it is relatively insensitive to the individual types of metal. Regardless of whether stainless steel, structural steel, copper, or other types of sheet metal are to be welded, laser beam welding masters this task with consistent precision. The only prerequisites are a sufficiently narrow welding gap and precisely set welding temperature and frequency. If the joining gap is too large, a satisfactory result can still be achieved by deposition or fill welding - even with the laser welding process.


Laser welding of aluminum

    When laser welding aluminum, only an aluminum-manganese alloy can be welded without filler material. All other alloys can only be laser welded with the help of additives. This applies in particular to aluminum-silicon compounds. Aluminum alloys with manganese can only be processed to a limited extent by laser welding.


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Areas of application for laser welding: Laser welding is becoming more and more widely used. Typical areas are:

    

    1.Tool construction

    2.Automobile industry

    3.Steel construction

    4.Shipbuilding


    Laser welding is popular in tool making because of its precision. It is therefore in direct competition with the eroding process. The manufacture of precise punching, pressing, and casting tools by additive or subtractive laser welding is the answer to the challenges of industry 4.0.

    In the automotive industry, laser welding is used because of its tool-free mode of operation. In contrast to electric welding, laser welding does not require any constant cleaning or replacement of the heads. Steel construction is experiencing completely new dimensions in terms of precision and productivity through laser welding.

  Fast processing of thick sheets within high tolerances is no longer a fiction due to laser beam welding. This also applies to shipbuilding: There, it is above all precision-manufactured parts such as rudders, control, and drive screws that achieve their desired tolerance by laser welding. The result is higher speeds and lowers fuel consumption of the ships.


Buy used laser welding machines


    Thanks to the tool-free laser welding process, wear in the systems is comparatively low. In laser welding, the tool head moves along the desired path practically contact-free. The transfer to the workpiece takes place through the air. The guide and bearing of the robot arm are therefore hardly exposed to any significant wear.

    However, the laser optics are exposed to tremendous stress. The high temperatures applied here are generated by bundling the light. If particularly inexpensive systems for laser welding are offered, this is usually due to missing or defective optics. It then remains a matter of calculation: With a fresh look and an overhauled laser generator, a used laser welding system is almost as good as new one.


    If you have any questions about welding machine, Leapion is here to resolve any of your queries. We specialize in all types of laser technologies. You can contact us and we will be available to assist you.



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