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Parameters affecting the operation of Automatic laser welding machine

Parameters affecting the operation of Automatic laser welding machine

(Summary description)This article introduces the parameters that affect the operation of the Automatic laser welding machine

Parameters affecting the operation of Automatic laser welding machine

(Summary description)This article introduces the parameters that affect the operation of the Automatic laser welding machine

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Automatic laser welding machine uses high-energy laser pulses to locally heat the material in small areas. The energy of laser radiation diffuses to the interior of the material through heat conduction and melts the material into a specific molten pool.It is a new type of welding method, mainly for thin-wall materials and precision parts. It can realize spot welding, butt welding, overlapping welding, sealing welding, etc., with high depth-width ratio, small width of weld, small heat-affected zone, small deformation, fast welding speed, smooth and beautiful weld, no treatment or simple treatment after welding, high quality of weld, no pore and precise control.Small focus point, high positioning accuracy, easy to achieve automation.

Power density is one of the most critical parameters of Automatic laser welding machine.With high power density, the surface can be heated to boiling point in microseconds, resulting in a large amount of vaporization.

Pulse waveform is an important problem in welding, especially when welding sheets with Automatic laser welding machine.When a high-intensity beam hits the surface of the material, some energy is lost from the surface of the metal, and the reflectance varies with the surface temperature.Metal reflectivity varies greatly during a pulse duration.

Pulse width is one of the important parameters of pulse welding. It is an important parameter which is different from material removal and material melting. The pulse width of Automatic laser welding machine is a key parameter to determine the cost and volume of processing equipment.

The effect of defocus.Because the power density at the center of the laser spot is too high, it is easy to evaporate into holes.The power density distribution is relatively uniform on all planes away from the laser focus.There are two ways to defocus the Automatic laser welding machine: positive and negative.The focal plane is positively defocused and negatively defocused above the workpiece.

 

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© 1999-2018 All Rights Reserved 

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