Due to its good physical and chemical properties and excellent mechanical properties, aluminum alloys are widely used in semiconductor and microelectronics industries. With the development of modern industrial products in the direction of high strength, light weight and high performance, the laser pointer cutting method of aluminum alloy is also developing in the direction of precision, efficiency and flexibility. Laser cutting has the advantages of narrow kerf, small heat-affected zone, high efficiency, and no mechanical stress on the cutting edge. It has become an important method for precision machining of aluminum alloys.
The laser cutting method of aluminum alloy is becoming more and more perfect with the development of science and technology. The existing aluminum alloy laser cutting generally adopts the method of cutting head and auxiliary gas to cut. Alloy, with high-pressure auxiliary gas to blow away the molten material.
This cutting method mainly uses two lasers with wavelengths of about 10640nm and 1064nm, both of which belong to the infrared wavelength range. For precision cutting of aluminum alloy thin plates with a cutting size accuracy of micrometers, due to its large spot and large heat-affected area, it is easy to Slag and micro-cracks are generated at the cutting edge, which ultimately affects the accuracy and effect of cutting.
The aluminum alloy blue laser pointer cutting system and method of the embodiment realizes the cutting of the workpiece to be cut in a non-contact manner by using the smaller pulse width and shorter wavelength of the laser beam, avoiding the contact stress loss of the workpiece to be cut by the mechanical method, and the During the processing, problems such as micro-cracks and slagging are caused by the thermal processing mechanism.
Fix the workpiece to be cut horizontally by using a specific fixture, while keeping the position of the cutting seam suspended, support the cutting area of the workpiece to be cut from the back to prevent the cutting edge from being damaged by the stress caused by the drop at the moment of cutting; it is treated by circulating cooling water in the water tank device The cutting workpiece is cooled to reduce the influence of heat on the surrounding materials and further improve the cutting quality; cutting through the combination of multiple cutting paths to expand the width of the slit and improve the cutting efficiency.
The above-mentioned embodiments are preferred embodiments, but the embodiments are not limited by the above-mentioned embodiments. Any other changes, modifications, substitutions, combinations, and simplifications made without departing from the spirit and essence and principles shall be, etc. Effective replacement methods are included in the protection scope of the aluminum alloy laser engraver cutting method.