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Fully automatic bed CNC metal stainless steel carbon steel cutting machine laser cutting machine
Model: BW-G6025
Cutting range: 6000x2500mm (Optional)
Laser power: 1kw/2kw/3kw/4kw/6kw/8kw/10kw/12kw/15kw/20kw/30kw (Optional)
Max moving speed: 120m/min
Max cutting speed: 35-80m/min
Positioning accuracy: 0.03mm
Repositioning accuracy: 0.02mm
Min line width: 0.1mm
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Oxidation cutting is a thermal process that occurs when the oxygen blown out of the nozzle is ignited by the laser, and the oxygen undergoes a violent chemical reaction; for brittle materials that are easily damaged by heat, high-speed and controllable cutting is performed by laser beam heating. Thermal gradients and severe mechanical deformation lead to the formation of cracks in the material, also known as controlled fracture cutting.
In blasting perforation, the material is irradiated with a continuous laser beam to form a pit in the center. The blasting perforation has a larger perforation diameter for thicker plates and is not round. This process is not suitable for parts with high precision requirements. In addition, since the perforation uses gas, the splash is large. The advantage is that it is fast, but the disadvantage is that it affects the processing of small shapes.
Pulse perforation uses a pulsed laser with high peak power to melt or vaporize part of the cutting track of the material. Air or nitrogen is often used as an auxiliary gas to reduce the expansion of the hole due to exothermic oxidation. Each pulse produces only a tiny spatter, and the cut is progressively deeper, so the piercing time for thick plates takes a few seconds. In this way, the diameter of the perforation is smaller, and the perforation quality is better than that of blasting perforation. The advantage is that the quality is better, and the disadvantage is that the cost is relatively high, and a more reliable pneumatic control system is required.
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