Computer numerically controlled (CNC) laser cutting is a sheet metal manufacturing process carried out by CNC laser cutters. The primary form of laser cutting for sheet metal is 'vaporisation cutting', in which the laser beam melts the material and a high pressure gas removes the molten material.
Add some CNC to that, and you get a machine that can cut or engrave very intricate parts made of wood, plastic, rubber, metal, foam, or other materials. Every material has its limitations and benefits when comes to a laser cutting.
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A CNC laser cutter is a piece of computer numerical control (CNC) equipment that uses a focused, high-powered laser beam to mark, cut, or engrave a material to form custom shapes. Its unique design and operation make it highly accurate, especially when cutting intricate shapes and small holes.
In this article, we will explain the basics of CNC laser cutting. First, we will explain the CNC laser cutting process before discussing its types and advantages over conventional CNC machining.
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CNC laser cutting is a non-contact, thermal-based process. A CNC laser cutter features a laser head containing a laser focusing lens and a nozzle. Through the nozzle, this head and lens assembly focuses a laser beam — a column of very high-intensity light ㅡ on the workpiece, melting and cutting the workpiece to form the desired shape. CNC lasers employ compressed gas (also flowing through the nozzle that ejects the laser beam) to cool the focusing lens and expel the vaporized metal out of the workpiece.