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For sheet metal cutting, the focal length is usually 1.5–3 inches (38–76 mm). [7] [8] Advantages of laser cutting over mechanical cutting include easier work holding and reduced contamination of workpiece (since there is no cutting edge which can become contaminated by the material or contaminate the material). Precision may be better since ...
Cutting bit rotation speeds on metal working equipment is typically too slow to produce good results in wood. Typical wood piece before router cutting Typical work done by a CNC wood router. A CNC wood router is a CNC router tool that creates objects from wood. CNC stands for computer numerical control. The CNC works on the Cartesian coordinate ...
There is bit call as diamond tools with different diameter 4mm, 6mm, 8mm mainly used. For wood CNC-ing, bits with sharp cutting edges are used, while for Stone CNC-ing, the bits are made of a metal bar with a sintered layer of extremely hard but roughly shaped particles. Routing CNC is more like grinding than cutting.
Helium–silver (HeAg) metal-vapor laser [3] 224.3 nm Scientific research Strontium vapor laser: 430.5 nm Scientific research Neon–copper (NeCu) metal-vapor laser [3] 248.6 nm Electrical discharge in metal vapor mixed with neon buffer gas. Scientific research: Raman and fluorescence spectroscopy [4] [5] Copper vapor laser: 510.6 nm, 578.2 nm
The same conduction that works against the spot vaporisation of metal is an asset if the objective is to vaporise some other coating away from the metal. Laser engraving metal plates are manufactured with a finely polished metal, coated with an enamel paint made to be "burned off". At levels of 10 to 30 watts, excellent engravings are made as ...
Drilling a hole in a metal part is the most common example of a chip producing process. Using an oxy-fuel cutting torch to separate a plate of steel into smaller pieces is an example of burning. Chemical milling is an example of a specialty process that removes excess material by the use of etching chemicals and masking chemicals. There are ...
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