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Tell me about the classification of CNC precision parts processing

by:HENRY PARTS     2020-10-27
Tell me about the classification of CNC precision parts processing in CNC precision parts processing, there are two major categories, there are mainly the ultra-precision turning, mirror grinding and grinding etc. On ultra-precision lathe with after fine grinding of single crystal diamond tool trace cutting, cutting thickness only 2 microns, often used for processing non-ferrous metal material on the surface of the spherical and aspherical peaceful mirror such as high precision, high bright and clean the surface of the parts. For example, the processing and fusion device with a diameter of 800 mm aspherical mirrors, the highest accuracy can reach 0. 2 microns, the surface roughness is Rz0. 04 micron. When CNC precision parts machining accuracy in nanometer, and eventually to atomic unit ( Atomic lattice distance of 0. 1 to 0. 2 nm) As the goal, the machining method can not meet, needed a special processing method, namely the application of chemical energy, electrochemistry energy, heat or electricity and so on, make these energy beyond the binding energy between atoms, thereby removing the part between atoms on the surface of the workpiece adhesion, bind and lattice deformation, in order to achieve the purpose of the ultra precision machining. Stainless steel parts processing belongs to this kind of machining with mechanical chemical polishing, ion sputtering and ion implantation, exposure to radiation, laser beam machining, metal electron beam evaporation and molecular beam epitaxy, etc. The characteristics of these methods is the surface material to remove or add quantity can be very little control. But for ultra-precision machining precision, still relies on sophisticated processing equipment and precise control system, and USES the ultra-precision mask as a mediator. For example, the very large scale integrated circuit process is to use electron beam of light on the mask to resist, See photo) Exposure to shoot, make the photoresist atoms under electron impact direct polymerization ( Or decomposition) , then use the developer polymerization sections or aggregation of dissolve, make mask. Electron beam exposure shot process requires a workbench positioning accuracy as high as & plusmn; 0. 02 micron ultra precision processing equipment. Given yuan is a commitment to the development of coating equipment and related equipment, manufacturing equipment and accessories manufacturing of high-tech enterprises, mainly engaged in coating production of spare parts, CNC precision parts processing, precision parts processing, machinery parts processing manufacturer, batch parts processing, tel: 0086 - 574 - 55224980
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