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What is the precision mechanical processing of the stainless steel mirror roller factory in 2016

时间:2017-12-18 11:39:19   作者:Array   

Precision machining is a process of changing the size or performance of the workpiece by a machining machine. According to the temperature state of the processed workpiece, it is divided into cold working and hot working. It is generally processed at normal temperature and does not change the chemical or phase change of the workpiece, which is called cold processing. Generally, the process of higher or lower than normal temperature can cause chemical or phase change of the workpiece, which is called hot processing. Cold processing can be divided into cutting and pressure processing according to the difference of processing methods. Hot processing is common in heat treatment, forging, casting and welding. A micrometer machining method. Precision machining is realized with precision machine tools and precision gauge and measuring instrument under strict control environment. The machining precision is up to 0.1 microns and is called ultra precision machining. In aerospace industry, precision machining is mainly used for machining precision mechanical parts in aircraft control equipment, such as precise coordination parts in hydraulic and pneumatic servo mechanism, frame and shell of gyroscope, air floatation, liquid floating bearing assembly and float. The structure of the precision parts of the aircraft is complex, the stiffness is small, the precision is very high, and the proportion of the difficult to process material is larger. The effect of technology of precision machining: part geometry and position precision can reach micron or arcsecond; II parts of the boundary or feature size tolerance in micron; the surface micro roughness (surface roughness average height difference of less than 0.1 microns); the other parts can meet the requirements of the combiningability; some parts can meet the requirements of precise mechanical or other physical properties, such as reversed float gyroscope torsion bar stiffness, flexible element stiffness coefficient.

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