can be calculated by the finite element method of stress magnitude different speeds to simulate the failure process and improve the design.
2013年9月9日星期一
Radome is made of hard and brittle materials large complex surface thin-walled parts
Radome is made of hard and brittle materials large complex surface thin-walled parts, which protect the antenna from any form of injury should also have good transmission characteristics of electromagnetic waves. Electromagnetic transmission characteristics depending on the radome electrical schematic internal profile grinding thickness indicators, electric thickness smaller the error, the radome
Diamond blade characteristics of electromagnetic waves as possible. Uniformity of dielectric constant and the thickness of the cover wall geometry processing precision thickness error affecting the electrical direct factor. In fact, by the molding process radome level of restrictions, there is inevitably dispersed
polycrystalline diamond , making radome half after finishing the electrical thickness of the precision index is still below standard, precision grinding tools need to change its geometry thickness distribution, to compensate for
grinding wheel of the dielectric constant, in order to ensure full cover thickness distribution of the electrical design requirements. Since semi-finishing radome aerodynamic outline requirements have been met, in order to maintain the shape of the outer profile, can only be precise radome inner grinding.
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