The principle of electromagnetic shielding cover: with a shield components, circuit, assembly, cable or surrounded the interference sources of the whole system, to prevent the interference of electromagnetic field to spread beyond;
With the shield will be receiving circuit, equipment or system surrounded by preventing them from affected by external electromagnetic fields.
(1) electronic shield design to meet product use and technical performance, and can be convenient for assembly and replacement.
2 electronic shield design to improve the utilization rate of metal materials, as far as possible, reducing the consumption of materials.
(3) electronic shield design must simplify when punching die structure, simplify the process number, which is the least, the most simple stamping process to complete the entire parts processing, reduce processing with other methods, is helpful for stamping operation, is advantageous for the organization to realize mechanization and automation production, in order to improve labor productivity.
(4) electronic shield design can ensure normal use, promotes the exchange of products, reduce scrap, guarantee the stability of product quality.
5] design of the electronic shielding cover, as far as possible should be conducive to use existing equipment, process equipment and technological process for machining, and is helpful to extend the service life of die.