168网开奖查询记录结果

1、 Electrical performance issues of waterproof connectors   The electrical performance problems caused by waterproof connectors to varying degrees are usually caused by the following aspects:   1. Is the processing of waterproof connector terminals standardized.   2. The terminal spring of the waterproof connector is crushed.   3. The contact area of the waterproof connector design is too large.     2、 Application issues of waterproof connectors   If the waterproof connector is poorly welded, the following problems may occur in application:   1. The electroplating is contaminated.   2. Causing electroplating issues.   3. Oxides form on the coating.     3、 Mechanical properties of waterproof connectors   1. Whether the plastic material of the waterproof connector meets the standard.   2. Is the initial lifespan of the waterproof connector plug NG tested as required.  

3. Is the design process and product testing of waterproof connectors standardized.