Knowledge about basin frame
The basin frame is one of the important components in the electric speaker, which means that the basin frame has the function of supporting and supporting. Simply put, it is the carrier of other parts. The surface treatment of the basin frame: The important purpose of the surface treatment is to prevent rust and appearance. The common ones include high temperature baking (baking paint, spraying), electroplating, electrophoretic paint, polished chrome plating, etc. Different processes require strong surface corrosion resistance. It is not easy to fall off. Each bonding surface is required to be resistant to glue corrosion. Aluminum and plastic are treated with hemp yarn. Surface treatment such as spray paint cannot be used. The bonding surface should be treated with oil removal before bonding.
