In the design of the secondary mold, it is necessary to pay attention to the positioning of the hard glue parts, and it is necessary to make sure that the adhesive has a backslope hole on the plastic parts to prevent the deformation of the glue.
Dual color mold is increasingly popular in the market, which can make the appearance of the product more beautiful, easy to change color and can not be sprayed, but the cost is expensive and the technical requirements are high.