The fracture form of the connector is mainly manifested as the brittle fracture of the bending part of the connector, such as the fracture of the common sheath hinge during the folding process. The main factors for fracture generally include the following.
The moisture content of the sheath material exceeds the standard. Polymer materials have strict requirements on moisture content, so standard baking operations are generally carried out before injection molding production. The purpose is to make the material meet certain moisture content requirements. probability of rupture.
The injection temperature is not suitable. Excessive injection temperature will cause the molecular chain of the polymer material to break and recombine, change the original characteristics of the material, and also affect the toughness of the material and aggravate the occurrence of product breakage.