Auto Functional Parts Mould

The design and manufacture of car part mold for functional parts  involves many key aspects, including the appearance requirements of plastic parts, mold structure design, cooling system design and parting surface design. Together, these aspects ensure the efficient operation of molds and the high-quality production of plastic parts.

The design of auto injection mould first need to consider the appearance requirements of plastic parts. For example, defects such as spots, gate marks, shrinkage depressions and other defects are not allowed on the outer surface of automotive functional parts made by car structures mold, and the surface finish is high and the structure is complex, which requires special attention to these details in mold design.

Mold Structure Design:

Mold structure design is the core of injection mold design for automotive functional parts. Taking the left rear door panel of the automobile as an example, the mold adopts the hot runner casting system, and because there are multiple backdrops on the inner and outer sides of the plastic parts, different side core pulling structures are needed to ensure smooth demoulding. In addition, the overall size and weight of the mold also reflect its characteristics as a large injection mold.

Cooling System Design:

The design of the cooling system is very important to ensure the quality of the plastic parts and the efficiency of the mold. The design of the cooling water channel needs to take into account the cooling needs of different parts of the plastic parts, and different types of cooling water channel structures are used, such as spiral core cooling water channel and partition core cooling water channel, to ensure uniform cooling of the plastic parts and avoid deformation and shrinkage.

Parting Surface Design:

Parting surface design is another important aspect of die design. The selection and design of parting surface directly affect the demoulding and molding quality of plastic parts. Proper mold opening direction is the basis of parting surface design, reasonable parting surface design can reduce the defects of plastic parts and improve production efficiency.

To sum up, the design of injection mold for automotive functional parts is a comprehensive project, which needs to be considered from many aspects such as the appearance requirements of plastic parts, mold structure design, cooling system design and parting surface design to ensure the quality and production efficiency of the final product.

Mold Information Description：

1.This mold is made of S136 stainless steel. S136 stainless steel service life of more than 500,000 times. The mold has 1*1cavities.

2. This mold is made of hot runner,‌ The hot runner mold uses the hot runner system to directly transport the plastic material to the center of the mold, which can effectively avoid the cold material phenomenon in the injection process, thereby increasing the quality of the injection product.