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Insert molding is one category of injection molding that allows preformed parts or components, usually metal inserts, to be inserted into the plastic molded parts and to have a final product in one-step process. Insert moulding has characteristics as below:

A combination of two parts, preformed components (metal threaded inserts) and plastic molded parts (plastic resin);
One-step process is executed and avoids secondary assembly operations;
Insert the components into the parts to increase the functionality for the whole part.
As a professional china mold manufacturer, Keyplast insert molding factory also offer different varieties of injection mold toolings such as two shot molding, overmolding injection molding and materials used in injection moulding according to your different needs.
Insert Molding Process
Firstly, prepare the finished molds well with preformed parts, like threaded inserts. Secondly, inject the melted plastic resins into the molds to create a whole part with threaded inserts. After sufficient cooling, the molded parts with threaded inserts will be ejected out. Insert molding process has key factors as below:

Preparation for the inserts
Material selection for the main parts
Melting temperature for injection
Cooling time before moulds open
Testing for the inserted plastic parts

What Is Insert Molding ?
What is insert moulding: Insert molding is a manufacturing process in which a preformed part (usually metal) is remolded using a heated thermoplastic resin to produce a single unit, called metal insert molding. Molded inserts can be simple objects, such as rods, threads, or blades, but they can also be complex.

There are many cases where this manufacturing method is needed to enhance the mechanical properties of plastic parts. The plastic molding process requires very high precision to ensure the correct molding of the final plastic part. Even the slightest deviation can completely destroy the results, so very strict quality control procedures are required. In fact, the insert molding process is closely related to the interface between the machine and the tool. Some high-precision machines can meet even the most demanding requirements of precision and reliability that only insert moulding can meet.

As a professional china plastic injection manufacturer, Keyplast offers injection moulding supplies, plastic injection molding service, plastic injection molding inserts, insert molding service, etc. Keyplast sincerely invite you to visit our company and establish long-term business relationship with us.