Plastic Products Manufacturing Company
PLASTIC OVER-MOLDING
Plastic Overmolding is an operation in which two or more mediums are merged to form an ending molded product, plastic over-molding needs to make two separate molds, one is substrate (first mold), the second mold is called over mold , but if the substrate is metal parts or brass parts, this type of over molding we normally call insert molding. .
Overmolding Process
Plastic overmolding has a process in which a certain materials used in injection moulding is molded in a primary plastic mold, and the molded part is taken out and placed in a secondary molding mold to inject the same or another plastic material into overmolding process. Overmolding processhas key factors as below:
- The chemical or mechanical bonding strength between the polymers is not enough, and the material of single or multiple parts is not completely filled
- Flashing of burrs on single or multiple material parts.
- The injection molding machine must maintain the consistency of injection molding.
Overmolding Injection Molding Applied Products
