Multi shot molding, which also referred as two shot molding, is an injection molding process adopting two materials in one mould. Since it enables multi-color and multi-material combining in one product, the multi shot molding improves the parts appearance and enriches its usage. Due to the variety of product design, this technology is widely applied in automotive, appliance, houseware and telecommunication areas.
Multi shot molding usually runs in the special multi shot injection mould and machine. The mould is composed by two changeable cores and a fixed cavity connecting two nozzles. With the help of exchanging mechanism of core, we could have finished and semi-finished products forming at one time.
High quality and structured appearance of production
High productivity, less labor cost
High precision of multi shot injection molding machine, stable injection system and environmental-friendly
The technique difficulty of multi shot molding is to manufacture a pair of cavities with high precision, which 100% match first shot and second shot cores. During exchanging, good compatibility could improve the product’s quality and extend the life of mould.
Jeward Mould is devoted to offer customers economic and effective multi shot molding solutions. Equipped with high-speed CNC machine, die spotting machine and other advanced equipment, we provide favorable condition for multi shot mould production.
Our multi shot molds have high precision and long lifespan. Our well-round technique service and after-sale guidance are reliable support for customers’ production.
Yes. Using two different plastics in multi shot molding could bring the product two characters at the same time. For example, the rubber-wrapping, which commonly used in toothbrush and rubber cutlery, adopts PP to ensure product’s rigidity and covers TPE on the surface to improve the resilience.
The two materials need to have a certain degree of compatibility and temperature difference, which is normally above 30℃ and 60℃ will be the best. During the design process, we should try to enlarge the two parts'welding surface and give properly groove design to improve the connecting strength.
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