06 Apr


Today, turning to overmolding is being done by many manufacturers. Value is added to the product line of these manufacturers when overmolding is applied which is why it is important to them. Overmolding improves the functionality, performance, and also aesthetics. Additionally, these days the total production costs of their products are lowered these days when the overmolding process is applied. Overmolding is either one-shot or two-shot process. Overmolding is a process that bonds a thin layer of thermoplastic elastomer to the substrate of products. Here's where you can learn more.

An exterior layer is created when overmolding is done on products. The soft touch that is found with many products is the one that is created by the exterior layer. Overmolding can be done to several products such as toothbrushes and even modems. Many benefits are offered by overmolding to products apart from improving their quality. Some of these benefits are like shock and vibration reduction, dampens sound, provision of electrical insulation, increased chemical resistance and also acts as a barrier to oxygen and moisture. 

The process where one material is injection molded over the previous injection molded substrate is called 2 shot overmolding. 2 shot overmolding is mostly done on electronics such as modems. Such electronics undergo overmolding process whereby a more durable engineering thermoplastic is applied to them. When overmolding is applied on electronics, they become chemical resistance, bio-compatibility and also superior abrasion. It combines the benefits of low pressure molding with conventional injection molding when 2 shot overmolding is applied on products. Low pressure is the one will be started with when this process is being used to form a premolded device. Use this insight 2 shot injection molding process for better understanding.

Products are safely encapsulated when the products are premolded. You can then use a high pressure injection process after that process. This process will seal and protect the electronics with a rugged thermoplastic outer layer. Many benefits are offered to products especially the electronics when 2 shot overmolding is applied. Other stuff such as solvent resistance and biocompatible overmolding materials rated by FDA are required by many medical and consumer electronics appliances. Such electronics are manufactured by manufacturers who use a 2 shot approach. 

Overmolding process is applied on electronics to offer protection. Finishing of overmold is done with materials that customers’ needs. The importance of first low pressure molding shots is enjoyed by manufacturers because it helps them confirm their gating location. Things such as trapped air and unsightly flow fronts are some of the things that are prevented by low pressure molding which is why it is important. When the first low pressure is applied on electronics such as batteries, improved heat and pressure distributions are enjoyed by them.

Get to know more from this video -

https://www.youtube.com/watch?v=jUsEWLJ2dbY 

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