Silicone Overmolding
Silicone overmolding is a specialized manufacturing process that offers distinct advantages to many industries. Different substances such as silicone, plastic, and metals can be molded together to create components with properties that may not have been achievable with a single substrate.
It is used in a variety of things, from medical devices to children’s pacifiers to household applications and common industrial parts, and it produces parts that are both durable and wearable, often replacing machined or cast metal parts.
Technical characteristics of silicone overmolding
This strategy allows manufacturers to reduce costs while still producing intricate and durable parts. Combining or adding silicone to existing design elements also greatly insulates against temperature and friction, with far fewer materials needing assembly.
The silicone rubber’s low permeability eliminates environmental damage due to changes in air pressure or temperature, providing additional protection for subcomponents. All of these advantages come at an affordable price point and are possible thanks to silicone overmolding technology.
Application of silicone overmolding
Silicone overmolding is becoming increasingly popular in industries ranging from automotive to aerospace. In silicone overmolding, silicone elastomers are applied with a mold to create rubber-like products. These silicone-based parts can be tailored for applications that demand performance and durability, and their ease of manufacture offers scalability for mass production.
With silicone overmolding, component complexity is able to be reduced due to its material capabilities. Additionally, silicone parts can also be molded into intricate shapes by using this process, improving product design without any limitations of injection molded parts.
Silicone overmolding and electronics industry
The silicone overmolding process is also a method used in electronics manufacturing to add silicone to key electronic components. This is accomplished through injection molding with silicone rubber into geometrically complex cases and housings.
Specifically, silicone rubber is injected directly over electronic components in the desired shape in order to provide a protective layer that protects against shock, vibration and environmental hazards. Additionally, silicone overmolding can not only provide these protection benefits but also act as a masking agent during selective painting processes. As such, silicone overmolding is an essential part of the manufacturing process for many different types of electrical devices.
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