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Potting, the traditional method employed by manufacturers for years to protect electrical components, involves the pouring of liquid resin over the component, which is subsequently cured to form a robust protective barrier. However, this method has certain drawbacks for cable molding. Firstly, the curing process contributes to longer production times. Additionally, there is a risk of resin shrinkage over time, which could potentially damage the components it is intended to safeguard.
Low Pressure Molding came about as a solution for delicate electrical components, such as PCB’s, sensors and some cable assemblies. It uses a low amount of pressure to inject plastic into a mold. It offers increased protection compared with potting and has a cleaner and faster production time.
High Pressure Molding is ideal for components that can withstand increased pressure. Plastic is injected at high pressure and can take on more complex forms, offering a wide variety of custom solutions that have the highest durability of any process available today. This process is also much faster than other solutions and is ideal for high volume.
Sometimes you want to make sure you have the toughest electrical component possible, but it’s too delicate for high pressure molding. How do you get around this? You can look at getting a low pressure mold done first—to strengthen the component to be able to withstand the high pressure injection process. This gives your components the ultimate solution in electrical component protection.
Here at MRO we have an in-house injection molding and CNC tooling shop. We can provide both low pressure and high pressure molds for a range of connectivity solutions. We also provide custom tooling so we can create the perfect mold for your application. Check out our manufacturing capabilities for more information, or contact us today to discuss overmolding with one of our experts.
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