Hermetic Sealing Technology
Read about news, technical breakthroughs and design best practices related to hermetically sealed wire feedthroughs and hermetic connectors.
One of the key elements of a good lean manufacturing system is the ability to spin up new work cells quickly. In our case, spinning up a new cell requires us to create all kinds of custom fixtures and other tooling.
Given the broad mix of products we make, custom fixtures have become second nature to us. And we have a talented group of in-house toolmakers who can turn out machined fixtures and other workholding devices in a flash.
Yet, because we live and breathe lean manufacturing here, we're always looking to become even more efficient at tooling production. That's where 3D printing comes in.
Our engineers are now using 3D printing to create custom inserts that function as part of a hybrid fixture—which also includes a machined structural or support component.
The ability to create the inserts as part of CAD design workflow and combine them with interchangeable support components has shaved days off our tooling process.
The biggest beneficiaries of 3D printing have been our customers—because the faster we can tool up, the faster we can start shipping your parts.
With medium-voltage switchgear, progress is being made with regard to finding alternatives to SF6 as an insulation gas. Designs that incorporate dry air or a mixture of fluoroketone, nitrogen and oxygen as the insulating gas are being explored to minimize environmental impact. Oil, vacuum and CO2 are other alternatives to SF6.
Regardless of the type of insulation, it is important that all individual components used within the switchgear assembly can withstand harsh environments, temperature extremes and regular submersion in water. Among these components are the hermetic feedthroughs carry conductor wires in and out of the gas-insulated cavity.
Already a dominant choice for switchgear applications, epoxy-based hermetic feedthroughs are poised to become even more popular as a variety of SF6 alternatives come into play.
Read our latest white paper for more detailed look at how various switchgear insulation gases affect feedthrough performance.
Learn how hermetic epoxy feedthroughs can help protect sealed electronics from moisture damage.
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