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Vacuum Potting

Vacuum dispensing means metering and dispensing with self leveling casting resins in a chamber with subatmospheric pressure (approx. 1mbar).

Application:
The goal of the vacuum dispensing process is to eliminate any air and humidity present in the component before the dispensing process, so that hollow spaces can be completely filled with casting material.

Target:
Bubble-free and consistent filling of components for safeguarding a very high dispensing quality and a brilliant high-voltage and insulating resistance.

 

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Application Example
Potting in a vacuum

1 Filling in a vacuum
The potting material already penetrates deeply into the fine gaps of the coil

Cross-section of the coil productvacuum potting

2 Intermediate venting/pressure increase
The increased pressure presses the potting medium deeper into the small spaces

 

potting under vacuum

3 Covering process with a re-established vacuum
The covering process ensures that the component is uniformly covered with the potting medium

 

 

 

vacuum potting

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