Chamber for Vacuum Extrusion System

vacuum extrusion system chamber
Rear view of the Custom Vacuum Extrusion Chamber
This is a custom acrylic vacuum chamber build for a high volume manufacturer of parts that are fabricated using vacuum extrusion techniques. The challenge was to build a vacuum chamber system which interfaced on 3 sides with various in-house extrusion equipment components in order to create a good vacuum seal. The bottom, the top, and on the rear of the chamber had to interfere with the vacuum extruder assembly. This was accomplished by incorporating a double gasket mechanism on the bottom and top and by incorporating a clamping mechanism on the rear. The top of the chamber interfaced with extrusion cutting equipment. The rear of the chamber interfaced with the vacuum extrusion die. The bottom of the chamber interfaced with the vacuum hopper.

The advantages of using an acrylic vacuum chamber in vacuum extrusion environments is that it allows for full visibility of the product. Additionally, a camera system can be added to the operation enabling fully visual inspection of the interior hence increasing throughput, quality, and safety.

On a personal note, this was a very tricky engineering problem because we were aiming to design a chamber which had to create a vacuum tight fit against three surfaces which were not completely perpendicular to each other due to wear and tear. This was accomplished by using a double gasket aluminum interface plate.

In the end, all went well, and looking back we have nothing but gratitude to this customer for giving us a chance to push ourselves beyond what we were comfortable doing - hence making us better engineers. This was a challenging and fun project; not only were we able solve a problem they were wrestling with for quite some time, we also made friends and connected with people on the other side of this country.

Video of the Extrusion Vacuum Chamber

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Force Decay Leak Testing Systems
Force Decay Leak Testing Systems are instruments that detect and quantify leaks in a test specimen through measuring the drop in force an inflated specimen applied onto a pressure transducer. The specimen is placed into a vacuum chamber, a vacuum is pulled, and the test sample inflates. As the test sample inflates, it applied a specific force onto the force transducer. This force is measured and recorded over time. If a leak exists, the specimen will deflate and lose pressure, as a result, the force it applies onto the force transducer will decrease. This in turn will enable for detection and quantification of a leak in the specimen.
Wire Vacuum Feedthroughs
Wire Vacuum Feedthroughs are wires that are run from the outside of the chamber towards the inside of the vacuum chamber. We carry a wide variety of wires and wire gauges that can be used with any vacuum chamber.
Our Work: High Altitude Vacuum Testing of Electrical Connectors and Components
This was an interesting project where one of our customers needed to test wires up to 44 inches long within a high altitude simulation environment. In addition to testing wires, several other electric connectors required altitude testing as well. The altitude requirements were 100,000 feet (30.510 km) which corresponds to 8.36 Torr - a piece of cake when it comes to the vacuum requirements of our chambers.
Related Articles: Customizing your Acrylic Vacuum Chamber
One of many advantages of acrylic vacuum chambers is that they are highly customizable and versatile. Team Sanatron has worked with many industries across the board and designed a broad range of turkey custom solutions within the rough-to-medium vacuum realm.