A lot of times people are confused about the way a vacuum
chamber machine works. What actually is happening inside of the chamber is not
what you experience in front of your eyes. The air has been pumped out of the
chamber and the vacuum bag long before you see the product being compressed! We
will show you this by means of an example.
Very often Chamber Machines Manufacturers we
are that is used to vacuum pack food products. But non-food products can also
be vacuum-packed! We recently got the chance to package their hoodies together
with Balenciaga to make a video for a publicity stunt.
Vacuum extraction
Put your product in a vacuum bag and position the end of the bag
on the seal bar. If your product is not high, use the insert plates for the
correct positioning of the bag on the seal bar and a faster vacuum cycle, like
we did for the Baleciaga hoodies. When you close the lid of the machine, the
pump starts to extract the air out of the vacuum chamber. The whole chamber
will get under vacuum, so the pressure inside the vacuum bag and inside the
chamber is equal. Visually nothing happens yet! We offer different systems to
control the vacuum percentage that you need for your specific product.
Sealing of the bag
During this step, you can see that the sealing bar and the
contra bar are being closed. When they are closed the sealing wires are being
heated to melt the layers of the bag together. After a couple of seconds, the
bars reopen again. Multiple seal configurations are possible for different
sizes and kinds of bags. Our machines are standard equipped with double seal
wires, that we also used to close the bags of Balenciaga hoodies. Cut-off seal
and wide seal are free options on our vacuum packaging machines.
Aeration of the chamber
The last step is the decompression of the Chamber Machines Manufacturers.
You can use soft air for a slow decompression of fragile or sharp products. For
the Balenciaga hoodies, we skipped the soft air. The full decompression goes
fast.
Finally, you can see the vacuum by your eyes as the pressure in
the chamber and inside the bag is different! In this Balenciaga video the sound
is fictive, but the visual shows the aeration phase perfectly! After the
aeration, the lid opens automatically.
Original Source Content-
https://www.knowpia.com/s/blog_ca4ca3c6f5decfc8
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