I tested a 1.5kW vacuum cleaner motor for this application a while back
and wasn't impressed. They don't generate enough vacuum in my opinion.
You really need vane pumps or side channel blowers. Vane pumps generate
a very strong vacuum but use a lot of power. Side channel blowers
generate more flow for the same power but less vacuum. I used to operate
a machine with a 1.2m x 2.4 bed that had two 2kW side channel blowers
and the vacuum was marginal. I did have parts move occasionally.
Les
On 09/06/2021 16:31, Roland Jollivet wrote:
A friend was complaining about the need for 6kW vacuum system on a large
table and this got me thinking....
Another way is to divide the table up into squares, grid wise, and have a
.. separate.. vacuum motor for each section. The motor is mounted under the
table at the bottom of each 'box'.
You can get ~1.5kW motors really cheap, and now it's easy to make up a
system with as many kW as you want.
Far easier to find 4 vacuum motors than a 6kW pump.
Roland
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