Since our old vacuum is getting replaced I am now planning to build a vacuum table with the old one. I decided pretty quickly that I wanted several zones that I can manage individually. The first design had a centre zone that is always active, because I often only use that size. [Screenshot (112)…

Name: Vacuum Car Lift MiniMyth | MythBusters
Uploaded: 2022-11-22T14:42:19Z
Description: Just because… [Vacuum Car Lift MiniMyth | MythBusters]

The top two and outer bottom are connected. 5 zones would be overkill for such a relatively small table. The surface will just be a 18mm MDF Board again, with both sides slightly shaved off. MDF is really porous, would not have believed it either. You can see it here for instance: Getting my new CN…

Yeah- I tried that once, with 1/2” mdf and my harbor freight 1200cfm dust extractor couldn’t hold anything down hard enough not to slip while planing. Different forces and pressures with CNC so I have my fingers crossed it’ll work for you. What kind of vacuum are you using? A regular house one? I’…

I am just using the house vacuum. If it does not work nobody is going to see it later. :smiley: Did you make sure your bottom MDF layer was somehow sealed? Otherwise half your air is escaping to the bottom. I am going to use some wood sealer for the bottom that I’ve got lying around.

Yep- 4 coats of shellac, sprayed on. Good luck

Uff. I’ll surely need it then. :slight_smile: I’ll keep you posted.

Just because… [Vacuum Car Lift MiniMyth | MythBusters]

This is absolutely incredible. Three vacuums for one car is insane. I think I should be good with my one vacuum and little pieces of wood if I do it right. :smiley:

Wow :exploding_head:, one vacuum and three gasketed ply boxes, with large surface area. Look forward to seeing your vacuum table build!

Won’t the motor in the vaccum burn if no air is flowing through? I want to think I’ve heard something like that before? Either way I’m looking forward to see how it goes since I’m also planning a new table for my machine and haven’t decided completely on holding system yet :slight_smile:

Don’t know. :smiley: If that happens I might have to buy another motor. :smiley:

Vacuum Table - Work in Progress

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turbomacncheese (Tony) November 22, 2022, 2:42pm 8

Just because…

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