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18-04-2018 #10
I made my bed captive (It sits inside my frame) for this very reason but then the pressure is on you to cut the mdf perfectly otherwise it will still wobble, I think I got it right as I ended up having to tap all 4 corners with a wooden mallet to get it to sit flat. I'm also not using the bed for clamping.
I have 18mm mdf then 6mm on top which is my spoil board. I made aluminium clamps from 2020 Tslot and they flex like hell totally useless like yourself I underestimated the forces involved and have had to remake all my clamps in steel and £35 wasted at KJN. Under the MDF I have 4545 Tslot supports, every 12cm I think it works out to.
Wait till you start cutting at 8m/min and you'll see the forces involved lol, my floor concrete workshop floor rumbles when it's running, even lorries don't make the floor do that lol.Last edited by Desertboy; 18-04-2018 at 03:37 PM.
http://www.mycncuk.com/threads/10880...60cm-work-area My first CNC build WIP 120cm*80cm
If you didn't buy it from China the company you bought it from did ;)
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