New start

**Desertboy** · 18-04-2018

Originally Posted by Nr1madman

Once there is possibility for play there is no work getting done :)
Have had some issues with cuts. Thought the spindle needed serious tramming but in the end I think I located the error. My 36mm plywood spoilboard is flexing!!
Have only fastened it to the machine frame at 8 points. 4 screws at each side.
Seems like I have to counterbore some screws in the middle aswell :)
Did not think the routerbits would have that much "pull strenght" that it had!

Back to the drawingboard......

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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.

**Nr1madman** · 18-04-2018

Originally Posted by Desertboy

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.

I have not tried speeds like that yet.. 5000mm/min is max right now.. you might think I would be curious about testing max speed but it just scares me :D

Have to find some nice t tracks, right now Im screwing everything to the spoilboard. Doesn't feel right!

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**Nickhofen** · 18-04-2018

If you put T slots on your CNC bed you can make the hold down clamps your own ,there are some good video on youtube.I will try to find the one that help make mine and post it here.

**Nr1madman** · 18-04-2018

Originally Posted by Nickhofen

If you put T slots on your CNC bed you can make the hold down clamps your own ,there are some good video on youtube.I will try to find the one that help make mine and post it here.

Thanks! Have already made CAD and cam of "toe clamps"
What type do you prefer?

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**Nickhofen** · 18-04-2018

https://m.youtube.com/watch?v=wKiPfaA2oZY
I have use those,cheap and easy,I made them from a thick plastic kitchen cutting board,lol.

**Desertboy** · 18-04-2018

Originally Posted by Nr1madman

Thanks! Have already made CAD and cam of "toe clamps"
What type do you prefer?

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Camel toe.......

Sorry couldn't resist ;)

**Nr1madman** · 18-04-2018

Thanks Nick!

They are similar to the ones I want to cut..
Just have to find some t tracks first :D

Amazon has some but not with shipping to Sweden for the long stuff :)

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**Nr1madman** · 18-04-2018

Originally Posted by Desertboy

Camel toe.......

Sorry couldn't resist ;)

I don't know how much clamping force there is in a cameltoe.. might be overwhelming?

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**Desertboy** · 18-04-2018

Originally Posted by Nr1madman

I don't know how much clamping force there is in a cameltoe.. might be overwhelming?

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An Essex girl has the highest clamping force known to man ;)

**Nr1madman** · 23-04-2018

Hmm not really machine related.. but how should I finish the oak lid on this piece?
Had to make a copy of vectric free paradise box :)

Should I oil the lid? With what oil?
Or stain?
Or varnish? :)

Really should get back to finishing the machine :)

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