How Thick is to Thick?

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Thom Davies
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How Thick is to Thick?

Postby Thom Davies » Mon, Jul 30 2012, 6:59PM

Hello!
2 Things:

How thick is your waste board?

AND

Just wondering if any1 can offer some advise. I used 25mm for my Waste board and now its down to 23mm, Thinking it'll last longer than if i used an 18mm Waste board and machined down to 16mm.

My question is: Will i loose much vacuum using a 23mm waste board than if i was using 16mm waste board, Or does thickness not matter when it comes to waste board?

Cheers

Thom Davies
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Daniel Odom
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Re: How Thick is to Thick?

Postby Daniel Odom » Mon, Jul 30 2012, 8:50PM

I use a 12.7mm waste board on top of a 18mm spoil-board and use it until it's about 1/8 thick (3mm), 12mm is about as thick as I can get and still use the pop-up pins. I'd say as long as the parts aren't moving more than usual then you're good, you can always mill it down more if you need too.

Dennis Englert

Re: How Thick is to Thick?

Postby Dennis Englert » Tue, Jul 31 2012, 12:54PM

For demos and other machining around here, we use a 1/4" thick wasteboard for all of our projects. That works well. If anything, it would seem like you would be losing vacuum with a 1/2" (12.7mm) thick wasteboard, but as you machined it the vacuum would improve.

Dennis

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Thom Davies
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Re: How Thick is to Thick?

Postby Thom Davies » Tue, Jul 31 2012, 2:37PM

Sorry I mean a 23mm Spoil Board. I call it different things. lol Like the 6mm waste board Dennis calls it, we call it a sacro.
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jason galbraith
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Re: How Thick is to Thick?

Postby jason galbraith » Tue, Jul 31 2012, 4:19PM

16mm MDF spoil board and 3mm sacrificial sheets - we buy packs of these at a time and just flip them over once and then get rid of them. We build the price of the scarificial sheets into the jobs we do. Fly cutting thicker boards was just not time efficient.
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