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Old 11-22-2020, 05:43 AM
Ron Hampe Ron Hampe is offline
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Join Date: Mar 2018
Location: McDonald, PA
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Default Spoil board question

I am switching from t-tracks to the Hurricane and curious if anyone has tried using four 2' x 4' spoil boards rather than a single 4'x 8' to minimize vacuum loss and if it made a difference holding smaller parts.

Am also buying a Welch vacuum pump and pods from a retired cabinet maker and plan to see how well it works holding smaller parts to a 2' x 2' section. If it does well then I will add it to one spoil board section.
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  #2  
Old 11-22-2020, 10:13 AM
tmouse tmouse is offline
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On my table I did split it up with 4 2X4 pieces with a strip of 6mm sintra stood on edge to divide them I cut a .25 slot into my plenum and stood the sintra up in it. There is no bleed through from one zone to another helped with smaller parts.
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Old 11-22-2020, 11:24 AM
Jim Becker Jim Becker is offline
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It's normal to create zones for use with smaller applications...but do keep in mind that there is a lower limit relative to part size and holding because of just how "vacuum" works...it's all about gravity, believe it or not. You may need to use gasketed fixtures to hold the smaller parts or other hold-down methods accordingly There are some discussions about all of this down in the workholding forum discussion area.
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  #4  
Old 11-22-2020, 11:47 AM
Charlie_L Charlie_L is offline
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Join Date: Mar 2012
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Many have posted really good thoughts on holding our work. I really like some of the ideas from Russell, like this posting.
https://camheads.org/showthread.php?t=2666
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