80/20 design help

CarolinaNomad said:
Yeah, but I don't see the benefit of having the ability to slide the incra fence.

Unless Ghostfist wants to have the TS 75 insert and the router insert back to back.  Then I do believe we have something here!  The ability to have one fence to service two inserts.
that is what I was thinking , at least IMO to have flexibility to Use the the Incra LS for different things , hence the idea to mount on plate as then I drop any where on the table . but If your doing production work a slider .
BUT actually by have the Incra on plate you do all of these ideas  , I've got some very short rail dogs that are just a deep as a MFT is  so the amount of jigs is endless
limited just my imagination .
Ghostfist has the right idea to be able move the LS where it is needed for quick easy repeatability mere seconds to change up a rip distance instead of messing with a parallel guide & resetting the two parts & then having to double check for accuracy .   
 
Sorry, clarifying on the up and down motion is just to accommodate different material thickness as the fence will have to move on top of the material for cuts
 
This should help. The wood keeps the knobs accessible so you don't rack your fingers on the bearing. Given the weight load I would use two brakes on a single side of the bearing.
 

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that is pretty much EXACTLY what I'm looking for! Do you know the part numbers, including the bracket?
 
Richard/RMW said:
Assuming that is 15 series (1.5") then this should be the linear bearing:

http://www.ebay.com/itm/8020-T-Slot-High-Cycle-Linear-Bearing-15-S-6834-N-/370137789765?pt=LH_DefaultDomain_0&hash=item562dee7545

Look under the fractional extrusion category for the t-slot and under the joining plates category for the top L bracket.

Same parts are available for the 10 or 25 series, basically 1" profiles if you want something lighter.

RMW
those ( that's the dbb by dbb  bearing I was talking about )  & the other ones that I posted pix of come up on auction all the time as a bearing body only for a fraction of that $82.oo they want for that one , then you just get the bearing pad  kit , I've gotten about 6 of the various different bearings in the  last 2 months , I was paying about $8.50 for a bearing body .
 
Sean KS said:
This should help. The wood keeps the knobs accessible so you don't rack your fingers on the bearing. Given the weight load I would use two brakes on a single side of the bearing.
is that the "10" series ?  I'm NOW gonna build that jig exactly the same be great to just be able to slide that onto a table & then slide it back off . gonna get that short track as well  so that I can just hang that whole set-up on the wall & use freely when needed
Nice Job on the wood trim !!  Where did you get those knobs ???
 
To get the part numbers, download the catalog from www.8020.net.  It may take awhile to figure out, but it quite easy.  Just look for 15 series for Imperial or 40 series for metric.
 
GhostFist said:
that is pretty much EXACTLY what I'm looking for! Do you know the part numbers, including the bracket?
here a series #10 dbb  bearing , I have this in my Ebay watch file

http://www.ebay.com/itm/370296695655?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1438.l2649

2b68_12.JPG

there are others with brake holes  but you can drill your own holes in  the bearing housing & then buy the  bearing pads
the  brake kit is here
http://www.ebay.com/itm/370462529437?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1438.l2649

79ad_12.JPG


really much cheaper to buy parts & do your own assy IMO  as you have to take the thing apart anyway to add a brake
 
as you can see you can make your own brake with a 1/4 "  carriage bolt & a 1/4 x 20 knob , washers
 
1/4" carriage bolt's work perfectly in the #10 stuff the square shoulder fits that channel exactly with little or none slop at all 
so that in it's self saves big bucks over some of the  80/20 hardware .
I'm gonna line my MFT table with the 1 x 3 #10 rails  so I have one slot up & 3 slots for mounting jigs to the out facing edges
I seen one guy who mount a vise to the 3 slot side & have it slide the full lenght of his table
 
The reason why I went with 8020, was not only could I make it customized to me.  But, I could add to it.  And one of my thoughts were to add the incra LS positioner at some point down the road.  My thought would be to create the Incra LS Super system similar to the you tube video below.  Hopefully, I can explain this, taking your idea of having the incra to float vertically.  I would put a linear bearing on each side of the table and have a low profile Aluminum extrusion extending across connecting to the linear bearings.  The Incra LS Positioner would sit on the low profile.  I'm basically creating the super system out of 8020.  Does this make since?



 
CarolinaNomad said:
The reason why I went with 8020, was not only could I make it customized to me.  But, I could add to it.  And one of my thoughts were to add the incra LS positioner at some point down the road.  My thought would be to create the Incra LS Super system similar to the you tube video below.  Hopefully, I can explain this, taking your idea of having the incra to float vertically.  I would put a linear bearing on each side of the table and have a low profile Aluminum extrusion extending across connecting to the linear bearings.  The Incra LS Positioner would sit on the low profile.  I'm basically creating the super system out of 8020.  Does this make since?

perfect sense to me  the only issue would be getting both sides locked down as square  , but you could just set that up as using a large WoodPecker square & then tighten down the 80/20 bearings .
I got my 32" Incra LS 2 days ago playing around with the positionable possibilities is giving me headache  L O L
 
Good point.  Didn't think of that, but once you place the material plus a 1/8" spacer, lock it down.  That should work.

I haven't purchased any linear bearings yet.  So I'm not sure if there will be room on the top of the 8020 for the linear bearing to glide along the top and not interfere with the table top.  I'm wondering if there needs to be a gap between the 8020 rail and the table top.

Slappy, do you have plans to do the above idea with your new Incra Positioner?  Somebody has to be the adventurer. 

Jeff
 
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