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Forum topic by Amac | posted 01-30-2010 04:26 PM | 3938 views | 0 times favorited | 19 replies | ![]() |
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01-30-2010 04:26 PM |
I’m looking for some input on the best material to use for a zero clearance throat plate for my Ridgid R4511 table saw. I used 1/2 plywood but it warped in the middle so it is no longer flush with the table. What do you guys use? -- Andy |
19 replies so far
#1 posted 01-30-2010 04:38 PM |
Plywood, mdf and more recently UHMW plastic. I also like the phenolic ply, but its a little pricey -- My job is to give my kids things to discuss with their therapist....medic20447@gmail.com |
#2 posted 01-30-2010 04:41 PM |
I like 1/2 Baltic Birch plywood due to the price factor, I can usually find pieces big enough at work for free. Never had any trouble with it warping though. -- Robert - Haven Wood Crafts |
#3 posted 01-30-2010 05:02 PM |
MDF might be a good choice – it’s inexpensive and shouldn’t warp. -- http://www.peteroxley.com/woodworking -- http://north40studios.etsy.com -- |
#4 posted 01-30-2010 05:08 PM |
I have the Jet “Supersaw”, and make my ZCI’s from 1/2” Baltic birch scraps left over from drawer boxes. After milling them to size and drilling a finger hole, I brush poly on all exposed surfaces and edges. Mine stay flat. -- Adversity doesn't build character...................it reveals it. |
#5 posted 01-30-2010 05:09 PM |
Greetings Amac:... I also use the 1/2” B.B. ply. It’s been good to me for zci. I’ve never used MDF, as I don’t have any 1/2”. I too, have never had it to warp. Maybe you just got a bad piece. You might try making another one or two just on account…...... I’m with Medic Ken:... phenolic is coslty. never used it, though. -- " At my age, happy hour is a crap and a nap"..... |
#6 posted 01-30-2010 07:44 PM |
I took a look at the piece I cut it from and it looks like it was already warped and I didn’t notice. I’ll make another one from a different piece. -- Andy |
#7 posted 01-30-2010 09:25 PM |
I just made some for my R4511, used 1/2” mdf, fits perfect and cheap. -- Good judgement comes from experience and experience comes from poor judgement. |
#8 posted 01-30-2010 09:33 PM |
i use 1/2”MDF on my unisaw, it will last me about 9 mo to 1 year -- I HAVE CUT THIS BOARD 3 TIMES AND IT STILL TOO SHORT!!!!!!!!! |
#9 posted 01-30-2010 09:37 PM |
I’ve used a hardwood called osage orange (recommended by Kelly Mehler on his table saw video). It’s very ridgid, has a slippery finish (not oily, just slippery), and looks pretty on the TS. Lasts forever if you don’t do something stupid and doesn’t seem affected by humidity like we have in Chicago during the summer. -- Gerry |
#10 posted 01-30-2010 09:44 PM |
The for what its worth department. I have tried different materials for making my ZCI and have now settled on the one I really like the best. UHMW Pros: Cons: Plywood: Pros: Cons: MDF Pros: Cons: Phenolic Cons: So now I have gone to Phenolic all the way, they look and work very well. The cost is a little higher then MDF or Plywood but to me it is worth it. |
#11 posted 01-30-2010 10:37 PM |
What is UHMW? -- Bob in WW ~ "some old things are lovely, warm still with life ... of the forgotten men who made them." - D.H. Lawrence |
#12 posted 01-31-2010 12:29 AM |
It is a plastic, kind of soft. |
#13 posted 01-31-2010 12:33 AM |
Must be the acronym for the standard plastic blocks in the WW stores, eh? -- Bob in WW ~ "some old things are lovely, warm still with life ... of the forgotten men who made them." - D.H. Lawrence |
#14 posted 01-31-2010 12:40 AM |
That’s it, the only thing I use it for is to make setup blocks for the router. |
#15 posted 01-31-2010 01:04 AM |
Ultra high molecular weight polyethylene UHMWPE or sometimes shortened to UHMW -- Good judgement comes from experience and experience comes from poor judgement. |
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