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Forum topic by scribble posted 07-02-2014 02:48 PM 1252 views 1 time favorited 19 replies Add to Favorites Watch
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scribble

113 posts in 1664 days


07-02-2014 02:48 PM

Topic tags/keywords: jig tablesaw joining

Does anyone have any suggestions on good material for the fence on a cross cut sled?

-- If you can't read it Scribble wrote it!! “Experience is merely the name men gave to their mistakes.”


19 replies so far

View Pezking7p's profile

Pezking7p

3097 posts in 1115 days


#1 posted 07-02-2014 02:59 PM

Laminate two layers of 3/4” plywood together. I used a single layer of 3/4” and wish I had more. I would recommend against any solid wood, as it will have a tendency to change shape slightly with humidity. Save the pretty stuff for your furniture.

-- -Dan

View Bob Kassmeyer's profile

Bob Kassmeyer

184 posts in 2389 days


#2 posted 07-02-2014 03:02 PM

I have seen them made of laminated plywood, hardwood and even jointed tubafours. I guess it would depend on what your plans are for the sled. When I was working out of the garage everything seemed to warp so I made everything out of the cheapest materials I could find. I have not yet made one for my new to me table saw in an actual dedicated shop. My last one was made of a piece of OSB and a 2×4 fence and it worked for several years.

-- Bob Kassmeyer, Nebraska

View waho6o9's profile

waho6o9

7173 posts in 2041 days


#3 posted 07-02-2014 03:07 PM

3/4” Baltic Birch worked well for me.

View NiteWalker's profile

NiteWalker

2735 posts in 2041 days


#4 posted 07-02-2014 03:16 PM

Mine is currently an L shaped fence made from two pieces of 3/4” plywood screwed together. The horizontal piece keeps the vertical piece flat and straight, and is used for mounting to the base. In the base I tapped 1/4-20 threads and used thin ca glue to harden the threads. I drilled oversize holes in the horizontal piece so I’d have a bit of wiggle room for aligning the fence square to the blade.

My current sled was made from scraps because I wanted to try out the new fence design. I like this design a lot, and will be making a nicer sled later on with the same fence design.

I’ve tried the two pieces of plywood glued together, and it works fine too. I just like the L design for ease of adjustment and because it stays straight.

-- He who dies with the most tools... dies with the emptiest wallet.

View skatefriday's profile

skatefriday

380 posts in 946 days


#5 posted 07-02-2014 03:29 PM

I glued two pieces of 3/4” A1 prefinished veneer core plywood together (just what I had on hand) and it is slightly concave. So plywood won’t save you from warping. I really like the backing piece in an L configuration idea. I’ll be rebuilding my current fence with that idea.

View scribble's profile

scribble

113 posts in 1664 days


#6 posted 07-02-2014 03:42 PM

SO i did use 3/4 Baltic birch and laminated 2 pieces together and it is not joiner flat. I think since I am in a garage that does have moisture issues I will do the 2/4 jointed due to not wanting to waste the good stuff.

-- If you can't read it Scribble wrote it!! “Experience is merely the name men gave to their mistakes.”

View skatefriday's profile

skatefriday

380 posts in 946 days


#7 posted 07-02-2014 04:26 PM

I’m in a garage, but I’m also in a dry area of Southern California. Stuff
still warps. One of my biggest problems. What exactly do you mean by
2/4 jointed?

View Woodbum's profile

Woodbum

729 posts in 2529 days


#8 posted 07-02-2014 04:57 PM

I laminated 3 pieces of 1/2” Baltic birch. Structurally stable and flat. Works well on my Wm. Ng inspired sled.

-- "Now I'm just another old guy wearing funny clothes"

View scribble's profile

scribble

113 posts in 1664 days


#9 posted 07-02-2014 05:19 PM

use a 2×4 pine board and make it flat with my joiner and planer.

-- If you can't read it Scribble wrote it!! “Experience is merely the name men gave to their mistakes.”

View gfadvm's profile

gfadvm

14940 posts in 2154 days


#10 posted 07-03-2014 01:00 AM

Scribble, A 2×4 may have a really high moisture content. I used an OLD quarter sawn Douglas Fir 2×6 for mine, jointed square. It has been very stable.

-- " I'll try to be nicer, if you'll try to be smarter" gfadvm

View skatefriday's profile

skatefriday

380 posts in 946 days


#11 posted 07-03-2014 04:24 AM

I was the local HD a couple weeks ago looking to pick up a couple 2×4s for a project and everything was so wet I needed a towel to dry my hands after sorting through the stack. I ended up getting a 2×6 piece of redwood and milled it down to what I wanted as it was the driest stuff I could find.

View TheWoodenOyster's profile

TheWoodenOyster

1275 posts in 1399 days


#12 posted 07-03-2014 05:38 AM

Don’t want to steal the thread or anything, but all this warping talk makes me wonder why we don’t make such a crucial part on a crucial jig out of plastic. Anyone tried this?

-- The Wood Is Your Oyster

View GregD's profile

GregD

783 posts in 2600 days


#13 posted 07-03-2014 12:46 PM


Don t want to steal the thread or anything, but all this warping talk makes me wonder why we don t make such a crucial part on a crucial jig out of plastic. Anyone tried this?

- TheWoodenOyster

FWIW I scored a couple of the aluminum extrusions that Rockler uses on its router table fences and am using one as the fence on one of my sleds. The fence is straight and isn’t affected by humidity, but I did need to shim it a bit with tape to get the face perpendicular to the table. Every option seems to have its pros and cons.

-- Greg D.

View ChefHDAN's profile

ChefHDAN

808 posts in 2313 days


#14 posted 07-03-2014 12:58 PM

I’ve collected a lot of Corian scrap from numerous café renovations and redo’s. I use quite a bit of it for fences sled runners etc. mills like wood with carbide and is rather easy to work with but smells awful when you’re cutting it.

-- I've decided 1 mistake is really 2 opportunities to learn.. learn how to fix it... and learn how to not repeat it

View skatefriday's profile

skatefriday

380 posts in 946 days


#15 posted 07-03-2014 03:41 PM

I do a lot of work with laser cut acrylics for a robotics team and I’d be concerned about plastic breaking at a very inopportune time.

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