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Forum topic by SeaWitch posted 11-23-2011 03:43 AM 816 views 0 times favorited 9 replies Add to Favorites Watch
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SeaWitch

149 posts in 1113 days


11-23-2011 03:43 AM

Topic tags/keywords: jig question

I made this jig, which got me 15 minutes of fame here on LJ (beginner’s luck) called a Hillbilly Track Saw

It’s basically 2 strips of plywood that I move closer or farther apart depending on which saw I use. I’d like to add some hardware to each end so that it’s easy to slide it together or apart. Something I can lock or unlock at each end where it will slide back and forth along a track or rail or channel depending on which saw I want to use? Currently I just clamp the 2 parts together and unclamp them to adjust it. Can someone please give me some ideas how to do that? Please explain in little words…jig hardware is not my strong suit. Thank you.

-- When you are asked if you can do a job, tell 'em, 'Certainly I can!' Then get busy and find out how to do it.”   Theodore Roosevelt


9 replies so far

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CartersWhittling

451 posts in 1393 days


#1 posted 11-23-2011 03:50 AM

I am sure you could easy use t-tracks and knobs to clamp them together. Or an even cheaper way could be a slot through each of the two plywood boards and two bolts that slide through them and tighten the boards down.

-- And whatsoever ye do, do it heartily, as to the Lord... Colossians 3:23 http://carterswhittling.wordpress.com/

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SeaWitch

149 posts in 1113 days


#2 posted 11-23-2011 04:06 AM

CartersWhittling, thank you for your help. Well, if I cut slots in the plywood, and used bolts and wingnuts, wouldn’t the plywood get worn over time? I considered a t-track, but I don’t understand where to mount it. I’d like to adjust it from the top so where do you put the t-track? If I recess the T-track in the bottom cross piece then I still wind up with a slot cut in the top piece, no?

-- When you are asked if you can do a job, tell 'em, 'Certainly I can!' Then get busy and find out how to do it.”   Theodore Roosevelt

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patron

13142 posts in 2060 days


#3 posted 11-23-2011 04:26 AM

in construction this is called a ‘texas straightedge’
each guy makes one for his saw
but just one sided
a little wider than the saw
with a low straight fixed guide edge
and runs the saw through it
pushing the saw towards the edge guide
it cuts the edge straight
and then set ‘exactly’ on the line
no guessing
the router can use this too
just need one for each
size of router and bits
make a new one as it gets worn to bad

here is one i made that is 12” long
it has a 90 deg. cut on one side
and a bevel cut on the other
for some transition work
i was doing then

-- david - only thru kindness can this world be whole . If we don't succeed we run the risk of failure. Dan Quayle

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Grandpa

3193 posts in 1395 days


#4 posted 11-23-2011 04:40 AM

You could use angle iron. attach a piece to the left side and a piece to the right side on each end. the vertical parts of the angle should touch each other on the back side. These need to have slots in one piece on each end. the other piece could have holes only or could be slotted. Use some bolts and knobs with threads. position and tighten the knobs. when using the other saw you could adjust the boards closer or further and tighten the knobs. Would something like that work. If you could position the angle iron and clamp it you could match drill a hole then adjust for the other saw and match drill again. You will probably want 2 bolts in each end. If you have slots machined in some angle then you could use carriage bolts and the slot would capture the square under the bolt head to keep it from turning. A wrench will do the same thing but you need 3 hands to do all that.

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SeaWitch

149 posts in 1113 days


#5 posted 11-23-2011 01:52 PM

Thanks for the ideas Patron and Grandpa.

Is it possible to buy a piece of metal hardware that’s just flat with a slot cut in it like this, that I could fix to the top of both boards? If so, what would you call that piece?

-- When you are asked if you can do a job, tell 'em, 'Certainly I can!' Then get busy and find out how to do it.”   Theodore Roosevelt

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Grandpa

3193 posts in 1395 days


#6 posted 11-23-2011 07:45 PM

I don’t know because I haven’t gone out into my local hardware store to look for something like this. The thought just occurred to me that you might make this out of a hardwood like oak or ash or hard maple. You can probably slot those yourself.

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Grandpa

3193 posts in 1395 days


#7 posted 11-23-2011 07:58 PM

Rocklers has a piece of 2” x 2” aluminum angle that is 36” long for $15. You could slot this with a drill, a saber saw with a metal cutting blade and the right file. If Rocklers sells it then you might get it closer to home. I have ordered some items from them recently and got free shipping so that might qualify also.

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SeaWitch

149 posts in 1113 days


#8 posted 11-23-2011 08:02 PM

Grandpa, that’s it! That’s it! I can use the same aluminum extrusion that I use for the guides! All I have to do is cut a slot in it. THANK YOU.

-- When you are asked if you can do a job, tell 'em, 'Certainly I can!' Then get busy and find out how to do it.”   Theodore Roosevelt

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Grandpa

3193 posts in 1395 days


#9 posted 11-23-2011 08:30 PM

Don’t you love it when a plan comes together. Glad I could although I was just bouncing ideas off you. Keep us posted when you get this finished.

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