Quick clamps modification for sliding table on table saw #1: Making the main part in the lathe.

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Blog entry by Per Isacsson posted 09-17-2011 05:35 PM 6814 reads 1 time favorited 3 comments Add to Favorites Watch
no previous part Part 1 of Quick clamps modification for sliding table on table saw series no next part

I know that most of you on LJ deals with inches’ but I’m all into mm so everything below is in mm, sorry for this.

Almost two years ago I bought a new table saw with a sliding table, it might sound strange but it have taking me quit some time to get use to it and working effective with the sliding table.
Lately I have realized how many jigs and fixture that could be made and attached to the sliding table.
The T-tracks is perfect for bolting things to but often you just need to clamp something down quickly for one cut or so. Or just clamp a temporary jig to the table.
So I come up with this idea to modify quick clamps so the easy could slide into the T-tracks.

I lathed the end of a round bar so it just fitted into the T-Track, The T-track is 12,8mm wide.
A wanted to have the flat peace of steel lose so it could rotate, this way the clamps could the rotated 360 degree.
First I thought that I just should make a groove in the steel bar so it could slide into the T-track, but after some thoughts I found that it would probably be to small so it might compress the aluminum in the T-track then clamping something down.
I made the 12,8mm part 4,5mm to long so I could lathe the last 4,5mm down to 10mm.
In the steel bar I drilled a 10mm hole so it could be fitted on the round bar.
The steel bar is 4mm thick so their are 0,5mm play so it does not get tighten down by the M8 bult.
The center of the round bar is drilled and threaded to M8.

Here is also the link to the sketchup file if someone has use for it.

I just removed the fix part on the clamp it was just fixated with dowel so it was easy to remove.

I removed the paint at the end so it could we welded to my new parts later on.

First the center is drilled to 6,8mm so it later could be tapped to M8 threads.

Print out from sketchup, so I remember all the measurments.:-)

Time to move over to the milling machine and make the grove that the quick clap should be welded into.

I made a 6mm wide grove into the end of the steel bar, 10mm deep so the clamp get a good fixation.

Time to make the treads, I just set it up in the lathe so I get everything in line and then do the threading by hand.

One out of two parts ready.

The quick clamp is then just welded into place in the grove.

I drill a small hole in the steel bar before I made the 10mm hole.

Everything putted together.

So finished and ready for use.:-)

-- Per I

3 comments so far

View Don Johnson's profile

Don Johnson

688 posts in 2835 days

#1 posted 09-17-2011 06:02 PM

It is so pleasing when an idea comes to fruition, and so convenient to be able to clamp – almost anything – quickly without fuss. Your execution matched the excellent design – and the pictures were top-notch as well!

I’m sure you were right to use strips in the Tee slots rather than just grooves in the steel bosses. Besides preventing damage to the slots – they must also give greater confidence that nothing will move with the larger bearing surfaces.

If only I could squeeze in a cabinet saw . . . . . . . .

-- Don, Somerset UK,

View Kent Shepherd's profile

Kent Shepherd

2718 posts in 3341 days

#2 posted 09-17-2011 06:06 PM

Nicely done. It is amazing how woodworking and metal working go hand in hand so well.

Thanks for the ideas.


View Lars Öhlin's profile

Lars Öhlin

83 posts in 3412 days

#3 posted 09-17-2011 07:43 PM

like it alot Per! very clever design and it looks very sturdy!

-- Lars Öhlin [Sweden - Helsingborg - Domsten]

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