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Cross-cut sled - different way to make it

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Forum topic by niki posted 04-06-2007 08:06 AM 1911 views 0 times favorited 6 replies Add to Favorites Watch
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niki

426 posts in 3988 days


04-06-2007 08:06 AM

Good day

The accuracy of the sled depends on the alignment of the blade to the miter slots so, first, please check the blade/miter slots alignment.

All the idea is to take a board (in the pics, I call it “vertical board”), put it against the table edge and shim it to get 90° to the miter slots.

To shim and check that the miter slots are at 90° to the “vertical board”, I used big accurate plastic triangle. In the pics I used Framing Square for contrast (you can use Framing square if you are sure that it’s true).
For shimming, you can stick Masking tape or Aluminum foil to the “vertical board”.

About the runners, I think that it’s easier to cut them narrower by 1/64”~1/32” and push them with cardboard toward the blade side of the miter slot , in my opinion, it will prevent binding due to humidity changes and it will give smoother sliding.

Once you shimmed the vertical board, keep it as a reference to make more sleds if and when needed.

I would recommend the 5 cut test, I made it and got an offset of 1/128” or 0.008” (0.2mm) on 78” and left it like that.

Regards
niki

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6 replies so far

View WayneC's profile

WayneC

13751 posts in 4005 days


#1 posted 04-06-2007 03:01 PM

Thanks again Niki. I read your posts several times. There are lots of tips that can be used in different ways. For example your use of super glue. Please keep the posts coming.

-- We must guard our enthusiasm as we would our life - James Krenov

View Bill's profile

Bill

2579 posts in 4069 days


#2 posted 04-06-2007 06:07 PM

Yea, we love our “Jig Man – Niki”. Keep those ideas flowing.

-- Bill, Turlock California, http://www.brookswoodworks.com

View jockmike2's profile

jockmike2

10635 posts in 4154 days


#3 posted 04-22-2007 07:35 AM

Nice jig niki, different in a good way. jockmike

-- (You just have to please the man in the Mirror) Mike from Michigan -

View daltxguy's profile

daltxguy

1373 posts in 3822 days


#4 posted 03-01-2008 07:13 AM

Hi Niki,

On many of your older posts, the pictures no longer come up … and since you are such a visual teacher, not having the pictures is a bit of a setback to seeing what you did :(

Maybe you can have a look to see if these pictures can be revived on photobucket?

Many thanks!

Keep ‘em coming – I love how you are restoring woodworking to tool making – we don’t have to buy everything!

-- If you can't joint it, bead it!

View niki's profile

niki

426 posts in 3988 days


#5 posted 03-01-2008 09:50 AM

Hi Steve

This is an old post and method.

Since then I “invented” new method that is easier and faster.

please have a look here
http://lumberjocks.com/topics/890#reply-9719

I know that many old post pics disappeared but I also promised to reload them if somebody will ask me to. So if you have any, please reply to the post with the missing pics to bring it “up” so I can see it…but please one post a day otherwise I shall have to sit on the computer a few good hours…

Regards
niki

View daltxguy's profile

daltxguy

1373 posts in 3822 days


#6 posted 03-01-2008 11:07 AM

Thanks Niki – yes, you are right – no need to go to the trouble – your later post covers my interest in your crosscut sled. I won’t bother you unless I can’t find an alternative.

I have a sled but I did not use your method to set the back fence and as such it is slightly out of true but I know it well enough to compensate for the error but I am definitely going to try readjusting it using some triangles.

Thanks again!

-- If you can't joint it, bead it!

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