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John Morris

Dadoes Are Sinking!

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Woops!!!  I was cuttin dadoes on my side panels for the carcass of the upper cabinet and after a couple cuts the material sure was going through the dado blade really easy!!!


Well heck, I finally decided to check the cut and the danged dadoes went from 3/8" deep on the first cut to about a 1/8" deep on the consecutive cuts, come to find out I failed to tighten down the height adjustment wheel!!


I hate running them through again because your perfect fit is gone, but I did, and they seem to be a good fit to the upper and the floor board of the upper case.


Dado blades are heavy, and it just ran the height adjustment down while the motor was running.




John Morris
The Patriot Woodworker
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I hate that!


Made some panels once, from cheap Chinese ply. The pieces had a slight bow that I thought I pressed out when running them thru the saw. Didn't realize the change in depth, at the center, until I dry fitted the pieces. Chisel work! 




Lew Kauffman-
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Oh Man!




John Moody
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John Moody Woodworks
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Been there done that one too Lew!!!! Thanks for feeling my pain! Luckily it was only a matter of re running em through. Hey could have been worse, could have removed the dado set up altogether!

Lewis Kauffman said:


I hate that!


Made some panels once, from cheap Chinese ply. The pieces had a slight bow that I thought I pressed out when running them thru the saw. Didn't realize the change in depth, at the center, until I dry fitted the pieces. Chisel work! 




Lew Kauffman-
Wood Turners Forum Host
Rolling Pin photo crop3_zps88fb0af9.jpg?width=100
Time Traveler and Purveyor of the Universe's Finest Custom Rolling Pins!






John Morris
The Patriot Woodworker
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Made some panels once, from cheap Chinese ply. The pieces had a slight bow that I
thought
I pressed out when running

The way to handle warped ply like that is to build a special ZCI that bulges out of the saw by a sufficient amount to pick up the wood no matter the bow.

Lots of guys use bondo to get the mound in the middle of the ZCI.

Works a trice.

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John,


You need a lighter dado set....or a table that moves up and down. HEE HEE




Gene
'The true soldier fights not because he hates what is in front of him, but because he loves what is behind him.' G. K. Chesterton

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My lil pea brain is trying to visualize this Cliff, if you are able to explain a tad deeper I'd appreciate it!

Cliff said:


Made some panels once, from cheap Chinese ply. The pieces had a slight bow that I
thought
I pressed out when running





The way to handle warped ply like that is to build a special ZCI that bulges out of the saw by a sufficient amount to pick up the wood no matter the bow.


Lots of guys use bondo to get the mound in the middle of the ZCI.


Works a trice.








John Morris
The Patriot Woodworker
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Ok Gene, now that makes a ton of sense! :) I knew I could come here for some sound advice! LOL

Gene Howe said:


John,


You need a lighter dado set....or a table that moves up and down. HEE HEE




Gene
'The true soldier fights not because he hates what is in front of him, but because he loves what is behind him.' G. K. Chesterton






John Morris
The Patriot Woodworker
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Amen Paul!!!

Paul Corona said:


measure twice, cut once, tighten thrice !!!






John Morris
The Patriot Woodworker
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Shopsmith!


Still gotta tighten table though.


Titanium is lighter than steel....but for those frugal ones among us, aluminum.




Gene
'The true soldier fights not because he hates what is in front of him, but because he loves what is behind him.' G. K. Chesterton

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I probably could have used a feather board mounter on a tall rip fence for some of the dados.



Your idea is great, if we could convince the Chinese to manufacture all the warps the same




Lew Kauffman-
Wood Turners Forum Host
Rolling Pin photo crop3_zps88fb0af9.jpg?width=100
Time Traveler and Purveyor of the Universe's Finest Custom Rolling Pins!

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our idea is great, if we could convince the Chinese to manufacture all the warps the same

Well, they do.  Most warped boards fall within a predicable range. Plus the amount a board will set proud is also determined by the size of the cast iron surface which won't catch the whole board at any given time.

The gizmo works marvelously. Try it sometime.  It's easy to make. you can just use a glued on block of wood standing proud  by 3/8" or 1/2" or so depending on the wood. Then shave it to be shaped like a low mound providing the board easy entrance to the cut.

A mound is easier because you don't have any fuss getting the board started.

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