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Machine set-up #3: Can't bite my tongue.... Squaring up a tablesaw blade

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Blog entry by rhett posted 07-02-2013 09:58 PM 1012 reads 0 times favorited 8 comments Add to Favorites Watch
« Part 2: Router Bearing Replacement: Fix It, Don't Trash it! Part 3 of Machine set-up series no next part

Recently, I watched some of a woodworking video. I say some, because once I saw the presenters method for checking square on the TS, I turned it off.

This is not squaring up a blade in reference to the top, it is getting square in reference to the insert. Little demonstration on how this will steer you wrong. Square, but not 90 degrees to the top.

If you have a quality combination square, this is the way you square a table saw blade. It’s the way I was shown and I believe it to be the most acurate method.

Surely this has been in a magazine article somewhere….. Just bringing it to the attention of any interested party.

Be Good
Rhett

-- It's only wood.



8 comments so far

View Eric in central Florida's profile

Eric in central Florida

3665 posts in 2299 days


#1 posted 07-02-2013 10:09 PM

I don’t claim to be an expert.
Far from it.
But there are few guys making videos out there who are less knowledgeable in woodworking then a trained chimp.
And, unfortunately, they are messing up the newer guys who are even less knowledgeable.

-- All glory comes from daring to begin.

View mIps's profile

mIps

174 posts in 778 days


#2 posted 07-03-2013 03:03 AM

That is great for vertical and using the same square to reference off the miter slot does for horizontal.

-- Be honest, honorable, kind, work hard, and generally be awesome.

View robscastle's profile

robscastle

1874 posts in 927 days


#3 posted 07-03-2013 08:47 AM

That’s the internet for you,
A little Knowledge is dangerous comes to mind.
It almost mandatory when watching some videos that you know better in the first instance and disregard the information presented unless its something you didn’t know.
Always rely on the “Its too good to be true” as in most cases it is not true and borders on a dangerous practice or dangerous event.

Our tools and also our timber are very precious to us and we don’t need to be wasting either by being mislead, causing injury and ruining our projects.

Good post that’s the sort of exposure required.

Regards

Robert Brennan

-- Regards Robert

View BTimmons's profile

BTimmons

2165 posts in 1208 days


#4 posted 07-03-2013 03:00 PM

Handy tip. I’ll be sure to remember it.

-- Brian Timmons - http://www.BigTWoodworks.com

View rfusca's profile

rfusca

155 posts in 567 days


#5 posted 07-03-2013 04:47 PM

If your insert isn’t square to the top, wouldn’t it angle the cut as it ride over it?

-- Chris S., North Atlanta, GA - woodworker,DBA, cook, photographer

View rhett's profile

rhett

699 posts in 2390 days


#6 posted 07-04-2013 02:14 AM

Use the straight edge of the combo square to level the insert with the top. Most will have adjustment screws on the four corners. If you are ripping wood, narrower than the thin side of the insert, I would make sure the length of your stock, easily spans iron to iron.

-- It's only wood.

View rfusca's profile

rfusca

155 posts in 567 days


#7 posted 07-04-2013 04:26 AM

Right…so if the insert is level with the top, then there’s no issue.

-- Chris S., North Atlanta, GA - woodworker,DBA, cook, photographer

View rhett's profile

rhett

699 posts in 2390 days


#8 posted 07-04-2013 12:03 PM

The insert “floats” in the top and is not a solid or consistent reference point for square. For the most accuracy in any stationary machine, square from a known flat, rigidly attached surface with the largest square that will work.

-- It's only wood.

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