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Blade height on a circular saw?

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Spikey12/07/2016 15:21:30
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584 forum posts
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I've never been sure what's reckoned to be the "proper" height to set the blade on a tabletop circular saw for cleanest cut. Is it top of blade just through the material, or what?

If it makes any odds, this is a Proxxon with 80mm TCT blade.

Denis Watkins12/07/2016 15:38:34
3596 forum posts
166 photos

The least resistance on the motor and the blade is just to set the blade as you say, just through the material Spikey.

The best cut is determined by teeth per inch, against material hardness, and feed speed through the blade, so we use a general purpose blade mostly that is a compromise.

In manufacturing they do match the blade with the material for mass production savings and accuracy

Steven Shaw12/07/2016 16:01:36
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294 forum posts
160 photos

I was taught to set the height so that the bottom of the tooth profile is just above the wood to be cut..

Shaunie12/07/2016 16:50:29
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945 forum posts
78 photos

I think the least blade exposure possible is the best for two reasons.

1. The blade is not crossing the wood at right angles so it should give a better finish with less break out at the bottom.

2. In safety terms any contact with the blade and your fingers is a bad thing but if things go wrong then less blade exposure could make a difference between a nasty nip and an amputation.

Shaunie.

iqon12/07/2016 17:16:23
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1432 forum posts
238 photos

Just through the wood wink

Steven Shaw12/07/2016 17:32:30
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294 forum posts
160 photos

Here is a link to the Proxxon FET tablesaw Operators manual, if you don't have one.

http://www.homedepot.com/catalog/pdfImages/fa/fa0d7b23-00c8-48e8-a6a6-4d9e44c219e7.pdf

 

Edited By Steven Shaw on 12/07/2016 17:38:24

Spikey12/07/2016 18:05:17
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584 forum posts
17 photos

Thanks gentlemen.

Steve, I do have a copy of that manual, thank you - but I still can't see where it answers my question ...

Spikey12/07/2016 18:06:01
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584 forum posts
17 photos

Oooooooer ...

blush

Steven Shaw12/07/2016 18:29:13
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294 forum posts
160 photos

No I don't see it either. I set mine so that I can see the tooth gullet, too high means harder to push through narrow ripped strips and too low promotes kickback [wood gets flung back at you by the teeth catching the wood].

It is a great little saw, I use mine quite bit for my scratch building.

Edited By Steven Shaw on 12/07/2016 18:30:08

trebor12/07/2016 19:14:16
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1894 forum posts
212 photos

Watch out for the blades flexing if you push the wood through too hard, especially on ply.

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