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saw blade with a _minimum_ depth of cut?

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Forum topic by JesseTutt posted 79 days ago 582 views 0 times favorited 13 replies Add to Favorites Watch
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JesseTutt

763 posts in 617 days


79 days ago

Topic tags/keywords: saw blade

I never heard of a saw blade having a minimum depth of cut until I read the latest e-mail from Woodworker’s Supply. They list a series of freud saw blades and for each one they list a minimum depth of cut when crosscutting and a minimum depth of cut when ripping.

Do saw blades (10 inch) really have a minimum depth of cut?
What happens if you cut a piece that is less than the minimum depth?

Thanks, Jesse

-- Jesse, Saint Louis, Missouri


13 replies so far

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Greg The Cajun Box Sculptor

4751 posts in 1815 days


#1 posted 79 days ago

I would imagine a minimum depth of cut is when you lower the blade below the top of the table

-- Every step of each project is considered my masterpiece because I want the finished product to reflect the quality of my work. http://www.FineArtBoxes.com

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wseand

2069 posts in 1548 days


#2 posted 79 days ago

I would assume it is a manufacturers recommendation, they consider it unsafe or not as accurate.

-- Bill - "Freedom flies in your heart like an Eagle" Audie Murphy

View Tenfingers58's profile

Tenfingers58

76 posts in 1184 days


#3 posted 79 days ago

Jesse, If Woodworker Supply said it, why not ask them? Get the info “straight from the horses mouth” and let us know what you learned.

I’ve never heard of a minimum depth of cut before.

How do I get on their email list?

View Rick M.'s profile

Rick M.

3395 posts in 887 days


#4 posted 79 days ago

Freud does make recommendations based on wood thickness but I’ve never heard it called a minimum depth of cut.

-- |Statistics show that 100% of people bitten by a snake were close to it.|

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knotscott

5156 posts in 1882 days


#5 posted 79 days ago

Wonder if they meant ”maximum” depth of cut?

-- Happiness is like wetting your pants...everyone can see it, but only you can feel the warmth....

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dusty2

304 posts in 1936 days


#6 posted 79 days ago

No, I believe they meant “minimum” because they also specify “maximum”.

Reading between the lines (on the Freud spec sheets), I conclude that they are specifying the depth of cut that must be maintained to avoid adversely impacting the quality of cut edge. This would be dictated by the geometry of the cutting edge (the carbide) of the blade.

In mill work, depth of cut is an important set up factor.

-- Making Sawdust Safely

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Picklehead

464 posts in 436 days


#7 posted 79 days ago

I can see the ads now: “The Minfinity blade series has the smallest minimum depth of cut in it’s class. To Minfinity, and beyond!”

-- You've got to be smarter than the tree.

View jinkyjock's profile

jinkyjock

107 posts in 81 days


#8 posted 79 days ago

In my experience I was always taught to show 5 teeth above the height of the stock being cut for most efficient use of saw-blade. Ergo larger saw blades being used on thinner stock is inefficient if not used appropriately as you are impacting on tooth rake. Could this be something they have in mind.

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JesseTutt

763 posts in 617 days


#9 posted 79 days ago

I pulled this off the e-mail advertising the Freud LU84 conbination sawblade:
• 3/4” minimum depth of cut when crosscutting; 3-1/2” maximum.
• 1/4” minimum depth of cut when ripping; 1-1/2” maximum.
• Large gullets in front of flat top rakers allow for fast ripping and easy chip removal.

I think I will e-mail Woodworker’s Supply and ask them.

Thanks for all the replies.

-- Jesse, Saint Louis, Missouri

View wseand's profile

wseand

2069 posts in 1548 days


#10 posted 79 days ago

If you go to Freud’s web site all their blades come with a Min and Max cut depth. I would ask Freud.

-- Bill - "Freedom flies in your heart like an Eagle" Audie Murphy

View PurpLev's profile

PurpLev

8473 posts in 2155 days


#11 posted 79 days ago

it is most likely the minimum depth of cut to make use of the gullets in the blade to remove chips and cut-materials. otherwise if you cut any lower, the blade gullet geometry won’t be able to efficiently remove waste and could result in burning, bogging, or otherwise poor cut quality.

-- ㊍ When in doubt - There is no doubt - Go the safer route.

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MrRon

2414 posts in 1750 days


#12 posted 79 days ago

The minimum depth cut sounds like a safety recommendation to counter kickback.

View Rick M.'s profile

Rick M.

3395 posts in 887 days


#13 posted 79 days ago

What is there to ask? Look at this chart, each blade is designed for an optimum thickness. No one will arrest you if you cut something thicker. You’re making simple into hard.

http://www.freudtools.com/images/SB-Sel-3000x2164.jpg

-- |Statistics show that 100% of people bitten by a snake were close to it.|

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