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10" saw blade with square teeth?

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Forum topic by Lloyd Davies posted 09-04-2009 09:03 AM 3714 views 0 times favorited 16 replies Add to Favorites Watch
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Lloyd Davies

110 posts in 1977 days


09-04-2009 09:03 AM

Topic tags/keywords: question spline blade square

Can anyone recommend a 10” saw blade that has “square” teeth. I am having a hard time making nice clean splines. My current saw blade has teeth that give cuts that angle differently for each tooth. When I put my thin piece of wood in for my spline it goes in OK but the fit furthest away from the corner is not so good because it’s not a square cut.

I hope this explanation makes sense and someone can answer me.

Thx, Lloyd

-- Northern California http://www.lloydus.com


16 replies so far

View papadan's profile

papadan

1152 posts in 2020 days


#1 posted 09-04-2009 12:17 PM

How about one of the outside blades from a Dado set?

-- Carpenter assembles with hands, Designer builds with brains, Artist creates with heart!

View Sawdust2's profile

Sawdust2

1467 posts in 2739 days


#2 posted 09-04-2009 12:41 PM

My guess is that you have an ATB blade – Alternate Top Bevel. If you look at the blade on edge one tooth points out to the left and the next points out to the right. This leaves a cut with a small inverted V at the bottom of the cut.
What you need is an ATBR -Alternate Top Bevel with a Raker. Every third tooth is flat thus leaving a flat bottom.
It’s a pretty standard blade.

Lee

-- No piece is cut too short. It was meant for a smaller project.

View Broda's profile

Broda

313 posts in 2170 days


#3 posted 09-04-2009 01:34 PM

I remembered reading one of Don’s box blogs about cutting splines ( http://lumberjocks.com/Don/blog/1702 ) and this question was asked; the response was

“If you can get to a home depot, the Ridgid 50 tooth combination blade sells for $29 and makes flat bottom cuts.

Popular Woodworking magazine listed it as one of the best buys for a saw blade earlier this year. It came in just under the really expensive WWII and Freud blades, but at a fraction of the cost.”

but that was 700 days ago, not sure if they’re still made

-- BRODY. NSW AUSTRALIA -arguments with turnings are rarely productive-

View FatScratch's profile

FatScratch

189 posts in 1954 days


#4 posted 09-04-2009 02:20 PM

The Ridgid 50 tooth combo blade mentioned is still sold at home depot for $40 and is a great value (it is actually made by Frued). The 50 tooth has a raker tooth, which is a flat top grind and will produce a flat bottom. Most rip blades are flat top grinds which will give you the smooth bottoms for the splines you’re seeking.

View FlWoodRat's profile

FlWoodRat

732 posts in 2560 days


#5 posted 09-04-2009 02:58 PM

Lloyd, have you looked at this blade?

http://www.forrestsawbladesonline.com/product_590_8_40_Tooth_WOODWORKER_II_Saw_Blade_1_Grind_for_Square_Cut_B.html

It’s only an 8” blade, buy you can always raise the arbor.

I have two Forrest blades.. A WWII for my TS and the 12” chop master for my CSMS.. Love them both and the Forrest sharpening service is priced right and timely.

Rat

-- I love the smell of sawdust in the morning....

View teenagewoodworker's profile

teenagewoodworker

2727 posts in 2419 days


#6 posted 09-04-2009 03:33 PM

just look for a good ripping blade… most ripping blades have the square blade… i think its called like a FTB (flat top bevel) grind or something like that… not really sure though… i have a Freud and i love it

View Kent Shepherd's profile

Kent Shepherd

2698 posts in 1937 days


#7 posted 09-04-2009 04:08 PM

Check out Freud—LM72R010

-- She thought I hung the moon--now she just thinks I did it wrong

View TheWingDoctor's profile

TheWingDoctor

14 posts in 2094 days


#8 posted 09-04-2009 04:13 PM

I use this Forrest Blade. It is 10” and cuts a perfectly square bottomed groove for splines. Not the cheapest, but Forrest is a great blade.

-- Bruce - Fav. Quote "A man's got to know his limitations." Dirty Harry Calahan

View knotscott's profile

knotscott

5453 posts in 2027 days


#9 posted 09-04-2009 08:54 PM

Lloyd – Flat top grinds are typically found on ripping blades. For splines, I’d think any of the better FTG rippers would do nicely….Infinity 010-024, Freud LM72, Amana RB1020, DW7642 or DW7124, Ridge Carbide, Forrest, etc.

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

View LONGHAIR's profile

LONGHAIR

94 posts in 2466 days


#10 posted 09-04-2009 11:09 PM

My “heavy duty rip” full kerf Freud blade is a FTG, but I am pretty sure that the narrow kerf ripping blade that I have (also Freud) has ATB teeth, so check before buying.

View Karson's profile

Karson

34874 posts in 3052 days


#11 posted 09-05-2009 01:06 AM

As others have said a ripping blade has the flat teeth, they also usually have fewer teeth so it can hog out wood when ripping.

-- I've been blessed with a father who liked to tinker in wood, and a wife who lets me tinker in wood. Southern Delaware karson_morrison@bigfoot.com †

View knotscott's profile

knotscott

5453 posts in 2027 days


#12 posted 09-05-2009 02:46 AM

”My “heavy duty rip” full kerf Freud blade is a FTG, but I am pretty sure that the narrow kerf ripping blade that I have (also Freud) has ATB teeth, so check before buying.”

The Freud Diablo 24T TK ripper and the Freud TK Avanti 24T ripper both have ATB grinds, but the LU87R010 TK has an FTG like the LM72. Best to check since it’s not universal.

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

View Lloyd Davies's profile

Lloyd Davies

110 posts in 1977 days


#13 posted 09-06-2009 03:49 AM

Thanks all for your suggestions. I now feel fully informed a bout what I need to getf. I think it will be some kind of ATBR blade.

-- Northern California http://www.lloydus.com

View knotscott's profile

knotscott

5453 posts in 2027 days


#14 posted 09-06-2009 01:06 PM

Lloyd – Just to be clear, an ATB/R configuration does not produce a true flat bottom. The ATB teeth protrude slightly beyond the flat raker, which leaves small grooves on each edge of the kerf of ~ 0.15” depending on the individual geometry. The ATB teeth will offer no slicing benefit if they don’t protrude beyond the raker. Only an FTG will leave a true flat bottom. An ATB/R can still be used successfully for splines but they won’t be perfectly flat.


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

View Bill White's profile

Bill White

3447 posts in 2612 days


#15 posted 09-06-2009 11:17 PM

Lloyd, you need to pay attention to Knotscot’s post and go to saw blade school (my choice of words for “STUDY”). It is very important that you understand all the ramifications of table saw use before ya get into trouble.
Bill

-- bill@magraphics.us

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