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confused about saw teeth

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Forum topic by Karda posted 12-31-2019 06:43 PM 994 views 0 times favorited 26 replies Add to Favorites Watch
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Karda

2368 posts in 1363 days


12-31-2019 06:43 PM

Hi, I want a rip saw so i went to my neighborhood junk store and looked at saw, they had a bunch. i know the difference between a rip and a crosscut hand saw but when I looked at the saw with worn and sometimes broken teeth I couldn’t tell the difference. are these pictures rip saws the teeth have a forward lean to them thanks.


26 replies so far

View Don W's profile

Don W

19655 posts in 3376 days


#1 posted 12-31-2019 06:59 PM

I’d say they are all crosscut

http://www.vintagesaws.com/library/primer/sharp.html

-- http://timetestedtools.net - Collecting is an investment in the past, and the future.

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Karda

2368 posts in 1363 days


#2 posted 12-31-2019 09:43 PM

ok thanks for the information it will be helpful, next i time I will take picture with me to compare

View bandit571's profile

bandit571

26186 posts in 3492 days


#3 posted 12-31-2019 10:03 PM

Craftsman 5-1/2ppi Rip

Older 6ppi rip

One tooth snapped off, will being set…

-- A Planer? I'M the planer, this is what I use

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SMP

2268 posts in 714 days


#4 posted 01-01-2020 06:09 AM

Yeah on most older hand saws and panel saws rip teeth really stand out. At first glance from pics look like crosscut and perhaps fine crosscut in 2nd pic? The last pic hard to tell as i’m not sure if that is zoomed in more than others? Can you read the pitch on the heel?

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Karda

2368 posts in 1363 days


#5 posted 01-01-2020 06:25 AM

I don’t have the saws, I took the pics to have the tooth pattern identified. I have seen pics of a rip saw but never a saw. and the teeth on these saws were old rusty and on some very worn. I am looking for a rip saw to use but also i want to learn to sharpen them. One of the cross cuts I got cut better than the 2 I have thanks mike

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Johnny7

500 posts in 1899 days


#6 posted 01-01-2020 06:56 AM

Karda

The way to tell a rip from a crosscut saw is by looking down onto the teeth.

Note the bevels on the leading and trailing edges of the crosscut saw drawing.

If you still can’t tell even after examining them, then it doesn’t matter. It means they need to be sharpened.
Rip and crosscut saws are not manufactured differently—they become one or the other when the teeth are sharpened. This means any saw can be converted from one to the other.

View MrRon's profile

MrRon

5925 posts in 4052 days


#7 posted 01-01-2020 06:23 PM

When you find a saw, tap the blade with your knuckle. If it has a ring , then it’s still good to use. If it’a a dull thud, the temper is gone and is NG as a saw.

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SMP

2268 posts in 714 days


#8 posted 01-01-2020 07:22 PM



When you find a saw, tap the blade with your knuckle. If it has a ring , then it s still good to use. If it a a dull thud, the temper is gone and is NG as a saw.

- MrRon

The other issue with some old rusty saws is the teeth can snap off when setting. So even if it passes this test, try setting a couple teeth and of they snap, don’t waste your time tring to sharpen them.

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Karda

2368 posts in 1363 days


#9 posted 01-01-2020 10:37 PM

thanks for the hints on blade hardness. Johny in the diagram is the tooth angle the same for the rip and cross cut but the shape different

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SMP

2268 posts in 714 days


#10 posted 01-01-2020 11:11 PM


thanks for the hints on blade hardness. Johny in the diagram is the tooth angle the same for the rip and cross cut but the shape different

- Karda

Angle can be the same or different, can even change over the length on “progressive pitch”. The thing to look for on crosscut is called fleam. Think of holding the saw with the teeth up. A rip saw will be filed with the file perpendicular to the blade, whereas on a crosscut the file would be angled away from perpendicular. This is one of the best resources here, read some of these. Also a good place to buy saw blades and kits etc.

http://www.blackburntools.com/articles/index.html

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Johnny7

500 posts in 1899 days


#11 posted 01-01-2020 11:41 PM


thanks for the hints on blade hardness. Johny in the diagram is the tooth angle the same for the rip and cross cut but the shape different

- Karda

The rake angle will not help you to differentiate one style from another. Rip and crosscut saws can, and often do, utilize the same angle.

Though there are “standard” rake angles, there is also a wide array of variations—whatever the filer chose to use.
The steepness of this angle determines, among other things, the aggressiveness, ease of starting, etc.

View Dark_Lightning's profile

Dark_Lightning

4147 posts in 3918 days


#12 posted 01-02-2020 12:53 AM

And just to muddy the finish, you can buy a “combination” blade.

-- Steven.......Random Orbital Nailer

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Karda

2368 posts in 1363 days


#13 posted 01-02-2020 04:07 AM

thanks, looks like things are awful complicated for something so simple. I better start studying. I twanged my saws and even my 8 point that i bought new almost 40 yrs ago I I have never sharpened won’t twang, My grandfather will but the tip is damaged That is if I did it right

View Sylvain's profile

Sylvain

1054 posts in 3308 days


#14 posted 01-03-2020 11:36 AM

https://paulsellers.com/2016/04/sharpening-first-crosscut-saw/

https://paulsellers.com/2016/04/s/

-- Sylvain, Brussels, Belgium, Europe - The more I learn, the more there is to learn

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Karda

2368 posts in 1363 days


#15 posted 01-03-2020 07:12 PM



When you find a saw, tap the blade with your knuckle. If it has a ring , then it s still good to use. If it a a dull thud, the temper is gone and is NG as a saw.

- MrRon


got it, what if it has a lot of rust on it will that interfere with the ring

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