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Tool Tweaks #3: Saw Sharpening Pt.2

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Blog entry by Dorje posted 2398 days ago 3918 reads 1 time favorited 10 comments Add to Favorites Watch
« Part 2: Learning to Sharpen Saws Part 3 of Tool Tweaks series no next part

Got back out to the shop and made the little guide blocks as seen in the Vintage Saws site tutorial.

The use of the blocks really did help to maintain the rake angle and give you something to hold on to when filing. I continued to file all the teeth from one side until they all had a uniform shape.

After the teeth were shaped, I set them using a standard set with a range of 4-12 TPI settings. I used a set similar to this one:

I jointed lightly once again and filed the teeth lightly from both sides this time (alternating every tooth). It’s important to file the teeth that are set away from you. I ended up using two passes on each side to remove the flats and file the teeth to sharp points that do not reflect light on the cutting edge. Here’s what I ended up with:

I’m pretty pleased. Remember what the teeth looked like originally? Here you go:

I was able to take a saw that literally could not cut, and sharpen it to a real decent cutting saw that cuts straight (or as straight as I can cut) and fits snug in the kerf without binding:

A little more technical info:

The saw blade is .020” thick and it now has an overall set of .006” or .003” per side, achieved by systematically honing the sides of the teeth to reduce the set. I think it took 3-4 passes per side with a coarse diamond hone. After setting the teeth, the saw had an overall set of .012” (with the saw set on it’s finest setting). Even that would be a lot better than the original .022” of set the saw came with, which would make the kerf .042” or twice as thick as the blade!

This saw with 13 TPI filed RIP with an 8 degree rake angle cuts fast and clean.

Next, I’ll tune the crosscut saw…

-- Dorje (pronounced "door-jay"), Seattle, WA



10 comments so far

View Tomcat1066's profile

Tomcat1066

942 posts in 2429 days


#1 posted 2398 days ago

Looks really good! Some very nice cuts there!

-- "Give me your poor tools, your tired steel, your huddled masses of rust." Yep, I ripped off the Statue of Liberty. That's how I roll!

View MsDebbieP's profile

MsDebbieP

18615 posts in 2794 days


#2 posted 2398 days ago

I think you are very patient

-- ~ Debbie, Canada (https://www.facebook.com/DebbiePribeleENJOConsultant)

View Bob #2's profile

Bob #2

3808 posts in 2655 days


#3 posted 2398 days ago

Dorje, your passion is really evident with this project. Most would cave in a buy a high end saw and miss the adrenaline rush of doing it yourself.
Good on you man.

Bob

-- A mind, like a home, is furnished by its owner

View Mike Lingenfelter's profile

Mike Lingenfelter

500 posts in 2747 days


#4 posted 2397 days ago

A lot of good information. I haven’t tackled sharpening a saw yet, but it is something I will have to try. I’ll have try some black and white pictures. I really like the detail and contrast you get with your photos.

View GaryK's profile

GaryK

10262 posts in 2622 days


#5 posted 2397 days ago

Pretty good information there. Good job.

-- Gary - Never pass up the opportunity to make a mistake look like you planned it that way - Tyler, TX

View Jeff's profile

Jeff

1011 posts in 2727 days


#6 posted 2397 days ago

Awesome. Thanks for the update! Those are some nice kerfs you cut and nice touch with the shot of the vertical placement of the saw.

-- Jeff, St. Paul, MN

View mranum's profile

mranum

131 posts in 2049 days


#7 posted 2038 days ago

Doing some reading on learning to do this, and I must say that this is an excellent blog.

-- Just remember,it was a lone amatuer that built the ark, and a team of experts built the Titanic.

View Karson's profile

Karson

34870 posts in 3034 days


#8 posted 2038 days ago

Some more great info. Thanks for the blogs.

-- 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 Karson's profile

Karson

34870 posts in 3034 days


#9 posted 2038 days ago

Is this saw set up to cut on the pull or the push stroke?

-- 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 Dorje's profile

Dorje

1763 posts in 2630 days


#10 posted 2038 days ago

Thanks guys -

Karson this is a western style saw, so it cuts on the push…

mranum – good luck with your sharpening adventures…

I still need to try some more of this!

-- Dorje (pronounced "door-jay"), Seattle, WA

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