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master gardener
Posts: 2753
Location: Carlton County, Minnesota, USA: 3b; Dfb; sandy loam; in the woods
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Edge case submission

  - action pic of sharpening
  - closeup of a tooth that is really dull
  - another closeup of the same tooth - nice and sharp!

I was limbing a tree the other day and things weren’t going as smoothly as I thought they should and there was a little smoke coming from the cut. I decided the blade might be dull, but I don’t really know what I’m doing. I was thinking about buying a replacement blade but found some info on sharpening in the manual and then I remembered the tool-care section of PEP and found this BB. So I bought a sharpening kit and read the instructions that came with the kit and the saw (over and over, trying to make sense of them) and coupled with some stuff said above in this thread, I performed a basic sharpening all around.

I have more to learn but this was a cool start toward competence.

16920514-E8CA-4E41-BD64-DBFEE908F032.jpeg
Getting my stuff together.
Getting my stuff together.
F3A28A1E-6DB3-4402-8A0E-D571278DFC57.jpeg
The action shot.
The action shot.
2A66173B-7A3A-441B-AED0-DBAF207DB427.jpeg
Before sharpening, through a magnifying worklight thing.
Before sharpening, through a magnifying worklight thing.
9A81B2B8-C370-4DBE-A321-7BFD75E9EE82.jpeg
Same tooth after sharpening.
Same tooth after sharpening.
Staff note (gir bot) :

Someone flagged this submission as an edge case BB.
BBV price: 0
Note: It's hard to tell the difference between the dull and sharp pics.  Could you try to get a better "sharp" pic for us?  Or a worse "dull" one?

 
Posts: 35
Location: Virginia, USA
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Approved submission
It was time to sharpen again!  Since I didn't get good pictures last time hopefully this time they are good enough to pass.

01-Dull.jpg
Dull Angle 1
Dull Angle 1
02-Dull.jpg
Dull Angle 2
Dull Angle 2
03-Dull.jpg
Dull Angle 3
Dull Angle 3
04-Sharpening.jpg
Sharpening with a file
Sharpening with a file
05-Sharp.jpg
Sharp Angle 1
Sharp Angle 1
06-Sharp2.jpg
Sharp Angle 2
Sharp Angle 2
Staff note (gir bot) :

Opalyn Rose approved this submission.
Note: I certify this badge bit complete.

 
pioneer
Posts: 261
Location: SF Bay, California Zone 10b
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Approved submission
I have once again sharpened a chainsaw chain! Except this time, I really sharpened it. As a someone who's never done a lot of this stuff before, it's often difficult for me to tell if what I've done truly meets the standards set forth by a particular BB. But when I looked at the previous submission I made, it was clear to me that I didn't really sharpen the chain that much. I consider it a sign of progress that I was able to see that, because at the time I totally thought it was sharp. Hopefully this submission is up to snuff.
20220429_141517.jpg
dull tooth
dull tooth
20220429_141634.jpg
action shot of filing
action shot of filing
20220429_142302.jpg
sharpened tooth
sharpened tooth
Staff note (gir bot) :

Someone approved this submission.
Note: I certify this BB complete!

 
pollinator
Posts: 273
Location: Gaspesie, Quebec, Canada, zone3a at the bottom of a valley
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Approved submission
Working hard in the forest. The chainsaw is due!
20220627_152934.jpg
Dull chain
Dull chain
20220627_153021.jpg
Action!
Action!
20220627_153457.jpg
Mirror sharp
Mirror sharp
Staff note (gir bot) :

Mike Barkley approved this submission.

 
pollinator
Posts: 228
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Submission flagged incomplete
Sharpening a chainsaw.
20220720_100523.jpg
Dull tooth
Dull tooth
20220720_100700.jpg
Sharp tooth
Sharp tooth
20220720_161854.jpg
Sharpening the chainsaw
Sharpening the chainsaw
Staff note (gir bot) :

Someone flagged this submission as not complete.
BBV price: 1
Note: Sorry, we need to see good clear pics.

 
Posts: 56
Location: Florida Panhandle
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Approved submission
Here is my submission.

Tip: be careful not to heat up the tooth if using one of these electric sharpeners. No more than 3 seconds per tooth. If the chain is really dull, I go around the chain multiple times at 3 seconds per tooth to accomplish this.  If you heat them up the steel will lose its temper and get soft.

It was really hard to get a close up of the tooth, so I included two shots from different angles.
9D5C49FD-5FBE-40D3-9985-1AF2634954B0.jpeg
Dull
Dull
D11599EE-D4E6-4267-A476-3ED59DA6A05F.jpeg
Dull
Dull
7407465C-2262-4F8B-863A-A2822941206A.jpeg
Action
Action
4F9041A5-1DB0-4419-B990-0B50AC9DB633.jpeg
Sharp
Sharp
D91B40A1-16F6-47FB-A868-9F3ED1BC6A86.jpeg
Sharp
Sharp
C46268BA-C655-4278-8D0C-DEC29E1D4DD4.jpeg
Sharpener that I used
Sharpener that I used
Staff note (gir bot) :

Raphaël Blais approved this submission.
Note: Sharp ! thanks for the submission !

 
pollinator
Posts: 257
Location: Pacific Northwest
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Approved submission
My chainsaw got dull so I'm trying my hand at sharpening
20230528_123258.jpg
before, dull tooth
before, dull tooth
20230528_123615.jpg
after, the tooth is sharp
after, the tooth is sharp
20230528_123317.jpg
during, cha boi being handsome af
during, cha boi being handsome af
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Paul Fookes approved this submission.
Note: I certify this BB complete. Well done

 
pollinator
Posts: 72
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Submission flagged incomplete
We recently acquired a chainsaw sharpener, this was my first time using it. It worked well, I would definitely recommend it.
chain1.JPG
a very dull chain
a very dull chain
chain2.JPG
action shot
action shot
chain3.JPG
sharp chain
sharp chain
sharp.JPG
[Thumbnail for sharp.JPG]
Staff note (gir bot) :

Someone flagged this submission as not complete.
BBV price: 1
Note: The hardest part of this BB is getting a clear close up picture of the sharpened edge. Check the first few posts to see examples.

 
Posts: 141
Location: Great North Woods (45th parallel)
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I use a grid wheel model by Oregon. I do all my chains (usually around 10 or so) one direction and then adjust for the other direction. This way I can just put on a sharpened chain as needed. A few years ago I had about 25 chains made, saved lots of money.  I also suggest using a depth gauge after sharpening.
 
John Pachall
pollinator
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John Pachall wrote:We recently acquired a chainsaw sharpener, this was my first time using it. It worked well, I would definitely recommend it.



By the way this is an add-on post for the one above, due to me not being able to edit my original post.
IMG_20230906_101519.jpg
[Thumbnail for IMG_20230906_101519.jpg]
 
It's a pleasure to see superheros taking such an interest in science. And this tiny ad:
two giant solar food dehydrators - one with rocket assist
https://solar-food-dehydrator.com
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