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Bench Grinder Sharpening

9:04
15:39
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At 9:04 in

How the Pro's sharpen a chainsaw

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What happens here

The bench grinder (or chain sharpener) is introduced as a faster alternative to hand filing. To use it, secure the machine to a sturdy surface, like a workbench. Load the chain into the grinder's clamp, ensuring it is properly seated. Consult the chain's specifications (often found on its packaging) to determine the correct sharpening angle, typically around 30 degrees. Adjust the grinder's settings to match this angle. There are two main adjustments: one for the angle of the grind and another for the depth of the grind to prevent going too far into the gullet. Once set, apply gentle, momentary pressure to touch the cutting wheel to the tooth. Avoid holding the wheel against the tooth for too long, as this can overheat and 'blue' the metal, ruining the heat treat and making the tooth brittle and difficult to hand file later. Like hand filing, sharpen every other tooth on one side, then flip the chain to sharpen the remaining teeth.

Goal: Sharpen chainsaw teeth efficiently using a bench grinder while maintaining proper angles and preventing damage

Tools and materials

  • Chainsaw Bench Grinder Oregon — Efficiently sharpening chainsaw teeth
  • Chainsaw Stihl — The object being sharpened
  • Safety Glasses — To protect eyes from sparks and debris
  • Work Light Milwaukee — To illuminate the working area for better visibility

What they say

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the reductase or rayker okay you should check the depth of your acres every time you know there's two ways to do it the way with the tool that they sell you set that on top and you just run your flat file over it so there's a little bit of a hang up there so that needs to be brought down the way I like to do it is I'd like to look right down the nose of the bar yeah and you can see the top of the depth gauge or the raker and then you you want to just barely be able to see the bottom of the top plate go ahead don't don't don't doll sure sure that's half of them we are what we like to spend time cutting trees you know it don't pay the certainty that this speeds the process up and if you can you know if you're doing a lot of wood cutting the honey it's worth the investment they're about six hundred bucks but this really speeds the process okay so you can you see how he's gotten laid that in I can see okay so that's out so what this thing does is you can set it in there pullback and then the one that comes off wrong too and I want to do it so yes you gotta set the set the grinder depending on what the chain is specified for so right now Tanner's setting it this chain spec to be sharpen at a 30-degree angle so that's what he's set in this grinder floor right here okay so can you see right there so it says 30 degree angles Lee's 0 10 20 30 so you set the grinder at a 30 degree love that chain needs a 30 degree okay and it's just like sharpening it by hand you do 30 and you skip every other on this side that one you're done with the whole side you will eventually switch and set it to 30 degrees and do the other side okay it's important though the big mistake that these guys can the guys can make with this machine is they can blew your - so what a Bluetooth is it means the tooth got too hot and you'll actually look at it and it will be like a bluish-purple and that just means they help the wheel on there too long so it's not like a game of this man you don't just apply as much pressure as you possibly can you'll see tanner here in a second he just kind of he feathers it he uses two fingers and he literally just bounces this cutting wheel off the tip of the tooth and takes his luck this little metal as you can oh yeah so another important piece is you want to make sure that all your teeth the top plate of the teeth is all the same length so but the first step the Tanner is going to do when he sharpens the chain is he's gonna go through on this chain and identify…

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