How to Sharpen a Chainsaw With a Grinder?

You probably use your chainsaw a lot during the summer months if you’re like me. And, if you’re like me, then you also hate having to stop what you’re doing every time the chain gets dull and needs to be sharpened. I have some good news for you: You can sharpen your chainsaw with a grinder! In this post, I’ll show you how to do it. Stay safe and have fun!

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Benefits of Using Grinder:

There are several benefits of using a grinder to sharpen your chainsaw.

  • It’s much faster than sharpening by hand.
  • It’s much easier to get a consistent edge with a grinder.
  • You can sharpen your chain without having to remove it from the saw.

How to Sharpen a Chainsaw With a Grinder?

Identify your workspace: You’ll need a clean, well-lit area to work in. Please make sure the grinder you’re using is unplugged and that there’s no chance of it turning on while you’re working.

Remove the chain: Most chainsaws have a cover over the bar and chain. You’ll need to remove this before you can access the chain. Once the cover is off, you’ll see a knob or lever that you can use to loosen the chain. Do this so that you can remove the chain from the bar.

Inspect the chain: Take a close look at your chain. You’re looking for any cracks, damage, or wear. If you find any of these, it’s time to replace the chain.

Clean the chain: Use a wire brush or old toothbrush to remove any dirt, grease, or sawdust from the chain. This will help you get a better result when sharpening.

Test the Grinder: Once the chain is removed and cleaned, it’s time to test the grinder. Put on your safety gear and plug in the grinder. Hold it against a piece of scrap wood and turn it on. Let it run for a few seconds to ensure it’s working correctly.

Sharpen the Cutters: The first step in sharpening the chain is to sharpen the cutters. The cutters are the teeth that do the actual cutting. Hold the grinder against the cutter at a 45-degree angle to sharpen them. Apply gentle pressure and move the grinder from front to back. Do this for all of the cutters on the chain.

Sharpen the Rakers: The rakers are the teeth that control the depth of the cut. To sharpen them, hold the grinder at a 90-degree angle and gently move it from front to back.

Reassemble the chain: Once you’ve sharpened the cutters and rakers, it’s time to reassemble the chain. Put the chain back on the bar and tighten it. Replace the cover and make sure all of the screws are tight.

Test the chainsaw: Now, it’s time to test your newly sharpened chain. Start the chainsaw and let it run for a few seconds. Then, try cutting through a piece of wood. If the chain is sharpened correctly, it should cut through the wood easily.

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Things to Avoid:

Don’t over-sharpen the chain: You don’t need to sharpen every cutter on the chain. Over-sharpening can damage the cutters and shorten the life of the chain.

Please don’t use a dull grinder: It will make it difficult to sharpen your chain correctly. If your grinder is getting dull, get a new one.

Don’t forget to prop the saw up: When you’re sharpening the chain, make sure the saw is propped up so that the bar and chain are off the ground. This will make it easier to work on and avoid accidents.



Sharpening your chainsaw with a grinder is the best way to keep it in good condition and ensure it will last for years. Stay safe and have fun!

Frequently Asked Questions

How often should I sharpen my chainsaw?

It depends on how often you use it and what you’re using it for. If you’re cutting softwood, you can probably get away with sharpening the chain every few days. If you’re cutting hardwood or using the chainsaw for a lot of different tasks, you’ll need to sharpen it more often.

Can I use a file to sharpen my chainsaw?

Yes, you can use a file to sharpen your chainsaw. However, it’s much easier to use a grinder. A file can also take longer to sharpen the chain properly.

What is the best way to sharpen a chainsaw?

The best way to sharpen a chainsaw is with a grinder. It’s fast and easy, giving you the best results.

What are the consequences of not sharpening my chainsaw?

If you don’t sharpen your chainsaw, the chain will get dull, and it will be harder to cut through wood. The chain can also begin to slip, which can be dangerous.

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