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How to Clean a Circular Saw Blade

What if there was a way to improve your table or circular saw’s performance, extend the life of the blade, and save some bucks by delaying replacement or re-sharpening costs? That sounds like an infomercial. Well, it’s not, but you still should “act now!” as they say. To accomplish those things, make routine blade cleaning part of your maintenance schedule. But how does cleaning your circular saw blade help? Well, if you’ve ever looked closely at a blade that’s done a fair amount of cutting, you’ll see pitch, glues, resins, sawdust, and dirt caked around the teeth. For reasons we’ll discuss in a moment, it’s good to remove this pitch from your blade. Ultimately, you can get a lot of bang for your blade-cleaning buck if you take a few short minutes every so many revolutions. Here’s how to clean a circular saw blade.


How to Clean A Circular Saw Blade

Don’t Be So Dull

Many sawyers might think that their circular saw blades are simply getting dull when the cuts get raggedy, tearout increases, or the blade’s path through the wood is met with increasing resistance. However, the blade sharpness might still be satisfactory but it’s the pitch that’s the culprit. Pitch increases the friction of the blade’s action and friction causes more heat. Heat, in conjunction with normal wear, dulls blades quicker than you can say “kickback pawls.” Well, almost. And the harder your blade works, the harder the motor works. So dispatching pitch will give you better results and save you some money.

How to Clean a Circular Saw Blade

Here’s the Solution

You could scour the internet for quite some time before you exhausted all of the ways tradesmen and woodworkings clean their circular saw blades. Some have sophisticated bathtubs with a bolt through the arbor hole so the blades can soak. Some use caustic products like oven cleaner although such products might degrade the carbide or remove special coatings (keep in mind that improper disposal of some chemicals can get you in some hot water).  But just as many folks simply soak their circular saw blades in Simple Green or a household citrus cleaner for five to ten minutes using a large pan. A few manufacturers make cleaning solutions but non-caustic homemade or general cleaners seem to do the trick.

Brush Your Teeth

After you’ve given your circular saw blade a spa day, use a stiff but gentle (non-metallic) brush to remove the remaining pitch. Then, being careful not to come in contact with the teeth, wipe the blade surface with a towel or rag. There will likely still be moisture around the teeth and in the gullets, so use an air compressor and blow gun to dry the remaining moisture.


Don’t Get Rusty

There’s one final step to ensure you’re extending blade life to the maximum. A metal lubricant resists corrosion and gives your blade many more spins around the ol’ arbor.  In this simple way, you can put the odds of a great result in your favor!

We hope you’ve found How to Clean a Circular Saw Blade helpful! If you’re a Pro and you have a circular saw blade cleaning tips, add them in the comments below!


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