Why Your Table Saw Is Smoking and How to Fix It?

Is your table saw smoking? Don’t worry, because this article especially answers why your table saw is smoking, and tips on how you can fix it. 

There are many reasons why table saws are smoking. You see smoke in your table saw because there’s friction between your blade and the wood, causing excessive heat and scorching the stock as it passes through the lumber. It can happen due to the dirty blade, misalignment, wrong height, and incorrect speed running through the material are some of the reasons.

Why does excessive heat happen on your blade? There’s a specific answer to that. Plus, tips on how to avoid smoking of your table saw.

Why Is My Table Saw Smoking?

Seeing smoke in your table saw is a sign that something is wrong. It can be dangerous, so you should fix it as fast as you could. Start by determining the exact trouble of the table. As a guide, here are some negligences that may be happening whenever you work.

1. Dull Blade. It lets your blade to move at a slower rate resulting in the wood causing friction and results to heat. More resistance means more prominent scorch marks on your wood.

  • Solution: Try sharpening your blade, or it’s better if you can buy a new one. It should be sharp, clean, and free of the pitch.

2. Dirty Blade. Once a pile of dust builds up on the teeth of the blade, cutting results to a slower speed. Then, it also increases the chance of burns. Maintenance in cleaning your cutlass is essential in keeping the efficiency of your table saw.

  • Solution: Use a clean blade, and remove all debris regularly. Make it a rule, and do a regular schedule for cleaning it. There are commercial blade cleaners mainly sold for saw heating.

3. Bent Blade. It increases your chance of getting a kickback. It means your wood jumps back at you, which may hit other parts of your body, resulting in severe injuries. What’s even worse is the risk of cutting your fingers.

  • Solution: Replace the bent blade immediately. There’s no reason to use it anymore, as it may cause accidents and injuries.

4. Misalignment of Saw Blade and Guide Fence. It results in pushing the wood sideways against the guide as you feed through. It will then create more pressure and friction on the lumber, causing heat. If the blade’s not parallel to the fence, you’ll get kickbacks, or your wood will burn. So, accuracy in measuring distances is a must.

  • Solution: Always measure the distance between the blade and the fence at both the front and back of it. Make sure that they are all the same. 

5. Incorrect Feed Speed. The speed of your blade depends on your material. For example, woods like cherry or soft maple are prone to burning. It’s correct that slow speed cuts result in smoother cuts, but they may also burn faster with subtle lumber.

  • Solution: You have to be careful in finding the right speed – not too fast nor too slow. Experience teaches the optimal speed for various types of wood with different thicknesses.

6. Blade Height. The height of the blade also affects the angle of the teeth, which hit the wood. Too low can make your blade work too hard, resulting in more friction. 

  • Solution: Adjust the blade height depending on your material. Generally, you should have at least two to four teeth cutting through your lumber at all times.

How to Fix a Smoking Table Saw?

Aside from the solutions mentioned above, you have to identify the root cause of your problem. Failure to identify the issue means not being able to resolve the problem correctly.

So, there’s a considerable chance that smoking will happen again. Try each of the following reasons mentioned, and do the right solution.

Most importantly, turn off your table saw once you smell burning, hear an unusual noise, see smoking or sparking. Step back and shut off the power supply.

Why Is My Table Saw Burning Wood?

Your table saw is burning wood because of too much heat from fiction. If it happens, you can still use your burned wood by scratching the scorched part. Once you see smoke on your Table Saw, immediately turn off the machine and pull the plug from the socket.

Why Did My Table Saw Stop Working?

It may be because of failed power supply, motor overload, broken power cord, broken on/off switch, or failed drive motor. If the issue is about the table saw’s motor, it’s best to replace and buy a new one. A defective motor won’t allow you to cut through your wood or can cause other accidents.

What Should be the Style of the Blade to Avoid Smoking?

Having an excellent blade is a foremost priority to avoid smoking on your table saw. How would you pick the best style for your table saw?

A 40t General Purpose or 50t Combination Blade are your best options. Both of these are what most table saws use. They may have limitations, but the quality and versatility are unbeatable.

Most General Purpose Blade has a range of 40 to 50 teeth with alternating top bevel grind and face angle with deep gullets. On the other hand, Combination Blade has 50 teeth arranged in groups of 5 teeth. It also has deep gullets in between each group.

Why Choose it a 40t General Purpose or 50t Combination Blade?

Either General Purpose or Combination Blade can do it all. It can perform clean cross-cuts and Rip cuts on most hardwoods. Nevertheless, you can use one blade for a lot of woodworking requirements. Most of all, it has excellent quality and can run for an extended period, while preventing burns for as long as you maintain it properly.

Is it Expensive to Buy a Blade for my Table Saw?

“You get what you pay for.”

It is a timeless quote, and still applicable to almost anything that you buy. If you can find a blade with precision and longevity of use at a price that you’re willing to pay, it’s what you can call “getting the best bang for your buck.”

Sound quality may be quite expensive, but it doesn’t mean that you have to spend your entire savings to buy one good quality. However, most pricier blades are more durable, sharper, and usable for an extended period.

Always put this in your head: whenever shopping for a new table saw blade, it’s better to spend more on one purchase than buying several times because of poor quality. It is less costly, less hassle, and will save you more time.


What are the Primary Safety Measures Whenever a Table Saw Starts Smoking?

Never touch the blade. When you have to feed through a wood, always use a pusher instead of pushing it with your hand. Then, once it starts smoking unplug it immediately from the power source. Stay away from the table saw until the power is completely shut off.

How to Align the Saw Blade and Guide Fence Properly?

Measure the distance between the blade and the fence, and make sure that they are all equal at all sides and angles. You can use rulers to measure it accurately. Also, check the manual for the exact blade alignment for your table saw.

How to Clean a Table Saw Blade?

Cleaning a table saw blade is easy as 1-2-3. You have to unplug it from the table, uninstall it, and carefully clean the blade at all sides. Use blade cleaners for deep cleaning.

Final Words

Technically, a table saw produces smoke because of friction resulting in extreme heat. If there’s extreme heat, smoke follows, then the fire starts to trigger. It is a dangerous situation that may cost not only the quality of your wood but also your life. So, make sure that you are cleaning and maintaining your blade correctly.

It’s better if you could also do regular check-up for the table saw’s motor. There are moments wherein the cause of smoking is because of a defective machine. If it happens, the replacement of the engine is your best solution.

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