Introduction: How to Clean a Table Saw Blade
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Just like everything else that gets used, table saw blades get dirty. Whether it's sap or burnt on sawdust, a dirty blade results in a poor quality cut and a really dirty blade can actually be dangerous to use.
These steps demonstrate quick and simple tips to clean table saw and circular saw blades.
A sharp and clean blade is much safer for the tool and operator. In most cases when a blade starts to seem dull all it needs is a good cleaning and it's like new again. Of course you still want to make sure you're using a sharp blade so you don't damage your tool or yourself.
The process to clean a table saw blade is fairly simple and you probably already have everything you need.
Things you need include:
- Laundry detergent
- Plastic or soft wire bristle brush (brass works best) - https://amzn.to/2H0dfv7
- Aluminum pan - https://amzn.to/2H083v1
Also here's a link to the video that's posted above. It will open it in a new tab and you can follow along on how I made this project.
Step 1: Remove the Blade and Submerge
First things first, make sure you unplug your saw before removing your blade!
With your blade removed, place it in an aluminum pan and completely submerge it in water. Next you can add some laundry detergent. I used a 12"x18" pan and about a cup of laundry detergent.
Note: if your blade is really dirty, it's a good idea to remove the bulk of the dirt with a stiff wire brush before placing it in the pan with water
Step 2: Stir and Wait
This next step is exactly as the title implies. Stir the detergent in the water and wait 5-10 minutes for it start working.
A good safety tip for stirring the liquids is to place your finger in the center hole of the blade and move it in a circular motion. You can also use the brush to help in this step. Remember the teeth can still cut you so its a good idea to keep your fingers away from them. An even better idea is to stir the liquids before you put the blade in the pan.
Step 3: Scrub-a-dub-dub
Time to remove all that dirt. Using a plastic or soft wire bristle brush, you can start scrubbing the dirt off. I found a brass brush was the most affective for this.
Step 4: Dry Your Blade
After removing the unwanted dirt, it's very important to fully dry your blade. Water and steel aren't the best of friends and you don't want your blade to develop rust.
Step 5: Return Your Blade to Your Saw
Next, simply reinstall your blade, insert, and plug your saw back into your power supply.
Most importantly, enjoy cleaner and smoother cuts!
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I don't understand your question. What do you mean?
After taking everything off the surface of the steel blade it would seem appropriate to put something on it to prevent rust.? For other tools I have sprayed WD-40 on a rag, wiped down the tool then used a clean rag to remove excess resedue. It seems like this would be a good idea for a saw blade but I don't know if anything left on the blade would cause issues on the first cut after treatment.?
The best thing to use on any of your tools is a couple of coats of paste wax. Brand doesn't matter Johnsons, TreWax, Bruce, Minwax, whatever. Work it in and let it sit and harden up for ten minutes or so and lightly buff it by hand. Paste Wax seals the steel preventing rust and dust and dirt are less likely to stick. Coating your cast iron, steel or composite table saw top makes work pieces and the miter gauge glide across the top. Paste wax is not recommended for aluminum.