Is My Diamond Blade Dull
Is My Diamond Blade Dull? I bought a used wet saw so that was one of my first questions. So how do you tell if a diamond blade is dull? I always believed that since the blade uses diamonds for cutting that the diamonds had worn away enough that the blade was worn out and dull. Boy was I wrong.
Is it glazed, dull, or worn out?
Dulling of diamond blades can happen when the blade loads up with material. The material cut from the tiles or rock begins to stick to the blade. The material builds up enough that it becomes the highest point on the blade and the diamonds can no longer reach the surface of the tile or stone that you are trying to cut. When this happens consider the blade glazed.
The second state where the blade is considered dull is when the diamonds have worn down so that very few diamonds are actually cutting and those that are cutting are severely worn down. But there are other diamonds under that layer that if exposed will provide a like-new cut. Consider this blade state to be dull.
Eventually, diamond blades will wear out. The diamonds in the wear layer will wear down and there are no diamonds available under the worn down diamonds to provide cutting action. But in the meantime how do you tell if your blade is glazed, dull or worn out?
How do you tell?
You can tell that the diamond blade is either glazed or getting dull because the rate at which it can cut slows down. In other words, it starts cutting slower and slower. So if that’s the case you want to remove the glaze/sharpen it. If it is glazed or dull the technique is the same for either condition. So how is this accomplished? A dressing stone is made just for removing the glaze and sharpening diamond blades.
Husqvarna Diamond Blade Dressing Stone
Customer Review
If you have a diamond tile blade then this is a must purchase. Our first experience with a wet tile saw had our diamond blade go dull in no time at all. We bought a second more expensive diamond blade and once again it was chipping tile quickly and it was difficult pushing the tile through the blade. Purchased this dressing stone and gave it a try. It renewed the blade as it it were new. We used the dressing stone over and over to keep the blade sharp and the diamond blade worked beautifully for the rest of the project.
Follow the instructions in the above video, make sure to cut the stone in both the directions shown. This dressing stone will help clean the blade of any glaze buildup material. Provided that the blade is not worn out it can also be used to sharpen the blade and get you back to cutting tile in no time.
An alternate method
An alternate method to cutting the dressing stone is to use the dressing stone as if you are grinding metal at a grinder. By rubbing the stone on both sides of the diamond area of the spinning blade you should be able to get a lot more life from your dressing stone. But always exercise caution when working near a spinning cutting blade. Watch the following video to see how it’s done.
An inexpensive alternative material
Conclusion
(Hustvedt [CC BY-SA 3.0 (https://creativecommons.org/licenses/by-sa/3.0)])
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