This should END the saw blade height debate

Published: 10 months ago

Views: 242.6K / Comments: 503 / Like: 9.6K

By: "Stumpy Nubs " Youtube Channel

Subscribers: 874K Total Views: 151.9M

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Summary:

The video is about the proper height for a table saw blade. There are two main schools of thought on blade height: Some people say the distance between the top of the board and the top of the blade teeth should be equal to how deeply you're willing to be cut. Others point out that the lower a blade is set, the more the teeth will push the wood back toward you as opposed to the teeth of a fully raised blade, which are pushing almost directly Upward at the back and downward at the front. In reality, the most common and dangerous type of Kickback occurs when the back teeth of the blade lift the workpiece up and pull it and possibly your hand on top of the blade itself. So, how does blade height affect cut quality? The lower the blade is set, the more of the teeth are in the curf at any given time and the lower the angle at which those teeth contact the board, creating a less aggressive cut that requires a slower feed rate. Raising the blade reduces the number of teeth inside the curve during the cut, and those teeth now strike the wood at a more aggressive downward angle, which may cut some materials faster and reduce heat buildup and scorching. But that more aggressive cut can also leave more blade marks behind, and since the teeth exit the wood at nearly a straight downward motion, you may end up with more tear out on the underside of the workpiece. In most situations, the optimal blade height is when the teeth fully clear the top of the board so the bottom of the gullet is exposed. This is the height many blade manufacturers expect you to set your blade to. However, you should not be afraid to raise or lower your blade if the situation calls for it. Here are some real-world examples of how you can adjust your blade height: If you're getting scorch marks, try raising the blade a bit higher. If you're getting chip out on the underside of the board, you might improve things by lowering the blade a bit. If you're cutting thin materials, a higher blade may help hold the work piece down on top of the saw during the cut and make it much safer. If you're cutting acrylic, you may want a lower blade height to reduce chipping. If you want the saw to cut more quickly, especially when ripping, try raising the blade all the way up. Remember, there is no single blade height rule. The best way to determine the right blade height is to understand how the saw blade's teeth affect your work and make adjustments based on the specific material you're cutting.