How To Set Blade Depth On Table Saw
Wisdom From the Pro to the Apprentice
Ask a group of woodworkers what the optimal table saw blade top is and you lot may soon be longing for the relative civility of a political or religious chat. Opinions abound. Some say the bract should be no more than than an one/8 inch above the cutting surface while others say the blade should rise to the bottom of the gullet (the space between the teeth).
Some say one height prevents more kickbacks and minimizes tearout. Then there'south the mutual refrain that it'due south all about the rake (hook) angle. Yous might notice yourself without an answer—fifty-fifty after y'all've heard from several Pros. It'due south non even the kickoff time we've written nigh it. So what is the right table saw blade height? Hither are some things for you to consider nearly setting the optimal table saw blade pinnacle – the same things we looked at during our jobsite table saw shootout.
The Bending Incident
The angle of incidence is how the bract approaches the wood. A lower bract summit has a lower bending. The force is directed predominantly toward the operator, which can be dangerous in a Blazon one kickback, where the material is shoved back in the direction it came from past the front teeth of the blade. In the case of the more dangerous Blazon 2 kickback—where a piece of already-sawn textile is broken off past the dorsum teeth rising through the plate—the lower angle of incidence propels the shrapnel at a lower point, threatening some sensitive areas.
A higher blade has a higher angle of incidence. Blazon 1 kickbacks are less likely considering the front end teeth plunge more than downwards into the material with a force toward the table's surface. All the same, the higher angle means that Blazon ii kickbacks are more dangerous as shrapnel can be propelled at a higher part of the user (throat, confront, head, eyes…you get the moving picture) past the dorsum teeth rising from the plate.
Information technology's Getting Hot In Hither
A low blade acme means that more teeth will be in contact with the wood, and that results in more than rut generated during the cutting. This also means a slower feed through the saw due to less-efficient material removal. For hardwood, this has the potential to burn the edge of your work piece. The contrary is true for a higher blade height—there'south a cooler, faster cut considering fewer teeth are in contact with the material. It's easy to meet why there are so many opinions about setting the optimal tabular array saw blade summit.
Setting The Optimal Table Saw Blade Meridian on a Tear
On a table saw, tearout or chipping occurs on the face-downwardly side of the fabric as the kerf exits through the unsupported fibers on the surface. This can exist mitigated in several ways, merely all other things being equal, a lower blade results in less tearout while a higher blade results in more. We'll hash out specific ways to avoid tearout in another article. For now, exist sure to read our article nearly choosing the best table saw.
Prophylactic Danger
Some will say that information technology'south simply safer to accept no more blade exposed than necessary. Others argue that a spinning table saw bract is dangerous at just near any height that makes it useful. So what's the verdict?
The discussion will undoubtedly continue. But perhaps the importance of blade peak is superseded by the safety tools used and precautions taken by the table saw user. As one woodworker put information technology, "The right cut is the rubber cut". To minimize dangerous Type ii kickbacks, the splitter on older saws is proficient, but a more mod riving knife is better. It prevents the sawn pieces from crossing the blade's rear teeth and creating a projectile.
Be sure to consider keeping the blade guard in identify as well. A powerful saw and a sharp blade prevent Type ane kickbacks, as exercise featherboards and push-sticks that push as well equally press down. Many blades claim to be for all purposes, but consider a bract designed specifically for the type of material and cut. This means you should exist specific nearly the number of teeth, rake (claw) angle, and so on. Of course, always article of clothing eye protection .
Then what is the optimal tabular array saw blade height? As yous can tell, the answer is a solid "it depends". Hopefully we've give you plenty data to defend why y'all're using the method you prefer. If you're a Pro and have table saw bract height tips to pass on to our apprentice readers, leave them in the comments below—or contact us with your own Pro tips.
Source: https://www.protoolreviews.com/setting-the-optimal-table-saw-blade-height/
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