Got a pretty good launch on that, but was standing to the side in preparation. I’ve only had one of those while using a small amount of exposed blade to shave a chunk of PVC. The other cause is the work going crooked or internal stresses pinching the blade so a lot of the exposed blade is suddenly buried in the work. If you let a little cut-off sit there you can watch as it vibrates for a while before suddenly catching and rocketing out.

The usual kickback cause is a piece of material caught between the fence and the blade. If the user is paying attention, the push stick prevents that amplification. If it stops there then the action isn’t amplified into a runaway. But that unexpected chunk is just a little more. Kick back is a multi-step process which starts with the blade getting an unexpectedly larger chunk than the last chunk it took. Posted in Tool Hacks Tagged Amputation, blade, kickback, riving knife, safety, sawstop, table saw Post navigation Even if you’re building your own table saw, you owe it to yourself. It only takes a few milliseconds to suffer a life-altering injury, so be safe out there. hit all those points with his DIY knife, and the result is extra safety with no inconvenience. The essential features of a proper riving knife are being the same width as the blade, wrapping closely around it, raising and lowering with the blade, and not extending past the top of the blade. Riving knives mitigate such catastrophes by preventing the stock from touching the blade as it rotates up out of the table. Contractor table saws like ’s little Makita are often stripped of such niceties, so he set about adding one. At the worst, it will suck your hand into the spinning blade and send your fingers flying, or perhaps embed a piece of wood in your chest or forehead.

But if your table saw doesn’t come with one, fret not - with a little wherewithal you can add a riving knife to almost any table saw.įor those who have never experienced kickback on a table saw, we can assure you that at a minimum it will set your heart pounding. What in the world is a riving knife? Just the one thing that might save you from a very bad day in the shop.

Riving knife for dewalt table saw