Kickback happens when the saw blade binds or stalls suddenly in the wood and the saw gets driven back toward you. So the key to preventing this is to make sure your blade doesn’t bind in the wood. … Make sure you’re using sharp blades and never force the saw through the cut.
What does it mean when a saw kicks back?
Kickback is the term for wood that suddenly and without warning is propelled back towards the operator at a high rate of speed. … As it drifts away from the fence, the wood gets caught on the backside of the saw and is quickly jerked in the direction the blade is turning (towards you).
What causes kickback?
Kickback is a situation when wood gets picked up by the blade and violently thrown at you, which happens way faster than you can react. This usually occurs when the workpiece pinches the blade or gets stuck between the blade and the rip fence. … As the blade spins, it can throw the workpiece back at you.
How can you tell if a circular saw is bad?
Look for worn-down, chipped, broken and missing teeth or chipped carbide tips that indicate it’s time to replace a circular saw blade. Check the wear line of carbide edges using a bright light and magnifying glass to determine if it’s beginning to dull.
How long do circular saw blades last?
They can last between 12 and 120 hours of continuous use, depending on the quality of the blade and material they’re used to cut.
Why do circular saws cut up instead of down?
The teeth of circular saw blades are intended to cut upwards into the material from below and this is for safety purposes. It is important that you should not spin them in a different direction just like you spin a table saw blade.
What can you do to avoid splintering along a cut with a circular saw?
To eliminate the splintering, first apply a strip of 2-inch-wide masking tape across the door. Clamp a framing square or other metal straightedge along the cut line. Then, slice through the tape and into the door using a utility knife. You should make several firm passes.