Overheating a saw blade can cause it to warp and result in a kickback. Buildup of sap on the blades, insufficient set, dullness and unguided cuts, can all cause an overheated blade and kickback. Never set a blade deeper than is required to cut the work piece 1/8 in. to 1/4 in.
HOW TO PROPERLY USE A CIRCULAR SAW AND PREVENT KICK BACK. Among professional tradesmen, on the farm, around the house and in the vocational shop, the circular saw is probably the most commonly used power saw, and perhaps the most commonly abused. PREVENTING PORTABLE CIRCULAR SAW KICKBACK. Kickback is a sudden reaction to a pinched blade, causing an uncontrolled portable tool to lift up and out of the work piece toward the operator. Above information taken from THE TOOL GURU: How to properly use a Circular Saw and prevent kick back.
Overusing a saw results in the overheating of saw blades. Overheating might be the result of using a dull or edgeless blade, extensive rubbing of the saw on the board, using the saw so abruptly or so slowly and improperly adjusted saw. The circular saw consists of two handles i.e., front and back.
I thought it would be good to put together an article on handling circular saw kickback and throw in some additional safety tips that will make your experience better with these valuable tools. Kickback happens when the saw blade binds or stalls suddenly in the wood and the saw gets driven back toward you. In the comments field, feel free to share any close calls or other tips you might have regarding kickback or circular saw safety.
One of the most common causes of kickback occurs when the saw has not reached its full speed yet and you work the piece against it. Another major cause of kickback is not having a firm hold and control over your circular saw. It’s always a good idea to have one finger on the saw trigger at all times when using the saw, then if kickback is likely or happens you can release your finger and the saw will stop.
A kickback happens when you saw a piece of wood and suddenly the blade binds or the board that you are cutting bows downward, this will pinch the blade, the blade will suddenly stop and the circular saw will be left off and come back in your direction. Kickback happens when the saw blade binds or stalls suddenly in the wood and the saw gets driven back toward you. The saw is more likely to bind and kick back if the blade is too deep.
why is my circular saw kicking back Related Question:
Why does my circular saw keep kicking back?
What is kickback? 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.
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.
What can you do to avoid splintering along a cut with a circular saw?
The best option to minimize splintering is to use what is called a zero-clearance insert. Every table saw has a throat plate that sits around the saw blade and it’s main purpose is to support wood, so small pieces of wood don’t go into the hole around the blade.
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 is my circular saw stopping mid cut?
The circular saw stops in the middle of work when the blades of the saw are dull or damaged and are not functioning correctly. Moreover, it can also stop working when the motor of saw is not working properly. However, there could be some other reasons like cable issues, voltage issues etc.
Why does my circular saw burn the wood?
A dull blade will make it hard to cut quickly, and the slower the feed rate of the saw, the more friction against the wood and the greater the likelihood of scorch marks. Pushing the stock through the saw too slowly is a common cause of saw blade burn. Sometimes a blade that feels dull might only be dirty.
How do you prevent tearing when cutting wood?
Another thing you can do to prevent tearout involves our old friend blue tape. Just run a strip of blue masking tape along the cut line on the side that you anticipate tear out. The tape helps to hold the fibers in place during the cut, and usually the result is a clean crisp line.
Is it worth sharpening circular saw blades?
When your circular saw blade becomes dull, not only will it give you a rougher finish, but your saw’s motor will have to work harder and may burn out sooner. Sharpening your saw blades will save you money in the long run because you’ll get better cuts, and you’ll have to replace your saw and blades less often.
What do you do with old saw blades?
The best thing to do would be to recycle them at a scrapyard near you. Donate them to a school that has wood shops, art departments, or theater programs. Make interesting pieces of jewelry such as earrings out of circular saw blades. You can use a jigsaw to cut and shape them the way you want.
Are Diablo blades worth it?
Diablo blades are available in a wide selection of sizes and styles and are easy to find online and locally at Home Depot. The consensus is that Diablo saw blades balance great quality with excellent value, and are a good choice when replacing or upgrading the OEM blades that are often bundled with new saws.
Why does my circular saw blade wobble?
The most common cause of wobble like this is that the bearings or bushings are worn out. These are the things that hold the main shaft in place. They should be a close fit to the shaft, and the shaft rotates within them. When they are worn out, there is too much room and the shaft flops around or wobbles.
What causes blade wobble?
The most common causes for the wobbling is an unflat saw blade or a bent arbor. Compressed debris, sawdust, or dirt can cause the blade to tilt between the washers and cause exaggeration of the blade while running. Loose arbor nuts may also cause the table saw to wobble at high speed.
What causes blade wobble on miter saw?
Another common cause of a wobbly saw blade is a damaged bushing. To inspect it, remove the outer flange and blade, the bushing is the inner flange that secures the saw blade. If your bushing is cracked, chipped, warped, or otherwise damaged, you will need to replace it.
Why is my circular saw struggling?
Most of the time, a circular saw keeps stopping because the blade gets stuck in the wood or material. This is due to the blade not being powerful enough to get through the material. It could also be because the blade is damaged or the motor is malfunctioning.
What does a brake do on a circular saw?
Electric Brakes – An electric brake stops the motor in about two seconds after releasing the trigger, while a saw without an electric brake will take about 10 to 15 seconds to stop. The electric brake works by reversing the flow of electricity to the saw motor.
