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.
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.
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.
what causes circular saw kickback Related Question:
Why does my circular saw 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.
What are the major causes of kickback?
The two main causes of injury from kickback is trauma from the wood striking the head, chest, or torso of the woodworker, or the wood moving so quickly that an operator doesn’t have time to take their hand off of it and it gets pulled across the saw blade.
How do you keep a circular saw from binding?
Avoid circular saw blade binding But cutting a long board in half is different. You can hold one end, but the other must be free to drop or the blade will bind. The trick is to allow the cutoff end to drop slightly, but not so much that it completely snaps off before the cut is complete.
Can a circular saw blade break?
Making sure your saw blade is working properly is the best way to reduce downtime and increase production. There are many common causes that can cause blade failure from blade selection to cutting speeds, feed rates and improper break-in, to maintenance problems and more.
What is Tool kickback?
One of the most popular power tools for home projects, circular saws, like chainsaws, are subject to kickback, which can cause serious harm. Kickback often happens when the moving blade gets pinched in the lumber, causing the saw (or the wood) to jerk back toward the user’s body.
What causes a saw to bind?
A circular saw binds because of failure to ensure proper blade depth; setting the blade too deep presents a danger because more blade surface is exposed while cutting than a properly set blade. When the saw is too deep, kickback and binding will be inevitable.
Why does my hand saw bind?
If the saw is being pushed through the material quickly or forcefully, and binding occurs, this can cause the blade to bend, as pressure is being applied by the user from behind, and the blade has nowhere to go.
Why does my saw get stuck?
The wood you are sawing is closing the kerf and pinching the blade, Your cut isn’t straight, The set of the saw teeth is not large enough, so the kerf created by the blade isn’t wide enough to allow the saw room to pass without undue friction, or. Your saw teeth are too fine for the wood you’re sawing.
Do Anti kickback pawls work?
The farther back from the rear of the blade, the less effective it is. Anti-kickback pawls should be the backup to the preceding two options – if you can’t, or don’t (despite your best efforts) prevent the kickback, the pawls will at least retard the return of the stock in your direction.
Why are circular saws so loud?
A circular saw makes more noise because of the type of motor it uses. The circular saw has a universal motor in it, and this type of motor is extremely noisy. Universal motors are called “universal” because they are happy to run either off of AC or DC electric power. Circular saws use brush-type universal motors.
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.
Can a circular saw overheat?
Overheated Circular Saw Overheating of saw blades also cause them to stop. Fiercely using unsharpened blades for cutting require more pressure which cause more friction effects. These effects results in overheating of blades. Due to overheating the thermal switch stops the blade as a safety operation.
Why is a hacksaw blade harder than a wood saw blade?
Due to the different materials that these handheld saws are designed to cut, their blades also differ in thickness. The blade utilized by a hacksaw to cut metal materials and plastic is the thinner blade. The blade used to cut wood on a handsaw is thicker than the blades used on a hacksaw.
Why are kickbacks unethical?
Kickbacks come in many shapes and sizes. They come as gifts, money, credit, or anything of value. This is a corrupt practice because it interferes with a person’s ability to make unbiased decisions.
Are kickbacks embezzlement?
After coming into the government, he started taking 10% of all major contract investments before he would approve the contract. However, kickbacks differ from other forms of corruption, such as diversion of assets, as in embezzlement, because of the collusion between two parties. Kickback schemes can be pervasive.
