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.
why does a circular saw kickback Related Question:
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.
What causes miter kickback?
Sometimes when things go wrong the miter saw can throw the workpiece in random directions. This phenomenon is called a kickback. In simple words, a miter saw kickback is when the blade can’t cut the piece and it recoils the piece. It can be extremely dangerous as the blade turns at an insanely faster speed.
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.
How do you stop a kickback with a circular saw?
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.
Why does a circular saw bind up?
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.
What is the space between two protruding teeth on a saw blade called?
Gullet (handsaw) The space between a saw’s teeth, where the saw dust is carried out. It is an equilateral triangle, just like the file that shapes the teeth.
Why is my circular saw not cutting through?
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.
Why does my circular saw keep 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.
What does it mean to bind a blade?
English term or phrase: blade binding. Selected answer: blade getting stuck in the work material.
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 can I use instead of a circular saw?
Jigsaw. A jigsaw is a great alternative to a circular saw as it can perform many of the same cuts. However, they can wonder and not give a perfectly straight cut unless they are supported by a guide along an edge. A sander or hand planer can also be used to finish off a jigsaw cut.
What is the closest you should put your fingers to the blade while it is running?
Do not put your fingers closer than two inches from the blade. 3. Do not place your hands directly in line with the blade while cutting stock. 4.
How tight should a circular saw blade be?
In general, the blades on right-handed circular saws turn counterclockwise, so you’d tighten the bolt clockwise; the blades on left-handed circular saws turn clockwise, so you’d tighten the bolt counterclockwise.
Do you lubricate a hand saw?
The handle of the saw needs frequent lubrication, especially if it is made of wood. You can do this with a little boiled linseed oil to prevent moisture and dirt from accumulating. In addition, if the parts connected to the blade show signs of rust, be sure to remove the handle and clean the groove.
