What are the safety rules for using a circular saw?
Wear safety glasses or goggles, or a face shield (with safety glasses or goggles). Wear an approved respirator or dust mask when exposed to harmful or nuisance dusts. Use appropriate hearing protection equipment in noisy areas. Check the retracting lower blade guard to make certain it works freely.
How do you use a hand saw safely?
Apply pressure on downstroke only.
- Hold stock being cut firmly in place.
- Use a helper, a supporting bench or vise to support long stock if required.
- Keep teeth and blades properly set.
- Protect teeth of saw when not in use.
- Keep saw blades clean.
What are the hazards of a circular saw?
8. Hazards resulting from the use of circular saws
- Projected particles.
- Electric shocks.
- Breakage of the disc.
- Cuts and amputations.
- Blows caused by objects.
- Abrasions and becoming trapped.
- Ambient noise.
What is the prevention taken while working with a circular saw machine?
Wear personal protective equipment, including safety glasses or goggles, faceshields, and hearing protection. Ensure all safety guards are in good working order before starting work. Ensure the saw’s blade is sharp. Sharp blades are safer and work better.
What is the proper safety guard for handheld power tools?
An upper guard must cover the entire blade of the saw. A retract- able lower guard must cover the teeth of the saw, except where it makes contact with the work material. The lower guard must automatically return to the co vering position when the tool is withdrawn from the work material.
What is the greatest hazard posed by hand tools?
misuse and improper maintenance
The greatest hazards posed by hand tools result from misuse and improper maintenance. Some examples include: If a screwdriver is used as a chisel, the tip of the screwdriver may break and fly off, hitting the user or other employees.
Why does my hand saw keep getting stuck?
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.
When using a table saw for example what are the hazards associated with them?
The teeth on the blade can cut off fingers. The rotation can make the workpiece into a hazardous projectile and throw it back at the operator at high speed (“kickback”). It can eject a spray of saw dust particles, fragments from metal embedded in the wood, such as staples, and broken blade parts.
Why is it necessary to hold a portable circular saw firmly with both hands?
Switch Page 5 • WARNING — When starting the tool, hold it with both hands. The torque from the motor may cause the tool to twist. the trigger switch, which is spring loaded and will return to the off position automatically.
Are circular saws safe?
Circular saws have faster blades than table saws, with an outer edge spinning at about 120 mph, and they can cause some serious damage if used incorrectly or recklessly. A study in Australia’s Hazard Magazine found that of all reported saw injuries, circular saws make up the largest group at 30 percent.
Where are the guards located on power tools?
The muzzle end of the tool shall have a protective shield or guard at least 3 1⁄2 inches in diameter, mounted perpendicular to and concentric with the barrel, and designed to confine any flying fragments or particles that might otherwise create a hazard at the time of firing.
What PPE should be worn when using all hand and power tools?
Wear or use personal protective equipment (PPE) or clothing that is appropriate for the work you are doing; this may include items such as safety glasses or goggles, or a face shield (with safety glasses or goggles), hearing protection, dust mask, gloves, safety boots or shoes, or rubber boots.
Why does a hand saw repeatedly jam during use?
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.
Can you cut wet wood with a hand saw?
Avoid Sawing Wet Wood The moisture causes the wood to expand, but as you saw, the wood can contract again, closing around the blade. As well as this, saw teeth have a tendency to chew up the wood if it’s wet, subsequently becoming stuck, rather than slicing through cleanly.
What are the safety tips for using a circular saw?
The following are some of the safety tips you must adhere to while using a circular saw. 1. Put on safety equipment before handling the saw This is one safety tip you must follow before handling any power tool. You need to put on safety equipment before handling any power tool, not just a circular saw. A good hearing protection is necessary.
What is a circular saw used for?
Circular saws have many uses both in the workshop and in the jobsite. They’re very effective for making overhead cuts during building construction such as roofing, for making long rip cuts, crosscuts and a lot more. However, one can sustain serious injury while using a circular saw if one is not careful.
Can a righty hold a circular saw?
However, when a righty holds a right hand circular saw, with the right hand holding the main handle and the left hand holding the auxiliary handle or the circular saw knob, both hands do not cross each other. On the other hand, if a righty holds a left hand circular saw, both hands cross each other which is not ideal.
Why won’t my circular saw cut anything?
When cutting a material with a circular saw, your job is to direct the saw through the cut, not trying to force the saw through the material. If you discover that you’re trying too hard to make the cut or trying to force the saw to cut through the material, then the most obvious reason is that you’re using dull blades.