To be safer, you should use a grinder that the ON button has to be held down in order for the grinder to work, rather than a SWITCH that stays ON or OFF. This way, you can clamp the button as well for example, so in case the grinder falls, or perhaps even moves, it shuts OFF.

What safety precautions do you need to take when working with grinders?

never use a grinder between your legs while sitting on the floor. stop at regular intervals for a short break to rest your hands and arms. never put a grinder down until the disc stops rotating. remove the plug from the power point before changing discs.

What can you not do with an angle grinder?





Angle Grinder Use



Angle grinders generate sparks. When required obtain a hot work permit before use. Keep work area clear of debris and flammable materials. Do NOT use in areas where there is grain dust or other combustible dust accumulation.

Can you use a grinder without a handle?

grinder. Don’t use the grinder without a side handle. Use both hands. Neveroperate a grinder in a one-handed manner; should the wheel jam, it would be almost impossible to maintain control of the grinder, even if it were equipped with a slip clutch.

Is it safe to use angle grinder without the shield?

Personal protective gear, such as safety glasses and a face shield, and other PPE are often required as well. OSHA regulations require the use of guarding on angle grinders.

What are two safety precautions you should avoid when using portable grinders?

What should you avoid when using portable grinders?

  • Do not use grinders near flammable materials.
  • Do not clamp portable grinders in a vise for grinding hand-held work.
  • Do not use any liquid coolants with portable grinders.
  • Do not force wheels onto a grinder that is the wrong size or change mounting hole sizes.

What causes grinder kickback?





Kickbacks. Kickback happens when the angle grinder suddenly thrusts back towards the operator as a result of it grabbing or jamming on the materials being worked on. They are common and kick back injuries have included severe cuts and injuries to hands, arms, legs, and the groin region, as well as facial injuries.

How do you secure an angle grinder?

Youtube quote:I can use the edge. But this is a little too thin. So if I wanted to grind out a root pass or remove a weld.

Can a grinding wheel explode?

An under-rated, worn, damaged, or clogged grinding wheel can fracture and explode – releasing tremendous amounts of energy in the form of high-hardness shrapnel. This is a severe hazard and often results in operator fatality.

How do you stop an angle grinder kickback?

Youtube quote:Number three do not attach a saw chain or wood carving or toothed saw blade such blades frequently create kickback and loss of control. Number four never place your hand near the rotating accessory.

Where should I put my angle grinder guard?



Youtube quote:The outer lip of the grinding guard should curl toward the wheel to better retain sparks hot metal particles and possible broken wheel fragments.

Are angle grinders safe?

Angle grinders can cut through stone, concrete, metal and other hard materials, so they have no trouble cutting through human flesh and bones. Contact with the wheel while in operation can have serious consequences, with deep cuts and even amputations.

What grips the grinding wheel?

In reality, the wheels on a car are similar to the flanges on a grinder because they both transmit rotation from a shaft to another component. On a car, the wheels link the drive axles to the tires, while on a grinder, the flanges link the arbor to the grinding wheel.

When should I stop using a grinding wheel?



If you do not know, a good “rule of thumb” is to discard the wheel when you are 1” away from the recess. Portable cup wheels must be discarded when the machine’s guard prevents proper grinding. In this case a proper guard will determine discard size by preventing additional grinding on the wheel’s rim.

Which guard helps contain debris thrown from the wheel?

The eye shield is an optional protector for the worker who should be wearing eye protection. The adjustable tongue guard helps suppress flying debris and sparks. It should be no more than one-quarter inch from the wheel.

What is the maximum gap between a bench grinder grinding wheel and tool rest?

1/6 inch

The grinder tool rest gap is not larger than 1/6 inch. No chips, cracks or breaks are present.

What is the safe distance between the grinding wheel and wheel rest?



Ensure all the guards are in place and secure before using a grinder. Adjust tool rests to within 3 mm (1/8 in.) of wheels. Never adjust rests while wheels are moving.

How much of a gap should there should be between the top guard and the wheel on a bench grinder?

Because grinders run at such high RPM, wheels actually explode when they break, causing very serious injuries, blindness and even death. In addition, the distance between the grinding wheel and the adjustable tongue-guard — also known as a “spark arrestor” — must never exceed 1/4-inch.

When you need to put a new wheel on your grinder What should you do with the wheel first?

6. When you need to put a new wheel on your grinder, what should you do with the wheel first? Nothing. If it’s a new wheel, straight out of its packaging, just put it right on the grinder.

Should you wear gloves when using an angle grinder?

Best gloves would be ones that give solid control over grinder and trigger. With machine tools, gloves aren’t necessarily the most correct answer. Sometimes you have more risk of the machine snagging the glove and pulling your hand into the maw, than you do from not wearing hand armor.

Is grinding steel harmful?



SPRINGFIELD, Mo. – A storage tank manufacturer exposed workers to hazardous levels of hexavalent chromium and potentially deafening noise as they welded and grinded stainless steel and other alloy steels. At high levels, hexavalent chromium can cause lung cancer and respiratory, eye and skin damage.