Abrasive Cutting Wheel Safety

So with that in mind be sure to.

Abrasive cutting wheel safety.

The safety code for grinding and cutting wheels is ansi b7 1 safety requirements for the use care and protection of abrasive wheels the code is very specific defining the proper grinding surfaces for each type of wheel and figure 2 shows that the only acceptable grinding surface on a cutting wheel is on the periphery not the sides. It is not necessary to use paper blotters with abrasive cutting wheels. Always switch the machine off and allow the wheel to stop revolving. Inspecting the wheel and wheel guard is a good first step to take when it comes to safety precautions.

Apply excessive pressure onto the wheel so that the driving motor slows down. However accidents have occurred because of misuse and abuse of these wheels. Be sure to check with ansi b7 1 safety requirements before using your allison abrasives grinding or cut off wheels. Grind with a depressed centre grinding wheel at an angle below 30 to the workpiece.

Grinding machines shall be equipped with safety guards in conformance with the requirements of american national standards institute b7 1 1970 safety code for the use care and protection of abrasive wheels and paragraph d of this section. Portable cut off wheels are among the most common bonded abrasive products in use. It is important that all machine guards are secured in place and are adjusted so that the guard is between the user and the rotating wheels. The above safety tips are not all inclusive.

Remember there s more to an abrasive wheel than the wheel itself. The maximum angular exposure of the grinding wheel periphery and sides for safety guards used on cutting off machines and on surface grinding machines which employ the wheel periphery shall not exceed 150 deg. Member companies of the unified abrasives manufacturers association uama have adopted a standardized set of safety icons to be used on portable abrasive grinding and cutting wheels. The purpose is to have a standard set of icon based safety symbols to be used across north america regardless of manufacturer.

Grind on the side of cutting off wheels. There are a lot of small parts that make up the wheel. This exposure shall begin at a point not less than 15 deg. Allow the wheel to be trapped or pinched in the cut.

The general safety precautions for abrasive wheels apply equally to all wheels used on all classes of portable machine. Below the horizontal plane of the wheel spindle. They may be used between the wheel and the machine flanges for dry cutting applications. See figures o 12 and o 13.