All grinding machines shall be supplied with sufficient power to maintain the spindle speed at safe levels under all conditions of normal operation. Guarding. Grinding machines shall be equipped with safety guards in conformance with the requirements of American National Standards Institute, B7.
Do abrasive wheels on grinders need to be covered and guarded Why?
Abrasive wheel machinery, such as bench grinders, must be guarded and maintained to protect employees. Abrasive wheels must be used only on machines provided with safety guards. The safety guard must cover the spindle end, nut and flange projections.
Is it safe to use the grinder without a safety guard?
Cut-off wheels and grinding wheels do break, and they do so spectacularly, sending shrapnel flying off in all directions. Even with safety glasses or goggles, and a face shield, and body protection when appropriate, I won’t use an angle grinder without its wheel guard properly attached.
Does a wire wheel need a guard?
Answer: Although, there is no requirement for a “rest” for a wire wheel brush (according to MIOSHA standard Part 1A Abrasive Wheels), there is a guarding rule for wire wheels in MIOSHA standard Part # 11 Polishing, Buffing and Abrading.
What are the 2 types of primary safeguarding methods?
Two primary methods are used to safeguard machines: guards and some types of safeguarding devices. Guards provide physical barriers that prevent access to danger areas.
What is the best method for inspecting abrasive wheels for cracks?
What is the best method for inspecting abrasive wheels for cracks? When in doubt, throw it out. Before mounting, inspect closely for damage and perform a sound or ring-test to ensure that the wheel is free from cracks/defects.
Is abrasive wheels training a legal requirement?
Abrasive Wheels training is a legal requirement for anyone operating this equipment in the workplace. Abrasive Wheels are extremely dangerous and the only way to reduce risk is through theoretical and practical training in operating the machinery.
Where should the guard be on an angle grinder?
Position the blade guard at the back towards your body. Use a smooth back and forth motion to guide the flap disc over the material. Let the wheel do the work, but feel free to apply enough pressure to ensure you’re being productive.
What should you not do with a grinder?
DON’T use a wheel on grinders rotating at speeds higher than the MAX RPM marked on the wheel or on grinders that do not show a MAX RPM speed. DON’T use excessive pressure when mounting a wheel. Tighten enough only to hold wheel firmly. DON’T alter a wheel hole or force it on a spindle.