BLR’s Safety Training Presentations. Abrasive Grinding Wheels 29 CFR 1910.215, 29 CFR 1910.243. Goals. Types of grinders, OSHA standards, hazards PPE, inspections, safe work practices Quiz. Types of Grinders. Bench or pedestal grinders Portable grinders
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Abrasive Grinding Wheels29 CFR 1910.215, 29 CFR 1910.243
1. What are the four primary hazards associated with grinders?
2. Name one of the items that frequently violates OSHA standards.
3. When is it safe to wear gloves when using a grinder?
4. How close must the tongue guard be to the wheel?
5. How close must the work rest be to the wheel?
6. What should you do before performing any maintenance on a grinder?
7. The wheel’s rated speed must be greater than the spindle’s max speed. True or False
8. Describe how to do the “ring test.”
9. How should you test the wheel before using the grinder?
10. What should flanges be inspected for?
1. Eyes hit by particles, hands touching grinder, breathing dust, noise
2. Work rest not adjusted right, wheel exposure not adjusted right
3. Only when hands are positioned far away from grinding wheel
4. Within 1/4”
5. Within 1/8”
6. Disconnect the power source
8. Tap clean wheel with nonmetallic tool, listen for “ping” sound
9. Stand to the side and turn the wheel on
10. Warping of the bearing surface