Safety Flash
Grinding stone incident
Grinding stone incident
- IMCA
- Safety Flash
- IMCA SF 07/01
- Hot Work and FireMachinery and Equipment
- Line of fireMechanical failure
- Grinding equipment
- Machine guarding
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Summary
A cup grinding stone burst while a pipe welder used a pneumatic grinder to bevel a pipe end, striking his shoulder. Investigation identified an unsuitable guard and incorrectly sized flange. The flash lists common abrasive-wheel mounting errors involving flanges, washers, tightening, cleanliness, arbour fit and blotters.
Classifications: Line of fire; struck-by hazards.
Classifications: Mechanical failure; equipment failure.
Classifications: Grinding equipment; angle grinder; grinding wheel.
Classifications: Machine guarding; machinery guards; machine guards.
Summary
An abrasive cup stone shattered during grinding because unsuitable guards and flanges were used.
IMCA SF 07/01. Themes: hot work and fire, machinery and equipment.