Cutting Hazards and Precautions
Another part of the welder's job involves cutting operations such as oxyacetylene cutting and plasma arc cutting. Observe these safety precautions when performing any cutting operation:
Safe Welding and Cutting - ESAB
- Never place hands or fingers between the metal plate and the bed.
- Never place hands under the hold-downs or knife.
- Ensure all personnel is clear from the piece being cut.
- Support the plate to avoid injuries to workers if the cut end of the metal falls away.
- When using oxyacetylene cutting equipment, ensure that the work area is gas-free. This is particularly important when working in bilges and other spaces where dangerous vapors may collect.
- Always post a fire watch to protect the surrounding areas and personnel. The high-pressure oxygen stream used in cutting with an oxyacetylene torch can throw molten metal for a distance of 50 to 60 feet.
- When using oxyacetylene cutting equipment, remove and tag out any interfering systems, if necessary.
- Install all covers, insulators, and handles before attempting to operate the plasma arc cutting equipment.
- When using plasma arc cutting equipment, open all primary disconnect switches before charging any electrical connections.
Knowledge Check Choose the best answer for the question.
2-5. The high-pressure oxygen stream used in cutting with an oxyacetylene torch can throw molten metal for a distance of _____.
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