November 5, 2025

Ensuring Compliance with OSHA 1910.215(b)(4) for Cylindrical Grinders in Film and TV Production

In film and television production, the safety of your crew is paramount, especially when working with machinery like cylindrical grinders. OSHA's 1910.215(b)(4) regulation specifies strict guidelines for the safety guards on these machines. Here's a comprehensive checklist to ensure your production stays compliant and safe.

Understanding OSHA 1910.215(b)(4)

OSHA 1910.215(b)(4) requires that the maximum angular exposure of the grinding wheel periphery and sides for safety guards used on cylindrical grinding machines does not exceed 180°. This exposure must begin at a point not more than 65° above the horizontal plane of the wheel spindle. Compliance with this regulation is essential to prevent accidents and injuries on set.

Checklist for Compliance

  • Inspect the Safety Guard: Ensure that the safety guard on your cylindrical grinder does not allow more than 180° of the wheel's periphery and sides to be exposed. Use a protractor or angle finder to measure this accurately.
  • Check the Angle of Exposure: Verify that the exposure begins at a point no more than 65° above the horizontal plane of the wheel spindle. This can be measured using a level and angle finder.
  • Regular Maintenance: Schedule regular inspections and maintenance of the safety guard to ensure it remains compliant. Any damage or wear that could affect the guard's effectiveness should be addressed immediately.
  • Training and Awareness: Train all relevant crew members on the importance of this OSHA regulation and how to check for compliance. Awareness is key to maintaining safety on set.
  • Documentation: Keep detailed records of all inspections, maintenance, and training related to the cylindrical grinder's safety guard. This documentation is crucial for demonstrating compliance during OSHA inspections.

Real-World Application

On a recent set, I saw firsthand how crucial it is to follow these guidelines. A crew member noticed the safety guard on a cylindrical grinder was slightly misaligned, exposing more than the allowed 180°. We immediately halted operations, adjusted the guard, and resumed work safely. This experience underscores the importance of vigilance and regular checks.

Additional Resources

For further guidance, the OSHA website provides detailed information on machine guarding standards. Additionally, the American National Standards Institute (ANSI) offers resources on safety in the workplace, including specific guidelines for machinery like cylindrical grinders.

More Articles