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Machine guarding is an essential aspect of ensuring a safe and healthy workplace, especially in industries that employ heavy machinery. According to the Occupational Safety and Health Administration (OSHA), lack of appropriate machine guarding is one of the most commonly cited safety violations, leading to workplace accidents and injuries. This article aims to shed light on the specific requirements for machine guarding as stipulated by OSHA, with the goal of enhancing understanding and compliance.

pvc coated wire mesh guardingThe Importance of Machine Guarding

Machine guarding is a preventative measure designed to protect workers from hazards created by points of operation, nip points, rotating parts, flying chips, and sparks. These hazards can potentially lead to serious injuries such as amputations, burns, blindness, or even death. Therefore, OSHA has set specific requirements and standards for machine guarding to prevent such incidents.

OSHA Requirements for Machine Guarding

OSHA’s general requirements for machine guarding are outlined in Title 29 of the Code of Federal Regulations (CFR), Part 1910.212. The guidelines can be summarized as follows:

  1. General Requirement: Machines with parts that could potentially cause injury must be safeguarded. If the operation of a machine can lead to an injury to the operator or other employees, the machine must be guarded.
  2. Guard Design: Machine guards must be designed and installed to prevent workers from having any part of their bodies in dangerous areas during operating conditions. The guards should be secure and strong enough to withstand the conditions of the job and should not have any sharp edges that could cause injury.
  3. Guard Adjustment: Guards must be installed in a way that they do not offer inconvenience to the worker. They should not impede the worker from performing their job duties and should only be adjustable with the use of tools, ensuring they can’t be easily removed or tampered with.
  4. Special Guards: For particular machines like saws, presses, and plastics machinery, OSHA has specific guidelines detailed in 1910.213 to 1910.219. Employers must refer to these rules for specific requirements.
  5. Training: Workers should be trained to understand the purpose and function of the guards. They should also be made aware of the hazards of removing the guards and using the machines without them.

The Role of Employers

Employers play a crucial role in adhering to these standards. Regular inspection and maintenance of the guards should be carried out to ensure their effectiveness. If a guard is found to be deficient, the machine should be taken out of service until the guard is repaired or replaced.

Furthermore, employers should maintain a proactive approach towards worker safety, staying updated with any changes in OSHA regulations and ensuring these are communicated and implemented within the organization.


Compliance with OSHA requirements for machine guarding is not just a legal obligation, but also a moral responsibility of employers to ensure the safety of their employees. Through understanding and applying these guidelines, industries can minimize the risk of accidents and injuries, creating a safer, healthier, and more productive workplace. The focus should always be on prevention, because when it comes to machine-related injuries, the stakes are high, and the consequences can be devastating.


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