You asked: What is the criteria for a guard to be used on a machine?

What machine parts always require a guard?

The following are some examples of machines requiring point of operation guarding:

  • Guillotine cutters.
  • Shears.
  • Alligator shears.
  • Power presses.
  • Milling machines.
  • Power saws.
  • Jointers.
  • Portable power tools.

What is the OSHA standard for machine guarding?

General requirements for machine guards. Guards shall be affixed to the machine where possible and secured elsewhere if for any reason attachment to the machine is not possible. The guard shall be such that it does not offer an accident hazard in itself. Point of operation guarding.

Why does a machine need to be fitted with a machine guard?

The purpose of machine guarding is to protect the machine operator and other employees in the work area from hazards created during the machine’s normal operation. This would include hazards of concern such as: ingoing nip points, rotating parts, reciprocating, transversing, and/or flying chips & sparks.

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What is the criteria for a guard having to be used on a machine quizlet?

Guards and safety devices should be made of durable material that will withstand the conditions of normal use. They must firmly be secured to the machine. A safeguard defeats its own purpose if it creates a hazard of its own such as a shear point, a jagged edge, or an unfinished surface which can cause a laceration.

What are the three basic areas of a machine that require safeguarding?

Machine Guarding eTool

All machines consist of three fundamental areas: the point of operation, the power transmission device, and the operating controls.

What are the three primary categories of machine guarding?

They are:

  • Guards – these are physical barriers that prevent contact. …
  • Devices – these limit or prevent access to the hazardous area. …
  • Automated Feeding and Ejection Mechanisms – These eliminate the operator’s exposure to the point of operation while handling stock (materials).

How high should my machine guard be?

Table 0-12–Table of Standard Materials and Dimensions in Part 1910 requires standard guards to be at least 7 feet in height from the floor or platform level. 29 CFR 1910.219(o)(5)(i) requires guardrails to be 42 inches.

Which of the following statements about a machine guard is true a machine guard is effective at protecting employees from?

Which of the following statements about a machine guard is true? A machine guard is effective at protecting employees from: NOT Trip and fall hazards.

What do Guards do to protect the worker OSHA?

Guards provide physical barriers that prevent access to dangerous areas. Safeguarding devices either prevent or detect operator contact with the point of operation or stop potentially hazardous machine motion if any part of a worker’s body is within the hazardous portion of the machine.

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What must a safeguard do to protect workers against mechanical hazards?

Safeguards must meet these minimum general requirements: Prevent contact: The safeguard must prevent hands, arms, and any other part of a worker’s body from making contact with dangerous moving parts. … Protect from falling objects: The safeguard should ensure that no objects can fall into moving parts.

What are two types of primary safeguarding methods?

Primary Safeguarding Methods

Two primary methods are used to safeguard machines: guards and some types of safeguarding devices. Guards provide physical barriers that prevent access to danger areas.