Which of the following is the best guard used in a robotic work envelope?

The best robot safeguard is roping the work area off. OSHA’s standard for the control of hazardous energy (29 CFR 1910.147) is often referred to as the “Lockout/Tagout standard.”

Which type of guard shuts down the machine when the guard is not securely in place *?


Interlocked guards shut down the machine if not securely in place, or if they are disengaged.

When a machine is being operated without the safeguard Which of the following action should be taken?

When a machine is being operated without the safeguard, which of the following actions should be taken? Stop the machine immediately. Report to management the next day. Show caution while the machine is operating.

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Which of the following is an optical device that shuts down the machine any time when the light field is broken?

Photoelectric. A photoelectric (optical) presence-sensing device uses a system of light sources and controls which can interrupt the machine’s operating cycle; if the light field is broken, the machine stops and will not cycle.

Which type of guard shuts down the machine?

Interlocking guards, also known as barrier guards, automatically shut off or disengage the power source when the guard is open or removed. These are particularly useful in situations where operators need to be able to open the guard or access the guarded parts of the machine, such as when clearing jams.

Which type of guards can be permanent or adjustable and is the most preferred method of protection quizlet?

Fixed guards are permanent parts of a machine. These guards are preferable because they’re simple and permanent. Interlocked guards automatically shut off or disengage power through a tripping mechanism when it is opened or removed.

Why are guards used on machinery?

Safeguarding machinery must prevent an operator’s or a passer-by’s access to danger areas or prevent the risk of machine (plant) parts being ejected. The most effective way to manage the risk is to remove the hazards. … Guards must be kept in an effective state that prevents access to the dangerous parts of the machine.

What are the 4 types of machine guards?

Types of Machine Guards

  • Fixed guards.
  • Interlocking guards.
  • Adjustable guards.
  • Self-adjusting guards.

How does machine guarding protect the lives of the operator?

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 an automatic guard?

Automatic guards will ensure that the operator is prevented from coming into contact with dangerous parts when the machine is set in motion accidentally. This guard is itself actuated by the movement of the dangerous part. … This type of guard is used on shearing or cutting machine.

What are the different types of guards?

Types of Security Guards

  • Residential Guards. A residential guard will work to protect homes. …
  • Business Guards. Business guards are in place to help protect a business. …
  • Personal Guards. …
  • Patrol Guards. …
  • Stationary Guards. …
  • Government Security Guards. …
  • Proprietary Guards. …
  • Uniformed Guards.

What are the different types of guards OSHA?

There are four general types of guards:

  • Fixed.
  • Interlocked.
  • Adjustable.
  • Self-adjusting.

What is distance guard?

Fixed distance guard – a fixed guard that does not completely enclose the hazard but that prevents or reduces access because of its physical dimensions and its distance from the hazard.

What do Guards do to protect workers?

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.

What is a barrier guard?

Barrier Guards are appropriate safeguards for full revolution and part revolution mechanical power presses. They are designed to keep the operator’s hands and arms from entering the “danger zone” as prescribed by the particular machine.

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