Common Mechanical Injuries
Safeguarding Terms
Operations
Guards
The Operator
100

This happens when a body part gets caught between two hard surfaces.

What is crushing?

100

This is a barrier for safeguarding at the point of operation.

What is a guard?

100

Machines designed for a fixed location shall be securely anchored to prevent.

What is Moving? 

100
This type of guard is a permanent part of the machine, constructed of sheet metal, screen, wire, bars and plastic.
What is a fixed guard?
100
These motions can be dangerous. They can grip hair, clothing or force a hand or arm into a dangerous position.
What is rotating motions?
200

__________ is one of the most severe and crippling types of injuries in the occupational workplace, and often results in permanent disability.” – OSHA on Machine Guarding.

Hint...the answer is not eye injury

What is Amputation?

200

This is any place where a body part can be caught between two or more moving mechanical parts.

What is a pinch point?

200

The max gap between a grinder work rest and the wheel 

What is 1/8 inch?

200
This type of machine guard can be adjusted manually for different kinds of work.
What is an adjustable guard?
200

The purpose of machine guarding is to protect the machine ________ and other employees in the work area from hazards created during the machine's normal operation.

What is Operator?

300

This occurs when a body part comes in contact with a sharp edge.

What is cutting?

300

Defined as the point at which the actual activity is taking place, it is the most common area for a hazard to occur.

What is point of operation?

300

These devices holds the operator back from a danger zone around a machine.

What is restraint devices?

300
This guard controls the action of the machine and shuts down the machine when the guard is not in place.
What is interlocking guard?
300

Guards are physical _______ that prevent access to dangerous areas. 

What are Barriers? 

400

This results when a muscle is overstretched.

What is a sprain?

400

An _______ stop device is designed to react to an incident or hazardous situation.

What is Emergency?

400

The basic rule is that any machine part, function, or process that may cause _______ must be safeguarded.

What is injury?

400

These guards provide a barrier that moves according to the size of the stock entering the danger area. As stock enters an area, it accommodates for its size, returns to its original formation after the stock has left, and is ready for the next item. Note that these guards may require frequent maintenance. 

What is Self-adjusting guards?

400

Whenever unjamming, adjusting, cleaning, repairing, or performing other maintenance tasks, the machine must be isolated from all its energy sources and ________.  

What is Locked Out?

500
A ______ occurs when an object penetrates straight into the body and pulls straight out.
What is puncture?
500

_____ ____Device: transmits energy to the part of the machine performing the work

What is power transmission?

500

_______ pulls the operator's hands out of danger zone if machine starts up.

What are pullback devices?

500

Name 4 types of guards

What are Fixed, Interlocked, Adjustable, and Self adjustable

500

All abrasive ______ must be closely inspected and  ______ tested before mounting to ensure that they are free from cracks or other defects.

What is wheels & ring?? 

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