Pullbacks/pullouts are used as safeguarding devices on both full and part revolution power presses. They are similar to restraints, but pullbacks are designed to pull the operator’s hands away from the area of the closing dies (point of operation) during each stroke of the power press.

Which of the following is a description of a pullback device quizlet?

Quiz Question 5: Which of the following is a description of a pullback device? Device that uses cable attached to hands which allows access to the point of operation when the slide/ram is up and automatically withdraws hands when the slide/ram begins to descend.

Which of the following is a function of safety device?

Safety devices are equipped with functions such as a direct opening action for switches and a forcibly guided mechanism for relays, as required by standards. These functions are designed to operate correctly within the control system in which they are used.

Which of the following is the definition of point of operation?

“Point of operation” means the area of the press where material is actually positioned and work is being performed during any process such as shearing, punching, forming, or assembling.

Which of the following are all machine safeguarding requirements except?

The following are all machine safeguarding requirements except: Must prevent workers from lubricating a machine without removing the safeguard.

Which of the following is the definition of point of operation quizlet?

Point of operation is the area on a machine where work is actually performed upon the material being processed.

What is OSHA quizlet?

OSHA. Occupational Safety and Health Administration. It was created in 1970 to protect the rights and safety of the workers. Its responsibilities are to encourage employees and employers to reduce workplace hazards, improve existing safety, and monitor job related injuries and illnesses.

Which of the following machines require point of operation guarding?

Some of the machines which usually require point of operation guarding are guillotine cutters, shears, alligator shears, power presses, milling machines, power saws, jointers, portable power tools, forming rolls and calenders.

Which of the following is the definition of point of operation OSHA?

The point of operation is where work is performed on the material, such as cutting, shaping, boring, or forming of stock. The power transmission apparatus is all components of the mechanical system which transmit energy to the part of the machine performing the work.

Which of the following is a type of mechanical action hazard?

A wide variety of mechanical motions and actions may present hazards to the worker. These can include the movement of rotating members, reciprocating arms, moving belts, meshing gears, cutting teeth, and any parts that impact or shear.

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Which are the safety devices used in machines?

• Safety Light Curtains. …
• Safety Controller. …
• Two-Hand Control Devices. …
• Indicator Lights. …
• Safety Scanner. …
• Safety Interlock Switches. …
• Enabling Devices. …
• Tower Light.

What is a safety devices and how does it work?

A fuse is an electrical safety device that has the capability to protect an electric circuit from excessive electric current. It is designed to allow current through the circuit, but in the event that the current exceeds some maximum value it will open, severing the circuit.

What is built in safety devices on machines?

SAFETY INTERLOCK SWITCHES: Safety interlock switches monitor the mechanical guards that separate an individual from a hazard. If a guard, like a gate, door, or panel is opened or removed, the safety interlock switches send a signal to the machine control system to halt the hazardous situation.

Which is a type of machine safeguarding?

Methods of Safeguarding These can be presence-sensing devices, pullback or restraint straps, safety trip controls, two-hand controls, or gates.

What do safeguarding devices do to protect the worker quizlet?

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

What type of motion involves a back and forth or up and down movement that may strike or entrap an employee between a stationary object and moving part?

Reciprocating Motion (Figure 2) is back-and-forth or up-and-down motion that may strike or entrap an employee between a moving part and a fixed object.

Where can you find OSHA standards quizlet?

– All OSHA standards are available on OSHA’s website. You can look them up by standard number, or a search by topic at “

What are OSHA standards?

OSHA standards are rules that describe the methods that employers must use to protect their employees from hazards. There are four groups of OSHA standards: General Industry, Construction, Maritime, and Agriculture. (General Industry is the set that applies to the largest number of workers and worksites).

What role does OSHA play in workplace safety quizlet?

What role does OSHA play in workplace safety? OSHA is the federal agency responsible for ensuring safety of workers through enforcement of safety and health legislation. OSHA requires facilities to establish practices to keep employees health and safe.

What is being described in the following definition an opening in the floor platform or pavement that measures 12 inches or more and through which persons may fall?

Floor opening: an opening measuring 12 inches or more in its least dimension, in any floor, platform, pavement, or yard through which persons may fall; such as a hatchway, stair or ladder opening, pit or large manhole.

Which of the following is the general definition of hazard communication?

Which of the following is the general definition of Hazard Communication? Hazard Communication is all about identifying chemical hazards in the workplace and communicating these hazards to ensure a safe and healthy work environment.

Which of the following motion is commonly cited as a cause for back injuries?

Bending, followed by twisting and turning, were the more commonly cited movements that caused back injuries. Strains and sprains from lifting loads improperly or from carrying loads that are either too large or too heavy are common hazards associated with manually moving materials.

What are nip points running?

In-running nip points (or pinch points) are a special danger arising from rotating or reciprocating parts. They occur whenever machine parts move toward each other or when one part moves past a stationary object.

What is the horizontal OSHA standard for guarding the point of operation?

29 CFR 1910.212(a)(1) states that one or more methods of machine guarding must be used to protect operators and other employees from hazards, including those created by point of operation, in-running nip points, rotating parts, flying chips and sparks.

What defines a pinch point?

A pinch point is any point at which it is possible for a person or part of a person’s body to be caught between moving parts of a machine, or between the moving and stationary parts of a machine, or between material and any part of the machine.

What is point of operation device example?

The following are some examples of machines requiring point of operation guarding: … Milling machines. Power saws. Jointers.

What are the 4 types of machine guards?

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

What is the subpart for machinery and machine guarding?

1910 Subpart O – Machinery and Machine Guarding | Occupational Safety and Health Administration.

What are the primary types of machine related hazards OSHA quizlet?

• Exposure to energized equipment – Burn from electrical shock.
• Plastic tools dropped on machinery – Projectile lodged in skin.
• Proximity to moving gears or flywheels – Dismemberment.

Which types of hazards are typically caused by machines with reciprocating movement?

Rotating parts and stock can force an arm or hand into a dangerous position, breaking bones and lacerating or severing a hand or other parts of a limb. Operators can be caught and crushed by reciprocating movement when the moving part approaches or crosses a fixed part of the machine (Fig. 1).

What are the two major areas where mechanical hazards are associated with machine?

Hazards associated with working near or on machinery vary depending on the exact machine used but can include exposure to: moving parts (e.g., risk of injuries from entanglement, friction, abrasion, cutting, severing, shearing, stabbing, puncturing, impact, crushing, drawing-in or trapping, etc.)