They must be firmly secured to the machine. The guard should ensure that no objects can fall into moving parts. A guard cannot create a hazard such as a shear point, a jagged edge, or an unfinished surface that could cause a laceration.
What is a safety consideration when using a machine guard?
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. Protect from falling objects: The safeguard should ensure that no objects can fall into moving parts.
What are the characteristics of an effective machine guard and explain how effectiveness is achieved?
What makes a guard effective? Must prevent any contact to the machine hazard and installed to prevent contact from around, over, through, or under the guard! Must not present a hazard in itself Must be affixed to the machine where possible Conformity with other appropriate standards: ANSI, etc.
How can making use of a machine guard prevent this incident?
Machine guarding prevents workers from sustaining injuries—like pinches, cuts or even amputations—by keeping them from getting caught in or between moving parts of the machine they’re working on.
What is the main purpose of machine guarding?
Machine guarding is a safety feature on or around manufacturing or other engineering equipment consisting of a shield or device covering hazardous areas of a machine to prevent contact with body parts or to control hazards like chips or sparks from exiting the machine.
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 is an appropriate guards being selected?
How is the appropriate safeguard selected? The selection of safeguards should always meet principles of safe design and the hierarchy of control. Some examples include safeguarding by design, using various types of guarding and other devices (e.g., interlocks, limited movement, etc), and procedures.
What are examples of guarding?
Examples of guarding methods are-barrier guards, two-hand tripping devices, electronic safety devices, etc. 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.
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. Despite all machines having the same basic components, their safeguarding needs widely differ due to varying physical characteristics and operator involvement.
What are two primary methods for safeguarding machines?
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.
What are some basic safeguarding methods?
Methods of Safeguarding
These can be presence-sensing devices, pullback or restraint straps, safety trip controls, two-hand controls, or gates. Automated Feeding and Ejection Mechanisms – These eliminate the operator’s exposure to the point of operation while handling stock (materials).
What advantage do Guards have that are designed and built by the user?
Guards designed and installed by the builder offer two main advantages: They usually conform to the design and function of the machine. They can be designed to strengthen the machine in some way or to serve some additional functional purposes.
What machinery needs proper guarding?
The following are some examples of machines requiring point of operation guarding: Guillotine cutters. Shears. Alligator shears.