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13849-1, Limits of machinery - Coggle Diagram
13849-1
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7 Fault consideration, fault exclusion
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6 Categories and their relation to MTTFD of each channel, DCavg and CCF
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Limits of machinery
Use limits
- Machine operating modes
- Different intervention procedures for the users (include interventions for malfunctions of the machine)
- levels of training, experience or ability of users:
- Operators
- Maintenance personnel or technicians
- Trainess and apprentices
- General Public
- exposure of other persons to the hazards associated with the machinery where it can be reasonably foreseen
- persons likely to have a good awareness of the specific hazards, such as operators of adjacent machinery
- persons with little awareness of the specific hazards but likely to have a good awareness of site safety procedures, authorized routes, etc., such as administration staff
- persons likely to have very little awareness of the machine hazards or the site safety procedures, such as visitors or members of the general public, including children
Time limits
- the life limit of the machinery and/or of some of its components (tooling, parts that can wear, electromechanical components, etc.), taking into account its intended use and reasonably foreseeable misuse
- recommended service intervals
Space limits
- the range of movement
- space requirements for persons interacting with the machine, such as during operation and maintenance,
- human interaction such as the operator–machine interface
- the machine–power supply interface.
Other limits
- properties of the material(s) to be processed
- housekeeping — the level of cleanliness required
- environmental — the recommended minimum and maximum temperatures, whether the machine can be operated indoors or outdoors, in dry or wet weather, in direct sunlight, tolerance to dust and wet, etc.