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BS EN ISO 14120:2015 Safety of machinery. Guards. General requirements for the design and construction of fixed and movable guards >
BS EN ISO 14120:2015 Safety of machinery. Guards. General requirements for the design and construction of fixed and movable guards, 2015
- Contents Page
- European foreword
- Annex ZA (informative) Relationship between this European Standard and the Essential Requirements of EU Directive 2006/42/EC
- Foreword
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Risk assessment
- 5 General requirements for the design and construction of guards
- 5.1 Machine aspects
- 5.1.1 General
- 5.1.2 Access to hazard zones
- 5.1.3 Containment of ejected parts and other impacts
- 5.1.4 Containment of hazardous substances
- 5.1.5 Noise
- 5.1.6 Radiation
- 5.1.7 Potentially explosive atmosphere
- 5.2 Human aspects
- 5.2.1 General
- 5.2.2 Safety distances
- 5.2.3 Control of access to the hazard zone
- 5.2.4 Viewing
- 5.2.5 Ergonomic aspects
- 5.2.6 Intended use
- 5.3 Guard design and construction aspects
- 5.3.1 General
- 5.3.2 Crushing or trapping points
- 5.3.3 Durability
- 5.3.4 Hygiene
- 5.3.5 Cleaning
- 5.3.6 Exclusion of contaminants
- 5.3.7 Sharp edges, etc.
- 5.3.8 Integrity of joints
- 5.3.9 Removal of fixed guards
- 5.3.10 Mounting of removable fixed guards
- 5.3.11 Adjustable guards
- 5.3.12 Movable guards
- 5.3.13 Closed position of movable guards
- 5.3.14 Interlocking guards with a start function (control guards)
- 5.4 Materials, rigidity, and impact requirements
- 5.4.1 General
- 5.4.2 Impact and ejection resistance
- 5.4.3 Rigidity
- 5.4.4 Secure fixing
- 5.4.5 Reliability of moving parts
- 5.5 Containment
- 5.6 Resistance to corrosion
- 5.7 Resistance to microorganisms
- 5.8 Non-toxicity
- 5.9 Machine viewing
- 5.10 Transparency
- 5.11 Shadows and stroboscopic effects
- 5.12 Electrostatic properties
- 5.13 Guards with electrically conductive parts
- 5.14 Thermal stability
- 5.15 Fire and flammability
- 5.16 Noise and vibration reduction
- 5.17 Radiation protection
- 5.18 Climbing
- 5.19 Retained fastenings
- 5.20 Vibration resistance
- 5.21 Warning signs
- 5.22 Colour
- 5.23 Appearance
- 6 Selection of types of guards
- 6.1 General
- 6.2 Combination of different guards or of guards with other devices
- 6.3 Selection of guards according to the number and size of the hazards
- 6.4 Selection of guards according to the nature and frequency of access required
- 6.4.1 General
- 6.4.2 Moving transmission parts
- 6.4.3 Where access is not required during use
- 6.4.4 Where access is required during use
- 7 Verification of the safety requirements for guards
- 7.1 General
- 7.2 Verification and validation methods
- 7.3 Required verification and validation
- 8 Information for use
- 8.1 General
- 8.2 Guard hazards
- 8.3 Installation
- 8.4 Operation
- 8.5 Removal of guards
- 8.6 Inspection and maintenance
- Annex A (informative) Example of retained fastening
- Annex B (informative) Example of projectile test method for mechanically testing guards
- Annex C (informative) Example of pendulum test method for mechanically testing guards
- Annex D (informative) Relationship between International Standards referenced in Clause 2 and corresponding European Standards
- Bibliography [Go to Page]