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AS/NZS 4024.1601:2024
[Current]Safety of machinery, Part 1601: Guards - General requirements for the design and construction of fixed and movable guards (ISO 14120:2015, IDT)
AS/NZS ISO 14120:2024 identically adopts and modifies ISO 14120:2015, which specifies general requirements for the design, construction, and selection of guards provided to protect persons from mechanical hazards.
Published: 20/09/2024
Pages: 35
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
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
5.2.5.1 General
5.2.5.2 Size, weight, and design
5.2.5.3 Operating force
5.2.5.4 Power operated guards
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
6.4.4.1 Where access is required for machine setting, process correction or maintenance
6.4.4.2 Where access is required during the working cycle
6.4.4.3 Where, due to the nature of the operation, access to the hazard zone cannot be totally prevented
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
Annex B
B.1 General information
B.2 Projectile test
B.2.1 General
B.2.2 Test equipment
B.2.2.1 General
B.2.2.2 Projectile
B.2.2.3 Speed measurements
B.2.2.4 Supporting the guard under test
B.2.2.5 Gun
B.2.3 Test method
B.2.4 Results and test report
B.2.4.1 Results
B.2.4.2 Test report
Annex C
C.1 General information
C.2 Pendulum test
C.2.1 General
C.2.2 Test equipment
C.2.2.1 General
C.2.2.2 Test object
C.2.3 Test impact energies
C.2.4 Supporting the guard under test
C.2.5 Test method
C.2.5.1 Resistance of guards against impact from outside the hazard zone
C.2.5.2 Resistance of guards against impacts from inside the hazard zone — Hard body
C.2.6 Results and test report
C.2.6.1 Results
C.2.6.2 Test report
Annex D
Bibliography
Cited references in this standard
[Current]
Safety of machinery - General principles for design - Risk assessment and risk reduction
[Current]
Safety of machinery - Positioning of safeguards with respect to the approach of the human body
[Current]
Safety of machinery - Safety distances to prevent hazard zones being reached by upper and lower limbs
[Current]
Safety of machinery - Interlocking devices associated with guards - Principles for design and selection
[Current]
Safety of machinery - Reduction of risks to health resulting from hazardous substances emitted by machinery - Part 1: Principles and specifications for machinery manufacturers
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