Standard
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AS/NZS 4024.1601:2014
[Current]Safety of machinery, Part 1601: Design of controls, interlocks and guarding — Guards — General requirements for the design and construction of fixed and movable guards
Adopts EN 953:1997, which defines general requirements for the design and construction of guards for the provision of protection of persons from mechanical hazards.
Published: 30/06/2014
Pages: 28
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
PREFACE
Introduction
1 Scope
2 Normative references
3 Definitions
4 Risk assessment
5 Principal requirements for the design and construction of guards
5.1 Machine aspects
5.1.1 General
5.1.2 Access to danger zones
5.1.3 Containment of ejected parts
5.1.4 Containment of hazardous substances
5.1.5 Noise
5.1.6 Radiation
5.1.7 Explosion
5.2 Human aspects
5.2.1 General
5.2.2 Safety distances
5.2.3 Control of access to the danger zone
5.2.4 Viewing
5.2.5 Ergonomic aspects
5.2.5.1 Size and weight
5.2.5.2 Operating forces
5.2.6 Intended use
5.3 Guard design 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
5.4 Guard construction aspects
5.4.1 Sharp edges etc.
5.4.2 Integrity of joints
5.4.3 Removal only by tool
5.4.4 Positive location of removable guards
5.4.5 Positive closing of movable guards
5.4.6 Self closing guards
5.4.7 Adjustable guards
5.4.7.1 General
5.4.7.2 Manually adjustable guard
5.4.7.3 Automatically adjustable guard
5.4.8 Movable guards
5.4.9 Control guards
5.5 Selection of materials
5.5.1 General
5.5.2 Impact resistance
5.5.3 Rigidity
5.5.4 Secure fixing
5.5.5 Reliability of moving parts
5.6 Containment
5.7 Resistance to corrosion
5.8 Resistance to micro-organisms
5.9 Non-toxicity
5.10 Machine viewing
5.11 Transparency
5.12 Stroboscopic effects
5.13 Electrostatic properties
5.14 Thermal stability
5.15 Flammability
5.16 Noise and vibration reduction
5.17 Radiation protection
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 location of the hazards
6.4 Selection of guards according to the nature and frequency FOR access required
6.4.1 Moving transmission parts
6.4.2 Where access is not required during use
6.4.3 Where access is required during use
6.4.3.1 Where access is required only for machine setting, process correction or maintenance
6.4.3.2 Where access is required during the working cycle
6.4.3.3 Where due to the nature of the operation, access to the danger zone cannot be totally prohibited
7 Additional design and construction considerations
7.1 Climbing
7.2 Retained fastenings
7.3 Vibration resistance
7.4 Warning signs
7.5 Colour
7.6 Aesthetics
8 Verification of the safety requirements for guards
8.1 General
8.2 Impact strength
8.3 Safety distances
8.4 Containment
8.5 Noise
8.6 Guard operating forces
8.7 Visibility
9 Information for use
9.1 General
9.2 Guard hazards
9.3 Installation
9.4 Operation
9.5 Removal of guards
9.6 Inspection and maintenance
Annex A
Annex B
Annex ZA
Annex ZB
Bibliography
Cited references in this standard
EN ISO 13857
Safety of machinery – Safety distances to prevent hazard zones being reached by upper and lower limbs (ISO 13857:2008)
EN ISO 14121-1
Safety of machinery – Risk assessment – Part 1: Principles (ISO 14121-1:2007)
EN ISO 12100-1:2003
Safety of machinery – Basic concepts, general principles for design – Part 1: Basic terminology, methodology (ISO 12100-1:2003)
EN ISO 12100-2:2003
Safety of machinery – Basic concepts, general principles for design – Part 2: Technical principles (ISO 12100-2:2003)
EN 60204-1
Safety of machinery – Electrical equipment of machines – Part 1: General requirements (IEC 60204‑1:2005, modified)
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