1 - AS 4024.1601-2006 SAFETY OF MACHINERY - DESIGN OF CONTROLS, INTERLOCKS AND GUARDING-GUARDS-GENERAL REQUIREMENTS FOR THE...
4 - PREFACE
5 - CONTENTS
6 - 1 SCOPE
6 - 2 OBJECTIVE
6 - 3 REFERENCED DOCUMENTS
7 - 4 DEFINITIONS
7 - 4.1 Frequency of access
7 - 4.2 Guard
7 - 4.3 Guard positions
7 - 4.3.1 Guard closed
7 - 4.3.2 Guard open
7 - 4.4 Guard types
7 - 4.4.1 Adjustable guard
8 - 4.4.2 Enclosing guard
8 - 4.5 Fixed guards
8 - 4.5.1 Fixed guard
8 - 4.5.2 Distance guard
8 - 4.6 Interlocking guards
8 - 4.6.1 Interlocking guards
10 - 4.6.2 Interlocking guard with guard locking
11 - 4.7 Movable guards
11 - 4.7.1 Movable guard
11 - 4.7.2 Control guard
11 - 4.7.3 Power-operated guard
11 - 4.7.4 Self-closing guard
12 - 4.8 Tool
12 - 4.9 Use of a tool
12 - 5 RISK ASSESSMENT
12 - 6 PRINCIPAL REQUIREMENTS FOR THE DESIGN AND CONSTRUCTION OF GUARDS
12 - 6.1 Machine aspects
12 - 6.1.1 General
12 - 6.1.2 Access to danger zones
13 - 6.1.3 Containment of ejected parts
13 - 6.1.4 Containment of hazardous substances
13 - 6.1.5 Noise
13 - 6.1.6 Radiation
13 - 6.1.7 Explosion
13 - 6.2 Ergonomics aspects
13 - 6.2.1 General
13 - 6.2.2 Safety distances
14 - 6.2.3 Control of access to the danger zone
14 - 6.2.4 Viewing
14 - 6.2.5 Size and weight
14 - 6.2.6 Operating force
14 - 6.2.7 Intended use
14 - 6.3 Guard design aspects
14 - 6.3.1 General
15 - 6.3.2 Crushing or trapping points
15 - 6.3.3 Durability
15 - 6.3.4 Hygiene
15 - 6.3.5 Cleaning
15 - 6.3.6 Exclusion of contaminants
15 - 6.4 Guard construction aspects
15 - 6.4.1 General
15 - 6.4.2 Sharp edges
15 - 6.4.3 Integrity of joints
15 - 6.4.4 Removal only by tool
15 - 6.4.5 Positive location of removable guards
15 - 6.4.6 Positive closing of movable guards
15 - 6.4.7 Self-closing guards
16 - 6.4.8 Adjustable guards
16 - 6.4.9 Movable guards
16 - 6.4.10 Control guards
16 - 6.5 Selection of materials
16 - 6.5.1 General
16 - 6.5.2 Impact resistance
16 - 6.5.3 Rigidity
16 - 6.5.4 Secure fixing
16 - 6.5.5 Reliability of moving parts
17 - 6.6 Containment
17 - 6.7 Resistance to corrosion
17 - 6.8 Resistance to micro-organisms
17 - 6.9 Non-toxicity
17 - 6.10 Machine viewing
17 - 6.11 Transparency
17 - 6.12 Stroboscopic effects
17 - 6.13 Electrostatic properties
17 - 6.14 Thermal stability
18 - 6.15 Flammability
18 - 6.16 Noise and vibration reduction
18 - 6.17 Radiation protection
18 - 7 SELECTION OF TYPES OF GUARDS
18 - 7.1 General
18 - 7.2 Combination of different guards or of guards with other devices
20 - 7.3 Selection of guards according to the number and location of the hazards
21 - 7.4 Selection of guards according to the nature and frequency of access required
21 - 7.4.1 General
21 - 7.4.2 Moving transmission parts
21 - 7.4.3 Where access is not required during use
21 - 7.4.4 Where access is required during use
21 - 8 ADDITIONAL DESIGN AND CONSTRUCTION CONSIDERATIONS
21 - 8.1 Climbing
21 - 8.2 Retained fastenings
22 - 8.3 Vibration resistance
22 - 8.4 Warning signs
22 - 8.5 Colour
22 - 8.6 Aesthetics
22 - 9 VERIFICATION OF THE SAFETY REQUIREMENTS FOR GUARDS
22 - 9.1 General
22 - 9.2 Impact strength
23 - 9.3 Safety distances
23 - 9.4 Containment
23 - 9.5 Noise
23 - 9.6 Guard operating forces
23 - 9.7 Visibility
23 - 10 INFORMATION FOR USE
23 - 10.1 General
23 - 10.2 Guard hazards
23 - 10.3 Installation
23 - 10.4 Operation
23 - 10.5 Removal of guards
23 - 10.6 Inspection and maintenance
25 - APPENDIX A - SELECTION OF GUARDS AGAINST HAZARDS GENERATED BY MOVING PARTS
26 - APPENDIX B - SELECTION OF GUARDS ACCORDING TO THE NUMBER AND LOCATION OF HAZARDS