AS 4024.1202-2006

1 - AS 4024.1202-2006 SAFETY OF MACHINERY - GENERAL PRINCIPLES-TECHNICAL PRINCIPLES
4 - PREFACE
5 - CONTENTS
6 - 1 SCOPE
6 - 2 OBJECTIVE
6 - 3 REFERENCED DOCUMENTS
8 - 4 DEFINITIONS
8 - 5 INHERENTLY SAFE DESIGN MEASURES
8 - 5.1 General
8 - 5.2 Consideration of geometrical factors and physical aspects
8 - 5.2.1 Geometrical factors
9 - 5.2.2 Physical aspects
9 - 5.3 General technical knowledge regarding machine design
10 - 5.4 Choice of an appropriate technology
10 - 5.5 Applying the principle of the positive mechanical action of a component on another component
10 - 5.6 Provisions for stability
11 - 5.7 Provisions for maintainability
11 - 5.8 Observing ergonomic principles
11 - 5.8.1 General
11 - 5.8.2 Posture
11 - 5.8.3 Ease of operations
11 - 5.8.4 Environmental factors
11 - 5.8.5 Linking operator movements to machine movements
11 - 5.8.6 Lighting
12 - 5.8.7 Manual controls
12 - 5.8.8 Displays
12 - 5.9 Preventing electrical hazard
12 - 5.10 Preventing hazards from pneumatic and hydraulic equipment
13 - 5.11 Applying inherently safe design measures to control system
13 - 5.11.1 General
13 - 5.11.2 Control system design
14 - 5.11.3 Starting an internal power source/switching on an external power supply
14 - 5.11.4 Starting/stopping of a mechanism
15 - 5.11.5 Restart after power interruption
15 - 5.11.6 Interruption of power supply
15 - 5.11.7 Use of automatic monitoring
15 - 5.11.8 Safety functions implemented by programmable electronic control systems
16 - 5.11.9 Principles relating to manual control
17 - 5.11.10 Control mode for setting, teaching, process changeover, fault-finding, cleaning or maintenance
17 - 5.11.11 Selection of control and operating modes
18 - 5.11.12 Applying measures to achieve electromagnetic compatibility (EMC)
18 - 5.11.13 Provision of diagnostic systems to aid fault-finding
18 - 5.12 Minimizing the probability of failure of safety functions
18 - 5.12.1 General
18 - 5.12.2 Use of reliable components
18 - 5.12.3 Use of oriented failure mode components
18 - 5.12.4 Duplication (or redundancy) of components or subsystems
19 - 5.13 Limiting exposure to hazards through reliability of equipment
19 - 5.14 Limiting exposure to hazards through mechanization or automation of loading (feeding) or unloading (removal) operations
19 - 5.15 Limiting exposure to hazards through location of the setting and maintenance points outside of danger zones
19 - 6 SAFEGUARDING AND COMPLEMENTARY PROTECTIVE MEASURES
19 - 6.1 General
20 - 6.2 Selection and implementation of guards and protective devices
20 - 6.2.1 General
21 - 6.2.2 Where access to the hazard zone is not required during normal operation
21 - 6.2.3 Where access to the hazard zone is required during normal operation
22 - 6.2.4 Where access to the hazard zone is required for machine setting, teaching, process changeover, fault finding...
22 - 6.2.5 Selection and implementation of sensitive protective equipment
24 - 6.2.6 Protective measures for stability
24 - 6.2.7 Other protective devices
25 - 6.3 Requirements for the design of guards and protective devices
25 - 6.3.1 General requirements
25 - 6.3.2 Requirements of guards
27 - 6.3.3 Technical characteristics of protective devices
27 - 6.3.4 Provisions for alternative types of safeguards
27 - 6.4 Safeguarding for reducing emissions
27 - 6.4.1 General
27 - 6.4.2 Noise
27 - 6.4.3 Vibration
27 - 6.4.4 Hazardous substances
27 - 6.4.5 Radiation
27 - 6.5 Complementary protective measures
27 - 6.5.1 General
28 - 6.5.2 Components and elements to achieve the emergency stop function
28 - 6.5.3 Measures for the escape and rescue of trapped persons
28 - 6.5.4 Measures for isolation and energy dissipation
28 - 6.5.5 Provisions for easy and safe handling of machines and their heavy component parts
29 - 6.5.6 Measures for safe access to machinery
29 - 7 INFORMATION FOR USE
29 - 7.1 General requirements
30 - 7.2 Location and nature of the information for use
30 - 7.3 Signals and warning devices
30 - 7.4 Markings, signs (pictograms), written warnings
31 - 7.5 Accompanying documents (in particular, instruction handbook)
31 - 7.5.1 Contents
33 - 7.5.2 Production of the instruction handbook
33 - 7.5.3 Advice for drafting and editing information for use

Defines the technical principles required to achieve safety in the design of machinery. Does not deal with injury to domestic animals, property or the environment.

This Standard defines technical principles to help designers in achieving safety in the design of machinery.This Standard is intended to be used together with AS 4024.1201 when considering the solution to a specific problem.This Standard does not deal with injury damage to domestic animals, property or the environment.

Originated as part of AS 4024.1(Int)-1992.
Previous edition part of AS 4024.1-1996.
Revised in part and redesignated as AS 4024.1202-2006.