Standard
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AS 4024.2801:2017
[Current]Safety of machinery, Part 2801: Positioning of safeguards with respect to the approach speeds of parts of the human body
This Australian Standard specifies parameters based on values for approach speeds of parts of the human body and provides a methodology to determine the minimum distances to a hazard zone from the detection zone or from actuating devices of safeguards.
Published: 25/09/2017
Pages: 39
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions, symbols and abbreviated terms
3.1 Terms and definitions
3.2 Symbols and abbreviated terms
3.2.1 Symbols
3.2.2 Abbreviated terms
4 Methodology
5 General equation for the calculation of the overall system stopping performance and minimum distances
5.1 Overall system stopping performance
5.2 Minimum distance
6 Calculation of minimum distances for electro-sensitive protective equipment employing active opto-electronic protective systems
6.1 General
6.1.1
6.1.2
6.1.3
6.1.4
6.2 Detection zone orthogonal to the direction of approach
6.2.1 General
6.2.2 Vertical detection zones detecting whole body access
6.2.3 Electro-sensitive protective equipment employing active opto-electronic protective devices with a sensor detection capability of ≤ 40 mm in diameter
6.2.3.1 Calculation
6.2.3.2 Cycle re-initiation of machine operation employing active opto-electronic protective devices with control function
6.2.4 Electro-sensitive protective equipment with a sensor detection capability of > 40 mm and ≤ 70 mm diameter
6.2.5 Multiple separate beams
6.2.6 Single beams
6.3 Detection zone parallel to the direction of approach
6.4 Detection zone angled to the direction of approach
6.5 Addressing possible circumventing of electro-sensitive protective equipment by reaching over the detection zone
6.5.1 General
6.5.2 Prevention of reaching over a vertical detection zone of electro-sensitive protective equipment without an additional protective structure
6.5.3 Prevention of reaching over a vertical detection zone of electro-sensitive protective equipment combined with a protective structure, such as a fixed guard
6.5.4 Reaching over an angled detection zone
6.6 Indirect approach — Path from detection zone to hazard zone restricted by obstacles
6.6.1 General
6.6.2 Calculation of minimum distances for indirect approaches
7 Method of calculating the positioning of pressure-sensitive mats or floors
7.1 General
7.2 Step mounting
8 Two-hand control devices
9 Interlocking guards without guard locking
Annex A
A.1 General
A.2 Example 1
A.3 Example 2
A.4 Example 3
A.5 Example 4
A.6 Example 5
A.7 Examples comparing different protective devices
A.7.1 Example 6
A.7.2 Example 7
A.7.3 Example 8
Annex B
Annex C
Annex D
D.1 When to give a stop signal
D.2 How to calculate the overall system stopping performance
D.3 Practices to be avoided
D.4 Good practice for making a protocol
Annex E
Bibliography
Cited references in this standard
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