ISO 23125:2015
Machine tools — Safety — Turning machines
ISO 23125:2014 specifies the requirements and/or measures to eliminate the hazards or reduce the risks in the following groups of turning machines and turning centres, which are designed primarily to shape metal by cutting.
- Group 1: Manually controlled turning machines without numerical control.
- Group 2: Manually controlled turning machines with limited numerically controlled capability.
- Group 3: Numerically controlled turning machines and turning centres.
- Group 4: Single- or multi-spindle automatic turning machines.
It covers the significant hazards and applies to ancillary devices (e.g. for workpieces, tools and work clamping devices, handling devices and chip handling equipment), which are integral to the machine. ISO 23125:2014 also applies to machines which are integrated into an automatic production line or turning cell inasmuch as the hazards and risks arising are comparable to those of machines working separately.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
3.1 General terms
3.2 Terms related to parts of turning machines
3.3 Terms related to modes of operation — Mandatory and optional modes of operation for turning machines
3.4 Terms related to sizes and groups of turning machines defined
3.5 Terms related to maximum permissible spindle speeds and axes feeds
4 List of significant hazards
4.1 General
4.2 Main hazard zones
4.3 Significant hazards and hazardous situations covered by this International Standard
5 Safety requirements and/or protective measures
5.1 General requirements
5.1.1 Overview
5.1.2 Required characteristics for guards for all machine groups
5.2 Specific requirements resulting from mechanical hazards identified in Clause 4
5.2.1 Group 1 machines
5.2.2 Groups 2, 3 and 4 machines
5.2.3 Workpiece clamping conditions
5.2.4 Modes of machine operation
5.2.5 Optional or additional equipment for turning machines
5.3 Specific requirements resulting from electrical hazards
5.4 Specific requirements resulting from noise hazards
5.5 Specific requirements resulting from radiation hazards
5.6 Specific requirements resulting from material or substance hazards
5.7 Specific requirements resulting from neglect of ergonomic principles hazards
5.8 Specific requirements resulting from unexpected start-up, over-run or over-speed hazards
5.9 Specific requirements resulting from variation in rotational speed of tool hazards
5.10 Specific requirements resulting from failure of the power supply hazards
5.11 Specific requirements resulting from failure of the control circuit hazards
5.12 Specific requirements resulting from errors of fitting hazards
5.13 Specific requirements resulting from ejected fluids or objects hazards
5.13.1 General requirements
5.13.2 Guards for large vertical Group 3 machines (NC turning machines and turning centres)
5.13.3 Guards for large horizontal Group 3 machines (NC turning machines and turning centres)
5.14 Specific requirements resulting from loss of stability hazards
5.15 Specific requirements resulting from slips, trips and fall of persons hazards
5.16 Verification of the safety requirements and/or protective measures
6 Information for use
6.1 Marking
6.2 Instruction for use
6.2.1 General
6.2.2 Tooling
6.2.3 Workpiece clamping
6.2.4 Machine functions accessible from the NC panel
6.2.5 Restart
6.2.6 Noise
6.2.7 Ancillary handling devices
6.2.8 Residual risks to be addressed by the machinery user
6.2.9 Installation instructions for the turning machine
6.2.10 Cleaning instruction for the machine
Annex A (normative) Impact test method for guards on turning machines
Annex B (informative) Test equipment for impact test and examples of materials
Annex C (informative) Calculation of direct impact energy
Annex D (informative) Example of checklist for safety functions
Annex E (informative) Examples of exhaust and extinguishing systems
Annex F (informative) Example of the determination of performance level for interlocked guard
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
3.1 General terms
3.2 Terms related to parts of turning machines
3.3 Terms related to modes of operation — Mandatory and optional modes of operation for turning machines
3.4 Terms related to sizes and groups of turning machines defined
3.5 Terms related to maximum permissible spindle speeds and axes feeds
4 List of significant hazards
4.1 General
4.2 Main hazard zones
4.3 Significant hazards and hazardous situations covered by this International Standard
5 Safety requirements and/or protective measures
5.1 General requirements
5.1.1 Overview
5.1.2 Required characteristics for guards for all machine groups
5.2 Specific requirements resulting from mechanical hazards identified in Clause 4
5.2.1 Group 1 machines
5.2.2 Groups 2, 3 and 4 machines
5.2.3 Workpiece clamping conditions
5.2.4 Modes of machine operation
5.2.5 Optional or additional equipment for turning machines
5.3 Specific requirements resulting from electrical hazards
5.4 Specific requirements resulting from noise hazards
5.5 Specific requirements resulting from radiation hazards
5.6 Specific requirements resulting from material or substance hazards
5.7 Specific requirements resulting from neglect of ergonomic principles hazards
5.8 Specific requirements resulting from unexpected start-up, over-run or over-speed hazards
5.9 Specific requirements resulting from variation in rotational speed of tool hazards
5.10 Specific requirements resulting from failure of the power supply hazards
5.11 Specific requirements resulting from failure of the control circuit hazards
5.12 Specific requirements resulting from errors of fitting hazards
5.13 Specific requirements resulting from ejected fluids or objects hazards
5.13.1 General requirements
5.13.2 Guards for large vertical Group 3 machines (NC turning machines and turning centres)
5.13.3 Guards for large horizontal Group 3 machines (NC turning machines and turning centres)
5.14 Specific requirements resulting from loss of stability hazards
5.15 Specific requirements resulting from slips, trips and fall of persons hazards
5.16 Verification of the safety requirements and/or protective measures
6 Information for use
6.1 Marking
6.2 Instruction for use
6.2.1 General
6.2.2 Tooling
6.2.3 Workpiece clamping
6.2.4 Machine functions accessible from the NC panel
6.2.5 Restart
6.2.6 Noise
6.2.7 Ancillary handling devices
6.2.8 Residual risks to be addressed by the machinery user
6.2.9 Installation instructions for the turning machine
6.2.10 Cleaning instruction for the machine
Annex A (normative) Impact test method for guards on turning machines
Annex B (informative) Test equipment for impact test and examples of materials
Annex C (informative) Calculation of direct impact energy
Annex D (informative) Example of checklist for safety functions
Annex E (informative) Examples of exhaust and extinguishing systems
Annex F (informative) Example of the determination of performance level for interlocked guard
Bibliography