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International
Standard
ISO 19085-8
Second edition
Woodworking machines — Safety —
2024-07
Part 8:
Wide belt sanding machines and
surface treating machines
Machines à bois — Sécurité —
Partie 8: Machines de ponçage à large bande et machines de
traitement de surface
Reference number
© ISO 2024
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Published in Switzerland
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Contents Page
Foreword .v
Introduction .vi
1 Scope . 1
2 Normative references . 2
3 Terms and definitions . 2
4 Safety requirements and measures for controls . 8
4.1 Safety and reliability of control systems.8
4.2 Control devices .8
4.3 Start .8
4.3.1 Direct start .8
4.3.2 Start via control power-on .8
4.4 Safe stops .8
4.4.1 General .8
4.4.2 Normal stop .8
4.4.3 Operational stop .9
4.4.4 Emergency stop .9
4.5 Braking function of tools .9
4.6 Mode selection .9
4.7 Tool speed changing .9
4.7.1 Speed changing by shifting the belts on the pulleys .9
4.7.2 Speed changing by incremental speed change motor .9
4.7.3 Infinitely variable speed frequency inverter .9
4.8 Failure of any power supply .10
4.9 Manual reset control .10
4.10 Standstill detection and monitoring .10
4.11 Machine moving parts speed monitoring.10
4.12 Time delay.10
4.13 Teleservice .10
5 Safety requirements and measures for protection against mechanical hazards .10
5.1 Stability .10
5.2 Risk of break-up during operation .10
5.3 Tool holder and tool design .10
5.4 Braking .11
5.4.1 Braking of tools .11
5.4.2 Maximum run-down time .11
5.4.3 Brake release .11
5.5 Safeguards .11
5.5.1 Fixed guards .11
5.5.2 Interlocking moveable guards .11
5.5.3 Hold-to-run control .11
5.5.4 Two-hand control .11
5.5.5 Electro-sensitive protective equipment (ESPE) .11
5.5.6 Pressure sensitive protecting device (PSPE) .11
5.5.7 Enabling control .11
5.6 Prevention of access to hazardous moving parts . 12
5.6.1 Guarding of tools . 12
5.6.2 Safeguarding of shearing zones, crushing zones and drawing-in points . 13
5.6.3 Guarding of drives . 13
5.7 Impact hazard . 13
5.8 Clamping devices . 13
5.9 Measures against ejection .14
5.9.1 General .14
5.9.2 Guards material and characteristics .14
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5.9.3 Anti-kickback devices .14
5.9.4 Adjustment of machine work height .16
5.10 Workpiece support and guides .16
6 Safety requirements and measures for protection against other hazards .16
6.1 Fire .16
6.2 Noise .17
6.2.1 Noise reduction at the design stage .17
6.2.2 Noise emission measurement and declaration .17
6.3 Emission of chips and dust .17
6.4 Electricity .17
6.5 Ergonomics and handling .17
6.6 Lighting .17
6.7 Pneumatics .17
6.8 Hydraulics .17
6.9 Electromagnetic compatibility.17
6.10 Laser .18
6.11 Static electricity.
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