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ISO 12643-2:2023 Graphic technology - Safety requirements for graphic technology equipment and systems - Part 2: Prepress and press equipment and systems, 2023
- Foreword
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Significant hazards
- 5 Equipment subject to requirements and interrelation between this document and ISO 12643-1:2023 [Go to Page]
- 5.1 General
- 5.2 Prepress equipment
- 5.3 Printing presses and coating/varnishing machines
- 5.4 Other equipment covered by this document
- 6 Safety requirements and/or protective measures [Go to Page]
- 6.1 General
- 6.2 Guarding of significant hazards [Go to Page]
- 6.2.1 General
- 6.2.2 Guard openings
- 6.2.3 Guarding in-running nips
- 6.3 Interlocks [Go to Page]
- 6.3.1 Interlocking with guard locking
- 6.3.2 Continuous motion at crawl speed with an interlocking guard open
- 6.3.3 Closing an interlocking guard on dampening, flexo or inking devices
- 6.3.4 Closing an interlocking guard on inkjet printing devices
- 6.4 Hold-to-run controls [Go to Page]
- 6.4.1 Specific requirements for sheet-fed presses
- 6.4.2 Specific requirements for forms printing presses and leporello printing presses
- 6.5 Automatic format-setting operations
- 6.6 Additional safeguarding methods for machine devices and components [Go to Page]
- 6.6.1 Delivery units (pile lifting and lowering devices)
- 6.6.2 Transport carriages
- 6.6.3 Guarding plate-clamping devices
- 6.6.4 Continuous-flow drying devices on web presses
- 6.6.5 Folders for web presses
- 6.6.6 Safety distances for web feed on web-fed presses
- 6.6.7 Screen printing presses
- 7 Changing of printing plates [Go to Page]
- 7.1 General
- 7.2 Automatic printing plate changes
- 7.3 Semi-automatic printing plate changes
- 8 Requirements for protection against other hazards [Go to Page]
- 8.1 General
- 8.2 Fire and explosion protection [Go to Page]
- 8.2.1 Protection against fire and explosion in continuous-flow drying devices
- 8.2.2 Fire protection on web-fed rotary gravure presses and web-fed rotary flexo presses
- 8.3 Explosion protection exceptions [Go to Page]
- 8.3.1 General
- 8.3.2 Exceptions for screen printing presses
- 8.3.3 Exceptions for automatic washing devices
- 8.4 Spillage from washing devices
- 8.5 Working platforms, access stairs, passageways and raised workplaces [Go to Page]
- 8.5.1 General
- 8.5.2 Exception for sheet-fed presses
- 8.6 Electrostatic toner dust
- 8.7 Washing equipment for printing plates, rollers and doctor blades [Go to Page]
- 8.7.1 Hazards due to emission of washing agents
- 8.7.2 Grounding of washing equipment
- 8.7.3 Unintended escape of solvents
- 8.8 Alcohol dosing devices [Go to Page]
- 8.8.1 Concentration
- 8.8.2 Prevention of leakage and overflow
- 8.9 Refrigerating devices in ink and dampening units
- 8.10 Powder-spraying devices
- 8.11 Hazardous emissions of sheet-fed presses
- 8.12 Large-format inkjet digital printing machines (wide-format inkjet digital printing machines)
- 8.13 Dust protection requirements on web offset printing presses
- 8.14 Emergency stop devices and stop/safe pushbuttons at stationary control stands of web offset printing presses
- 9 Additional requirements for functions, operations, colours and mechanical specifications of manual control devices [Go to Page]
- 9.1 General
- 9.2 Emergency stop device and ink, dampening, metering, flexo or fountain rollers
- 9.3 Emergency stop devices on auxiliary draw nips
- 9.4 Emergency stop device and inkjet printing heads
- 9.5 Ready pushbutton
- 9.6 Plate position control
- 10 Control systems for screen printing presses
- 11 Safety requirements for prepress equipment [Go to Page]
- 11.1 Electrical equipment of prepress machinery
- 11.2 Electric/electronic control systems of prepress machinery
- 11.3 Exposing equipment
- 11.4 Safeguarding the discharge of liquids
- 11.5 Safeguarding in-running nips on engraving machines
- 11.6 Safeguarding bending unit on printing plate bending machines
- 11.7 Safeguarding printing plate punching devices
- 12 Signals and warning devices for automatic machine mode with double-push sequence
- 13 Control zones for web presses having multiple folders
- 14 Verification of safety requirements and/or protective /risk reduction measures
- 15 Contents of instruction handbook [Go to Page]
- 15.1 General
- 15.2 Sheet-fed printing press systems [Go to Page]
- 15.2.1 Residual risk from ink ducts
- 15.2.2 Residual risks in sheet delivery area
- 15.2.3 Sheet-fed presses used for printing on board or metal sheet
- 15.2.4 Rollers
- 15.2.5 Powders (anti-setoff powders)
- 15.3 Web-fed printing press systems [Go to Page]
- 15.3.1 Rollers
- 15.3.2 In-running nips
- 15.3.3 Operation by two-hand control with guard open
- 15.4 Screen printing presses [Go to Page]
- 15.4.1 Ventilation and admissible liquids
- 15.4.2 Access between screen printing frame and machine frame
- 15.4.3 Use of different size screens
- 15.4.4 Crushing point between doctor blade and screen or machine table
- 15.4.5 Residual risks related to doctor blade
- 15.5 Automatic cylinder and roller washing device
- 15.6 Continuous-flow drying devices [Go to Page]
- 15.6.1 General instructions
- 15.6.2 Inks and coatings
- 15.6.3 Solvents
- 15.6.4 Mist of UV inks and UV coatings
- 15.6.5 Solvents for manual washing
- 15.7 Oxidizers, incinerators and thermal cleaning plants
- 15.8 Alcohol dosing devices
- 15.9 Washing equipment for printing plates
- 15.10 Prepress machinery
- 15.11 Large–format inkjet digital printing machines
- 15.12 Handling of encraved cylinders
- 15.13 Fire protection on printing machines
- Annex A (informative) List of significant hazards
- Annex B (informative) Emission levels of sheet-fed presses resulting from tests conducted in Europe
- Bibliography [Go to Page]
