CEN/TC 145/WG 8 - Calenders - Safety

This document specifies safety requirements relating to the design and construction of calenders (see 3.1.1) intended for the calendering, polishing, laminating or embossing of rubber or plastics.
This document concerns the calender alone, including the following integrated components: cutting device, stock guides and feeding device, secondary roller.
Annex C shows examples of various types of calenders and Annex D shows examples of calendaring processes.
This document deals with all significant hazards, hazardous situations or hazardous events relevant to the design and construction of calenders, when the machines are used as intended and under the conditions of misuse which are reasonably foreseeable by the manufacturer during all the phases of the life of the machine as described in EN ISO 12100:2010, 5.4 (see Annex B).
This document does not deal with:
-   hazards generated by the processing of explosive materials, or materials which give rise to an explosive atmosphere;
-   hazards due to laser or ionizing radiation;
-   hazards generated if the calender is installed in an explosive atmosphere.
Two roll mills are covered by EN 1417.
This document is not applicable to calenders manufactured before the date of its publication.

This European standard specifies safety requirements relating to the design and construction of multi-roll calenders intended for the processing of rubber or plastics.
This standard concerns the calender alone including all components fixed to its frame.
Annex A shows examples of various types of calenders and annex B shows examples of calendaring processes.
The following machines are excluded:
-   two-roll calenders forming an integral unit with an extruder (roller head);
-   two or three-roll polishing , laminating or embossing units (which are not calenders) installed downstream of extruders in film processing lines.
This standard deals with the significant hazards listed in clause 4.
The following hazards are not dealt with:
-   hazards generated by the materials being processed (see informative annex C);
-   hazards generated by the processing of explosive materials, or materials which give rise to an explosive atmosphere;
-   fire hazards due to ignition of flammable materials by contact with hot parts of the calender (e.g. in case of oil leakage);
-   hazards due to electromagnetic, laser or ionising radiation;
-   hazards generated if the calender is installed in an explosive atmosphere.
This standard applies to machinery manufactured after the date of approval of this standard by CEN.

This European standard specifies safety requirements relating to the design and construction of multi-roll calenders intended for the processing of rubber or plastics. This standard concerns the calender alone. including all components fixed to its frame. Annex A shows examples of various types of calenders and annex B shows examples of calendering processes. The following machines are excluded:
- two-roll calenders forming an integral unit with an extruder (roller head); - two or three-roll polishing , laminating or embossing units (which are not calenders) installed downstream of extruders in film processing lines. This standard deals with the significant hazards listed in clause 4. The following hazards are not dealt with: - hazards generated by the materials being processed (see informative annex C);
- hazards generated by the processing of explosive materials, or materials which give rise to an explosive atmosphere; - fire hazards due to ignition of flammable materials by contact with hot parts of the calender (e.g. in case of oil leakage); - hazards due to electromagnetic, laser or ionising radiation; - hazards generated if the calender is installed in an explosive atmosphere. This standard applies to machinery manufactured after the date of approval of this standard by CEN.