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CEN

prEN ISO 19085-21

(Main)

Woodworking machines - Safety - Part 21: Double blade circular sawing machines for cross-cutting with integrated feed (ISO/DIS 19085-21:2024)

Woodworking machines - Safety - Part 21: Double blade circular sawing machines for cross-cutting with integrated feed (ISO/DIS 19085-21:2024)

This document specifies the safety requirements and measures for double blade circular sawing machines for cross-cutting with integrated feed of the cutting-stroke, with manual loading and/or unloading of the workpiece and capable of continuous production use, hereinafter referred to also as “machines”.

Sicherheit von Holzbearbeitungsmaschinen - Kreissägemaschinen - Teil 9: Doppelgehrungskreissägemaschinen mit mechanischem Vorschub und Handbeschickung und/oder Handentnahme

Machines à bois - Sécurité - Partie 21: Machines à scier à deux lames de scie circulaires pour tronçonnage avec avance mécanisée (ISO/DIS 19085-21:2024)

Lesnoobdelovalni stroji - Varnost - Krožne žage - 21. del: Dvolistne krožne žage za prečni rez z vgrajenim podajalnikom

General Information

Status
Not Published
Publication Date
05-Apr-2026
ICS
13.110 - Safety of machinery
79.120.10 - Woodworking machines
Technical Committee
CEN/TC 142 - Woodworking machines - Safety
Drafting Committee
CEN/TC 142/WG 13 - Common requirements and safety of integrated fed machines
Current Stage
4020 - Submission to enquiry - Enquiry
Start Date
12-Sep-2024
Due Date
24-Jun-2025
Completion Date
12-Sep-2024
Directive
2006/42/EC - Directive 2006/42/EC of the European Parliament and of the Council of 17 May 2006 on machinery, and amending Directive 95/16/EC (recast)
2023/1230 - Regulation (EU) 2023/1230 of the European Parliament and of the Council of 14 June 2023 on machinery and repealing Directive 2006/42/EC of the European Parliament and of the Council and Council Directive 73/361/EEC (Text with EEA relevance)
Mandate
M/396 - Mandate to CEN and Cenelec for standardisation in the field of machinery
Ref Project
oSIST prEN ISO 19085-21:2024 - Woodworking machines - Safety - Part 21: Double blade circular sawing machines for cross-cutting with integrated feed (ISO/DIS 19085-21:2024)

Relations

Revises
EN 1870-9:2012 - Safety of woodworking machines - Circular sawing machines - Part 9: Double blade circular sawing machines for cross-cutting with integrated feed and with manual loading and/or unloading
Effective Date
10-Apr-2024

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Standards Content (Sample)


SLOVENSKI STANDARD
01-november-2024
Lesnoobdelovalni stroji - Varnost - Krožne žage - 21. del: Dvolistne krožne žage za
prečni rez z vgrajenim podajalnikom
Woodworking machines - Safety - Part 21: Double blade circular sawing machines for
cross-cutting with integrated feed (ISO/DIS 19085-21:2024)
Sicherheit von Holzbearbeitungsmaschinen - Kreissägemaschinen - Teil 9:
Doppelgehrungskreissägemaschinen mit mechanischem Vorschub und
Handbeschickung und/oder Handentnahme
Machines à bois - Sécurité - Partie 21: Machines à scier à deux lames de scie circulaires
pour tronçonnage avec avance mécanisée (ISO/DIS 19085-21:2024)
Ta slovenski standard je istoveten z: prEN ISO 19085-21
ICS:
13.110 Varnost strojev Safety of machinery
25.080.60 Strojne žage Sawing machines
79.120.10 Lesnoobdelovalni stroji Woodworking machines
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

DRAFT
International
Standard
ISO/DIS 19085-21
ISO/TC 39/SC 4
Woodworking machines — Safety —
Secretariat: UNI
Part 21:
Voting begins on:
Double blade circular sawing 2024-09-10
machines for cross-cutting with
Voting terminates on:
2024-12-03
integrated feed
ICS: 13.110; 79.120.10
THIS DOCUMENT IS A DRAFT CIRCULATED
FOR COMMENTS AND APPROVAL. IT
IS THEREFORE SUBJECT TO CHANGE
AND MAY NOT BE REFERRED TO AS AN
INTERNATIONAL STANDARD UNTIL
PUBLISHED AS SUCH.
This document is circulated as received from the committee secretariat.
IN ADDITION TO THEIR EVALUATION AS
BEING ACCEPTABLE FOR INDUSTRIAL,
TECHNOLOGICAL, COMMERCIAL AND
USER PURPOSES, DRAFT INTERNATIONAL
STANDARDS MAY ON OCCASION HAVE TO
ISO/CEN PARALLEL PROCESSING
BE CONSIDERED IN THE LIGHT OF THEIR
POTENTIAL TO BECOME STANDARDS TO
WHICH REFERENCE MAY BE MADE IN
NATIONAL REGULATIONS.
RECIPIENTS OF THIS DRAFT ARE INVITED
TO SUBMIT, WITH THEIR COMMENTS,
NOTIFICATION OF ANY RELEVANT PATENT
RIGHTS OF WHICH THEY ARE AWARE AND TO
PROVIDE SUPPORTING DOCUMENTATION.
Reference number
ISO/DIS 19085-21:2024(en)
DRAFT
ISO/DIS 19085-21:2024(en)
International
Standard
ISO/DIS 19085-21
ISO/TC 39/SC 4
Woodworking machines — Safety —
Secretariat: UNI
Part 21:
Voting begins on:
Double blade circular sawing
machines for cross-cutting with
Voting terminates on:
integrated feed
ICS: 13.110; 79.120.10
THIS DOCUMENT IS A DRAFT CIRCULATED
FOR COMMENTS AND APPROVAL. IT
IS THEREFORE SUBJECT TO CHANGE
AND MAY NOT BE REFERRED TO AS AN
INTERNATIONAL STANDARD UNTIL
PUBLISHED AS SUCH.
This document is circulated as received from the committee secretariat.
IN ADDITION TO THEIR EVALUATION AS
BEING ACCEPTABLE FOR INDUSTRIAL,
© ISO 2024
TECHNOLOGICAL, COMMERCIAL AND
USER PURPOSES, DRAFT INTERNATIONAL
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
STANDARDS MAY ON OCCASION HAVE TO
ISO/CEN PARALLEL PROCESSING
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
BE CONSIDERED IN THE LIGHT OF THEIR
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
POTENTIAL TO BECOME STANDARDS TO
WHICH REFERENCE MAY BE MADE IN
or ISO’s member body in the country of the requester.
NATIONAL REGULATIONS.
ISO copyright office
RECIPIENTS OF THIS DRAFT ARE INVITED
CP 401 • Ch. de Blandonnet 8
TO SUBMIT, WITH THEIR COMMENTS,
CH-1214 Vernier, Geneva
NOTIFICATION OF ANY RELEVANT PATENT
Phone: +41 22 749 01 11
RIGHTS OF WHICH THEY ARE AWARE AND TO
PROVIDE SUPPORTING DOCUMENTATION.
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland Reference number
ISO/DIS 19085-21:2024(en)
ii
ISO/DIS 19085-21:2024(en)
Contents Page
Foreword .v
Introduction .vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 2
4 Safety requirements and measures for controls . 6
4.1 Safety and reliability of control systems.6
4.2 Control devices .6
4.3 Start .6
4.3.1 Direct start .6
4.3.2 Start via control power-on .6
4.3.3 Cutting stroke .6
4.4 Safe stops .7
4.4.1 General .7
4.4.2 Normal stop .7
4.4.3 Operational stop .7
4.4.4 Emergency stop .7
4.5 Braking function of tools .7
4.6 Mode selection .7
4.7 Tool speed changing .8
4.7.1 Speed changing by shifting the belts on the pulleys .8
4.7.2 Speed changing by incremental speed change motor .8
4.7.3 Infinitely variable speed by frequency inverter .8
4.8 Failure of any power supply .8
4.9 Manual reset control .8
4.10 Standstill detection and monitoring .8
4.11 Machine moving parts speed monitoring.8
4.12 Time delay.8
4.13 Teleservice .8
4.14 Power-operated adjustments .8
5 Safety requirements and measures for protection against mechanical hazards . 9
5.1 Stability .9
5.2 Risk of break-up during operation .9
5.3 Tool and tool fixing design .10
5.3.1 General .10
5.3.2 Spindle locking .10
5.3.3 Circular saw blade fixing device .10
5.3.4 Flange dimension for circular saw blades .10
5.4 Braking .10
5.4.1 Braking of tools .10
5.4.2 Maximum run-down time .10
5.4.3 Brake release .10
5.5 Safeguards .10
5.5.1 Fixed guards .10
5.5.2 Interlocking moveable guards .10
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 protective equipment (PSPE) .11
5.5.7 Enabling control .11
5.6 Prevention of access to hazardous moving parts .11
5.6.1 Safeguarding of the saw blades in the rest position on downwards-cutting
machines . 12

iii
ISO/DIS 19085-21:2024(en)
5.6.2 Safeguarding of the saw blades in the rest position on horizontal and upward
cutting machines .
...

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This document gives the safety requirements and measures for horizontal beam panel circular sawing machines with the saw carriage of the front cutting line mounted below the workpiece support, which are manually and/or powered loaded and manually unloaded, capable of continuous production use, as defined in 3.1 and hereinafter referred to as “machines”.
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—    side pressure device;
—    device for powered unloading;
—    unit for scoring;
—    unit for post-formed/soft-formed edge pre-cutting;
—    panel turning device;
—    front side turn table;
—    pushing out device;
—    pneumatic clamping of the saw blade;
—    powered panel loading device;
—    device for grooving by milling tool;
—    one or more additional cutting lines inside the machine for longitudinal and/or head cut (before the transversal cutting line);
—    workpiece vacuum clamping as part of a front side turn table or of a panel loading device;
—    panel pusher;
—    independent panel pushers;
—    additional panel pushers mounted on the panel pusher carriage;
—    additional panel pusher with integrated label printer device;
—    lifting platform;
—    device for automatic loading of thin panels;
—    device for base board unloading by gravity;
—    device for base board powered unloading;
—    device for panel unloading in limited space condition;
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e) cardboard;
f) foam board;
g) matrix engineered mineral boards, silicate boards;
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i) aluminium light alloy plates with a maximum thickness of 10 mm;
j) composite boards made from the materials listed above.
This document does not deal with hazards related to:
—    specific features different from those listed above;
—    the machining of panels with milling tools for grooving;
—    powered unloading of panels;
—    rear half of split pressure beam on the front cutting line;
—    the combination of a single machine being used with any other machine (as part of a line).
It is not applicable to:
—    machines intended for use in potentiall

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