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CEN

prEN ISO 19085-20

(Main)

Woodworking machines - Safety - Part 20: Horizontal cutting cross-cut sawing machines with one saw unit (radial arm saws) (ISO/DIS 19085-20:2024)

Woodworking machines - Safety - Part 20: Horizontal cutting cross-cut sawing machines with one saw unit (radial arm saws) (ISO/DIS 19085-20:2024)

This document specifies the safety requirements and measures for horizontal cutting cross-cut sawing machines with one saw unit (radial arm saws) 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 11: Halbautomatische waagrecht schneidende Auslegerkreissägemaschinen mit einem Sägeaggregat (Radialsägen)

Machines à bois - Sécurité - Partie 20: Tronçonneuses à coupe horizontale avec une unité de sciage (scies à bras radial) (ISO/DIS 19085-20:2024)

Varnost lesnoobdelovalnih strojev - Krožne žage - 11. del: Polavtomatske horizontalne krožne žage za prečni rez z eno rezalno enoto (radialne žage) (ISO/DIS 19085-20:2024)

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 19085-20:2024 - Woodworking machines - Safety - Part 20: Horizontal cutting cross-cut sawing machines with one saw unit (radial arm saws) (ISO/DIS 19085-20:2024)

Relations

Revises
EN 1870-17:2012+A1:2015 - Safety of woodworking machines - Circular sawing machines - Part 17: Manual horizontal cutting cross-cut sawing machines with one saw unit (radial arm saws)
Effective Date
17-Apr-2024
Revises
EN 1870-11:2013 - Safety of woodworking machines - Circular sawing machines - Part 11: Semi automatic horizontal cross-cut sawing machines with one saw unit (radial arm saws)
Effective Date
10-Apr-2024

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Standards Content (Sample)


SLOVENSKI STANDARD
01-november-2024
Varnost lesnoobdelovalnih strojev - Krožne žage - 11. del: Polavtomatske
horizontalne krožne žage za prečni rez z eno rezalno enoto (radialne žage)
(ISO/DIS 19085-20:2024)
Woodworking machines - Safety - Part 20: Horizontal cutting cross-cut sawing machines
with one saw unit (radial arm saws) (ISO/DIS 19085-20:2024)
Sicherheit von Holzbearbeitungsmaschinen - Kreissägemaschinen - Teil 11:
Halbautomatische waagrecht schneidende Auslegerkreissägemaschinen mit einem
Sägeaggregat (Radialsägen) (ISO/DIS 19085-20:2024)
Machines à bois - Sécurité - Partie 20: Tronçonneuses à coupe horizontale avec une
unité de sciage (scies à bras radial) (ISO/DIS 19085-20:2024)
Ta slovenski standard je istoveten z: prEN ISO 19085-20
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 19085-20
ISO/TC 39/SC 4
Woodworking machines — Safety —
Secretariat: UNI
Part 20:
Voting begins on:
Horizontal cutting cross-cut sawing 2024-09-10
machines with one saw unit (radial
Voting terminates on:
2024-12-03
arm saws)
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 19085-20:2024(en)
DRAFT
ISO/DIS 19085-20:2024(en)
International
Standard
ISO/DIS 19085-20
ISO/TC 39/SC 4
Woodworking machines — Safety —
Secretariat: UNI
Part 20:
Voting begins on:
Horizontal cutting cross-cut sawing
machines with one saw unit (radial
Voting terminates on:
arm saws)
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 19085-20:2024(en)
ii
ISO/DIS 19085-20:2024(en)
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 . 5
4.1 Safety and reliability of control systems.5
4.2 Control devices .5
4.3 Start .6
4.3.1 Direct start .6
4.3.2 Start via control power-on .6
4.3.3 Power-operated 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 .7
4.7.1 Speed changing by shifting the belts on the pulleys .7
4.7.2 Speed changing by incremental speed change motor .7
4.7.3 Infinitely variable speed by frequency inverter .7
4.8 Failure of any power supply .7
4.9 Manual reset control .7
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 tilting of the saw unit .8
5 Safety requirements and measures for protection against mechanical hazards . 8
5.1 Stability .8
5.2 Risk of break-up during operation .8
5.3 Tool and tool fixing design .9
5.3.1 General .9
5.3.2 Spindle locking .9
5.3.3 Circular saw blade fixing device .9
5.3.4 Flange dimension for circular saw blades .9
5.4 Braking .9
5.4.1 Braking of tools .9
5.4.2 Maximum run-down time .9
5.4.3 Brake release .9
5.5 Safeguards .9
5.5.1 Fixed guards .9
5.5.2 Interlocking moveable guards .9
5.5.3 Hold-to-run control .10
5.5.4 Two-hand control .10
5.5.5 Electro-sensitive protective equipment (ESPE) .10
5.5.6 Pressure sensitive protective equipment (PSPE) .10
5.5.7 Enabling control .10
5.6 Prevention of access to hazardous moving parts .10
5.6.1 Safeguarding the saw blade in machines with manually operated cutting stroke .10
5.6.2 Safeguarding the saw blade in machines with power-operated cutting stroke . 12

iii
ISO/DIS 19085-20:2024(en)
5.6.3 Pivoting of the saw unit . 13
5.6.4 Tilting of the saw
...

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—    the combination of a single machine being used with other machines (as a part of a line);
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—    single spindle hand fed or integrated fed routing machines;
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EN ISO 19085-2:2021(Main)
Woodworking machines - Safety - Part 2: Horizontal beam panel circular sawing machines (ISO 19085-2:2021)
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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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It is also applicable to machines fitted with one or more of the following devices/additional working units, whose hazards have been dealt with:
—    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;
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—    device for automatic loading of thin panels;
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—    device for base board powered unloading;
—    device for panel unloading in limited space condition;
—    loading or pre-loading roller conveyors;
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—    vibrating conveyor with/without trimming unit for offcuts management;
—    predisposition for top loading/unloading by an external system directly on the machine table and/or on the machine preloading roller conveyor and/or on the machine lifting table.
NOTE      base board is a support panel underlying the panel stack, to protect the panels from damages during transportation.
The machines are designed for cutting panels consisting of:
a) solid wood;
b) material with similar physical characteristics to wood (see ISO19085‑1:2021, 2);
c) gypsum boards, gypsum bounded fibreboards;
d) composite materials, with core consisting of e.g. polyurethane or mineral material, laminated with light alloy;
e) cardboard;
f) foam board;
g) matrix engineered mineral boards, silicate boards;
h) polymer‐matrix composite materials and reinforced thermoplastic/thermoset/elastomeric materials;
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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