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BS EN 847-1:2017 – TC:2020 Edition

BS EN 847-1:2017 – TC:2020 Edition

$217.84

Tracked Changes. Tools for woodworking. Safety requirements – Milling tools, circular saw blades

Published By Publication Date Number of Pages
BSI 2020 86
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This European Standard specifies all hazards arising from the use of tools for woodworking machines, and describes the methods for the elimination or reduction of these hazards by tool design and by the provision of information. This document deals with milling tools (bore mounted, shank mounted), integrated tools and circular saw blades.

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PDF Pages PDF Title
1 compares BS EN 847‑1:2017
2 TRACKED CHANGES
Text example 1 — indicates added text (in green)
3 Compliance with a British Standard cannot confer immunity from legal obligations.
Amendments/corrigenda issued since publication
6 ForewordEuropean foreword
7 Introduction
8 1 Scope
2 Normative references
3 Terms, definitions, symbols and abbreviations
3.1 Terms and definitions
3.1.1
9 3.1.2
3.1.3
3.1.4
3.1.5
3.1.6
3.1.7
3.1.8
3.1.73.1.8
10 3.1.9
3.1.93.1.10
functional part or parts of the tool each comprised of chip producing elements
3.1.103.1.11
3.1.113.1.12
11 Figure 1 — Milling tool with a spur
Figure 2 — Cutting diameter and cutting width
12 3.1.143.1.15
3.1.153.1.16
t
3.1.163.1.17
3.1.173.1.18
3.1.183.1.19
13 3.1.193.1.20
3.1.203.1.21
3.1.213.1.22
3.1.22
3.1.23.23.1.24
3.1.243.1.25
3.1.253.1.26
14 3.1.263.1.27
3.1.273.1.28
3.1.28
3.1.29
3.1.30
tools
3.1.313.1.29
3.1.323.1.30
3.1.333.1.31
3.1.343.1.32
3.1.353.1.33
15 3.1.363.1.34
3.1.373.1.35
3.1.383.1.36
3.1.393.1.37
3.1.403.1.38
s
3.2 Symbols and abbreviations for cutting materials
16 Figure 3 — Deflector
17 Figure 4 — Friction lock fixing
18 Figure 6 — Radial and axial approach flats
19 Table 1 — Significant hazards
5.1.2 Safety requirements and/or measures
20 Table 2 — Safety factors
5.1.3 Separable fixingSpecial requirements for complex tools
21 5.1.3.2 Clamping parts
Figure 7 — Complex tool pin locking
5.1.3.3 Position of the chip breakersbreaker
Figure 8 — Minimum distance of the chip breaking item (cc) from the cutting edge
22 5.1.4.25.1.3.4.2 Test procedure
5.1.5 Cutting blade thickness and cutting blade projection
23 Figure 9 — Minimum cutting blade thickness
5.1.4 Cutting part thickness and cutting part projection
24 Figure 9 — Examples of steel based cutting part thickness and cutting part projection
5.1.5.3 Onepiece hardmetal (HW, HC) cutting blades, composite milling tools and circular saw blades
25 Figure 10 — Examples of hardmetal cutting part thickness and cutting part projection
Table 3 — Fracture toughness
26 5.1.65.1.5 Dimensions and tolerances
5.1.6.25.1.5.2 Hub diameter and tolerances
Figure 10Figure 11 — Hub tolerances
27 5.1.75.1.6 Handling of detachable tools with m > 15 kg
5.1.7 Prevention of relative rotation within a tool combination
Figure 12 — Prevention of relative rotation between tool elements
5.1.8 Balancing of tools
Table 4 — Minimum balance quality requirements
28 Table 5 — Symbols, Descriptions and Units
5.2 Special requirements for milling tools for machines with hand feed
5.2.1 Tools for hand fed machinesGeneral
5.2.1.15.2.2 Tool form
29 5.2.1.25.2.3 Cutting edge projection and basic number of teeth
Figure 11Figure 13 — Tool for manufacturing finger joints
30 Table 4Table 6 — Cutting edge projection and maximum basic number of teeth
31 5.2.1.35.2.4 Maximum gullet width smax
Figure 12Figure 14 — Maximum gullet width with smax
32 5.2.1.45.2.5 Minimum diameter of the body dmin
33 Figure 13Figure 15 — Minimum diameter of the body dmin for not round form tools
34 Figure 1416 — Not round form tool approach angles
5.2.1.65.2.7 Tool combinations for hand fedfeed machines
Figure 15 — Design of tools for hand fed machines to prevent individual use
35 Figure 16 — Prevention of relative rotation between tool elements
5.2.3 Balance of milling tools
5.2.3.2 Balance quality requirements
36 Table 5 — Balance quality requirements
37 Figure 17 — Design of tools for hand feed machines to prevent individual use
38 6.2 Marking of milling tools for machines with hand feed other than shank mounted tools or integrated tools
6.3 Marking of integrated tools
39 6.4 Marking of shank mounted tools
6.5 Marking of tool sets
40 6.56.6 Marking of circular saw blades
6.66.7 Marking of cutting parts and deflectors
7 Information for use
7.1 General
41 7.2 Safe working practice
7.2.1 Maximum speed
7.2.2 Circular saw blades
7.2.3 One-piece tools
7.2.4 Cleaning
7.2.5 Mounting and fastening of tools and tool parts
42 7.3 Maintenance of tools
7.4 Handling
43 Figure 1718 — Example of handling device Figure 1819 — Example of handling device
Figure 1920 — Example of handling device Figure 2021 — Example of handling device
44 Annex A
(informative)
A.1 General
A.2 Minimum dimensions
A.3 Retipping, exchange of tips on composite tools and circular saw blades
A.4 Milling tools marked with MAN
A.5 Balance of milling tools
A.6 Marking
A.7 Information
45 Annex B
(normative)
Figure B.1 — Cracks caused by the Vickers hardness test
46 Bibliography
48 undefined
53 1 Scope
2 Normative references
54 3 Terms, definitions, symbols and abbreviations
3.1 Terms and definitions
59 3.2 Symbols and abbreviations for cutting materials
62 4 List of significant hazards
5 Design requirements
5.1 General requirements for milling tools and circular saw blades
5.1.1 General
5.1.2 Safety requirements and/or measures
63 5.1.3 Special requirements for complex tools
5.1.3.1 Form lock fixing and friction lock fixing
5.1.3.2 Clamping parts
64 5.1.3.3 Position of the chip breaker
5.1.3.4 Overspeed type test
65 5.1.4 Cutting part thickness and cutting part projection
5.1.4.1 Steel based cutting parts
66 5.1.4.2 Hardmetal cutting parts
68 5.1.5 Dimensions and tolerances
5.1.5.1 Bore tolerances
5.1.5.2 Hub diameter and tolerances
5.1.6 Handling of detachable tools with m > 15 kg
69 5.1.7 Prevention of relative rotation within a tool combination
5.1.8 Balancing of tools
70 5.2 Special requirements for milling tools for machines with hand feed
5.2.1 General
5.2.2 Tool form
5.2.3 Cutting edge projection and basic number of teeth
72 5.2.4 Maximum gullet width smax
73 5.2.5 Minimum diameter of the body dmin
74 5.2.6 Approach angles τr and τa
75 5.2.7 Tool combinations for hand feed machines
76 6 Tool identification
6.1 Marking of milling tools for integrated feed other than shank mounted tools or integrated tools
6.2 Marking of milling tools for machines with hand feed other than shank mounted tools or integrated tools
6.3 Marking of integrated tools
77 6.4 Marking of shank mounted tools
6.5 Marking of tool sets
78 6.6 Marking of circular saw blades
6.7 Marking of cutting parts and deflectors
79 7 Information for use
7.1 General
7.2 Safe working practice
7.2.1 Maximum speed
7.2.2 Circular saw blades
7.2.3 One-piece tools
7.2.4 Cleaning
7.2.5 Mounting and fastening of tools and tool parts
80 7.3 Maintenance of tools
7.4 Handling
82 Annex A (informative)Maintenance and modification of milling tools and related components
A.1 General
A.2 Minimum dimensions
A.3 Retipping, exchange of tips on composite tools and circular saw blades
A.4 Milling tools marked with MAN
A.5 Balance of milling tools
A.6 Marking
A.7 Information
83 Annex B (normative)Palmqvist Toughness Test

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BS EN 847-1:2017 - TC
$217.84