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GB 12557-2024: Woodworking machines - Safety technical specification
Status: Valid GB 12557: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB 12557-2024 | English | 439 |
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4 days [Need to translate]
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Woodworking machines - Safety technical specification
| Valid |
GB 12557-2024
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| GB 12557-2010 | English | 759 |
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6 days [Need to translate]
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Woodworking machines -- Safety code
| Valid |
GB 12557-2010
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| GB 12557-2000 | English | 999 |
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6 days [Need to translate]
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Woodworking machines-Safety code
| Obsolete |
GB 12557-2000
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| GB 12557-1990 | English | RFQ |
ASK
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3 days [Need to translate]
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Woodworking machines--Safely code for construction
| Obsolete |
GB 12557-1990
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PDF similar to GB 12557-2024
Basic data | Standard ID | GB 12557-2024 (GB12557-2024) | | Description (Translated English) | Woodworking machines - Safety technical specification | | Sector / Industry | National Standard | | Classification of Chinese Standard | J65 | | Classification of International Standard | 79.120.10 | | Word Count Estimation | 22,273 | | Date of Issue | 2024-09-29 | | Date of Implementation | 2025-10-01 | | Older Standard (superseded by this standard) | GB 12557-2010 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB 12557-2024: Woodworking machines - Safety technical specification---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 79.120.10
CCSJ65
National Standard of the People's Republic of China
Replaces GB 12557-2010
Safety technical specification for woodworking machine tools
Released on 2024-09-29
2025-10-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface III
Introduction IV
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Safety requirements and/or measures 1
4.1 Safety and reliability of control systems 1
4.2 Control Devices 1
4.3 Start 2
4.4 Safe Stop 2
4.5 Braking of the knife shaft 2
4.6 Mode Selection 2
4.7 Tool speed change 2
4.8 Power source failure 3
4.9 Manual reset control 3
4.10 Stop detection and monitoring 3
4.11 Speed monitoring of moving parts 3
4.12 Time Delay 3
4.13 Remote Services 3
5 Safety requirements and protective measures for mechanical hazards 3
5.1 Stability 3
5.2 Risk of breakage during operation 3
5.3 Toolholder and tool design 4
5.4 Braking 4
5.5 Protective devices 5
5.6 Protection against access to hazardous moving parts 6
5.7 Impact hazard 6
5.8 Clamping device 6
5.9 Prevention of Projectiles 7
5.10 Support and guidance of workpieces 9
5.11 Safety Annex 10
6 Safety requirements and protective measures for other hazards 10
6.1 Fire and explosion 10
6.2 Noise 10
6.3 Emissions of wood chips and dust 12
6.4 Electrical equipment 12
6.5 Ergonomics and handling 12
6.6 Lighting 12
6.7 Pneumatic device 13
6.8 Hydraulic device 13
6.9 Electromagnetic compatibility 13
6.10 Laser 13
6.11 Static Electricity 13
6.12 Device Error 13
6.13 Isolation13
6.14 Maintenance 14
6.15 Others14
7 Usage Information14
7.1 Warning 14
7.2 Sign 15
7.3 User Manual 15
Figure 1 Flange Schematic Diagram 4
Figure 2 Thickness of the dividing knife corresponding to the saw blade size 8
Figure 3 Positioning limit of the dividing knife 8
Figure 4 The shape of the dividing knife 9
Figure 5 The position of the dividing knife relative to the main flange of the saw blade 9
Table 1 Maximum sound pressure level limits for noise from various machine tools and machine tool production lines11
Foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Drafting.
This document replaces GB 12557-2010 "General Safety Rules for Woodworking Machine Tools" and GB 12557-2010 "General Safety Rules for Woodworking Machine Tools"
Compared with the previous version, in addition to structural adjustments and editorial changes, the main technical changes are as follows.
--- Changed the terms and definitions (see Chapter 3, see Chapter 3 of the.2010 edition);
--- Deleted the hazard list (see Chapter 4 of the.2010 edition);
--- Deleted "General requirements for manipulators" (see 5.2.3 of the.2010 edition);
--- Deleted the brake system test (see 5.3.4.2 and 5.3.4.3 of the.2010 edition);
--- Deleted the requirements for "self-adjusting protective devices" (see 5.3.8.4 of the.2010 edition);
--- Deleted the requirements for “automation and mechanization” (see 5.3.9 of the.2010 edition);
--- Deleted the requirements for "multi-process machine tools" (see 5.3.11 of the.2010 edition);
--- Deleted the requirement of "dust suction air velocity" (see 5.4.3.3 of the.2010 edition);
--- Deleted the requirements for "vibration" (see 5.4.11 of the.2010 edition) and "radiation" (see 5.4.12 of the.2010 edition);
--- Add "manual reset control" (see 4.9), "stop detection and monitoring" (see 4.10), "speed monitoring of moving parts" (see
4.11), "Time delay" (see 4.12), "Remote service" (see 4.13);
--- Added the requirements for "flanges on machine tools using circular saw blades" and "situations where the spindle needs to be fixed" (see 5.3);
--- Added "hold-to-run" control (see 5.5.4), "two-hand control" (see 5.5.5), "electro-sensitive protective equipment (ESPE)" (see 5.5.6),
"Pressure sensitive protective equipment (PSPE)" (see 5.5.7), "Enabling control" (see 5.5.8), "Shock hazard" (see 5.7);
--- Added the requirements of "backstop", "dividing knife" and "machine tool control device cannot increase the risk of ejection of machine tools" (see 5.9.1~
5.9.3);
--- Added the requirements for "roller feed" (see 5.10);
--- "Fire and explosion" added "Prevention of electrostatic discharge" (see 6.1);
--- Changed Table 1 "Maximum sound pressure level limits for noise from various machine tools and machine tool production lines" and added "For noise that still remains after noise reduction measures have been adopted
Supplementary requirements for "machine tools that cannot meet the requirements specified in Table 1" (see 6.2.2, see 5.4.2.2 of the.2010 edition);
--- Changed "Electrical equipment" (see 6.4, 5.4.4 of the.2010 edition), "Lighting" (see 6.6, 5.4.6 of the.2010 edition), "Pneumatic equipment"
"Hydraulic device" (see 6.7, 5.4.7 of the.2010 edition), "Hydraulic device" (see 6.8, 5.4.8 of the.2010 edition);
--- Added "isolation" (see 6.13);
--- Changed "Information for Use" (see Chapter 7, Chapter 6 of the.2010 edition).
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document is proposed and coordinated by the Ministry of Industry and Information Technology of the People's Republic of China.
--- This document was first published in.1990 as GB 12557-1990, revised for the first time in.2000 and revised for the second time in.2010;
---This is the third revision.
Introduction
This document is for woodworking saws, woodworking planers, woodworking milling machines, woodworking drilling machines, woodworking mortising machines, woodworking lathes, woodworking polishing machines, woodworking joint
All woodworking machine tools except portable woodworking machine tools, such as woodworking auxiliary machines, woodworking multi-process machine tools, woodworking joining, assembly and coating machines, etc.
The paper summarizes the important (common) safety issues and extracts the key contents of various woodworking machine tool safety standards from the aspects of design, manufacturing, inspection and so on.
The safety requirements of woodworking machine tools are fully clarified, including test and use information, aiming to reduce the risks of woodworking machine tools in operation, adjustment, maintenance, transportation, assembly,
Hazards arising during disassembly.
This document is a general safety technical specification for woodworking machine tools. The safety of other specific machine tools will be equivalent to the corresponding ISO standards revised as recommended.
Recommended national standard.
Safety technical specification for woodworking machine tools
1 Scope
This document specifies the safety technical requirements and inspection methods for woodworking machine tools.
This document is applicable to fixed and movable woodworking saws, woodworking planers, woodworking milling machines, woodworking drilling machines, woodworking mortising machines, woodworking lathes
Woodworking machines, woodworking polishing machines, woodworking combined machines, woodworking auxiliary machines, woodworking multi-process machine tools, woodworking joining, assembly and coating machines, etc. (hereinafter referred to as
called "machine tool").
2 Normative references
The contents of the following documents constitute essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
GB 4208-2017 Enclosure Protection Degrees (IP Code)
GB/T 5226.1-2019 Electrical safety of machinery Electrical equipment of machinery Part 1.General technical requirements
GB 7247.1-2012 Safety of laser products Part 1.Equipment classification and requirements
GB/T 16855.1-2018 Safety-related components of mechanical safety control systems Part 1.General principles for design
GB/T 19436.2-2013 Electrical safety of machinery - Electro-sensitive protective equipment - Part 2.Using active optoelectronic protective devices
Special requirements for (AOPDs) equipment
GB/T 19671-2022 Design and selection principles for safe two-hand control devices for machinery
GB/T 23821-2022 Mechanical safety Safety distance to prevent upper and lower limbs from touching dangerous areas
GB/T 44902-2024 Common safety requirements for woodworking machine tools
JB/T 9953-2020 Measurement method for sound pressure level of woodworking machine tools
3 Terms and definitions
The terms and definitions defined in GB/T 44902-2024 apply to this document.
4 Safety requirements and/or measures
4.1 Safety and reliability of control systems
The design and implementation of any safety functions implemented in electrical, pneumatic, hydraulic or mechanical technology shall comply with
Requirements of GB/T 16855.1-2018.
The safety function of the machine tool is realized through the safety-related components of the machine tool control system (SRP/CS), and it is ensured that the components meet the requirements of
Performance level (PLr) required by Chapter 4 and Chapter 5 of GB/T 44902-2024.
Inspection method. Check documents, drawings and/or circuit diagrams, calculations, check machine tools and perform functional checks.
4.2 Control Devices
All manual control devices should be placed in a safe area and easy to operate and
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