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GB/T 42628-2023: Machine tools safety - Sawing machines for cold metal
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Machine tools safety - Sawing machines for cold metal
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GB/T 42628-2023
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PDF similar to GB/T 42628-2023
Standard similar to GB/T 42628-2023 GB/T 38193 JB/T 8490 GB 16454 GB/T 45863 Basic data | Standard ID | GB/T 42628-2023 (GB/T42628-2023) | | Description (Translated English) | Machine tools safety - Sawing machines for cold metal | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J57 | | Classification of International Standard | 25.080.60 | | Word Count Estimation | 54,579 | | Date of Issue | 2023-05-23 | | Date of Implementation | 2023-12-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 42628-2023: Machine tools safety - Sawing machines for cold metal---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 25:080:60
CCSJ57
National Standards of People's Republic of China
Machine tool safety metal sawing machine
(ISO 16093:2017, Machinetools-Safety-
Released on 2023-05-23
2023-12-01 implementation
State Administration for Market Regulation
Released by the National Standardization Management Committee
table of contents
Preface V
1 Scope 1
2 Normative references 1
3 Terms and Definitions 3
4 List of major hazards 5
4:1 General requirements 5
4:2 Main hazard areas 5
5 Safety Requirements and Protection Measures 9
5:1 General requirements 9
5:2 Machine type 12
5:3 Protection requirements for various types of machine tools 22
5:4 Other mechanical hazards 25
5:5 Electrical hazards 27
5:6 Thermal hazards 27
5:7 Hazards from noise 27
5:8 Hazards from vibration 28
5:9 Hazards arising from the processing of the material or substance 28
5:10 Hazards arising from ignoring ergonomic principles in machine design 29
5:11 Unexpected start, unexpected timeout and overspeed 30
5:12 Assembly error 31
5:13 Falling or projecting objects or liquids 31
5:14 Machine tool instability and overturning 31
5:15 Slips, trips and falls of persons 31
5:16 Verification of safety requirements and/or measures 32
6 Machine tool usage information 32
6:1 Marking 32
6:2 Instructions 32
6:3 Noise values 33
Appendix A (Normative) Measurement of Noise Emissions 34
Appendix B (Normative) Test conditions and workpiece material specifications for noise measurement of sawing machines 35
B:1 Test conditions for noise measurement of sawing machines 35
B:2 Specification of test material 35
Appendix C (Informative) Examples of Safety Protection Devices for Circular Saw Machines 39
Appendix D (informative) Examples for determining performance levels 42
D:1 General 42
D:2 Safety function (SF) and required performance level 42
D:3 Example A Hazardous movement stopped by reducing hydraulic pressure (SF1) 42
D:4 Example B Prevention of unclamping (vices) due to reduction in hydraulic pressure (SF2) 44
D:5 Verification 46
Reference 47
Figure 1 Hinge type horizontal band sawing machine 13
Figure 2 Column type horizontal band sawing machine 13
Figure 3 Automatic column type horizontal band sawing machine 14
Figure 4 Angle sawing band sawing machine 14
Fig: 5 Vertical band sawing machine with fixed saw frame 15
Fig: 6 Vertical band sawing machine 16 with longitudinal feed of the saw frame
Fig: 7 Horizontal feed type vertical band sawing machine 16 with saw frame
Figure 8 Workbench feed type vertical band sawing machine (cross-cutting type) 17
Figure 9 Manual feed type pendulum circular sawing machine 17
Figure 10 Automatic feed type pendulum circular sawing machine 18
Figure 11 Double-column down-cut vertical circular sawing machine 18
Figure 12 Single column down-cut vertical circular sawing machine 19
Figure 13 Up-cut vertical circular sawing machine 20
Fig: 14 Desktop longitudinal and lateral movement type circular sawing machine 20
Figure 15 Double or multi-head circular sawing machine 21
Figure 16 Horizontal circular sawing machine 21
Figure 17 Horizontal bow sawing machine (hinge type) 22
Figure C:1 Examples of protective devices for manual and motorized sawing head feed type pendulum circular sawing machines 39
Figure C:2 Example of protective devices for automatic pendulum circular sawing machines 39
Figure C:3 Example of protective devices for semi-automatic large pendulum circular sawing machines 40
Figure C:4 Example of protective devices for semi-automatic large vertical circular sawing machines 40
Figure C:5 Example of protective devices for single-column downcut circular sawing machines 41
Figure D:1 Control circuit A for performing safety functions 43
Figure D:2 Block Diagram 43 of Example A for Identifying Safety-Related Parts
Figure D:3 Control circuit B for performing safety functions 45
Figure D:4 — Block diagram of example B for identifying safety-related parts 45
Table 1 List of Major Hazards and Their Main Sources Table 5
Table 2 Performance level 10 required for safety functions
Table 3 Measures to reduce noise 27
Table B:1 Specimen Specifications 36
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 is equivalent to ISO 16093:2017 "Safety of Machine Tools for Cold Metal Sawing Machines":
The following minimal editorial changes have been made to this document:
---The name of the standard was changed from "Machine Safety Cold Metal Sawing Machine" to "Machine Safety Metal Sawing Machine";
--- For the international standards in the normative reference documents and the international standards in the references, replace them with the equivalent transformed national standards;
---Change "Note 1" in many places in ISO 16093:2017 to "Note" in this document:
Please note that some contents of this document may refer to patents: The issuing agency of this document assumes no responsibility for identifying patents:
This document is proposed by China Machinery Industry Federation:
This document is under the jurisdiction of the National Metal Cutting Machine Tool Standardization Technical Committee (SAC/TC22):
This document is drafted by: Zhejiang Chenlong Sawing Machine Co:, Ltd:, General Technology Group Machine Tool Engineering Research Institute Co:, Ltd:, Zhejiang Chendiao
Machinery Co:, Ltd:, Shijiazhuang Weifeng Machinery Manufacturing Co:, Ltd:, Tengzhou Sanhe Machinery Co:, Ltd:
The main drafters of this document: Deng Fang, Zhang Wei, Lu Jianfei, Xing Bin, Kang Bin, Ding Xiasheng, Chen Yanyan, Wang Jing, Wang Conggai, Mei Xingkun:
Machine tool safety metal sawing machine
1 Scope
This document is mainly concerned with the use of the various metal sawing machines listed in Chapter 3 (including auxiliary equipment such as workpiece clamping devices, cooling devices, feeding
devices, etc:) for major hazards, dangerous situations and events that exist in the process of cold sawing ferrous or non-ferrous metals:
The table in Chapter 4 of this document reveals the significant hazards for metal sawing machines: It stipulates that the manufacturer mainly abides by in the design and manufacture of sawing machines
security elements: At the same time, this document is also an essential safety information for the manufacturer to provide the user with regard to the use of the sawing machine:
This document can also be used as a basis for safety requirements for other machining methods (milling, boring, marking, finishing, etc:): For more information, please
See references:
This document deals with noise hazards, but does not provide complete noise test specifications: It is proposed that such specifications be drafted in the next revision of this document:
This document does not include requirements and safety measures for fire and explosion hazards: It will be addressed in the next revision of this document:
This document applies to (metal) sawing machines produced after its implementation:
2 Normative references
The contents of the following documents constitute the essential provisions of this document through normative references in the text: Among them, dated references
For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to
this document:
GB/T 3768-2017 Acoustic sound pressure method for the determination of sound power level and sound energy level of noise sources using the envelope measurement surface above the reflecting surface
The simplified method (ISO 3746:2010, IDT)
GB/T 8196-2018 General requirements for the design and manufacture of fixed and movable guards for mechanical safety guards
(ISO 14120:2015, IDT)
GB/T 15706-2012 General Principles of Machinery Safety Design Risk Assessment and Risk Reduction (ISO 12100:2010, IDT)
GB/T 16655-2008 Basic Requirements for Machinery Safety Integrated Manufacturing System (ISO 11161:2007, IDT)
GB/T 16855:1-2018 Safety-related components of machinery safety control systems Part 1: General principles for design (ISO 13849-1:
2015, IDT)
GB/T 17248:3-2018 Noise emitted by acoustic machines and equipment is determined using approximate environmental corrections for the determination of working positions and other
Emission sound pressure level at specified location (ISO 11202:2010, IDT)
GB/T 17248:5-2018 Acoustic noise emitted by machines and equipment using accurate environmental corrections to determine working positions and other
Emission sound pressure level at specified location (ISO 11204:2010, IDT)
GB/T 18831-2017 Design and selection principles of interlocking devices related to machinery safety and guards (ISO 14119:
2013, IDT)
GB/T 19876-2012 The safety of machinery and the positioning of safety guards related to the approach speed of human body parts (ISO 13855:
2010, IDT)
GB/T 23821-2009 Safety distance of machinery to prevent upper and lower limbs from touching dangerous areas (ISO 13857:2008, IDT)
GB/T 28780-2012 Overall lighting of machinery safety machinery (EN1837:1999, IDT)
ISO 683-1 Heat-treatable, alloy and free-machining steels - Part 1: Non-alloys for quenching and tempering (Heat-treatable
Note: GB/T 34484:1-2017 Heat-treated steel Part 1: Non-alloy steel (ISO 683-1:2016, MOD)
ISO 3744 Acoustics Engineering methods for the determination of sound power levels of noise sources and sound energy levels in reflecting planes for an essentially free field using sound pressure
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