GB/T 41118-2021 English PDF

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GB/T 41118-2021: Safety of machinery - Guideline for the design of safety control systems
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Basic data

Standard ID: GB/T 41118-2021 (GB/T41118-2021)
Description (Translated English): Safety of machinery - Guideline for the design of safety control systems
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J09
Word Count Estimation: 30,347
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 41118-2021: Safety of machinery - Guideline for the design of safety control systems

---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.
Safety of machinery -- Guideline for the design of safety control systems ICS 13:110 CCSJ09 National Standards of People's Republic of China Design Guidelines for Safety Control Systems for Machinery Safety Published on 2021-12-31 2022-07-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration directory Preface III Introduction IV 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Abbreviations 1 5 Iterative Design Process 2 6 Design preparation 3 6:1 Risk Assessment 3 6:2 Identifying safety functions 3 6:3 Characteristic 3 specifying the safety function 6:4 Determining the required performance level4 6:5 Preparation of Security Requirements Statement 5 7 Design of safety control system 6 7:1 Overview 6 7:2 Preparation of safety design instructions 7 7:3 Designing the Hardware System 7 7:4 Development of safety-related software 11 7:5 Verifying PL 12 of the safety function 7:6 Forming design documents 12 8 Confirm 13 8:1 Confirmation Principle 13 8:2 Analysis 13 8:3 Test 13 8:4 Archives 13 Appendix A (Informative) Example of Design and Verification of Press Safety Control System 14 Appendix B (Informative) Example of Design and Verification of Safety Control System of Woodworking Circular Saw Machine 19 Appendix C (Informative) Example of Design and Verification of Palletizer Safety Control System 22 Reference 25

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 of Standardization Documents" drafted: Please note that some content of this document may be patented: The issuing agency of this document assumes no responsibility for identifying patents: This document is proposed and managed by the National Machinery Safety Standardization Technical Committee (SAC/TC208): This document is drafted by: Pilz Electronics (Changzhou) Co:, Ltd:, Shanghai Chenzhu Instrument Co:, Ltd:, Hefei Panshi Automation Technology Co:, Ltd: Company, Shenzhen Guoji Instrument Co:, Ltd:, Eleven Dimension (Xiamen) Network Technology Co:, Ltd:, Zhangzhou Kehui Special Vehicle Manufacturing Co:, Ltd:, Bakery Zhidao Food (Fujian) Co:, Ltd:, Zhangzhou Jialong Technology Co:, Ltd:, Zhejiang Wujing Machinery Manufacturing Co:, Ltd:, Zhejiang Fortai Intelligent Equipment Co:, Ltd:, Anshi Neng Electric (Shanghai) Co:, Ltd:, Taizhou Longjiang Chemical Machinery Technology Co:, Ltd:, Nanjing University of Science and Technology, China Machinery Manufacturing Co:, Ltd: Power Promotion Center, Sichuan Shuxing Youchuang Safety Technology Co:, Ltd:, Tairui Machinery Co:, Ltd:, Aohuang Testing Technology Service (Shanghai) Co:, Ltd: Company, Beijing Machinery Industry Automation Research Institute Co:, Ltd:, Guangdong Kangxin New Materials Co:, Ltd:, Nanjing Forestry University, Huizhou College, Juli Automation Equipment (Zhejiang) Co:, Ltd:, Suzhou Angao Intelligent Safety Technology Co:, Ltd:, Jiangsu Special Equipment Safety Supervision and Inspection Institute, Foshan Nanhai Xuanyi Machinery Equipment Co:, Ltd:, Guangdong Liying Intelligent Technology Co:, Ltd:, Jiangsu Changhong Intelligent Equipment Co:, Ltd:, Foshan Dingzhong Machinery Co:, Ltd:, Xi'an Kaiyijin Electronic Technology Co:, Ltd:, China Automobile Certification Center Co:, Ltd:, Dongguan Xiongda Machinery Co:, Ltd: Co:, Ltd:, Xi'an Libeian Intelligent Technology Co:, Ltd:, Jiangsu Qiangkai Testing Co:, Ltd:, Xi'an Ning Kangte Data Service Co:, Ltd:, Guangdong Quanzhou Wei Industrial Technology Co:, Ltd:, Shanghai Caiqi Information Technology Service Center, Pinghu Li Ting Machinery Manufacturing Co:, Ltd:, Shandong Zuoyao Intelligent Equipment Co:, Ltd: Co:, Ltd:, Zaozhuang Huitian Meiya Thermal Insulation and Energy Saving Building Materials Co:, Ltd:, Guangdong Xueying Electric Co:, Ltd:, Yiwu Yuexin Mould Technology Co:, Ltd: Co:, Ltd:, Liming Vocational University: The main drafters of this document: Zhao Bin, Xiang Nan, Xiong Conggui, Shu Yuheng, Huang Zhijiong, Zhou Ting, Zhu Ping, Yu Haijian, Wu Jianwei, Xue Congfu, Cai Songhua, Zhao Yang, Xu Zhijian, Huang Jianfeng, Curie Kai, Liu Zhiyong, Lu Xiaoguang, Qin Peijun, Huang Fei, Xu Wenchao, Wei Jianhong, Zhang Riping, Song Xiaoning, Chen Zhuoxian, Pang Yan, Yuan Chaoqun, Qiu Yunjie, Li Qin, Zhong Yaohua, Xiang Mei, Wu Xiangliang, Cheng Hongbing, Ju Ronghua, Ni Liaoyong, Pi Yulin, Shen Haibo, Wang Zhewei, Fu Huiqing, Lai Xiuzhen, Li Ting, Huang Yong, Shen Dehong, Wang Hongwei, Song Guangsheng, Chen Xiaoquan, Yan Guolin, Lin Tong, Wang Minghua, Li Liyan, Li Zhong, Zhong Yunshan, Jiang Tao and Zhang Xiaofei:

Introduction

The safety standard system in the field of machinery consists of the following types of standards: --- Type A standard (basic safety standard), giving basic concepts, design principles and general characteristics applicable to all machinery; --- Class B standard (general safety standard), involving a safety feature in machinery or a class of safety devices with a wide range of use: ● Class B1, standard for safety features (such as safety distance, surface temperature, noise); ● Category B2, safety devices (such as two-hand operating devices, interlocking devices, pressure-sensitive devices, guards) standards; --- Class C standard (machine product safety standard), a standard that specifies detailed safety requirements for a specific machine or a group of machines: According to GB/T 15706, this document belongs to Class B standard: This document is particularly relevant to the following stakeholders related to machinery safety: --- machine manufacturer; --- Health and Safety Agency: Other stakeholders affected by the level of machinery safety are: --- machine users; --- the owner of the machine; --- service providers; --- Consumers (for machinery intended for use by consumers): All of the above-mentioned stakeholders may have participated in the drafting of this document: In addition, this document is intended for standardization bodies drafting Type C standards: The requirements specified in this document may be supplemented or modified by Type C standards: For machines that are within the scope of the C-type standard and have been designed and manufactured in accordance with the C-type standard, the requirements in the C-type standard are preferred: The realization of safety functions of safety protection devices such as emergency stop devices, interlock devices, and two-hand control devices depends on the safety control system: GB/T 16855:1 gives the design principles of safety control system, the purpose of this document is to guide designers how to use GB/T 16855:1 Design safety control systems: Appendix A, Appendix B and Appendix C of this document give the design of the safety control system for the press, woodworking circular saw and palletizer, respectively and validation examples: Design Guidelines for Safety Control Systems for Machinery Safety

1 Scope

This document gives guidelines for the design iteration process, design preparation, design implementation and validation of safety control systems: This document applies to the design and upgrade of the mechanical safety control system defined in GB/T 15706-2012:

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text: Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document: GB/T 15706-2012 General Principles of Mechanical Safety Design Risk Assessment and Risk Reduction GB/T 16855:1-2018 Safety-related parts of machinery safety control systems - Part 1: General rules for design

3 Terms and Definitions

The terms and definitions defined in GB/T 15706-2012 and GB/T 16855:1-2018 and the following terms and definitions apply to this document: 3:1 safetycontrolsystem Perform prescribed safety functions to control or maintain a safe state of a controlled device and, through its own or other control systems, to and external risk reduction measures to achieve the required performance level (PLr) of the specific control system: 3:2 meancyclestodangerousfailure B10D Average number of cycles until 10% of components fail dangerously: Note: Components usually refer to mechanical components, electromechanical components, pneumatic components or hydraulic components:

4 Abbreviations

The following abbreviations apply to this document: AOPD: Active Optoelectronic Protective Device (ActiveOptoelectronicProtectiveDevice) CCF: Common Cause Failure (CommonCauseFailure) DC: Diagnostic Coverage (DiagnosticCoverage) FMEA: Failure Mode and Effects Analysis (Failure Mode and Effects Analysis) MTTFD: MeanTimetoDangerousFailure PFHD: Average probability of dangerous failure per hour (AverageProbabilityofDangerousFailurePerHour) PL: Performance Level RFID: Radio Frequency Identification (RadioFrequencyIDentification) SF: Safety Function (SafetyFunction) ......

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