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GB/T 40330-2021 English PDF

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US$2109.00 · In stock
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GB/T 40330-2021: Safety of machine tools - Stationary grinding machines
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 40330-2021	2109	Add to Cart	11 days	Safety of machine tools - Stationary grinding machines	Valid

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Basic data

Standard ID: GB/T 40330-2021 (GB/T40330-2021)
Description (Translated English): Safety of machine tools - Stationary grinding machines
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J55
Word Count Estimation: 114,197
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 40330-2021: Safety of machine tools - Stationary grinding machines

---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 machine tools-Stationary grinding machines ICS 25.080.50 CCSJ55 National Standards of People's Republic of China Machine tool safety fixed grinder (ISO 16089.2015, Machinetools-Safety-Stationarygrindingmachines, MOD) Released on 2021-05-21 2021-12-01 implementation State Administration of Market Supervision and Administration Issued by the National Standardization Management Committee

Preface Ⅴ 1 Scope 1 2 Normative references 1 3 Terms and definitions 3 3.1 General terms 3 3.2 Grinding machine parts 4 3.3 Safe Operation Mode (MSO) 5 3.4 Type and category of grinder 6 3.5 Rotation speed and coordinate axis feed speed 11 4 List of main hazards 12 4.1 General requirements 12 4.2 Main hazardous areas 12 4.3 Main hazards and dangerous situations 13 5 Safety requirements and/or measures 16 5.1 General requirements 16 5.1.1 General 16 5.1.2 Requirements for various types of grinder protection devices 16 5.2 Specific requirements for the mechanical hazards summarized in 1.1~1.4, 1.6 and 1.7 in Table 217 5.2.1 Type 1 grinder. manual control grinder without power drive shaft and digital control 17 5.2.2 Grinding machine of type 2.There is a power drive shaft, if applicable, it can be equipped with a manual control grinder with limited digital control capability 19 5.2.3 Type 3 grinder. digital control grinder 19 5.2.4 Tool holding device 21 5.2.5 Workholding 21 5.2.6 Vertical or inclined axis under gravity 21 5.2.7 Machine operation mode 21 5.2.8 Optional or additional device for grinder 25 5.3 Specific requirements for electrical hazards 26 5.4 Specific requirements for noise hazards 27 5.5 Specific requirements for vibration hazards 27 5.6 Specific requirements for radiation risks 27 5.7 Specific requirements for material or substance hazards 27 5.7.1 General requirements 27 5.7.2 Equipment using metalworking cutting fluid 28 5.7.3 Protective measures against fire and explosion hazards 29 5.8 Specific requirements for the dangers of neglecting ergonomics 30 5.9 Specific requirements for accidental start, overtravel or overspeed generation of danger 31 5.10 Specific requirements for hazards arising from speed changes 32 5.11 Specific requirements for dangerous power failure 32 5.12 Specific requirements for dangerous control circuit failure 33 5.13 Specific requirements for the risk of fluid ejection or substance ejection 35 5.13.1 General requirements 35 5.13.2 Protective device to avoid throwing out when the abrasive tool is broken 35 5.13.3 Device to prevent the workpiece and the parts on the workpiece from being thrown out 36 5.14 Specific requirements for hazards arising from lack of stability 36 5.15 Specific requirements for the hazards caused by people slipping, tripping and falling 36 6 Verification of safety requirements and/or protective measures 37 7 Use Information 39 7.1 Sign 39 7.2 Usage information 39 7.2.1 General requirements 39 7.2.2 Tool 41 7.2.3 Workpiece clamping 41 7.2.4 Machine functions acquired by the NC operation panel 41 7.2.5 Restart 41 7.2.6 Noise 41 7.2.7 Vibration 42 7.2.8 Auxiliary loading and unloading equipment 42 7.2.9 Residual risks that should be paid attention to when using machine tools 42 7.2.10 Grinding machine installation instructions 43 7.2.11 Machine cleaning instructions 43 Appendix A (normative) Abrasive protective cover, work area protective device and the combination of the two 44 A.1 General 44 A.2 Abbreviations and symbols 44 A.3 Requirements for abrasive protective covers and work area protective devices 45 A.3.1 Shape and opening angle of the protective cover for abrasive tools 45 A.3.2 Wall thickness and material 53 A.3.3 Composite abrasive protective cover 64 A.3.4 Transparent baffle for bench or floor grinder 65 A.3.5 Work area closure device 66 A.3.6 Observation window attached to the work area closing device 67 A.3.7 Strength verification, test 69 A.4 Design guidelines for abrasive protective covers and connecting devices 69 A.4.1 General 69 A.4.2 Energy of abrasive tool fragments 70 A.4.3 Determine the wall thickness of the abrasive protective cover 70 A.4.4 Design of the connecting device of the abrasive protective cover 71 Appendix B (Informative) Impact Test of Protective Devices---Collision Test 73 B.1 General Principle 73 B.2 Test method 73 B.2.1 Principle 73 B.2.2 Test conditions 73 B.2.3 Test equipment 73 B.2.4 Test sample 74 B.3 Results 74 B.3.1 Damage situation 74 B.3.2 Evaluation 75 B.4 Test report 75 Appendix C (informative) Impact test of protective devices---projectile impact 76 C.1 General 76 C.2 Test method 76 C.2.1 Principle 76 C.2.2 Test conditions 76 C.2.3 Test equipment 76 C.2.4 Test procedure 78 C.3 Test results 78 C.3.1 Damage 78 C.3.2 Evaluation 78 C.4 Test report 79 Appendix D (Normative) Grinding tool clamping method and safety requirements for clamping device 80 D.1 General 80 D.2 Clamping method 80 D.3 General requirements 80 D.4 Flange design 80 D.4.1 Clamping force and tightening torque 80 D.4.2 External clamping diameter, radial width and cover 80 D.4.3 Stiffness 82 D.4.4 Marking of flange 83 D.5 Device for installing abrasive tools with clamping mandrel 83 D.5.1 Centering threaded mandrel 83 D.5.2 Measuring method of radial runout error of spring chuck 84 D.5.3 Abrasive mandrel model 2, 35, 36, 37 (see EN12413) and abrasive tool comparison 84 Appendix E (informative) Noise suppression 89 Appendix F (informative) Noise determination 90 F.1 Method 90 F.2 Operating conditions 90 Appendix G (Normative) Requirements for grinding machines for processing flammable materials and generating explosive dust 91 G.1 Wet grinding equipment (see Figure G.1) 91 G.2 Dry grinding equipment generates wet sedimentation through instant humidification (see Figure G.2) 91 G.3 Dry grinding equipment produces wet sedimentation through a wet collection system (see Figure G.3) 92 Appendix H (Informative) Measures taken when using flammable metalworking cutting fluid 93 H.1 Choosing low-volatility metalworking cutting fluid 93 H.2 Labyrinth-type sealed fireproof structure 93 H.3 Prevent flames from entering the suction and exhaust system 94 H.4 Design of pressure relief surface size 94 Appendix I (informative) Examples of combined exhaust and fire extinguishing measures using flammable metalworking cutting fluids 96 Appendix J (Informative) Functional Safety---Example of Monitoring the Speed Limitation of Grinding Wheel Spindle 97 J.1 General requirements 97 J.2 Security features 97 J.3 Calculation of failure probability 98 Appendix K (informative) MSO3 (special mode optional for manual intervention under restricted operating conditions) Example 100 K.1 General requirements 100 K.2 Example 1.The control of the new NC program running during the setting operation 100 K.2.1 State 100 K.2.2 Security Requirements Realization 101 K.3 Example 2.Positioning of the forming rail on the mobile worktable and dressing of the forming wheel 101 K.3.1 State 101 K.3.2 Implementation of safety requirements 103 Reference 104

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" Drafting. This document uses the redrafting method to modify and adopt ISO 16089.2015 "Safety Fixed Grinding Machine for Machine Tools". The technical differences between this document and ISO 16089.2015 and the reasons are as follows. ---Regarding normative reference documents, this document has made adjustments with technical differences to adapt to my country's technical conditions and adjustments. The situation is collectively reflected in Chapter 2 "Normative Reference Documents", with specific adjustments as follows. ● Replace IEC 60204-1.2009 with GB/T 5226.1-2019 which is equivalent to adopting international standards; ● Replace IEC 60825-1 with GB 7247.1 which is equivalent to adopting international standards; ● Replace ISO 3834-1 with GB/T 12467.1 which is equivalent to adopting international standards; ● Replace IEC 61800-5-2 with GB/T 12668.502-2013 which is equivalent to adopting international standards; ● Replace ISO 4871 with GB/T 14574, which is equivalent to adopting international standards; ● Replace ISO 11161 with GB/T 16655 which is equivalent to adopting international standards; ● Replace ISO 13850 with GB/T 16754 which is equivalent to adopting international standards; ● Replace ISO 13849-1.2006 with GB/T 16855.1-2018 which is equivalent to adopting international standards; ● Replace ISO 447 with GB/T 17161, which is equivalent to adopting international standards; ● Replace ISO 13856-2 with GB/T 17454.2 which is equivalent to the international standard; ● Replace IEC 61000-6-2 with GB/T 17799.2 which is equivalent to adopting international standards; ● Replace IEC 61000-6-4 with GB/T 17799.4-2012 which is equivalent to adopting international standards; ● Replace ISO 14122-1 with GB/T 17888.1 which is equivalent to adopting international standards; ● Replace ISO 14122-2 with GB/T 17888.2 which is equivalent to adopting international standards; ● Replace ISO 14122-3 with GB/T 17888.3 which is equivalent to adopting international standards; ● Replace ISO 14122-4 with GB/T 17888.4 which is equivalent to adopting international standards; ● Replace ISO 14119.1998 with GB/T 18831-2017, which is equivalent to the international standard; ● Replace ISO 5817 with GB/T 19418-2003, which is equivalent to adopting international standards; ● Replace ISO 15607 with GB/T 19866 which is equivalent to adopting international standards; ● Replace IEC 62061 with GB 28526 which is equivalent to adopting international standards; ● Replace ISO 2553 with GB/T 324, which is modified to adopt international standards; ● Replace ISO 4413 with GB/T 3766-2015 modified to adopt international standards; ● Replace ISO 14120.2002 with GB/T 8196-2018 which is modified to adopt international standards; ● Replace ISO 14118.2000 with GB/T 19670-2005, which is modified to adopt international standards; ● Replace ISO 9606-2 with GB/T 24598 modified to adopt international standards; ● Deleted ISO 19719 and EN1127-1; ● Added GB/T 16251, GB/T 18717.1 and GB/T 18717.2; ---Added "provide warning signs" [see 5.2.1c)4) and 5.2.2e)4)], because domestic manual machine tools cannot do 1), 2), 3) Requirements to adapt to the actual situation of most SMEs; ---Added "(except the lateral feed mechanism of external cylindrical grinding machine tool)" [see 5.9e)1)i] to adapt to the horizontal The structural characteristics of the feed mechanism; ---Added "If the material of the abrasive protective cover is made of a rolled steel plate with a tensile strength of not less than 415N/mm2, the wall thickness of the circumferential plate is tp The wall thickness ts of the side panel and the side panel can be used not less than the value listed in Table A.8; if the Q235 rolled steel plate with better welding performance is selected (resistant The tensile strength is 375N/mm2~460N/mm2), and its wall thickness should not be lower than the value listed in Table A.8; when the tensile strength is not low When using 150N/mm2 gray cast iron, its wall thickness should not be lower than the value listed in Table A.9; when malleable cast iron is selected, its wall thickness should not be lower than that listed in Table A.9. Should be lower than 2 times the value listed in Table A.8."(See A.3.2.1 and Table A.8, Table A.9) to adapt to the actual situation of my country's grinding machine industry Happening. This document has made the following editorial changes. ---The standard name was changed to "Safety Fixed Grinding Machine for Machine Tool"; ---Deleted the description part in the scope (see Chapter 1). Please note that some of the contents of this document may involve patents. The issuing agency of this document is not responsible for identifying patents. This document was proposed by China Machinery Industry Federation. This document is under the jurisdiction of the National Standardization Technical Committee for Metal Cutting Machine Tools (SAC/TC22). Drafting organizations of this document. Shanghai Machine Tool Works Co., Ltd., National Machine Tool Quality Supervision and Inspection Center, Shanghai Xinsama Machine Tool Co., Ltd., Zhejiang Hangzhou Machinery Co., Ltd., Beijing Second Machine Tool Works Co., Ltd., Guilin Guibei Machinery Co., Ltd., Xinxiang Risheng CNC Bearing Equipment Co., Ltd. Co., Ltd., Qinchuan Machine Tool Group Co., Ltd., Anqing Machine Tool Co., Ltd., Beijing University of Technology. The main drafters of this document. Wang Xuedong, Chen Wei, Zhang Wei, Fang Xiaoyan, Chen Weiju, Sun Keji, Zhang Jinlian, Zhang Xiulan, Chen Yanyan, Cheng Jie, Cai Xinjuan, Qian Mei, Jiang Guizhen, Kong Yan, Hu Wanliang, Qiu Zhuoming, Ye Hao, Li Shulin, Liu Zhifeng. Machine tool safety fixed grinder

1 Scope

This document specifies the following types of stationary grinders that complete metal processing by grinding to eliminate hazards or reduce risks and/or Measures. ---1 category. Manually controlled grinders with no power drive shaft and no digital control. ---2.Manually controlled grinders with power drive shafts and limited digital control capabilities if applicable. ---3 category. digital control grinder. Note 1.For detailed information about the classification of grinders, see the definitions in 3.1 and 3.4. Note 2.The requirements of this document usually apply to all types of grinders. If some requirements only apply to a certain type of grinder, it will be clearly indicated which type of grinder. This document is also applicable to machine tools or grinding units integrated in automatic production lines, because the hazards and risks associated with such machine tools are independent of each other. The working machine tool is quite. This document does not apply to fixed honing machines, polishing machines and abrasive belt grinders, nor does it apply to IEC 61029-2-4 and IEC 61029-2-10 Of portable power tools.

2 Normative references

The contents of the following documents constitute the indispensable clauses of this document through normative references in the text. Among them, dated quotations Only the version corresponding to that date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to This document. GB/T 324 Symbol notation for welds (GB/T 324-2008, ISO 2553.1992, MOD) GB/T 3766-2015 General rules and safety requirements for hydraulic transmission systems and their components (ISO 4413.2010, MOD) GB/T 5226.1-2019 Electrical safety of machinery Electrical equipment of machinery Part 1.General technical conditions (IEC 60204-1. 2016, IDT) GB 7247.1 Safety of laser products Part 1.Equipment classification and requirements (GB 7247.1-2012, IEC 60825-1..2007, IDT) GB/T 7932-2017 General rules and safety requirements for pneumatic systems and their components (ISO 4414.2010, IDT) GB/T 8196-2018 General requirements for the design and manufacture of fixed and movable protective devices for mechanical safety protection devices (ISO 14120.2015, IDT) GB 11291.1-2011 Safety requirements for robots used in industrial environments Part 1.Robots (ISO 10218-1.2006, ISO 10218-1/Cor.1.2007, IDT) GB/T 12467.1 Quality Requirements for Fusion Welding of Metallic Materials Part 1.Selection Criteria for Corresponding Grades of Quality Requirements (GB/T 12467.1- 2009, ISO 3834-1.2005, IDT) GB/T 12668.502-2013 Speed control electric drive system Part 5-2.Safety requirements function (IEC 61800-5-2. 2007, IDT) GB/T 14574 Labeling and verification of noise emission values of acoustic machinery and equipment (GB/T 14574-2000, eqvISO 4871. 1996) GB/T 15706-2012 General Principles of Mechanical Safety Design Risk Assessment and Risk Reduction (ISO 12100.2010, IDT) ......

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Question 1: How long will the true-PDF of GB/T 40330-2021_English be delivered?

Answer: Upon your order, we will start to translate GB/T 40330-2021_English as soon as possible, and keep you informed of the progress. The lead time is typically 7 ~ 11 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 40330-2021_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 40330-2021_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.