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GB 22997-2008: Safety of machine tools -- Small numerically controlled turning machines and turning centers
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Basic data | Standard ID | GB 22997-2008 (GB22997-2008) | | Description (Translated English) | Safety of machine tools -- Small numerically controlled turning machines and turning centers | | Sector / Industry | National Standard | | Classification of Chinese Standard | J53 | | Classification of International Standard | 25.040.20 | | Word Count Estimation | 36,340 | | Date of Issue | 2008-12-31 | | Date of Implementation | 2009-10-01 | | Quoted Standard | GB/T 3767-1996; GB/T 3768-1996; GB 4208-2008; GB 5226.1-2002; GB 7247.1-2001; GB/T 8129-1997; GB/T 8196-2003; GB 12265.1-1997; GB 12265.3-1997; GB/T 15706.1-2007; GB/T 15706.2-2007; GB 15760-2004; GB/T 16404-1996; GB 16754-2008; GB/T 16855.1-2008; GB/T 16856.1-2008; GB/T 17248.3-1999; GB/T 17248.5-1999; GB/T 17454.1-2008; GB/T 17454.2-2008; GB/T 18717.1-2002; GB/T 18717.2-2002; GB/T 18831-2002; GB/T 19670-2005; GB/T GB/T 19671-2005; GB 22998-2008; ISO/TR 11688-1-1995; ISO 16156-2004; EN 292-2-1991; EN 614-1-1995; EN 614-2-2000; EN 894-1-1997; EN 894-2-2000; EN 894-3-2000; EN 982-1996; EN 983-1996; EN 1005-1-2001; EN 1005-2-2003; EN 1005-3-2002; EN 1005-4-2005; EN 1050-1996; EN 1070-1998; EN 1837-1999; EN 12840-2000; EN 13788-2001; ENV 26385-1990 | | Adopted Standard | EN 12415-2000, MOD | | Regulation (derived from) | Announcement of Newly Approved National Standards No. 26 of 2008 (total 139) | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This Chinese standard specifies the general-purpose CNC lathes and turning centers (hereinafter referred to as the machine) to eliminate hazards and reduce the risk of safety requirements and/or measures. This standard recognizes the danger see Chapter 4 Table 1. This standard applies to: clamping unit's maximum diameter to 500 mm, the maximum distance to the top of 2000 mm CNC horizontal lathes and turning centers, holding means maximum diameter up to 500 mm CNC vertical lathe, spindle inverted machine tools (including improved) and turning centers. Large-sized CNC lathes and turning centers perform or execute the standard GB 22998-2008. This standard also applies as an integral part of the machine tool accessories such as: tools, chuck, workpiece, cutting device and chip devices. This standard also applies to automatic processing lines consisting of lathes or turning unit, when they generate the dangers and risks associated with individual processing machine similar to when. Given in this standard addition method is based on the criteria listed in references. This standard applies to single-axis automatic lathes, does not apply to multi-spindle automatic lathes (see EN 13788 | GB 22997-2008: Safety of machine tools -- Small numerically controlled turning machines and turning centers
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Safety of machine tools.Small numerically controlled turning machines and turning centres
ICS 25.040.20
J53
National Standards of People's Republic of China
Machine safety small size CNC lathes and turning centers
(EN12415.2000, MOD)
Published 2008-12-31
2009-10-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China issued
Table of Contents
Preface Ⅰ
Introduction Ⅱ
1 Scope 1
2 Normative References 1
3 Definitions 3
4 4 Dangerous List
5 Safety requirements and/or measures 10
6 Use the information 18
About 7 GB 15760-2004 20
Appendix A (informative) check security features 21
Annex B (normative) lathe guard 23 --- impact testing
Annex C (normative) Impact test apparatus and materials used in the test example 26
Measuring machine noise emission Annex D (normative) 28
Calculation Annex E (normative) direct impact energy 29
EU Directive Annex F (informative) involved in this standard essential requirements and other EU Directives 30
Reference 31
Foreword
This standard 5.3.1,5.3.2,5.3.4 are recommended, the rest are mandatory.
This modified using standard EN12415.2000 "Safety of machine tools small size CNC lathes and turning centers" (in English).
This standard is based on EN12415.2000 redrafted.
This standard EN12415.2000 as compared to the main technical differences are.
Chapter 1 --- Added "Simple CNC lathe can be performed with reference to this standard";
--- deleted Chapter 1, "The standard is applicable after the date of implementation of machine tool manufacturing to this standard";
--- increased Chapter 7, "on GB 15760-2004";
--- Press amendments EN12415.2000/A1.2002 has been modified (see 5.2.2,6.2, B.2.3, Table C.1 and Appendix E).
For convenience, the standard editorial changes were made as follows.
The term --- "this European Standard" to "this standard";
--- deleted EN12415.2000 Foreword;
--- to EN12415.2000 references to other international standards and European standards, it has been adopted as the standard of our country, by our standards
Instead of corresponding international and European standards, our country has not been adopted as a standard direct reference to international and European standards;
--- Appendix B of B. 2.2.2 steel symbol indicating performance parameters according to a predetermined country;
--- "Annex ZA" to "Appendix F".
Since October 1, 2009, manufacturers of products should be the implementation of this standard; since October 1, 2010, should stop the market
Only sales do not meet this standard product.
Annex D of this standard is normative, Appendix A, to Appendix B, appendix C, and Appendix E Appendix F is information appendix.
The standard proposed by China Machinery Industry Federation.
This standard by the National Standardization Technical Committee of metal-cutting machine tools (SAC/TC22).
This standard was drafted. Beijing Machine Tool Research Institute.
The main drafters. Zhang Wei, Lixiang Wen, Zhao Qin Zhi.
This standard is the first release.
Introduction
This standard is based on the harmonized European standard EN12415.2000 and EN12415.2000/A1.2002 enacted. Harmonized European standards
EN12415.2000 and EN12415.2000/A1.2002 main provider of basic safety requirements in line with EU Machinery Directive and associated
Means EFTA (European Trade Association) rules.
This safety standard class C standard GB/T 15706.2-2007 predetermined.
Covered by this standard risk category in the "range" has been noted. This standard does not take into account for legacy danger, according
GB/T 15706.1-2007 and the relevant provisions of GB/T 15706.2-2007 take appropriate safety precautions.
This standard is used for the target machine designers, manufacturers, distributors and importers.
In this standard also gives safety information provided by the manufacturer to the user.
Machine safety small size CNC lathes and turning centers
Range 1
This standard specifies the safety requirements for CNC lathes and turning centers for general purposes (hereinafter referred to as the machine) to remove the danger and risk reduction
And/or measures.
This standard identified risk shown in Table 1, Chapter 4 in.
This standard applies to.
--- maximum outer diameter of the clamping device to 500mm, from the top to the maximum horizontal lathe and 2000mm CNC turning center;
--- maximum outer diameter of the clamping device to the CNC vertical lathe, machine tool spindle inverted 500mm (including the improved) and turning centers.
Large-sized CNC lathes and turning centers can perform the standard or implementation of GB 22998-2008.
This standard is also applicable to the annex as an integral part of the machine, such as. tool, chuck, workpiece, cutting means and the chip conveyor.
This standard is also applicable to form an automatic lathe or turning unit of the processing line, hazard and risk when they produce the individual processing machines
When the bed is similar.
Additional methods given in this standard is based on the standard references listed.
This standard applies to single spindle automatic lathes, multi-axis automatic lathes does not apply (see EN13788.2001).
This does not apply to the standard EN12840.2000 related CNC machining required manually controlled (NC) lathe (without the programmable controller
System device).
Simple CNC lathe may refer to this standard.
2 Normative references
Terms of the following documents become provisions of this standard by reference in this standard. For dated reference documents, all later
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to agreements based on this standard
Whether the latest versions of these documents. For undated references, the latest version applies to this standard.
Engineering method of noise sources sound power level a reflecting plane free field GB/T 3767-1996 sound pressure
(Eqv ISO 3744.1994)
GB/T 3768-1996 Determination of sound pressure of sound power levels of noise sources using an enveloping surface reflectance measuring surface Simple Method
(Eqv ISO 3746.1995)
GB 4208-2008 shell protection (IP code) (IEC 60529.2001, IDT)
GB 5226.1-2002 Safety of machinery Electrical Equipment Part 1. General requirements (IEC 60204-1.2000,
IDT)
GB 7247.1-2001 Safety of laser products Part 1. Equipment classification, requirements and user's guide (idt IEC 60825-1.
1993)
GB/T 8129-1997 industrial automation system of the machine numerical control word (idt ISO 2806.1994)
GB/T 8196-2003 mechanical safety of fixed and movable guards General requirements for design and manufacture
(ISO 14120.2002, MOD)
GB 12265.1-1997 Safety of machinery - Safety distances to prevent danger zones of the upper limbs (eqvEN294.1992)
GB 12265.3-1997 mechanical safety minimum distance to avoid crushing of parts of the human body (eqvEN349.1993)
GB/T 15706.1-2007 Safety of machinery basic concepts general principles for design - Part 1. Basic terminology and methods
(ISO 12100-1.2003, IDT)
GB/T 15706.2-2007 basic concepts of mechanical safety and General Design - Part 2. Technical Principles (ISO 12100-2.
2003, IDT)
GB 15760-2004 metal cutting machine tool safety general technology condition
Determination of the noise source GB/T 16404-1996 sound intensity of sound power levels - Part 1. Measurement at discrete points
(Eqv ISO 9614-1.1993)
GB 16754-2008 mechanical design principles of safety emergency stop (ISO 13850.2006, IDT)
GB/T 16855.1-2008 mechanical safety control system safety components - Part 1. General principles for design (ISO 13849-1.
2006, IDT)
GB/T 16856.1-2008 Safety of machinery - Risk assessment - Part 1. Principles (ISO 14121-1.2007, IDT)
GB/T 17248.3-1999 for machinery and equipment noise emitted operative position and the other specified emission sound pressure levels
Measuring method in situ (eqv ISO 11202.1995)
GB/T 17248.5-1999 for machinery and equipment noise emitted operative position and the other specified emission sound pressure levels
Measurement environment Amendment Act (eqv ISO 11204.1995)
GB/T 17454.1-2008 mechanical safety sensitive protective devices - Part 1. Pressure-sensitive and pressure sensitive floor mats designed and tested on
Then (ISO 13856-1.2001, IDT)
GB/T 17454.2-2008 mechanical safety sensitive protective devices - Part 2. Pressure-sensitive and pressure-sensitive rod side design and testing of General
(ISO 13856-2.2005, IDT)
GB/T Ergonomic design - Part 1 18717.1-2002 a mechanical safety. the opening size of the body into the correct machine
Fixed principles (ISO 15534-1.2000, NEQ)
Ergonomic design - Part 2 GB/T 18717.2-2002 a mechanical safety. the body into an opening machine foot
Inch determining principles (ISO 15534-2.2000, NEQ)
GB/T 18831-2002 mechanical interlock designed belt guard and selection policy (ISO 14119.1998,
MOD)
GB/T 19670-2005 Safety of machinery - Prevention of unexpected start (ISO 14118.2000, MOD)
Means functions and design principles GB/T 19671-2005 mechanical safety hand manipulation (ISO 13851.2002, MOD)
GB 22998-2008 machine safety of large-sized CNC lathes and turning centers (EN12478.2000, MOD)
ISO /T R11688-1.1995 acoustic equipment and machinery to reduce noise design procedures of Part 1. Design
ISO 16156.2004 Safety of machine tools chuck design and structural safety requirements 1)
1) is transformed into equivalent national standard GB 23290-2009.
EN292-2.1991/A1.1995 Safety of machinery - Basic concepts, general principles for design Part 2. Technical principles and specifications
EN614-1.1995 Mechanical Design principles Ergonomics of human security - Part 1. General principles and terminology
EN614-2.2000 Safety of machinery design principles of ergonomics - Part 2. interactions between mechanical design and each task
EN894-1.1997 Safety of machinery and the display control operation of the actuator design man - machine engineering requirements - Part 1. Human and display
General acting between the drive and control
EN894-2.1997 Safety of machinery and the display control operation of the actuator design man - machine engineering requirements - Part 2. Display
EN894-3.2000 Safety of machinery and the display control operation of the actuator design man - machine engineering requirements - Part 3. control operation
Actuator
EN982.1996 Safety requirements for mechanical and hydraulic components of the security system
EN983.1996 Safety requirements for mechanical and pneumatic system security element
EN1005-1.2001 Safety of machinery human properties - Part 1. Terms and definitions
EN1005-2.2003 Safety of machinery body properties - Part 2. the machine and manually operated member
EN1005-3.2002 Safety of machinery - Human physical performance - Part 3. Recommended force limits of the machine manipulation
EN1005-4.2005 Safety of machinery - Human physical performance - Part 4. Evaluation of working postures manipulate the machine
EN1050.1996 Safety of machinery - Risk assessment
EN1070.1998 Safety of machinery term
EN1837.1999 Safety of machinery tools of global illumination
EN12840.2000 Safety of machine tools manual lathe
EN13788.2001 Safety of machine tools multi-axis automatic lathes
ENV26385.1990 Ergonomic principles of design of work systems
3 Terms and Definitions
GB/T 15706.1-2007, GB 16754-2008 and EN1070.1998 and established the following terms and definitions apply to the present
standard.
3.1
CNC lathe is a main movement of the workpiece relative to the tool rotation, the cutting work can be provided instead by the CNC machine tool.
NOTE. This class provides an automatic numerical control machine functions.
3.2
Turning center is equipped with a power driven tool means, and clamp the workpiece spindle about its axis CNC machine having a positioning capability.
NOTE. Such tools may include additional features, such as may be performed by the automatic tool change magazine.
a) CNC horizontal lathe
b) Vertical lathe NC
FIG example CNC lathe 1
3.3
Note. The definition of NC works as follows.
NC work
NC or data input device may be translated into an input function is executed.
a) manual work of NC
Digital data without operator control of a machine tool non-automatic mode of operation. Such as. machine tool control buttons or joysticks.
b) manual data entry work
The information of the machining program by hand incoming NC apparatus.
c) the single program works
A way of working CNC machine tools. When using this mode of operation, activated by the operator, then the machine tool in an automatic mode of operation
In operation, when the control data of one block is completed, it stops working.
d) automatic operating mode
A way of working CNC machine tools. When using this mode of operation, operation is carried out in accordance with a control program, by the program, or until the operation
On the machine stops.
3.3.1
Refers to the production of work machine automatic, continuous operation in accordance with a control program until the program (or operator) stop. In this working party
Formula, may be manually or automatically loading and unloading a workpiece handling device.
3.3.2
Refers to a way of adjustment in order to perform a step, the operator needs to be adjusted.
Available control program, and manual test (in holding power) of the machine for discontinuous operation.
NOTE. This includes then checks the mode of operation, check the tool and/or workpiece positioning program (including the tool touches the workpiece or an indicator).
4 Schedule of Hazards
Identified predetermined GB/T 15706.1-2007 in Chapter 4 of GB/T 16856.1-2008 risk Table 1.
Eliminate the risk and reduce the risk of safety requirements and/or measures in Chapter 5.
Note. For the press GB/T 16856.1-2008 identification of risk assessment, and the additional risk involved in this standard does not, according to GB/T 15706.1-2007
And GB/T 15706.2-2007 take safety measures to eliminate the risk and risk reduction.
Machine designers should pay particular attention to the danger that occurred during the life of the machine, such as. under predetermined conditions, operators and other personnel into
Into the danger zone, as well as some foreseeable misuse (see GB/T 15706.1-2007 3.22). It must also be considered during machine operation and/or
Requires the operator and/or operator intervention (such as. adjustment, cleaning and maintenance) generated when the risk of others. Fault Analysis of machine components including
Failure of the control system, the risk evaluation in the relevant content GB/T 16855.1-2008's.
This standard relates to the danger in Table 1. Particular attention should be following hazards.
--- cutter, jaws or other portions of the workpiece (including chips) and the like thrown risk (see 17 in FIG. 1);
--- winding machine or hazardous moving parts involved, in particular chucks, the tool and the workpiece (see Table 1 in 1.4 and 1.5);
Risk of crushing and shearing between the moving portion and the fixed tool ---/moving part (see Table 1 in 1.1 and 1.2).
The main danger zone are.
Spindle, the workpiece holder --- motion (eg. chuck), slide, turret, the tool, the workpiece, the dust extractor (eg. as an integral) work
Workspace;
--- loading and unloading apparatus comprising a horizontal lathe bar feed means;
--- tool magazine and tool changer.
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And/or safety requirements measures 5
Safety requirements of small size CNC lathes and turning centers and/or measures shall comply with the provisions of this chapter. Furthermore, this standard does not involve
To unidentified hazards should be GB /15706.1-2007 in Chapter 5 of the T machine design.
For risk reduction through design see GB/T 15706.2-2007 of Chapter 4; to reduce the risk by taking security measures
See GB/T 15706.1-2007 Chapter 4.
Control system 5.1 General Requirements
Safety control system should meet the requirements GB /Chapter 4 15706.2-2007 T, and the requirements of this standard 5.1.1 - 5.1.10.
5.1.1 Safety and reliability of control systems
In this standard, the control of the control system safety components starting from an actuator (control means), or trigger point, ending in the final working machine
Output. (such as motor) or a configuration element.
The control system safety components include the following features, and should meet the categories defined below (see GB/T 16855.1-2008)
Claim.
--- starting or restarting, Class 1 (see 5.1.3);
--- operation stop, category 1 (see 5.1.4);
--- the maximum spindle speed is selected, the Class 2 or Class 3 (see 5.1.8);
--- emergency stop, Class 1 or 3 (see 5.1.5);
--- mode selection, Class 1 (see 5.1.7);
--- interlock, Class 1 or 3 (see 5.2.3);
--- interlock with lock protection class 3 (see 5.2.4.2);
--- movement axis (including low feed), Class 2 (see 5.1.8);
--- with self-reset control means, class 3 (see 5.1.7.2);
--- workholding, Class 1 (see 5.2.1).
For some control systems use different types of safety member in combination, should be at least the same level of ability to withstand failure (see
GB/T 16855.1-2008 6.3).
Verification. Check the appropriate pattern and/or circuit diagrams, visual inspection, purchased parts manufacturer provides proof of compliance with the relevant standards.
5.1.2 position control device
Position control means should meet GB 5226.1-2002 in Chapter 10 EN894-1.1997, EN894-2.1997,
EN894-3. the relevant provisions of 2000's (see 5.1.5).
Verify. check the corresponding drawings, visual inspection.
5.1.3 start
Starting and restarting shall be as specified in 9.2.5.2 GB 5226.1-2002 and all effective guard bar in the machine tool
Carried out under pieces. Interlock device shall comply with the provisions of 5.1.7.1 and 5.1.7.2.
Start and restart function should meet the requirements of Class 1 GB/T 16855.1-2008 in.
Starting with the different functions of the machine work related to the selected (see 5.1.7).
When the movable guard is closed, not self-start moving member. Unless provided with pressure sensitive film on a power driven guard, the guard
After the device is closed, without restarting (see 5.2.4.3).
When the moveable guard disengaged shall GB/T specified in Chapter 6 19670-2005, prevent the workpiece spindle, movement of the shaft, the tool holder,
Unexpectedly tailstock sleeve, the tool and workpiece fixture dangerous operation start.
In a production mode of operation, only under conditions of closure means movable guard, start or restart the machine.
Verification. Check the appropriate pattern and/or circuit diagrams, inspection and functional checking.
5.1.4 stop running
In operating the machine should be stopped by stopping the operation of the device implementation. Running stop (in line with GB 5226.1-2002 9.2.2
Supply power chuck) and NC control systems. motor, a workpiece (e.g., a predetermined driving stop requirement category 2), without interruption to the axis motion. Correct
Holding force required to clamp the workpiece spindle, a spindle drive should be equipped with a monitor. The monitor should satisfy the GB/T 16855.1-2008 stipulated
Class 3 requirements.
When the machine stops running, disengaging movable guards should be maintained at the machine stops Class 2 (see GB 5226.1-2002 9.2
And the GB/T 19670-2005 6.4) performed.
Movement stop function should meet the requirements of Class 1 GB/T 16855.1-2008 in.
Since the control system security component failure caused when the operation is stopped, it shall comply with Class 1 stop in 9.2 GB 5226.1-2002 prescribed
Stop requirements (see 5.2.2).
Verification. Check the respective drawings and/or circuit diagrams, inspection and functional checking.
5.1.5 Emergency Stop
Emergency stop function shall conform to category 1 stop in GB 5226.1-2002 requirements specified in 9.2.2, and shall comply with GB 5226.1-
2002 9.2.5.4 and the relevant provisions of GB/T 16754-2008's.
If the emergency stop function of the hard-line control design should meet the requirements of Class 1 GB/T 16855.1-2008 in. for
Other conditions (such as. software control, etc.) should meet the requirements of class 3 GB/T 16855.1-2008 in.
Start emergency stop function of the emergency stop device should meet the requirements of 10.7 GB 5226.1-2002. In each operating position should
An emergency stop device is provided, such as.
--- the main operation platform;
--- portable operating table (if any);
--- loading and unloading of the workpiece (for example. when away from the main console);
--- When the separation magazine and work area, library and knife near the fence or (if the body could be close).
Verification. Check the respective drawings and/or circuit diagrams, inspection and functional checking.
5.1.6 Access NC program
In a production mode of operation, can be modified in a programmable function access procedures, such as. tool offset correction and the like. To prevent unauthorized
Personnel access to program data or programmable functions, these functions must be closed, the switch can be a password or key (see 6.2.9).
Verification. Check the respective drawings and/or circuit diagrams, inspection and functional checking.
5.1.7 Mode Selection
For the production of work and adjustment work, the work should set the mode selection switch, the selection switch to lock in the selected mode, and
And shall comply with EN292-2.1991/A1.1995 in A. GB 5226.1-2002 1.2.5 and 9.2.3 in the relevant provisions (see FIG. 2).
Mode Select the device should ensure that only a work function at any time.
Mode selection function should meet the requirements of Class 1 GB/T 16855.1-2008 in.
In addition, it should be required to carry out security measures 5.1.7.1 and 5.1.7.2 in each operation mode.
Verification. Check the respective drawings and/or circuit diagrams, inspection and functional checking.
5.1.7.1 Production work
In a production mode of operation, when the movable guard is disengaged, the m...
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