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GB 26503-2011: Rapid prototyping machines -- Technical requirements for safeguarding
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GB 26503-2011	English	299	Add to Cart	3 days [Need to translate]	Rapid prototyping machines -- Technical requirements for safeguarding	Valid	GB 26503-2011

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Standard similar to GB 26503-2011

GB 20775 GB 16454 GB/T 38193 GB 46037 GB/T 14896.1 GB/T 23480

Basic data

Standard ID	GB 26503-2011 (GB26503-2011)
Description (Translated English)	Rapid prototyping machines -- Technical requirements for safeguarding
Sector / Industry	National Standard
Classification of Chinese Standard	J59
Classification of International Standard	25.080.99
Word Count Estimation	13,127
Date of Issue	2011-05-12
Date of Implementation	2012-04-01
Quoted Standard	GB 2893; GB 2894; GB 5226.1-2008; GB 7247.1; GB/T 14896.7-2004; GB/T 15706.1-2007; GB/T 16769-2008; GB 18490-2001; GB/T 18569.1-2001; GB/T 18569.2-2001; GB 20775-2006; GB 25493-2010
Regulation (derived from)	Announcement of Newly Approved National Standards No. 6 of 2011
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 rapid prototyping machine safety technical requirements. This standard applies to all types of rapid prototyping machine (hereinafter referred to as"Machine").

GB 26503-2011: Rapid prototyping machines -- Technical requirements for safeguarding

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Rapid prototyping machines.Technical requirements for safeguarding ICS 25.080.99 J59 National Standards of People's Republic of China Rapid prototyping tool safety technical requirements Issued on. 2011-05-12 2012-04-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Introduction Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions 4 Dangerous List 3 5 Safety requirements and measures 3 6 Use the information (see inspection 7.12) 5 Check 7 6 Safety requirements Dangerous List Appendix A (informative) related to this standard 9

Foreword

The standard Chapter 5 - Chapter 7 are mandatory, the rest are recommended. This standard was drafted in accordance with GB/T 1.1-2009 given rules. The standard proposed by China Machinery Industry Federation. The standard machine tools by the National Standardization Technical Committee (SAC/TC161) centralized. This standard was drafted. Xi'an Jiaotong University, Rapid Manufacturing National Engineering Research Center, Suzhou EDM Machine Tool Research Institute Limited. The main drafters of this standard. Zhao Wanhua, Songsong Hui, Yu Zhi three, Wang Ying, Lu Bingheng. Rapid prototyping tool safety technical requirements

1 Scope

This standard specifies the technical requirements for safety rapid prototyping machine. This standard applies to all types of rapid prototyping machine (hereinafter referred to as the "Machine").

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB 2893 Safety colors (ISO 3864-1) GB 2894 Safety Signs and use guidelines GB 5226.1-2008 Safety of machinery - Electrical machinery and electrical equipment - Part 1. General requirements (IEC 60204-1.2005) GB 7247.1 Safety of laser products - Part 1. Equipment classification, requirements and user guide (IEC 60825-1) GB/T 14896.7-2004 machine tools - Terminology - Part 7. Rapid Prototyping Machine GB/T 15706.1-2007 Safety of machinery - Basic concepts, general principles for design - Part 1. Basic terminology, methodology (ISO 12100-1.2003) GB/T 16769-2008 Metal-cutting machine noise level measurements GB 18490-2001 Laser processing machines - Safety requirements (ISO 11553.1996) GB/T 18569.1-2001 Safety of machinery decreased from hazardous substances emitted by machinery health risk - Part 1. for Machinery manufacturers principles and norms (ISO 14123-1.1998) GB/T 18569.2-2001 Safety of machinery decreased from hazardous substances emitted by machinery health risk - Part 2. Generate Method validation procedures (ISO 14123-2.1998) GB 20775-2006 fused deposition rapid prototyping tool safety technical requirements GB 25493-2010 laser energy for the processing of rapid prototyping tool safety technical requirements

3 Terms and Definitions

GB/T 14896.7-2004 and as defined in the following terms and definitions apply to this document. 3.1 Dangerous hazard Potential source of harm. Properties. (mechanical and electrical hazards such as dangerous), or the potential harm (for example. Note 1. The "dangerous" by the origin of the term may shock hazard, cutting hazard, poisoning Hazard and fire hazard) limitation. Note 2. The definition of hazards include. --- Danger during intended use of the machine always present (for example. the movement of hazardous moving parts, generated during the welding arc, unhealthy Posture, noise emission, high temperature); --- Dangerous accidents occur (for example. explosions, accidental activation of a crushing hazard caused by the leak caused by the injection, acceleration/deceleration caused by the fall). [GB/T 15706.1-2007, the definition 3.6] 3.2 Harm hurt Physiological damage or harm to health on. [GB/T 15706.1-2007, the definition 3.5] 3.3 Risk risk The severity of injury and the probability of occurrence of harm synthesis. [GB/T 15706.1-2007, the definition 3.11] 3.4 Danger zone dangerzone So that personnel exposed to dangerous machinery any space within and/or around. [GB/T 15706.1-2007, the definition 3.10] 3.5 Security safeguarding Use safety guards protect personnel measures. These protective measures Keep people away from the danger that can not be reasonably eliminated or by Inherently safe design methods can not adequately reduce the risks. [GB/T 15706.1-2007, the definition 3.20] 3.6 Operator operator The machine tool installation, use, adjustment, maintenance, repair or transport personnel. [GB 20775-2006, the definition 3.6] 3.7 Guard guard An integral part of the machine, for providing a physical barrier protection. Note 1. The guard can. --- Alone, for movable guards only when it is "closed" when valid for fixed guards, only when it is in the "lock Position "only effective; --- Interlocking devices with or without guard locking binding, in this case, no matter what position the protective device is able to play a protective effect. Note 2. The design, according to the guard may be called casing, cover, cover, screen, door and closed-end devices. [GB/T 15706.1-2007, the definition 3.25] 3.8 Interlock interlockingdevice For preventing hazardous machine functions under specified conditions (often referred to as long as the guard is not closed) running mechanical, electrical or other Type of device. [GB/T 15706.1-2007, the definition 3.26.1] 3.9 Laser laser Mainly through the process of controlled stimulated emission wavelength that is generated or amplified in 180nm ~ 1mm range electromagnetic radiation devices. [GB 7247.1-2001, the definition 3.36] 3.10 Laser radiation laserradiation Wavelength laser products produced by controlled stimulated emission of 180nm ~ 1mm of all electromagnetic radiation. [GB 7247.1-2001, the definition 3.42] 3.11 Molding material formingmaterials Specifically refers to materials for the production of rapid prototyping parts.

4 Dangerous List

Appendix A lists the dangerous scope of this standard, see Table A.1.

5 Safety requirements and measures

5.1 General Requirements (check see 7.1) 5.1.1 The design of the machine to determine the intended function, intended use, when life expectancy should be considered safety precautions. Machine according to prescribed conditions of manufacturing, Installation, commissioning, maintenance, repair, storage, transport and use, the operator and should not harm the environment or pose a danger. 5.1.2 should be eliminated by intrinsically safe method of reducing the risk or hazard, alone or in combination include the following measures. --- Choose appropriate design; --- Select personnel and machine interaction. 5.1.3 intrinsically safe for hazardous by the method can not be avoided or sufficiently limited, security guards should be protected. 5.1.4 the dangers and risks can not be certain because of safety protection device and remains inadequate and should be warning signs in dangerous parts Or signs, should be described in the instructions for use. 5.2 Mechanical hazards and protective (check see 7.2) 5.2.1 The structure and layout of the machine should ensure the availability of adequate stability under predetermined operating conditions, there should be no surprises when using capsize, down Falling or risk of shifting. 5.2.2 should not be exposed parts of the machine may result in injury to the operator of sharp edges, corners, protruding parts or opening. 5.2.3 reciprocating motion machine parts should take reliable limit. Each movement of the shaft should be provided with a reliable dual electrical and mechanical stop means Set to prevent the causing slipping, falling, and dangerous. 5.2.4 Processing Zone using the machine closed structure, the forming room should be set interlocked door. Make sure the guard is closed before the machine can not start Move, reset the interlock safety device should not lead to start the machine. 5.2.5 interlocked guard is opened, the machine should not start or stop working, but harmful temperature control, ventilation and elimination process generated, Toxic, corrosive, irritating liquids, gases, fumes and dust function should not stop. 5.2.6 Machine laser systems, heating systems, sprinklers due safety device to prevent impact, vibration, drop, falling, or at high speed The risk of being thrown out of the movement. 5.3 safety devices (see check 7.3) 5.3.1 Security guards should be done. --- Machines to meet the strength and rigidity required for reliable performance; --- Should not give rise to any additional hazard (eg caused by pinching, shearing, etc.); --- Can be firmly and securely fixed. Security guards 5.3.2 frequent removal should easy assembly and disassembly, and its quality should not exceed 6kg, open the driving force should not exceed 40N, security Guard mounting height should be 0.5m ~ 1.2m. Security (check see 7.4) 5.4 control systems and devices 5.4.1 machine control system should ensure that its features reliable, should be able to withstand the expected workload and outside influences. Fault control system is not It should lead to danger. Safety requirements for electrical control systems should comply with the provisions of GB 5226.1. 5.4.2 Setting machine control device shall ensure that no malfunction and cause additional risk. Prone to malfunction in the control device Should be considered a fault-tolerant design. 5.4.3 machine should be set for each control function control devices, each control device allowed for a controlled manner or mode of operation (eg Automatic control or adjustment, inspection), can also be used in other ways (such as code control) work state selection. Each "start" 5.4.4 machine control device shall be provided close to a "stop" control devices. Shall, each working or operating position An emergency stop control device. Machine emergency stop control device shall comply with the provisions of GB 5226.1-2008 in 10.7. 5.4.5 often observed readings apparatus window height is generally 0.7m ~ 1.7m. Reading device is not frequently used, its window height Allow to 0.3m ~ 2.5m. 5.5 Electrical Hazards and Protection (see 7.5,7.13 checking) 5.5.1 Machine electrical box (cabinet) The degree of protection should be consistent with GB 5226.1-2008 11.3 general industrial use of cabinets IP54 Provisions. Protective bonding circuit 5.5.2 Continuity test machine, pressure test and insulation resistance test should be consistent with the GB 5226.1-2008 Provisions of 18.2 ~ 18.4. 5.5.3 Machine molding indoor electrical equipment (including components) should be consistent with GB 5226.1-2008 4.4.3 and 4.4.6 of the heat, Corrosion requirements. 5.5.4 After the machine power supply is cut residual voltage protection should meet the requirements in GB 5226.1-2008 6.2.4. 5.5.5 anode voltage is higher than an electronic device 5kV work should be carried out X-ray shielding. 5.5.6 Additional safety requirements for machine tools, electrical equipment shall comply with the provisions of GB 5226.1. 5.6 Temperature control safety requirements (see 7.6 inspection) Temperature 5.6.1 fused deposition machine control security requirements should be consistent with the provisions of GB 20775-2006 in 5.6. 5.6.2 laser energy for the processing of rapid prototyping machine temperature control security requirements should be consistent with GB 25493-2010 5.6 Provisions. 5.7 Fire safety requirements (see 7.7 inspection) Laser energy for the processing of rapid prototyping machines shall comply with fire safety requirements specified 25493-2010 GB 5.7 in. 5.8 Hazardous Substances protection requirements (see 7.8,7.14 inspection) 5.8.1 shall GB/T 18569.1-2001 provisions, to take appropriate measures or exhaust fumes and the recycling of materials forming machine produced scattered Particulate matter in the air. Often produces dust production of machine tools, its dust concentration should not exceed 10mg/m3, or should be set vacuum Means. It should be made smoke and particulate matter concentration limits for hazardous substances and materials generated during the forming process in the Instruction Manual Quality and other concentration limits. 5.8.2 Identification of harmful substances, validated methods should be consistent with GB/T 18569.2-2001 provisions. 5.9 laser radiation safety (inspection see 7.9) Laser energy for the processing of rapid prototyping machines laser radiation safety should be consistent with GB 18490-2001 5.3.1 Regulation It is, and should be consistent with GB 25493-2010 5.9 requirements. 5.10 noise (see inspection 7.10) 5.10.1 machine tool noise level should not exceed 70dB (A). Noise measurement machine according to GB/T 16769-2008 requirements. 5.10.2 machine at run time should not be screams and the sound of impact. 5.11 Lighting (see inspection 7.11) 5.11.1 machine should provide the required security work lighting device or lighting device interface reserved on the machine. Electrical safety requirements 5.11.2 machine lighting device shall comply with the provisions of 15.2 GB 5226.1-2008. 6 Use the information (see inspection 7.12) 6.1 Warning and alarm devices 6.1.1 The machine should be equipped with warning devices alarm action. Design of the machine alerts, alarms and other devices, configuration information should be considered to facilitate receive. 6.1.2 Machine operating instructions should be on the setting of warning and alarm device descriptions and inspection requirements. 6.2 signs and symbols 6.2.1 Machine Easy dangerous parts (including guards) should prompt the operator to pay attention to the various safety signs or safety colors occur. Safety Signs should comply with GB 2894, the safety color shall comply with the provisions of GB 2893. 6.2.2 Machine safety signs should be placed in a prominent position, firmly fixed, clear display, and the machine during operation should not be blocked. 6.2.3 Electrical equipment shall comply with GB 5226.1-2008 flag in Chapter 17. 6.3 User's Guide 6.3.1 Overview Instructions regarding safety measures requirements should be comprehensive, specific, clear awareness of the risks facing the operator may, and should be safe Full instructions and safety precautions methods (see 6.3.2 - 6.3.7). Use vector instructions should ensure durability. 6.3.2 Machine transport, handling and storage of information Machine tool transportation, handling and storage of information, including. --- Machine safety storage conditions; --- Machine size, mass and centroid position; --- Machine handling instructions (such as a springboard for lifting equipment); --- Safety requirements for packaging machines and packaging graphic mark. 6.3.3 commissioning the machine delivered information Information commissioning the machine delivered include. --- Fixed machine requirements; --- Machine assembly and installation requirements, such as the installation space requirements; --- Description of the machine to connect the power source (including the requirements of the grounding device); --- Machine permissible ambient conditions, such as ambient temperature, humidity, dust and vibration requirements. 6.3.4 Machine own information The information includes the machine itself. --- Machine noise generated data; --- Machine safety function descriptions and charts. Laser energy for the processing of rapid prototyping machine to the operating instructions and/or operating manual should include the following. --- When operating the machine should wear suitable laser wavelength and power of its protective glasses. --- Voltage and current for driving the laser and its auxiliary equipment is dangerous. It may contain the power capacitor bank, located in After cutting off the power supply equipment, it is also possible to continue for some time before the end of the discharge. Full attention should repair the power supply. Fused deposition rapid prototyping machines used in the specification and/or operating manual should include the following. --- In the nozzle heating and processing operation, forming compartment door can not be opened. After the completion of non-processed or processed state, should ensure forming Indoor temperature safe value in order to open the compartment door molding. --- Prompt needed different materials forming temperature and forming nozzle chamber temperature range. --- For additional information about the safety of the machine. Provide work pressure, temperature and other parameters. 6.3.5 Machine Tool usage information Machine usage information includes. --- Preparation and method of inspection of the machine before use; --- Before using the machine and use the signal indication, safety signs, warning devices and safety guards instructions; --- Machine up and running during the procedures, methods, precautions and preventive measures as well as misuse prone; --- Machine operation possible hazardous situations; --- Machine operation monitoring and recording of the security situation. 6.3.6 machine maintenance information Machine maintenance personnel security technology requirements. Treatment and disposal of hazardous substances 6.3.7 information In the operating manual should remind users. treatment and disposal of hazardous substances generated in the process should be the relevant national and local Performed within the scope permitted by regulations. Installation of accessories The hazardous materials and emissions, the use should be stated.

7 Check security requirements

Machine safety requirements can be checked by inspection, testing and so on. Can be implemented by visual inspection, manual inspection and measurement, etc. CONSTRUCTION. Test is in accordance with a certain method, measuring the corresponding index data through the instrument, draw quantitative and qualitative conclusions (due within the inspection test Yung). 7.1 General inspection (safety requirements see 5.1) Through security analysis, security assessment and other tests, the machine has reached the safety design requirements and security measures are reasonable. 7.2 Check mechanical hazards and protection (safety requirements see 5.2) 7.2.1 component mounting machine and whether solid, safe and reliable. 7.2.2 Easy access to the machine part is flat, there are sharp edges, sharp corners, burrs. 7.2.3 Machine parts reciprocation whether to take a reliable limit; each motion axis (electric) in addition to the electrical limiting, if at the same time Take a reliable mechanical limit measures. 7.2.4 using the machine closed structure, the forming chamber is set interlock door. 7.2.5 Machine interlock protection check triplicate trouble. 7.2.6 Machine laser system, the nozzle heating system is set up safety guards. 7.3 Check safety devices (safety requirements see 5.3) 7.3.1 Setting up the machine safety guards are reasonable, its own rigidity, strength, etc. can be installed to meet the requirements, whether to increase the Additional hazards. 7.3.2 Quality frequent removal of safety equipment, and installation height opening force compliance. 7.4 control security inspection systems and devices (safety requirements see 5.4) 7.4.1 Machine control system functions are reliable, it can withstand the expected workload and outside influences. Are control system failure will lead Cause danger. 7.4.2 prone to misuse the machine control device whether or not a fault-tolerant design. Whether to take measures to prevent accidental activation. 7.4.3 Machine control device working status whether a position corresponding to a controlled manner or mode of operation. 7.4.4 Machine "start", "stop" setting devices and emergency stop devices are correct; the machine emergency stop device can achieve a predetermined function. 7.4.5 Windows machine reading device meets the height requirement. 7.5 Electrical safety inspection (safety requirements see 5.5) 7.5.1 Machine control box (cabinet) meets the requirements of protection class. 7.5.2 Machine control box (cabinet) of earth resistance, insulation resistance and voltage between circuits to meet the requirements. Whether 7.5.3 Electrical equipment forming chamber having a heat resistance, corrosion requirements. 7.5.4 Power and machine whether to take the residual voltage protective measures need to shield the device is effectively shielded. 7.5.5 Machine other electrical equipment meets the provisions of GB 5226.1. 7.6 Temperature control safety inspection (safety requirements see 5.6) Required to check the machine temperature control function. 7.7 Extinguishing System Security checks (security requirements see 5.7) Check machine required extinguishing function. 7.8 Hazardous Substances Safety check (Safety requirements see 5.8) Whether the need for discharge or recycle hazardous substances appropriate accessories or measures; dust, smoke concentration meets the requirements; Description The book prompted whether to make the relevant requirements. 7.9 laser radiation safety inspection (safety requirements see 5.9) 7.9.1 Machine Instructions whether laser radiation safety management measures, production, maintenance and other technical specifications and provisions are described. 7.9.2 Machine isolation measures laser beam is established, technical measures and whether the device is suitable, reasonable and complete. 7.9.3 personnel enter the danger zone protection measures are effective. 7.10 Noise inspection (see 5.10 Security Requirements) Machine noise level is less than or equal to 70dB (A), the operation of the machine if there are screams and the sound of impact. 7.11 Lighting check (see 5.11 Security Requirements) Whether to provide the required illumination device or corresponding interfaces 7.11.1 machine. 7.11.2 on the machine lighting device meets the safety requirements. 7.12 Use of information checks (security requirements, see Chapter 6) 7.12.1 machine signal, warning devices, safety signs and symbols is perfect. 7.12.2 machine all kinds of safety signs and symbols are securely installed, clearly visible. 7.12.3 Instructions machine if the machine is dangerous, protective measures and environmental requirements were clearly stated. 7.12.4 whether the machine operating manual can be durable. 7.12.5 whether the machine provides the instructions for use of different heating temperature of the molding material and the forming chamber temperature range. 7.12.6 Machine Instructions provided information is complete, accurate. 7.13 Electrical safety test (see 5.5 Safety requirements) GB 5226.1-2008 machine should be provisions for the following tests. a) Protective bonding circuit continuity test shall be 18.2 GB 5226.1-2008 in the regulations. b) insulation resistance test shall be 18.3 GB 5226.1-2008 in the regulations. c) the pressure test shall be 18.4 GB 5226.1-2008 in the regulations. 7.14 Detection of harmful substances (type test, safety requirements see 5.8) According to GB/T 18569.1 ~ 18569.2-2001 test.

Appendix A

(Informative) List danger associated with this standard List of Lists dangerous situation with this standard depending on the circumstances related to rapid prototyping machine, see Table A.1. Table A.1 List of Dangerous Dangerous in this standard correspond reg 1.1 1.2 1.3 1.4 Mechanical hazards Sharp edges, sharp corners, sharp edges and other dangers of stab wounds and lacerations Machine tools and parts overturning danger Fall, fall hazard Laser systems, heating systems fall nozzle or other dangerous projectile 5.2 5.2.2 5.2.1 5.2.3 5.2.6 2.1 2.2 BURN HAZARD Danger of burns Fire Hazard 5.6,5.7 5.6.1,5.6.2 5.7 3.1 Electrical Hazard Electrical apparatus for hazardous 5.5 5.5.3 ~ 5.5.6 4.1 4.2 Ergonomics ignore danger arising Dangerous misuse State control set incorrectly 5.4 5.4.2 5.4.3 5.1 5.2 Because of the risk of energy failure, mechanical damage and other parts produced Or fluid control components accidental ejections Vector interrupt control information, control system failure, malfunction 5.2, 5.4 5.2.6 5.4.1 6.1 6.2 6.3 6.4 6.5 Dangerous due to security measures for the wrong or incorrect positioning generated Interlocking guards unreliable dangerous The risk of all types of guard Starting and stopping means danger Safety hazard signals and means The risk of all kinds of information and alarm devices 5.2,5.3,5.4,6 5.2.4,5.2.5 5.3 5.4.4 6.1 6.1,6.2,6.3 7.1 7.2 7.3 Laser radiation risks Direct, reflected and danger caused by io...

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