GB 22449-2008 English PDF

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GB 22449-2008: General specifications for the safety of balancing machines
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB 22449-2008	209	Add to Cart	3 days	General specifications for the safety of balancing machines	Valid

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Basic data

Standard ID: GB 22449-2008 (GB22449-2008)
Description (Translated English): General specifications for the safety of balancing machines
Sector / Industry: National Standard
Classification of Chinese Standard: N46
Classification of International Standard: 37.040.10
Word Count Estimation: 9,972
Date of Issue: 2008-10-07
Date of Implementation: 2009-09-01
Quoted Standard: GB 4943-2001; GB 7247.1; IEC 60073
Regulation (derived from): Announcement of Newly Approved National Standards No. 19 of 2008 (No. 132 overall)
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 color photographic processing system security technical requirements and test methods. This standard applies to silver halide color photographic processing flushing process imaging equipment, digital color photographs and other output devices can be implemented by reference.

GB 22449-2008: General specifications for the safety of balancing 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.
General specifications for the safety of balancing machines ICS 37.040.10 N46 National Standards of People's Republic of China Color wash equipment security requirements 2008-10-07 release 2009-09-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

All the technical contents of this standard is mandatory. The standard proposed by China Machinery Industry Federation. This standard by the National Photographic Machinery Standardization Technical Committee (SAC/TC107) centralized. This standard was drafted. Hangzhou Photographic Machinery Research Institute, Noritsu (Shanghai) Electronic Equipment Manufacturing Co., Ltd., Hangzhou Veyron Trade and Industry has Limited. Drafters of this standard. Wu and Xiang, Zhou Gang, Matsumoto charge Secretary, Zhang Ying Heng, Jin Wei Geng, ZHANG Lin Jun. This standard is the first release. Color wash equipment security requirements

1 Scope

This standard specifies the color photographic processing system security technical requirements and test methods. This standard applies to silver imaging flushing process color photographic processing equipment, digital and other color photo output device can be implemented by reference.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB 4943-2001 Safety of information technology equipment (eqv IEC 60950.1999) GB 7247.1 Safety of laser products - Part 1. Equipment Classification, Requirements and User's Guide (GB 7247.1-2001, idt IEC 60825-1.1993) Fundamentals and safety principles of the pointing device and regulator coding theory IEC 60073 machine interface, marking and identification with the (English)

3 Terms and Definitions

The following terms and definitions apply to this standard. In use "voltage" and "current" these two definitions, the absence of other provisions, refers to all Valid values. 3.1 Having a member of one or more functions of the device under the 3.1. NOTE. One type of housing can be another type of shell inside (for example. mechanical protection in case of fire inside the protective shell, or fire protection in housing Mechanical protective shell inside). Further A shell can provide multiple types of shell features (for example. both mechanical protection casing and fire enclosure Function). 3.1.1 Used to spread the fire occurred within the device or flame is reduced to a minimum of equipment. 3.1.2 For reducing mechanical hazards caused by the dangerous risk of injury and other physical pieces of equipment. 3.2 In addition to maintenance personnel who operate the equipment properly. 3.3 After the appropriate personnel refers to technical training and have the necessary experience, they may be able to realize them with carrying out an operation Be dangerous, and will be able to take measures of their own risk or other persons minimized. 3.4 The operator under normal operating conditions. --- Do not use tools to be able to contact area; or --- Way to reach a predetermined area; or --- Area according to the instructions of the contact, whether the need of a tool. In this standard, "contacting" and "accessible" the two words as no other provisions, according to the above definition, refers to the contact area of the operator. 3.5 In addition to the contact zone operators and maintenance personnel in the maintenance, even when the device is powered by the area of contact is required. 3.6 Used to handling screws, bolts or any other apparatus similar fasteners. 3.7 Before danger exclusion prevents access to the danger zone, or in the event of contact with a device that automatically exclude a dangerous situation.

4 Safety General

4.1 Applicability of requirements Requirements This standard only relates to the safety protection scope, do not involve the performance and features of the device. In order to determine whether or not related to security, should be carefully studied and the circuit structure and consider the consequences caused by the failure may occur. 4.2 Design and construction equipment Design and construction of the apparatus shall be so under all conditions, including normal use, it can be taken into account under the non-normal or single fault conditions, It can be prevented within the meaning of this standard caused by stroke and other risk of injury, and to prevent serious fire originated inside the device. 4.3 Supply Voltage Equipment should be designed to make it work at a predetermined connection either supply voltage is safe. 4.4 Structure unspecified If the technical equipment involved, material or structural ways that are not explicitly included in this standard, the device provides a level of security should not be less than the present Given standard level. Note. In order to adapt to the new situation requires further detailed requirements, immediately drew attention to the appropriate technical committee, and the Committee dealt with promptly.

5 Component

5.1 General Requirements In cases involving national security, the components shall comply with the requirements of this standard, or comply with the relevant components, industry standards or IEC Standard and safety-related requirements. NOTE. Only when the involved components for standard obviously a country, industry, or IEC components, the order of the standard is considered relevant. 5.2 Evaluation and testing of components Evaluation and testing of components shall be GB 4943 corresponding regulations.

6 markings and instructions

6.1 Power Ratings Device specific requirements should be GB 4943 marked the power rating, in order to specify an exact voltage supply, frequency and sufficient current carrying ability. 6.2 Safety Instructions The operator should be given sufficient information and all the conditions of use, to ensure that the manufacturer's specified method (excluding oral mean Shows, description, etc.) hazard within the meaning of this standard will not occur during normal use of equipment. If you need a reminder special precautions to avoid the risk of causing the device in operation, installation, maintenance, transportation or storage, it should provide the necessary say Bright. Maintenance Manual (including electronic documents) are usually only available to maintenance personnel, operating instructions (including electronic documents) should be provided to the user. 6.3 Controls and indicators Besides the obvious unnecessary addition, where the impact on the safety indicators, switches and other devices must have control, labels and instructions It should be placed in obvious locations. Location markers and description of switches and other control devices should be marked on the switch or the controller means place. Where possible, Under the circumstances, the mark should be done without languages, national standards and other knowledge can make a glance. In the case of safety-related control devices and indicator color should be consistent with the requirements of IEC 60073.

7 risk protection

7.1 Protective contact zone 7.1.1 operator exposure protection zone The operator carrying out the operation without tools generally, or in routine maintenance, it is possible to reach the part of the hand and parts and Member should be designed so as not to cause danger to persons shape and structure. By using the necessary tools, the dangerous places may occur after touching, set the appropriate security agencies, and eye-catching label HERE reminder that operator exposure is dangerous. 7.1.2 maintenance personnel protective contact zone Maintenance contact zone, bare parts with dangerous voltages should be properly installed or isolation protection for the equipment in other parts When servicing does not inadvertently come into contact bare parts of these cases, or because tools or test probes used caused Accidental short-circuiting. If isolation protection may need to be removed because of maintenance and, these isolation protector should be easy to remove and replace. Maintenance personnel in maintenance, and parts can be touched by hand part, it should not be designed to result in dangerous shape maintenance personnel injury. If it is difficult to achieve on the device, it shall be set up warning signs. 7.2 safety interlock device 7.2.1 General requirements If the operator operates, will touch on some of the danger zone within the meaning of this standard exists under normal circumstances, it should be equipped with safety Full interlocks. 7.2.2 protection requirements Safety interlock device should be designed such that the outer cover, door, etc. before making a hazardous area can reach any location is not yet in danger has First eliminated. 7.2.3 fail-safe operation Design and structure of the safety interlock system should meet the following requirements. --- Interlock system failure should occur in the normal life of the equipment, even if failure occurs and should not give rise to significant risk; or --- If the interlock system in the normal life of the equipment will fail, the possible failure of the state to deal with equipment not required Protection harm. 7.2.4 interlocking moving parts Mechanical interlocking system and electromechanical interlock system of mechanical movement components should be produced in accordance with the appropriate durability manufacturer's design standards Product design life of moving parts should be sufficient margin to prevent danger from occurring. 7.2.5 cancel the interlock interlock function When maintenance personnel may need to cancel the safety function, the canceled system should meet the following requirements. --- Need to deliberately forcing it to operate; --- At the end of maintenance, in order to make the interlock device automatically returns to normal operation, has not been performed or should recover maintenance personnel When the interlock device to prevent return to normal working condition; --- Does not make interlock prevents a significant risk of being bypassed and useless, unless the interlock device is bypassed and useless, Another reliable security protection devices have been functioning. 7.3 Abnormal operation Equipment should be designed taking into account even if in a non-normal state, will not have significant risk of operating personnel. If it is difficult to achieve on the device, it shall be set up warning signs. 7.4 Electrical Safety Requirements 7.4.1 touch current and protective conductor current GB 4943-2001 the requirements and test methods 5.1.1 - 5.1.7 of the press. 7.4.2 Dielectric strength Dielectric strength of the conductive member and between the non-conductive member should be able to withstand 50Hz, 1500V or 2121V AC voltage sine DC Pressure 1min without breakdown. Between conductive parts of the device and the ground terminal plus 50Hz, 1500V sinusoidal AC voltage or DC voltage 2121V 1min, Check whether the breakdown. Equipped with devices such as lightning surge arresters and varistors corresponding device, you should remove it after the test. 7.4.3 grounding performance Ground Terminals shall be resistant to significant corrosion, the connection resistance between the ground terminals or ground contact and parts required to be earthed Should ≤0.1Ω (without power cord); ≤0.2Ω (with power cord). Visually inspect the grounding screw terminals and locking devices, and measuring equipment ground terminals or ground contact with the ground need The voltage drop between the parts, and then calculate the resistance value based on the voltage drop and current. Specific reference method in 2.6.3.2 content GB 4943-2001 execution.

8 structural requirements

8.1 Durability Design of the equipment should take full account of durability during normal use of life. After long-term use of aging and corrosion components should yield Health hazards and potential hazards. Specific requirements in accordance with the contents of GB 4943-2001 4.2. 8.2 Mechanical strength Equipment should have sufficient mechanical strength, but also in the structure should be able to ensure the maintenance of this standard meaning when the operation can be expected to Security inside. Mechanical protective shell should be done to ensure that due to failure or other causes that may be released from the moving parts, separated or thrown zero Member can block it or change direction. 8.3 Design and construction 8.3.1 rib edges and corners Rib edges and corners of the device, if its location, shape, etc. may bring danger to the operator, should these ribs and corner edges down Round polished. To complete the equipment necessary for the proper functioning of the rib edges and corners, this requirement does not apply. 8.3.2 sharp Operating personnel in normal operation or routine maintenance, it is possible to reach an area by hand if there is a cutter, cutting tools and other sharp instruments or similar Construction, these should be designed in the shape of sharp hand can not be in direct contact. Corresponding to the sharps protection agency if detached, it should set up warning signs in places such as the cover. 8.3.3 doors and covers Doors and covers should be used to prevent some other folders in hand design. If appropriate under the protection mechanism can be split, you should set up warning signs in places such as the cover. 8.3.4 Fixed parts Screws, nuts, washers, springs, or similar fastening parts should be securely fixed and can not work properly due to vibration or loose. In normal use may fall off and cause personal injury parts, screws need to be removed when the maintenance cover at zero and similar fastening Member, when you install them, you should consider the installation of the plate thickness to ensure sufficient strength to withstand the normal use of the machinery to be produced force. NOTE. For a fixed wire GB 4943 required by the corresponding requirements. 8.4 Protection of dangerous moving parts Hazardous moving parts of the equipment, its placement, enclosure or barrier should be able to provide adequate protection to prevent personal injury. Operating personnel in normal operation and routine maintenance, it may reach moving parts while the injured area should be provided adequate protection mechanism. If this is not done on the device, it shall be set up warning signs. Automatic resetting thermal circuit breaker or overcurrent protection devices, automatic timing devices such as automatic starter, if they accidentally reset or start cause Danger, you should not install.

9 use of chemicals

We should try to avoid the use of harmful chemicals. If used, it should ensure that it does not in direct contact with the human body. Due to chemical and other machinery When nature can not be avoided, should be set up warning signs. Using the powder, liquid or gaseous chemical equipment in the structure should be formed so that these substances are not dangerous concentration, nor in normal Work, storage, when feeding or discharge, due to condensation, evaporation, leakage, corrosion caused by flooding or dangerous within the meaning of this standard. 10 radiation and electromagnetic interference 10.1 Radiation Capable of producing ionizing radiation, using a laser or similar source, should be designed to prevent human exposure to harmful effects, and can be prevented Your safety material damage. 10.2 Electromagnetic Interference Requirements produce electromagnetic interference, in accordance with specific provisions in 4.3.13 of GB 4943-2001. 10.3 laser radiation If the device uses a laser or similar light source shall comply with the provisions of GB 7247.1. 11 fever, fire protection requirements 11.1 Heat Injury Protection Operating personnel in normal operation and routine maintenance, the temperature of a part or parts may touch should be below can cause burns Temperature and other injuries. Maintenance personnel in contact area, if possible burns caused by touching the part or parts, it should set the appropriate protection agencies. If the The device structure is difficult to achieve, it should set up warning signs and referred to in the specification. 11.2 risk of fire protection Design of the equipment should take full account of the components, such as heat, select the appropriate components and materials, to reduce the possibility of ignition and flame spread Resistance, so that the device under normal load working temperature does not cause fire and other hazards. Heating part of equipment should be protected to prevent fire hazard because of equipment failure or abnormal operation caused. There may be a fire Dangerous part, use fire enclosure. Fire enclosure requirements and do not require fire enclosure parts For details, see 4.7.2 requirements GB 4943-2001. 12 material Not allowed to use the human body is likely to cause allergic or toxic materials and other adverse effects. Use appropriate insulation class and burning grade material. Structure or shell material used, components and other parts, should be To limit the spread of fire. If you are unable to prevent overheating of components under fault conditions, then these components should be installed on the appropriate level of burning material. With Zhou It should be separated between the lower grade material surrounding combustion proper air gap, or separated by an appropriate level of combustion of solid insulation bezel. ......

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