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GB 5092-2008: [GB/T 5092-2008] Specification of induction protective devices for presses
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[GB/T 5092-2008] Specification of induction protective devices for presses
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Technical requirements for induction type safety device used for the presses
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Basic data | Standard ID | GB 5092-2008 (GB5092-2008) | | Description (Translated English) | [GB/T 5092-2008] Specification of induction protective devices for presses | | Sector / Industry | National Standard | | Classification of Chinese Standard | J62 | | Classification of International Standard | 25.120.01 | | Word Count Estimation | 20,270 | | Date of Issue | 2008-12-31 | | Date of Implementation | 2009-10-01 | | Older Standard (superseded by this standard) | GB 5092-1985 | | Quoted Standard | GB/T 191; GB 4208-2008; GB 5226.1-2002; GB/T 9969; GB/T 13384; GB 14048.5; GB/T 16935.1-2008; GB/T 17626.2-2006; GB/T 17626.3-2006; GB/T 17626.4-2008; GB/T 17626.5-2008; GB/T 17626.6-2008 | | 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 safety devices for presses induction of terms and definitions, technical requirements, test methods, inspection rules, packaging and random technical documents. This standard applies to press with induction type safety device (hereinafter referred to as safety devices). | GB 5092-2008: [GB/T 5092-2008] Specification of induction protective devices for presses---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.
Specification of induction protective devices for presses
ICS 25.120.01
J62
National Standards of People's Republic of China
Replacing GB 5092-1985
Press induction type safety device technology
Posted 2008-12-31
2009-10-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
Chapter 4 of this standard is mandatory, the rest are recommended.
This standard is GB 5092-1985 "press induction type safety device technical conditions" amendments.
This standard is the technical content compared with GB 5092-1985 The main changes are as follows.
--- Increasing the normative references;
--- Information about terms and definitions, such as induction type safety device, sensing, sensing capability, the ability to detect, specimens, failure, abnormal
Etc. (see Chapter 3);
--- Technical requirements increased functional requirements, the basic design requirements, anti-jamming capability, anti-power voltage capability, fault detection (see
Chapter 4);
--- Increased testing methods;
--- Modify the inspection rules (see Chapter 6);
--- Modify the response time, the length of protection, a high degree of protection and relay output requirements;
--- Revised Appendix A.
Since the implementation of this standard replaces GB 5092-1985.
Appendix A of this standard is a normative appendix.
The standard proposed by China Machinery Industry Federation.
This standard by the National Forging Machinery Standardization Technical Committee (SAC/TC220) centralized.
This standard was drafted. Jinan Foundry and Metalforming Machinery Research Institute, Shandong Machinery Design and Research Institute.
The main drafters of this standard. Chenru Chang, Ma Liqiang, Wang Yiquan.
This standard replaces the standards previously issued as follows.
--- GB 5092-1985.
Press induction type safety device technology
1 Scope
This standard specifies the terms and definitions induction type safety device used for the presses, technical requirements, test methods, inspection rules, packaging and random
Technical documents.
This standard applies to press for induction type safety device (hereinafter referred to as a safety device).
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/T 191 Packaging - Pictorial signs (GB/T 191-2008, ISO 780.1997, MOD)
GB 4208-2008 housing 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/T 9969 General Instructions industrial products
GB/T 13384 mechanical and electrical products packaging General technical conditions
GB 14048.5 low-voltage switchgear and control equipment Part 5-1. Control circuit devices and switching elements - Electromechanical control circuit
Road Electric (GB 14048.5-2008, IEC 60947-5-1.2003, MOD)
GB/T 16935.1-2008 within low-voltage systems Insulation coordination for equipment - Part 1. Principles, requirements and tests (IEC 60664-1.
2007, IDT)
GB/T 17626.2-2006 Electromagnetic compatibility - Testing and measurement techniques - Electrostatic discharge immunity test (IEC 61000-4-2.
2001, IDT)
GB/T 17626.3-2006 Electromagnetic compatibility - Testing and measurement techniques RFEMS test (IEC 61000-4-
3.2002, IDT)
GB/T 17626.4-2008 Electromagnetic compatibility - Testing and measurement techniques - Electrical fast transient burst immunity test (IEC 61000-
4-4.2004, IDT)
GB/T 17626.5-2008 Electromagnetic compatibility - Testing and measurement techniques - Surge (impact) immunity test (IEC 61000-4-5.
2005, IDT)
GB/T 17626.6-2008 Electromagnetic compatibility - Testing and measurement techniques - conducted disturbances induced by RF field immunity (IEC 60664-
4-6.2006, IDT)
3 Terms and Definitions
The following terms and definitions apply to this standard.
3.1
Or when the body is blocked from entering the induction screen, the output control mechanism of the press ram does not start or stop command means; mechanic pressure
For hazardous area use the device should be used redundancy technology, with dual outputs.
3.2
When a part of the body or obstruction enters this zone, the security device can be issued so the press can not start or stop running letters
No, this area is called induction screen.
3.3
Induction effective height of the screen.
3.4
Induction curtain effective protection distance in the longitudinal direction.
3.5
Before and after the induction of an effective induction screen size.
3.6
Sensor screen is blocked to respond and send a stop signal functions controlled press.
3.7
Sensing curtain sensing capabilities include the ability to detect and response time.
3.8
Cause sensing function parameter values and sense of specimen size screen resolution.
3.9
Detection capability for detecting safety device opaque cylinder.
3.10
Occlusion induced damage from screen to stop the time between the signal output to the press.
3.11
When the device or circuit safety device error or interference, resulting in the safety device is not working properly or the output signal is "broken
On "state.
3.12
When a predetermined diameter specimen block induction curtain, the safety device does not cover the sensor output signal, but the output state of the output state through induction
The response time of the output signal exceeds a predetermined value or status.
3.13
Safety devices for their own failures occur inspection and control, and to prevent system failure function.
3.14
Refers to the safety devices at power startup, or induction curtain is blocked once and then resumed, sensing should be maintained in the normal work.
Also referred to as self-locking function, otherwise known as start - restart interlock function. You must press the "reset button" to make the safety device reset (that is, into normal
Working condition).
3.15
During the press ram mechanism and return within some range in the working stroke of the closed (or block) the normal function of the safety device, so that
Which afford protection.
3.16
Safety devices during normal operation, when the sensor is blocked or the screen itself has a fault is detected when presented cover state sensor, the output signal
No. "off."
4. Technical Requirements
4.1 Functional requirements
4.1.1 Operating functions
In normal operation, when the curtain sensor unobstructed to press output enable function run signal.
4.1.2 sensing
When the sensor screen is blocked, the response time of the press within the output stop function run signal. Sensing the supplier shall be specified
Effective within the scope of regional or limited.
4.1.3 protection function does not return
This feature can also be provided in the control circuit in the press.
Note. When working within a stroke of the press section is provided the use of safety devices backhaul function will not protect the possible danger, used to honor
Caution should be properly calculated and set in order to avoid danger.
4.1.4 inherent protection
For the user to select functions and should be set to user requirements. This feature can also be provided in the control circuit in the press.
4.1.5 Self-test function
Any failure resulting in loss of function of sensing the occurrence of a safety device itself should be detected within the response time, and enter the abnormal state, to achieve
Locking condition, the output signal changes to "off" (namely the control of the press output stop signal), allowed failure; when the cause different
Steady state fault still exists, the safety device can not be switched back on reset from the abnormal state.
4.1.6 Other Functions
According to user requirements and design, but it should meet the requirements of the self-test function.
4.2 Basic design requirements
4.2.1 Safety devices in the following power supply conditions (except as otherwise the special requirements of the user) should be able to work properly.
a) AC power
--- Voltage. 85% to 115% of rated voltage;
--- Frequency. there is a change of rated frequency between 99% -101%, and there is a brief change from 98% to 102% between.
b) DC power supply
--- Battery power supply voltage at the rated voltage of between 85% to 120%;
--- Using external AC - DC power conversion equipment, 85% to 120% of rated voltage between the voltage after conversion.
At least 4.2.2 When the sensor screen is blocked or the power is turned off when two output signals reach the off state.
4.2.3 Whether the output signal of the switching transistor in the form or in the form of relay contacts form, the response time of the safety devices shall not be greater than
20ms. Response time for users, should be non-adjustable.
4.2.4 The length of the guard shall comply with the technical documentation, to retain at least 20% of the amount of redundancy.
4.2.5 Protection height shall comply with the technical documentation. On sensing curtain parts shall be marked protective height limit signs.
Output signal switching form 4.2.6 safety device, may be in the form of a transistor or relay contact form, the output signal circuit overcurrent due
Protective measures, and in accordance with the provisions of 7.2 GB 5226.1-2002.
4.2.7 curtain thickness sensing safety devices, shall not exceed 50mm.
4.2.8 safety device used spare parts and components shall meet the requirements of this standard conditions.
4.2.9 electric shock protection should comply with GB 5226.1-2002 in Chapter 6. Operating voltage safety devices should be safe, rated
Voltage exceeds 25V AC or 36V DC control device, power isolation measures should be taken.
4.2.10 Each output signal switching circuit should provide separate connection points.
4.2.11 safety device output signal from the green signal display ON state, a red signal indicates the OFF state.
Instructions and flag output signal 4.2.12 The safety devices should be the normal state and the abnormal state. Green indicates normal state should be obvious signal
Shows, and "normal" logo. Abnormal state indication by red signal display, and "abnormal" signs.
4.2.13 dielectric strength wire insulation should be consistent with the provisions of 13.3 GB 5226.1-2002.
4.2.14 Insulation resistance safety devices, conduction higher than 50V AC power lines and output signal contacts to connect the points above AC 50V
And do not protect the resistance between the ground wire should be not less than 100MΩ.
4.2.15 Pressure test safety devices shall comply with the provisions of GB 5226.1-2002 in 19.4.
4.2.16 protective earthing safety devices shall comply with the provisions of 8.2 GB 5226.1-2002, continuity of the protective earthing circuit shall comply with
The provisions of 19.2 GB 5226.1-2002.
4.2.16.1 and the ground wire should be connected with the ground symbol.
4.2.16.2 ground connection screws are not allowed to do other mechanical fastening.
4.2.17 Instructions shall comply with GB/T 9969's. Product Manual should clearly illustrate the working conditions of safety devices,
Performance, installation, wiring, adjustment, use, maintenance and special precautions. Safety devices should provide Chinese instructions.
4.3 Environmental and reliability requirements
4.3.1 Environmental Requirements
Safety devices in the following environmental conditions shall be able to work reliably.
--- Ambient temperature between -10 ℃ ~ 55 ℃;
--- Air relative humidity less than 95%;
--- Air no danger of explosion of media, non-corrosive metal and damage the insulation of the medium;
--- Table 1 under vibration conditions listed.
Table 1 vibration amplitude and corresponding frequency
Unidirectional displacement amplitude value/mm vibration frequency/Hz
20 1.26
30 0.63
40 0.32
50 0.16
4.3.2 anti-jamming capability
4.3.2.1 immunity to electromagnetic interference
4.3.2.1.1 safety device is subjected to GB/T 17626.3-2006 Test level 3 of electromagnetic field test (test site as strong
10V/m), should be able to work properly.
4.3.2.1.2 safety device is subjected to GB/T 17626.3-2006 Test class X level electromagnetic field test (test site as strong
30V/m), the failure should occur.
4.3.2.2 RF field conducting anti-interference ability
4.3.2.2.1 safety device specified in Table 2 of the RF field conduction disturbances should be able to work properly.
Table 2
Test item Test conditions
1m ~ 10m signal line according to GB/T 17626.6-2008 Level 2 test level
Power line, a ground line and a signal line over 10m according to GB/T 17626.6-2008 Test Level Level 3
4.3.2.2.2 safety devices in Table 3 RF field conduction disturbances should not appear in failure.
Table 3
Test item Test conditions
1m ~ 10m of signal lines according to GB/T 17626.6-2008 Test Level Level 3
Power line, ground line and a signal line over 10m according to GB/T 17626.6-2008 Test Level Level 3
4.3.2.3 Electrostatic discharge interference
Electrostatic discharge test should test level 4.3.2.3.1 safety device withstand GB/T 17626.2-2006 provisions for three normal
jobs.
4.3.2.3.2 When the safety device to withstand GB/T 17626.2-2006 test prescribed in grade four electrostatic discharge test should not be a
Now malfunction.
4.3.2.4 Anti-fast transient voltage pulse interference
4.3.2.4.1 safety device withstand voltage specified in Table 4 fast transient pulse should work properly.
Table 4
Test item Test conditions
DC power line or below 50V AC power line and length
A signal line exceeds 1m
According to GB/T 17626.4-2008 Level 2 test level
And above for 50V AC power cord according to GB/T 17626.4-2008 Test Level Level 3
4.3.2.4.2 safety device withstand voltage specified in Table 5. fast transient failure should occur when pulses.
Table 5
Test item Test conditions
DC power line or below 50V AC power line and length
A signal line exceeds 1m
According to GB/T 17626.4-2008 Test Level Level 3
And above for 50V AC power cord according to GB/T 17626.4-2008 Test Level 4 Level
4.3.2.5 Anti-fast transient voltage surge interference
4.3.2.5.1 safety device withstand voltage specified in Table 6 fast transient surges should be able to work properly.
Table 6
Test item Test conditions
DC power line or below 50V AC power lines and letters
Line
According to GB/T 17626.5-2008 Level 2 test level
And above for 50V AC power cord according to GB/T 17626.5-2008 Test Level Level 3
4.3.2.5.2 When the voltage specified in Table 7 withstand fast transient surge, failure of a safety device should not appear.
Table 7
Test item Test conditions
DC power line or below 50V AC power lines and letters
Line
According to GB/T 17626.5-2008 Test Level Level 3
And above for 50V AC power cord according to GB/T 17626.5-2008 Test Level 4 Level
4.3.3 Anti-supply voltage change capability
4.3.3.1 Supply voltage gradient
When the external power supply voltage is stable and continuous time after 10s, or from the rating dropped to zero in the same way from zero to rated
Value, failure of a safety device should appear.
When used for internal respective circuit supply voltage sequentially and continuously and stably through the 20s down to zero from a nominal, then the same
Information from zero up to the rated value, the failure of a safety device should not appear.
4.3.3.2 Supply voltage shock
Safety devices should have overvoltage protection measures should be able to work properly within the grid by lightning or net self-excited voltage generated 200% impact.
4.3.4 shock vibration
For, and components, parts and damage without loosening phenomenon.
4.3.5 life
Life safety devices shall not be less than 10 times.
4.4 identifies a safety device
Should resistance to alcohol, gasoline, durability identify the strength of the acid or base erosion 4.4.1 safety device. You should be able to withstand moistened with alcohol, gasoline yarn
Cloth gently wipe 15s.
4.4.2 Control switchgear, functional identification indicating device shall comply with the provisions of GB 5226.1-2002 in 17.3.
4.4.3 Safety devices should have identified the following items.
---product name;
--- Specification model;
---Response time;
--- Output signal in the form of its load capacity;
--- Working power, including voltage, frequency and power consumption;
--- Protection height;
--- Length of the guard;
--- Standard number;
---Date of manufacture;
--- Manufacturer name.
Note. The response time should be specified in the form of output signal switching.
4.5 Protective safety devices
Easy corrosive components 4.5.1 Safety devices should have adequate coating.
4.5.2 safety device housing coatings should be uniform rules, clean, no cracks, peeling, blistering, sagging and wrinkles and other phenomena.
4.5.3 Protection class safety device case
4.5.3.1 Exposed housing should prevent oil penetration, degree of protection should be not less than IP54 (see GB 4208-2008).
4.5.3.2 fitted to the electrical cabinet protection class housing should not be lower than IP20 (see GB 4208-2008).
4.5.4 anti-humidity, salt spray, mildew bacteria special requirements of the safety device by the user and the supplier negotiation process.
4.6 adaptive capacity storage
Safety devices should be capable of long-term storage at a temperature of -40 ℃ ~ 55 ℃ and a relative humidity of 95% of the environment, and can withstand a temperature of not
More than 70 ℃, relative humidity less than 95%, no more than a continuous condition of 24h.
5 Test and Inspection
5.1 test category
5.1.1 Type inspection
Type examination in accordance with the provisions of Chapter 4 of the sample to conduct a comprehensive inspection.
Documents and samples 5.1.1.1 type test should provide
a) technical documentation, including.
--- Circuit schematics and documentation;
--- Configuration diagram of the circuit components;
--- The main technical requirements for a list of spare parts and components;
---user's Guide;
--- When the same kind of series or type of product specifications apply for re-examination, it shall provide a report last type examination.
b) random sample by the inspection agency, each series (the same principle and basic structure of the circuit) for not less than three samples.
Conditions 5.1.1.2 type test
--- Development of new products or new trial is completed when entering the domestic market;
--- When the product design (structure, circuit theory), process or materials used (such as the relationship sensing capability or safety components) change
Varying;
--- Discontinued six months or more product again resume production;
--- Since the failure of a safety device occurs when the user complaints casualties;
--- Mass-produced products for normal production for three years;
--- National Quality Supervision and inspection institutions failed.
5.1.2 factory inspection
5.1.2.1 factory inspection requirements
Shall be in accordance with the provisions of this standard for each safety device for testing.
5.1.2.2 factory inspection project
--- 4.1 functional requirements of 4.1.1,4.1.2,4.1.3,4.1.4;
--- 4.2 Designing the basic requirements of 4.2.3,4.2.4,4.2.5,4.2.6,4.2.11;
--- 4.4 identifies a safety device in 4.4.2,4.4.3;
--- Packaging 7.1 safety devices;
--- 7.2 Random technical documents.
General Conditions 5.2 Test and inspection
5.2.1 Environmental conditions
--- Temperature of 20 ℃ ± 5 ℃;
--- Relative humidity less than 85%;
--- No acid, alkali and other corrosive and destroy the insulating medium.
5.2.2 supply conditions
--- Supply voltage in the range of 0.85 to 1.15 times the rated voltage;
--- Supply frequency in the range of 0.99 to 1.01 times the nominal frequency.
5.2.3 measurement error value (no more than)
--- Response time. 1ms;
--- Electrical measurements. ± 1%;
--- Other measurements. ± 5%.
5.2.4 connection and monitor output signals
Inspection should be required to access the output signal of a circuit that can be monitored in order to observe the state of the output signal.
5.2.5 inherent protection disposal Inspection
Has a self-protection function of the safety device test other projects should be self-protection features shield.
5.3 Test and inspection methods
5.3.1 Inspection work function and the sensing function
Installed safety devices in accordance with the requirements for safety equipment is energized, the output signal of the safety device should be "turned on."
With a specimen of not more than 2.5m/s speed sensing curtain blocking, blocking the duration of not less than 20ms, should exhibit a sense of safety devices
It should function, the output signal should have at least two routes "on" to "off."
When the specimen is maintained at induction screen, the safety devices should be kept in the "off" state. When the specimen withdrawn from the sensing curtain, the safety device
It should be immediately changed from "OFF" state to "ON" state.
5.3.2 Return function test does not protect
According to the supplier to provide a safety device operating instructions regarding safety devices does not return protection wiring through a switch
Associated circuitry connected safety device, then the safety device is energized for testing. The switch is turned on at this time whether or not block induction screen, security
Means should be "ON" state; then switch off test, the safety device should resume normal function.
Inspection 5.3.3 inherent protection
When the power is turned on, regardless of whether the block induction curtain, safety devices are rendered "off" state. In the case of induction curtain unobstructed, press
Move "reset button," safety device that is turned "on" state.
With specimen sensing curtain shielding safety device immediately by the "on" state to an "off" state.
The specimen is then withdrawn, the safety device in the system should remain "off" state, pressing the "reset button" system from the safety device "off"
State to the "on" state.
5.3.4 self-test function test
Circuit works should theoretical analysis or test methods to verify the safety device self-test function of regulatory compliance 4.1.5
set. Self-test function should be tested in the final test.
5.3.4.1 Response Time of inspection
Mechanical damping method or by the power input in the relay coil incorporated large-capacity capacitor or bypass square method
Method, the output signal off time delay, resulting in response time exceeds a predetermined value. No matter what kind of delay in the case of a safety device should
When entering the response time specified in the "off" state, the display abnormal (state).
5.3.4.2 test response time determination circuit
Response time determination circuit can be determined by detecting response times 5.3.5 right. If the measured response time to a predetermined value
Inside, the response time determination circuit meets the requirements; if the measured response time exceeds a predetermined value, the safety device continues to show normal function, the ring
Time judging circuit should not meet the requirements.
5.3.4.3 Fault Detection
5.3.4.3.1 Circuit Analysis
By means of the safety circuit works theoretical analysis, it is determined whether all the components and short or open circuit failure will result
Safety device failure (see Appendix A).
NOTE. In order to reduce unnecessary testing, safety by means of theoretical analysis circuit works, it can clearly determine the impact of some of the fault self-test function
, The theoretical analysis conclusions should be used as the test result.
5.3.4.3.2 test confirmed
When the theoretical analysis does not explicitly determine the impact of the fault line and components of the self-test function, it should be confirmed by testing line and metadata
Failure of the device can make the loss of the safety device self-test capability (see Appendix A).
The method is tested in case of power failure, artificially created a line break, short circuit near the line, short-circuit or open circuit component itself
Fault (return no protection except the setting function), when the power is restored, the safety device failure should occur.
5.3.5 Response test of time
The detector should be preceded by the access switch an output signal of a test voltage signal.
The two dual trace storage oscilloscope test probes are connected to an external point of the emitter and the output sign...
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