Some standard content:
1(S23.100.30
Machinery Industry Standard of the People's Republic of China
JH/1103652002
Hydraulic fluid power-Solenoid operated directional valve2002-12-27 Issued
2003-04-01 Implementation
The State Economic and Trade Commission of the People's Republic of China Issued
Normative reference documents
3 Terms and definitions
4 Benefits, symbols and single micrographs
5 Marking and basic parameters
5.2 Basic parameters
6 Technical requirements
Short requirements.
Performance requirements,
Assembly requirements
Appearance requirements
Performance test methods
Test equipment...
Monitoring conditions
Test items and test methods
Testing plan.
Testing classification
Security rules
10 Marking, packaging, transportation and purchase
Or recording: Standard requirements: Test practicability and characteristic specifications A. Test circuit.
A.2 Characteristic curve -
Figure A.1 Schematic diagram of test circuit
Figure A.2 Pressure loss curve
Figure A.3 Force-internal leakage isolation curve
[Model drawing
Figure A.5 System block diagram.
See A6 Displacement-time transient response measurement. Figure A also shows the force-time transient response curve. Table 1 Quantities, symbols and units
Table 2 Basic The allowable range of the average displayed value of the control parameter shows the allowable system error of the measuring system. Table 4 Factory test items and test methods Table 5 Type test items and test methods Table 6 Assembly and external inspection methods JB/T10365-2002 Appendix A of this standard is a normative appendix. This standard is proposed by China Machinery Industry Federation Foreword |tt||This standard is proposed and approved by the National Pneumatic Standardization Technical Committee. JI/T10365—2002
The drafting units of this standard are Beijing Huade Filter Pressure Industry Group Co., Ltd. and Beijing Machinery City Industrial Automation Research Institute. The main drafters are Ye Anxi, Fu Yong and Liu Xinde. This standard is launched for the first time.
1 Scope
Hydraulic solenoid reversing valve
JB/T10365—2002
This standard specifies the basic parameters, technical requirements, test methods, inspection conditions, installation, transportation and storage requirements of concentrated solenoid reversing valve (hereinafter referred to as electromagnetic reversing valve). The magnetic reversing valve with this pressure or other concentrated reversing valves with equivalent performance is used as the test material. 2 Normative references
The following provisions become the provisions of this standard through reference in this standard. For documents with a date, any subsequent amendments (including errata) or revisions are not applicable to this standard. However, the parties involved in the preparation of this standard may study whether the latest version of this document is applicable. For all referenced documents with a date, the latest version is applicable to this standard. G/786.1 Pneumatic graphic symbols GB786.1—1903.1501219-1:1991.Fuid20wersystern5andcomponenls-Ciruphit sytibals wid cincuit diagrarns—Pait I: Graphic symbols: GRBT2346 Pneumatic systems and components for hydraulic power series GB/T2514 Four-port plate hydraulic square pull valve installation surface: GB.T2514—1993.eqv1SO4-1(4:1980.Hydr2LF.fluid power Four-port directional control valve installation surface: GB.T2514—1993.eqv1SO4-1(4:1980.Hydr2LF.fluid power Four-port directional control valve installation surface: cnatml valvesMunting surfaces?GBT2B2%Two batches of sampling procedures and sampling tables (for continuous batches of wire inspection: industry strict parts can be used technical conditions
CB/T7935
GT140392002 pressure transmission oil body cumulative model pollution level code (GB/1:14030--2002, JSQ440MO:
Parts waiting for system and components not to speak (G month T174461998, dt1505593:19 85: GB/T17446
G/T17489 Micro-pressure contamination analysis for the above system cylinder line type sampling (0B/T17489--1998, IS040!: 1592JB/7858 Liquid metal component wetness evaluation method and pressure component wetness index 3 Terms and definitions
The following terms and definitions established in GB/T17446 apply to this standard. 3.1
umnalo
nominal Flow plate
The nominal flow rate specified by the electromagnetic plate
Test flow rate tsMow
The flow rate specified in the test room performance.
4Quantity, symbol and unit
See the table for the symbol and unit!
5Marking and validity
5.1Marking
A clear and permanent mark or nameplate should be made at an appropriate and obvious position on the product. The content of the marking fee plate should comply with the provisions of 0B/7935, and the adopted diagram The shape shall conform to the provisions of GB 786.1 1
JEVT103652002
Nominal diameter
Please ensure
Inner diameter of pipe
5 force, pressure
Bubble quality disk
Movement knocking
Extend body recognition thin shape
Mass: -
Length: T
Table 1 Quantity, symbol and unit
Time:
Fa tMPa:
simin:
5.2 Basic data
The basic parameters of the magnetic reversing business should include: nominal pressure, nominal soft diameter, nominal ring total, rated flow display, slide valve function, back pressure: 6 Technical requirements
6.1 General requirements
6.1.1 The nominal pressure ticket list shall comply with the provisions of GB/T2346. 6.12 The version connection installation certificate shall comply with the tariff of GRT2514. 6.1,3 Other card requirements shall comply with GB/T 7935 regulations 6.1.A The manufacturer shall indicate the suitability of the product in the relevant product specifications and product data. 6.2 Performance requirements
The performance requirements of the electromagnetic reversing valve shall include: a?
High switching capacity:
Loss of force:
Internal sliding volume:
Penalty time:
High sealing performance: Under the rated working conditions, the electromagnetic reversing valve shall not leak at the static sealing part, and the sealing part shall not be oil-proof. Pressure resistance: The electromagnetic reversing valve shall be able to Withstand 1.5 times of the maximum working force of the port, and there shall be no external fullness and internal control ring phenomena:
Durability: Under rated conditions, the electrical connection should be able to withstand the specified range or number of operations: Its rate of operation shall not be normal and other forms of damage, and the failure of each performance index shall not exceed 10 of the specified value. 6.3 Assembly requirements
6.3.1 Assembly inspection shall be in accordance with the provisions of (B/T7935)
6.3.2 The cleanliness requirements shall be in accordance with the provisions of JB 7858. 6.4 External warning requirements
The external housing of the product is in accordance with the heat setting of BT7935. 2
7 Performance test method
71 Test capacity
7.1.1 The test bench has the test circuit shown in Figure A.1. 7.1.2 Basic and positive pressure of independent source:
The flow rate of the oil source should be adjustable, and the pressure of the test tank shaft source under test should be able to exceed the nominal pressure of the test tank by 20%-30% for a short time. JB/T10365-2002
713 It is allowed to add components for adjusting positive pressure, flow rate or coal verification system safety in the given basic circuit. , but the performance of the test object should be affected.
7.1.4 The internal diameter of the pipe and pipe joints connected to the test object should be consistent with the actual diameter of the test object: 7.1.5 Position of the measuring point
7.1.5.1 The pressure measuring point should be set between the downstream of the disturbance source (such as valves, bends, etc.) and the test object, and the distance from the disturbance source should be not less than 30 (the inner diameter of the pipeline:, and the distance from the test object should be not less than 5t: 7.1.5.2 The pressure measuring point should be set at least 10 downstream of the test object 7.1.5.3 When testing according to the C system, the position of the pressure measuring point is allowed to be inconsistent with the upstream requirements, and the corresponding value should be taken. 71.6 Pressure hole:
7.1.6.1 The diameter of the pressure gauge should be no less than 1mm, no more than 6m.7.1.82 The length of the pressure gauge should be no less than 2 times the diameter of the pressure gauge hole.7.1.3 The axis of the measuring hole and the pipeline should be connected, and the intersection of the inner surface of the pipeline and the pressure gauge should be sharp and free of burrs.7.1.6.4 The inner diameter of the connection between the pressure gauge point and the measuring instrument should be no less than 3mm.7t.6.5 When the measuring point is connected to the measuring instrument, the air in the connecting pipeline should be removed. 17 The temperature measuring point should be set at the upstream of the test pressure measuring point. 7.1.8 Moisture sampling point According to the provisions of B/T1749, the injection liquid sampling point and the extraction liquid sampling point should be set in the test circuit. 7.2 Test conditions
7.2.1 Test medium
7.2.1.1 The test medium is a pressure medium
7.2.12 Test temperature: Except for the provisions, the test should be carried out at 0-12℃, and the test volume should be lowered at 50℃.
72.1.3 Moisture of the test unit: The movement of the unit should be 42ms-74m when the movement is in the test state (special requirements shall be determined separately). 7.2.1.4 Test quality code: Test system oil short body particle pollution and other groups of high GT149--2002 specified level -916
7.2.2 Steady state condition
72.2.1 When the controlled half of the minimum value of the actual use of the specification does not exceed the table 2, the fire should be moved to 1. It should be stable! 72.22 During the type test, the distribution of test parameter readings shall reflect the full range of the test vehicle. 7.2.2.3 In order to ensure the test results, the test parameters shall be measured within the specified time: 7.2.3 Transient conditions 7.2.3.1 From the test output, the oil circuit volume (including the oil circuit board) composed of the oil circuit board and the oil circuit board) shall be reversed. At the beginning of the transient test, the sealed volume shall be filled with oil before the test. The size of the sealed volume, the cavity and the temporary material shall be recorded in the test report.
7.2.3.2 The magnet for the technical test shall be zero-charged and shall start slightly.3
J8/10365—2002
Measurement accuracy level see 7.2.5
7.2.4 Test flow
Table 2 Permissible variation range of average displayed value of controlled quantity Permissible variation range of average displayed value of controlled product corresponding to each measurement accuracy level
2.4.1 When the specified rated flow of the test object is less than or equal to F200L0i, the rated flow shall be C
7.2.4.2 When the specified rated flow of the test object is greater than 200LAmin, the allowable test flow shall be 200L/min. The performance test shall be based on the working condition requirements. 7.2.4.3 It is allowed to reduce the flow rate for operation test, but the performance cycle shall be corrected. 7.2.5 Measurement accuracy level
The accuracy level is divided into three levels: A, B, and C. Type control inspection level: Factory inspection level: The allowable system error of each level should comply with the provisions of Table 3. Table 3 Allowable system error of measurement system
Each standard system
Measuring instruments and meters
(Table 02MP
7.2.6 When the electromagnet under test
is tested, the operating voltage of the electromagnet should be more than 85% of its rated voltage. When the allowable error
is tested, the electromagnet should be continuously magnetized to its specified maximum stable voltage under the condition of the specified voltage, and then the electromagnet should be reduced to its rated voltage. 85% of the rated voltage of the question, the test is carried out on the subject, 7.3 Test items and test methods
7.3.1 Factory test
The factory test items and test methods are in accordance with the provisions of Table 4: 7.3.2 Type test
Type test items and test methods are in accordance with the provisions of Table 5, 4
Test stock function
Load test machine
Pressure reduction of vehicle head
Inner front length reduction
Table 4 Factory test items and test methods
At a reverse rate of 2% per second, apply the maximum throttle pressure of each positive oil port for 15 minutes. Working force delivery, the method is like sau
according to the function of the German test separation, according to the reversing and recovery, time, watch the missing test separation name sweep standard situation,
! Late test
Note that the test war 4 electric fast leakage is the provisions of 7.2.6, adjust 5 to condense 2-1 and one-way motion 6-1 or 6-7:, make the oil port pressure of the test room nominal pressure, and then adjust the flow 2-2, make the test into the mouth of the function force for the limited back pressure value, and make the flow through the test ah for the test breeding volume, force suitable test conditions! , I will test the electrical fast range of the commercial power and power off, carry out more than one time, test the cross-valve self and the desired position (center" 12) Screen test:
Under the conditions of (1) test, make the flow of the test valve stay in the original connection and reversing position for 5 seconds, such as the test shop, the test valve is also put into the iron through tank and the cut-off tank, the test is the maximum test limit and the change (time heart) condition, the two cores that can be brought out need to be at each oil through position, and make the flow rate that exceeds the test limit as the test leakage, respectively, use the pressure gauge 1, 32.3-3.3-4 to measure the pressure of the parts point, P. ·P, P, test pressure loss, for two or three national pass test: when the control side becomes →A, when: huge force loss is APP, P4-PP, when the oil flow is P→B, A→T: K force reversal 3 =P, -P, ~ 4FA-T = P, -P, for the test of the oil flow in the middle position of the three-position oil pump, the pressure loss is =, and the other sliding parts are not tested in the middle position.
Adjust the flow rate 2-1. Make the pressure of the tested valve 4 P to the upper limit. According to the function and structure of the test valve slide valve, respectively from A! or B: and 1 oil port to test the internal leakage of the core at different times, the first one is the internal characteristic test, 20 is the internal
for the active kidney sinking energy, the internal avoidance quantity diagram is as follows? ：R
.TB/T10365—2002
JB/T10365—-2002
Its pregnancy items
Ahainan five
Table 4 (continued)
Test type
Test items
Endorrhea
Point acid function
Overall state test
Table 4 (continued)
First wipe the drum grease clean, then clean the whole part, and then clean it again. Check the internal and external sealing types:
(1) Static sealing: The warm water group of Sichuan Harmony is tightly judged until the end of the test and removed. If it reads on the water absorbent, it is liquid oil. 12" Dynamic seal: Place door paper at the place where the sound is passing, and limit the empty test. If the oil drops on the white gauge are classified as two oil drops.
5 type test items per test method
JB/r10365-2002
Test type
:1: Technical certification.5.1 stipulates that the test items are all available, and the ancient method of hyperactivity and test system are effective. Find the meat
a: The hole medical force is checked for the time interval, and the inner core of the embedded energy is expected to pass the oil position. The effective test volume is gradually increased to the test volume of the test method. During the test, several test points are set and the number of test steps should be sufficient. With value - positive branch line), use the pressure method 3-1, 3-2, 3-3, 3-4 to measure the ratio of the set points
to give the pressure loss line shown in 4.2, b, when the internal leakage test, set the effective test point to a certain value position, and use the micro-test to gradually increase the pressure to half the nominal pressure. The set point (the set point of rapid reduction) should be able to get a straight line out of the force leakage!, divide the internal resistance of each set point into multiple sets, and draw the reaction force - Oil leakage line,
(2) T as a test standard:
make the night test porcelain worry full of 72.6, place the core of the micro test rope in a dull oil place, flow: the whole can be produced single return book open 515: and some other 1-2, the pressure table 3-2 or -3> the value of the unit pressure is the test negative pressure, and then, the negative pressure is gradually increased to the maximum value under the test reading, the maximum value is set to the maximum value under the maximum value. This value can be set according to the factory's product level: the factory can set it by itself: Set several data points in time and record the indicated pressure of the pressure gauge 3 at each measuring point, draw the curve OD shown in Figure A4, measure the overflow 2-: and one-way throttling capacity 6-1 (or 5-2:, make the indicated pressure of the pressure gauge equal to the nominal pressure of the valve, and continuously increase the amount of flow through the test valve, test the switching and cross positions evenly, and align them). When the flow rate reaches a certain value, the test valve cannot switch and cross positions and close. Repeat this test until the required amount is set. According to the data recorded in the above test, draw Figure A.4BG shown in the figure. The area covered by the line BCDO is used to test the working range of the belt and position (center: line BC is used for conversion. The heavy speed test is not less than three times, and the three points shown in Figure 4 are drawn. Equipment
JB/T10365-2002
Test items
Joint test:
Change time
b) Its position 1 is tested when passing the test
Durability test
Installation appearance inspection
Table 5 ()
Test system is applicable to Figure A.5. The test method is as follows: Make the electrical specifications of the test valve 4 meet the requirements of 2.6, adjust the 2-phase one-way valve network 6-) (or 6-2) to make the oil port pressure of the test valve P to the nominal output, and then adjust 2-2 to make the test valve T port pressure to the specified pressure value, so that the flow through the test valve is the test flow rate or the cut-off value of the medical point: when 80%~ is less than the test flow rate, the maximum flow rate through the test valve is specified as the test flow rate, when 80%9 is greater than the flow rate, the flow rate through the test valve is specified to be 8%9: Here: the test flow rate is taken as the test volume, 50%4 is the standard for the horizontal flow rate), after heating, the test solenoid is powered on to make the test flow reversing and recovery. Note the displacement transmission method or pressure driving, 3: pressure, and 1 record the test instrument to record the reversing and safety of the acid test) said, the mother out of the reversing time, reversing time, reset (for ten 1 hours and reset time! After the swim, the state items should be read line see Figure A. and Figure?
injection flow can 2- and single 1 or, make the test oil as the reference pressure, and then decide the overflow 2-2, the basic test oil is the specified back value, the test flow sensitivity is the test overflow flow, the apparent use of the induction width durability test bench test with a rate of 60 times/min continuous damage direction, Record the test data, and then measure the performance of the durability index. The main parts and performance indexes of the light-duty product shall be tested according to the requirements of Table 6.
Table 6 Assembly and appearance inspection methods
Specification items
Inspection rules
9.1 Product classification
According to the quality
Internal sound pressure
External quality
Product inspection is divided into factory inspection and type inspection. 9.1.1 Factory inspection
Cold test method
Good quality test method,
According to the tariff of 858,
F test method
Factory inspection refers to the various inspections that should be carried out when the product is delivered: Type inspection
The items and methods of performance inspection shall comply with the provisions of 7.3.1, the performance requirements shall comply with the provisions of 6.2, the assembly appearance inspection shall comply with the provisions of Article 8, and the quality shall comply with the requirements of 6.3 and 6.4. 9.1.2 Type inspection
Type inspection refers to the inspection of products The quality inspection is conducted comprehensively, that is, it is conducted comprehensively according to the technical requirements specified in the standard. Type inspection is conducted in any of the following cases: a) new products or trial products are produced in the factory; b) after formal production, if there are major changes in structure, materials, and processes: it may affect product performance; d) when the factory inspection results are significantly different from the previous type inspection results; e) when the national quality supervision agency issues type inspection requirements. /T10365—2002wwW.bzxz.Net
The items and methods of performance inspection shall be in accordance with the provisions of 7.3.2, and the performance requirements shall comply with the provisions of 6.2: The inspection methods for assembly and appearance shall be in accordance with the provisions of Chapter 1, and the quality inspection shall comply with the requirements of 6.3. and 6.4. 9.2 Sampling
The sampling plan for product inspection shall be designed in accordance with GA/T2828, and the sampling plan for quality supervision inspection shall be designed in accordance with relevant regulations. 9.2.1 Sampling for factory inspection
a) Qualification level (AQL): 2.5: h) Sampling plan type, normal inspection, one-time sampling rate: inspection level: general inspection level: the sample size of the previous test is 3%, but shall not be less than two sets. 92.2 Sampling for type inspection
a) Qualification level: 1 (AQ value): 2.5 [6.5] h! Oily stone case type: normal inspection, one-time sampling plan: c) Detailed size: 5 sets [2 sets]
soil: The micrometer in square brackets is suitable for durability tile inspection, 92.3 Sampling for internal cleanliness inspection
a) Qualification level (AQL value): 2.5
b) Wine sample plan type: normal inspection change one-time sampling method: 1 inspection level, special inspection level S-1.93 judgment rules
According to GB/T2828,
0 marking, packaging, transportation and storage
marking, packaging, pollution and word connection according to GB7935. Special requirements can be specified separately,5]h! Oily stone case type: normal inspection in one sampling plan: c details: 5 sets [2 sets]
soil: the micrometer in square brackets is suitable for durability tile test, 92.3 Internal cleanliness inspection sampling
a: qualified violation quality level AQL value): 2.5
b? Wine sample plan type: normal inspection change one sampling release method: 1 inspection level, special inspection inspection level S-1.93 judgment rules
according to GB/T2828,
0 marking, packaging, transportation and storage
marking, packaging, pollution and word connection GB 7935 regulations. Special requirements can be specified separately,5]h! Oily stone case type: normal inspection in one sampling plan: c details: 5 sets [2 sets]
soil: the micrometer in square brackets is suitable for durability tile test, 92.3 Internal cleanliness inspection sampling
a: qualified violation quality level AQL value): 2.5
b? Wine sample plan type: normal inspection change one sampling release method: 1 inspection level, special inspection inspection level S-1.93 judgment rules
according to GB/T2828,
0 marking, packaging, transportation and storage
marking, packaging, pollution and word connection GB 7935 regulations. Special requirements can be specified separately,
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