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Military Standard of Electronic Industry of the People's Republic of China FL5990
SJ 20038-92
General Specification for Pulsating Motors
Published on 1992-02-01
China Electronics Industry Corporation
Implementation on 1992-05-01
1 Scope
Military Standard of Electronic Industry of the People's Republic of China General Specification for Pulsating Motors
Rotary solenald.General Specifiraina forSJ 20038-92
1.1 Subject Content
This specification specifies the general technical requirements, quality assurance provisions, and packaging, marking, transportation and storage requirements for pulsating motors and pulsating motor switch components.
1.2 Scope of Application
This specification applies to rotary release type pulsating motors used to drive rotary switches in military communications, radars and other electronic equipment and as actuators in system line automatic switching devices. 1.3 Model
The motor model consists of the following 7 parts:
Derived code
Switch code
-Rotation direction code
Voltage code
Product name code
Frame size
-Military product code
1.3.1 Machine code
Frame size of pulsating motors and their corresponding frame outer diameters are specified in Table 1 Table 1
Confidential code
Frame outer diameter
Published by China Electronics Industry Corporation on February 1, 1992 40
40~ 47
48--51
55~·57
1992-05-01implementation
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1.3.2Product name code
MD.--Pulsating motor.
1.3.3Voltage code
SJ 20038-92
Use two additional digits to indicate, as specified in Table 2. Table 2
Rated voltage V
Voltage code
1.3.4Rotation direction code
Use the Chinese phonetic letter Z to indicate the positive direction, and F to indicate the reverse direction. 1.3.5Switch code
Use an Arabic numeral to intuitively indicate the number of switch pieces, and no switch is indicated for those without switches. 1.3.6 Painiu code
Use Chinese phonetic letters A, B, C... etc. to indicate product structure derivation and performance parameter derivation. However, the letter I0,
1.3.7 Model example
J40MD48Z3 indicates a basic military pulsating motor with a motor outer diameter of 40mm, a rated voltage of 48V, and rotation in the opposite direction (clockwise), and 3 switch plates. 1.4 Voltage level
The rated DC voltage of the pulsating motor should be selected from the following values: 6.9.12.24.27.36.48.60,80,110,220V.1.5 Working system
The working system of the pulsating motor is divided into short-time repetitive working system and continuous working system. 1.6 Rotation direction
From the motor shaft extension end, the counterclockwise rotation of the motor shaft is the positive direction, and the clockwise rotation is the reverse direction. 1.7 Structural type
The motor structural type is divided into 4 types, and each motor specifies a basic structural type. MI type—bracket screw installation
M2 type—two special screws installation
M3 type—four screws horizontal installation
M4 type—support plate two screws installation
1.7. 1M1 type installation type is shown in Figure 1, and the dimensions shall comply with the provisions of Table 3. Basic
Machine frame number
SJ 20038—92
1.7.2M2 type installation type is shown in Figure 2, and the dimensions shall comply with the provisions of Table 4. IAH
It is specified in the detailed specification
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SJ 20038--92
1.7.3M3 type installation type is shown in Figure 3, and the dimensions shall comply with the provisions of Table 5. Figure 3
In the accompanying specification, the machine number
S3 2003892
1.7.4M1 installation type is shown in Figure 4, which should comply with the overall installation regulations. Figure 4
In the accompanying specification, the machine number
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Machine seat number
Referenced documents
SJ 20038:92
CJB150.10—86Environmental test methods for military equipmentMold testGIB 179—86
CIB 271-87
GJB 36C87
GJB 361--87
3 Requirements
3.1 Detailed Specifications
Counting Inspection Polishing Process and Table
Control Micromotor Packaging
Test Methods for Electronic and Electrical Components
Basic Technical Requirements for Control Micromotor
Specified in Detailed Specifications
The requirements for each motor shall comply with the provisions of this specification and the relevant detailed specifications. If the requirements of this specification conflict with the requirements of the detailed specifications, the detailed specifications shall prevail. 3.2 Qualification Appraisal
The products submitted according to this specification shall be qualified products. 3.3 Materials
The materials used in the structure of the pulsating motor shall comply with the provisions of the material specifications. The materials used shall ensure that the product meets all the performance requirements of this specification.
3.4 Performance
3.4.1 Environmental Conditions for Use
The environmental conditions for the use of the pulsating motor are divided into grades, and it should be able to work normally under the corresponding conditions specified in Table 7. 6
Environmental condition level
— 25 ~ 40
—40-·55
—55~85
55~125
Relative humidity
SJ 20038—92
10~500Hz
LG～200Hz
130m/s2
500m/s2
Strong collision shock 9 times
Constant acceleration variable
When the environmental conditions specified in Table 7 of the detailed specification of pulsating motor cannot meet the requirements and other parameters need to be adopted, the specific parameters of the use environment case should be listed in the detailed specification. 3.4.2 Appearance and mechanical inspection
The motor surface should not have rust, coating shaving, bumps and scratches, fasteners should be firmly connected, the writing and content of the terminal board and nameplate should be clear and correct, and should not fall off, the lead wire should be intact, and the color and logo should be correct. 3. 4.3 Appearance and installation dimensions
The appearance and installation dimensions shall comply with the provisions of 1.? or detailed specifications. 3.4.4 Lead wires and terminals
3.4.4.1 Pulsating motors can use lead wires or terminals. When lead wires are used, the lead wire length and related requirements shall be specified by detailed specifications. When terminals are used, the connection form and related requirements shall be specified by detailed specifications. 3.4.4.2 Strength of lead wires and terminals
The strength of lead wires and terminals of pulsating motors shall comply with Article 2.3 of GJB361 and the provisions of detailed specifications. 3.4.5 Contact resistance
The contact resistance between the fixed and moving contacts of pulsating motor contacts shall not exceed 0.10. 3.4.6 Rotary switch
3.4.6.1 When a pulsating motor is equipped with a rotary switch, the structure of the rotary switch shall comply with the provisions of the corresponding detailed specifications. 3.4.6.2 The contact resistance between the fixed and moving pieces of the rotary switch shall not exceed 0.0150, and shall not exceed 0.030 after the life test. 34.63 When rotating and closing in all working positions, the linear deviation of the fixed and moving contact pieces when in contact shall not be greater than one-third of the width of the moving piece's blade: the depth of the moving contact piece embedded in the fixed contact piece shall not be less than C.3mm: the clamping of the fixed contact piece shall have no gap. 3.4.7 Step angle error
When required by the detailed specifications, the step angle error of the pulsating motor shall comply with the provisions of the detailed specifications of the cabinet. 3.4.8 Starting specific pressure
The starting voltage of the pulsating motor shall not exceed the provisions of the corresponding detailed specifications. 3.4.9 Spring restoring torque
The spring restoring force of the pulsating motor shall comply with the provisions of the corresponding detailed specifications. 3.4.10 Operating and reset time
The operating and reset time of the pulsating motor shall not exceed the provisions of the corresponding detailed specifications. TKAONKAca
3. 4. 11 Working force short
SJ 20038—92
The working torque of the pulsating motor shall comply with the provisions of the corresponding detailed specifications. 3. 4.12 Speed
When required by the detailed specification, the speed of the stepper motor shall comply with the provisions of the detailed specification. 3.4.13 Winding current
The winding current of the pulsating motor shall comply with the provisions of the corresponding detailed specification. 3.4.14 Winding resistance
The winding resistance of the pulsating motor shall comply with the provisions of the corresponding detailed specification. 3.4-15 Power consumption
The power consumption of the pulsating motor winding shall comply with the provisions of the corresponding detailed specification. 3.4.16 Insulation dielectric strength
The pulsating motor shall be able to withstand the test voltage specified in Table 8 without insulation breakdown or internal arcing. The leakage current of the winding shall not exceed 1mA (peak value). The leakage current does not include the capacitance of the test equipment. Measure the insulation resistance immediately after the test and it shall meet the requirements of Article 3.4.17.
Rated micro-magnetic voltage
60 and below
51~-110
111～220
Test voltage (effective value)
Winding to shell, conductive part to shell
When repeating the insulation dielectric strength test, the test voltage is 80% of the specified voltage. 3.4.17 Insulation resistance
The insulation resistance of the pulsating motor winding to the shell and the conductive part to the shell shall not be less than 5CMQ under normal test atmospheric conditions or low temperature conditions specified in the corresponding detailed specifications. It shall not be less than 10M2 under high conditions specified in the corresponding detailed specifications, and shall not be less than T2M0 under steady-state damp heat conditions. It shall not be less than 50M0 after the recovery period of the alternating damp heat test. Under low temperature and high temperature low air bed test conditions, the insulation resistance is the same as the requirements under low temperature and high humidity cases. 3.4.18 Temperature
When the pulsating motor is working at rated voltage and specified duty, the temperature rise shall not exceed the provisions of the detailed specification. 3.4.19 Temperature shock
When the detailed specification has requirements, the pulsating motor shall be able to withstand the temperature shock test of high and low ambient temperatures specified in the detailed specification. After the test, the operating torque and dynamic torque shall meet the requirements of 3.4.11 and 3.4.8. 3.4.20 Vibration
Pulsation motors shall be able to withstand vibration tests of the severity specified in Article 3.4.1 and Article 2.26 of B361. After the test, the working torque and starting voltage shall meet the requirements of Article 3.4.11 and Article 3.4.8. 3.4.21 Shock
3.4.21.1 Pulse shock
Pulsation motors shall be able to withstand pulse shock tests of the severity specified in Article 3.4.1. After the test, the working torque and starting voltage shall meet the requirements of Article 3.4.11 and Article 3.4.8 respectively. 3.4.2.2 Strong impact shock
SI 2003897
The pulsating motor shall be able to withstand the strong impact shock test of the severity specified in 3.4.2. After the test, the working torque and starting voltage shall meet the requirements of 3.4.11 and 3.4.8 respectively. 3.4.22 Constant speed
When specified in the detailed specification, the pulsating motor shall be able to withstand the constant speed test of the severity specified in 3.4.1. After the test, the starting voltage shall meet the requirements of 3.4.8.
3.4.23 Damp heat
3.4.23.1 Alternating heat
When specified in the detailed specification. The pulsating motor shall be able to withstand the alternating damp heat test specified in 2.29 of GJB361. After the test, the insulation resistance shall meet the requirements of 3.4.17, and there shall be no rust that affects normal operation. 3.4.23.2 Steady-state heat condensation
Pulsation motors shall be subjected to the steady-state heat limit test specified in test case B of GJR360.3. After the test, the insulation resistance shall meet the requirements of Article 3.4.17, and there shall be no rust that affects normal operation. 3.4.24 Weight
The weight of the pulsation motor shall meet the requirements of the detailed specifications. 3.4.25 Magnetic condensation
When the pulsation motor is tested in accordance with Article 4.6.28, its magnetic field strength shall meet the requirements. 3. 4.26 Low pressure
3.4.26.1 Low temperature and low pressure
The moving motor shall be able to withstand the low temperature and low pressure test specified in Article 2.25.1 of GJR361 and the corresponding detailed specifications. After the test, the insulation resistance, working torque and starting voltage shall meet the requirements of Articles 3.4.17, 3..11 and 3.4.8 respectively. 3.4.26.2 High temperature and low pressure
pulsation motors shall be able to withstand the high temperature and low pressure test specified in Article 2.25.2 of GJR381 and the corresponding detailed specifications. After the test, the insulation resistance, working torque and starting voltage shall meet the requirements of Articles 3.4.17, 3.4.11 and 3.4.8 respectively. 3.4.27 High temperature
pulsation motors shall be able to operate in the high pressure environment specified in the detailed specifications. After the test, the insulation resistance, working torque and starting voltage shall meet the requirements of Articles 3.4.7, 3.4.11 and 3.4.8 respectively. 3.4.28 Low temperature
pulsation motors shall be able to operate in the low pressure environment specified in the detailed specifications. After the test, the insulation resistance, working torque and starting voltage shall meet the requirements of Articles 3.4.17, 3.4.11 and 3.4.8 respectively. 3.4.29 Salt spray
When specified in the detailed specification, the pulsating motor shall be able to withstand the salt spray test specified in Article 2.34 of GJB361. 3.4.30 Explosion
When specified in the detailed specification, the pulsating motor shall be able to withstand the explosion test specified in Article 2.33 of GJB361. 3.4.31 Bacteria
When specified in the detailed specification, the pulsating motor shall be able to undergo a zero bacteria test in accordance with Article 2.35 of GJB351. After the test, the bacteria on the surface of the insulating parts shall not exceed the level specified in GJB150.1C by about 1 level. 3.4.32 Life
Unless otherwise specified, the life of the pulsating motor shall comply with the provisions of Table 9. During the test, the pulsating motor shall not have abnormal phenomena such as sticking, loose parts, and breakage. After the test, the change of winding resistance shall not exceed 2% of the initial value, and the insulation resistance and insulation dielectric strength shall meet the requirements of 3.4.17 and 3.4.16. 9
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3.5 Product marking
SJ 20038—92
The nameplate of the pulsating motor shall at least include the following contents: u. Product model or mark;
6. Manufacturer's name or trademark;
c. Rated voltage:
d. Manufacturing date or number.
3.6 Quality assurance period
The quality assurance period is the sum of the storage period and the warranty period calculated from the date of leaving the factory. The storage period is divided into three years, five years and eight years, which are stipulated by the manufacturer. 50
The warranty period is calculated from the opening of the electronic packaging, and is divided into one year and two and a half years, which is specified in the detailed maintenance specifications. 4 Quality Assurance Provisions
4.1 Inspection Responsibility
Unless otherwise specified in the contract or order, the contractor shall be responsible for completing all inspections specified in this specification. If necessary, the ordering party or the superior appraisal agency has the right to inspect any inspection item specified in the specification. 4.2 Inspection Classification
The inspections specified in this specification are divided into:
Appraisal Inspection
Quality Consistency Inspection
4.3 Inspection Conditions
4.3.1 Test Atmospheric Conditions
The test atmospheric conditions during the test shall comply with the provisions of Article 3.1 of GJB361. 4.4 Appraisal Inspection
Appraisal inspection shall be carried out in a laboratory designated by the superior competent department, and the samples shall be products manufactured using equipment and processes used in normal production.
4.4.1 Number of samples
Six pulsating motors shall be used for the qualification test, of which one shall be used as a test machine and two shall be used as storage comparison samples. 4.4.2 Test procedure
The samples shall be tested in the order shown in Table 10, but group and ear group tests may be carried out at the same time. All samples shall be tested in one group, and then the samples shall be divided into two groups of the same number, with 2~ samples in each group being tested in their respective groups. 4.4.3 Number of failures
The presence of one or more failures shall be grounds for refusal of qualification approval. 10
Test items
Appearance and mechanical inspection
Appearance and installation dimensions
Contact resistance
Band switch connection
Band switch connection resistance
Motor center line displacement
Step angle error
Starting voltage
Spring recovery torque
Working and reset time
Working Working torque
Electro-hydraulic winding
Short winding resistance
Power consumption
Dielectric strength of insulation
Insulation resistance
Temperature shock
Lead wire and terminal strength
Constant accelerationbzxz.net
Spring restoring force
Low pressure
Spring restoring torque
Requirement clause
3.4. G. 1
3. 4. 6.1
3. 4. 6. 3
3. 4. 11:
4.4.4 Maintenance of Qualification
SJ 20038—92
and Legal Provisions
4. 5.9. 2
4. 3. 9. 2
4. 5. 9. 3
with switches
with switches
with switches
In order to maintain qualification, the supplier shall submit to the certification body a summary of the results of the Group A tests, indicating at least the number of qualified batches and the number of failures, and a summary of the results of the Group C tests, indicating the number and mode of failure of any component. The test results summary shall include the results of these tests carried out within a 12-month period. If the test results show that the product is not
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