JB/T 5868-2004 General technical requirements for printed winding DC servo motors
Some standard content:
ICS29.163.30
Machinery Industry Standard of the People's Republic of China JB/T5868--2004
Replaces JB/T5868-1991
General specification for printed armature DC servomotor2004-03-12 Issued
Implementation on 2004-08-01
National Development and Reform Commission of the People's Republic of China Issued JB/T58682004
Foreword,
1 Scope,
2 Normative references
3 Classification
3.1 Motor model
Basic appearance and structure of the motor,
Electrical schematic diagram
4 Technical requirements.
Environmental conditions for use.
Terminals and lead wires,
Appearance and assembly quality
Direction of rotation.
Insulation dielectric strength
Insulation resistance
No-load starting voltage
No-load current and no-load speed
Rated technical data
Overspeed,
Terminal resistance
Back electromotive force coefficient,
Torque constant and stall torque
Armature moment of inertia and mechanical time constant
Temperature rise,
High temperature.
Vibration,
Shock,
Constant damp heat
Life,
Salt spray,
Electromagnetic disturbance (electromagnetic interference)
5Test methods
Test conditions..
Terminals and lead wires
Appearance and assembly quality,
Direction of rotation.
Final dielectric strength
Insulation theory
No-load starting voltage,
No-load current and no-load speed
Rated technical data...
Forward and reverse speed difference.
Terminal resistance
Back electromotive force coefficient, torque constant and stall torque, armature moment of inertia and mechanical time required
Noise,
Low temperature.
Constant damp heat,
Life…
Salt spray,
Weight,
Electromagnetic interference (electromagnetic interference generation)
6 Inspection rules.
Factory inspection items and rules
6.2 Type inspection items and rules
Quality assurance period..
Marking, packaging, transportation and storage
JB/T5863—2004
JB/T5868—2004
This standard is a revision of JB/T5868-1991 "General Technical Conditions for Printed Winding DC Servo Motors". Compared with JB/T5868-1991, this standard has the following major changes: 1. The writing format is rewritten according to the requirements of GB/T1.1-2000 "Guidelines for Standardization Work Part 1: Structure and Writing Rules of Standards";
The technical requirements have added armature terminal resistance, stall torque, noise, salt spray and other contents: the overload requirements have been removed;
According to the requirements of GBT7345-1994, the fixed amplitude vibration and specified pulse shock have been changed to vibration and shock: only the "electromagnetic disturbance" index is listed, and the "anti-interference" index is not listed because it is not required. This standard replaces JB/T5868-1991.
This standard is proposed by the China Machinery Industry Federation. This standard is under the jurisdiction of the National Micromotor Standardization Technical Committee. The drafting units of this standard are: Xi'an Micromotor Research Institute, Guilin Electric Science Research Institute, Tianjin Kollmorgen Industrial Drive Co., Ltd., and Guilin Huaneng Special Motor Development Co., Ltd.
The main drafters of this standard are Dong Chaokui, Zhou Jianzhong, Chen Housong, Wei Biao, Liao Hongyi and Xu Yan. The previous versions of the standards replaced by this standard are: JB/T5868-1991.
1 Scope
Printed winding DC servo motor
General technical conditions
JB/T5868-2004
This standard specifies the general technical requirements, test methods, inspection rules, quality assurance period and marking, packaging, transportation and storage requirements of printed winding DC servo motors.
This standard is applicable to printed winding DC servo motors (hereinafter referred to as motors) with a base outer diameter ranging from 55mm to 400mm. 2 Normative references
The clauses in the following documents become the clauses of this standard through reference in this standard. For any dated referenced document, all subsequent amendments (excluding errata) or revisions are not applicable to this standard. However, parties reaching an agreement based on this standard are encouraged to study whether the latest versions of these documents can be used. For any undated referenced document, the latest version shall apply to this standard. GB/T7345-1994 Basic technical requirements for control micro motors GB/T7346-1998 Basic external structure type of control motors GB10069.1-1988 Noise determination method and limit value engineering determination method for rotating motors (negISO1680-1:1986) GB/T10405-2001 Control motor model naming method JB/T8162-1999 Control micro motor packaging technical conditions 3 Classification
3.1 Motor model
3.1.1 Model composition
According to the provisions of GB/T10405, the motor model consists of four parts: frame number, product name code, performance parameter code, and derived code.
3.1.2 Model example
3.1.3 Frame number
First derived code
First performance parameter code
Printed winding DC servo motor
Frame number, indicating that the outer diameter of the frame is 160mm
According to GB/T7346, the frame number is expressed by the outer diameter of the motor frame (unit: mm). 3.1.4 Product name code
The product name code uses the capital Chinese pinyin letter SN to represent the printed winding DC servo motor. Its meaning is: S represents the servo motor and N represents the printed winding.
When the motor is assembled with components such as a tachometer generator, a rotary transformer, a photoelectric encoder, an electromagnetic brake and a reducer to form a unit, the letter C represents the tachometer generator, the letter X represents the rotary transformer, the letter M represents the photoelectric encoder, the letter Z represents the electromagnetic brake, and the letter J represents the reducer. Put the component code after the motor name code, add a hyphen "一" in between, and the letters are arranged in the order of C, X, M, Z, J.
JB/T5868—2004
3.1.5 Performance parameter code
The performance parameter code consists of two Arabic numerals 01~-99. 3.1.6 Derived code
The derived code uses the Chinese phonetic letters "A", "B", "C" and so on to represent the performance or structural derivation, but the letters "I" and "0" shall not be used.
3.2 Basic shape and structure type of motor
3.2.1 Basic shape and structure type of motor
The basic shape and structure type of motor is installed with end stop and screw hole, and can be installed vertically or horizontally. For products with special requirements, their structural type shall comply with the provisions of special technical conditions. 3.2.2 Basic shaft extension type
The basic shaft extension type of the motor is the common flat keyway shaft extension. The shaft extension and keyway dimensions shall comply with the provisions of GB/T7346. For products with special requirements, the shaft extension type and dimensions shall comply with the provisions of the special technical conditions. 3.3 Electrical schematic diagram
The electrical schematic diagram of the motor is shown in Figure 1. .
4 Technical requirements
Environmental conditions for use
The environmental conditions for use of the motor shall comply with the provisions of Level 1 or Level 2 in Table 1 of 4.1.1 of GB/T7345[994. The environmental conditions for use of the motor may also comply with the provisions of 4.1.2 of GB/T7345-1994. For motors with a base outer diameter greater than 160mm and with special requirements, the environmental conditions for use may refer to the provisions of this standard for special technical conditions. 4.2 Terminals and Leads
4.2.1 Leading Methods
The leading methods of the motor can be lead-out wires, threaded terminals, plugs and sockets, or terminal blocks, which are specified in the special technical conditions. 4.2.2 Leading Markings
The leading wires of the motor should be marked with different colors. When the "+" and "+" are marked, the markings should be clear. When threaded terminals, plugs and sockets, or terminal blocks are used, the "+" mark should comply with the provisions of the special technical conditions. 4.2.3 Strength of lead wire or terminal
The strength of lead wire or terminal of the motor shall comply with the provisions of 4.11 of GB/T7345-1994. For motors with frame size greater than 130, it shall comply with the provisions of special technical conditions.
4.3 Appearance and assembly quality
4.3.1 Appearance
The surface of the motor shall not be rusted, dented or scratched, the coating shall not peel off, the fasteners shall be firmly connected, the lead wire or terminal shall be intact, the color and marking shall be correct, the handwriting and content of the nameplate shall be clear and shall not fall off. 4.3.2 Appearance and installation dimensionswwW.bzxz.Net
The appearance and installation dimensions of the motor shall comply with the provisions of special technical conditions. 2
4.3.3 Axial clearance
JB/T5868-—2004
The axial clearance of the motor shall comply with the provisions of Table 1. For motors using corrugated washers, the axial clearance shall comply with the provisions of the special technical conditions.
Machine base outer diameter
Axial clearance
Shaft extension radial runout
70--160
0.05~0.20
The radial runout of the motor shaft extension outer circle matching surface shall comply with the provisions of Table 2. Qiu 2
Machine base outer diameter
Shaft extension radial runout
The coaxiality of the installation matching surface
70~160
The coaxiality of the motor installation matching surface to the axis shall comply with the provisions of Table 3. ·
Machine base outer diameter
The coaxiality of the installation matching surface
The verticality of the installation matching end face
The verticality of the motor installation matching end face to the axis shall comply with the provisions of Table 4. Table 4
Machine base outer diameter
Vertical degree of installation matching end face
4.4 Direction of rotation
>160~250
70~160
70~160
0.10~0.30
From the shaft extension end, the motor shaft is required to rotate clockwise as the positive direction. For double shaft extension motors, the provisions of special technical conditions shall be met.
4.5 Dielectric strength of insulation
The armature winding of the motor shall be able to withstand the test voltage specified in Table 5 between the housing and the motor without breakdown or arcing, and the peak value of the leakage current of the winding shall not exceed 5mA.
Rated voltage of the motor
>20~60
>60~115
>115~220
After the test, the insulation resistance should be measured according to the provisions of 4.6. When repeating the final dielectric strength test, the test voltage is 80% of the specified value. Insulation dielectric strength test voltage
JB/T5868--2004
4.6 Insulation resistance
Under normal test conditions, the insulation resistance between the motor armature winding and the housing should be not less than 100MQ. Under the extreme low temperature conditions specified in the special technical conditions, the insulation resistance should be not less than 50M2; under the corresponding high temperature conditions, the insulation resistance should be not less than 5M2: after the wet heat test, the insulation resistance should be not less than 1M2.
The voltage of the insulation resistance meter used for insulation resistance measurement should comply with the provisions of Table 6. Table 6
Insulation dielectric strength test voltage
500~1000
No-load starting voltage
The no-load starting voltage of the motor shall comply with the provisions of Table 7. Rated voltage of the motor
4.8 No-load current and no-load speed
The no-load current and no-load speed of the motor shall comply with the provisions of the special technical conditions. Rated technical data
4.9.1 Rated power
The rated power of the motor shall comply with the provisions of the special technical conditions. 4.9.2 Rated torque
The rated torque of the motor shall comply with the provisions of the special technical conditions. 4.9.3 Rated voltage
The rated voltage of the motor shall comply with the provisions of the special technical conditions, 4.9.4 Rated current
The rated current of the motor shall comply with the provisions of the special technical conditions. 4.9.5 Rated speed
The rated speed of the motor shall comply with the provisions of the special technical conditions. 4.9.6 Forward and reverse speed difference
Insulation resistance meter voltage
No-load starting voltage (% of rated voltage)
Apply rated voltage to the motor and measure the no-load speed in both the forward and reverse directions. The difference between the no-load speed in both the forward and reverse directions shall comply with the provisions of the special technical conditions.
4.10 Overspeed
JB/T5868—2004
The motor shall be able to withstand a no-load overspeed test of 15% no-load speed for 2 minutes. After the test, the motor shall not have any harmful deformation that affects its performance.
4.11 Terminal resistance
When required, the terminal resistance of the motor shall comply with the provisions of the special technical conditions. 4.12 Back electromotive force coefficient
The back electromotive force coefficient of the motor shall comply with the provisions of the special technical conditions. 4.13 Torque constant and stall torque
The torque constant and stall torque of the motor shall comply with the provisions of the special technical conditions. 4.14 Armature inertia and mechanical time constant The armature inertia and mechanical time constant of the motor shall comply with the provisions of the special technical conditions. 4.15 Temperature rise
When the motor is working stably under rated conditions, the temperature rise limit of the armature winding shall comply with the provisions of the special technical conditions. 4.16 Noise
When required, the noise of the motor shall comply with the provisions of the special technical conditions. 4.17 Low temperature
The motor shall be able to withstand the low temperature test under the extreme low temperature conditions specified in the special technical conditions. After the test, the insulation resistance shall comply with the provisions of 4.6. Check that the no-load starting voltage is not more than 2 times the value specified in 4.7. The armature and structural parts shall not produce harmful deformation that affects normal operation. 4.18 High temperature
The motor shall be able to withstand the high temperature test under the high temperature conditions specified in the special technical conditions. After the test, the insulation resistance and insulation dielectric strength shall comply with the provisions of 4.6 and 4.5 respectively. The armature and structural parts shall not produce harmful deformation that affects normal operation. The grease of the bearing shall not overflow. 4.19 Vibration
The motor shall be subjected to vibration test according to the environmental conditions of level 1 and level 2 specified in 4.25 of GB/T7345--1994. After the test, the motor shall not have loose parts or damage, and the motor shall be able to operate normally. 4.20 Impact
The motor shall be subjected to impact test according to the environmental conditions of level 1 and level 2 specified in 4.26 of GB/T7345--1994. After the test, the motor shall not have loose parts or damage, and the motor shall be able to operate normally. 4.21 Steady damp heat
The motor shall be subjected to steady damp heat test according to the provisions of 4.28.1 of GB/T7345--1994. After the test, the insulation resistance of the motor shall meet the requirements of 4.6, and the motor shall not have obvious deterioration of appearance quality and rust. 4.22 Life
The motor shall be able to operate normally and continuously for 1000 hours without replacing the brushes. During this period, the rotation direction of the motor can be changed every 8 hours of cumulative operation. It is allowed to clean the brush powder every 100 hours of cumulative operation. The installation method of the motor during the life test shall comply with the provisions of the special technical conditions. After the test, the motor parts shall be free of damage and the motor shall be able to work normally. Check its rated technical data, and the change shall not exceed 15% compared with before the test.
4.23 Salt spray
When the special technical conditions require it, the motor shall be subjected to salt spray test in accordance with the provisions of 4.32 of GB/T7345-1994. After the test, disassemble and inspect, no part of the motor shall have obvious corrosion and destructive deterioration. 4.24 Weight
When required, the weight of the motor shall comply with the provisions of the special technical conditions. 4.25 Electromagnetic disturbance (electromagnetic interference)
When required, the conducted disturbance and radiated disturbance of the motor shall comply with the provisions of 4.31 of GB/T7345-1994. JB/T5868—2004
5 Test method
5.1 Test conditions
5.1.1 Normal test atmospheric conditions
According to the provisions of 5.1.1 in GB/T73451994, 5.1.2 Standard atmospheric conditions for arbitration test
According to the provisions of 5.1.2 in GB/T73451994. 5.1.3 Benchmark standard atmospheric conditions
According to the provisions of 5.1.3 in GBT7345—1994. 5.1.4 Test power supply
When the test power supply is fully loaded, the ripple factor of the DC voltage shall not exceed 3%. 5.1.5 Test instrument accuracy
Test instrument accuracy level: not less than level 1 during factory inspection and not less than level 0.5 during appraisal inspection. 5.1.6 Motor Installation
Unless otherwise specified, the motor shall be installed axially and horizontally on the standard test stand specified in the special technical conditions for testing. 5.2 Terminals and Leads
5.2.1 Lead Marking
The color of the motor lead, the wiring marking of the terminal block, plug and socket or threaded terminal should meet the requirements of 4.2.2. 5.2.2 Strength of Leads or Terminals
Test according to the provisions of 5.10 of GB/T7345-1994, and the results should meet the requirements of 4.2.3. 5.3 Appearance and Assembly Quality
5.3.1 Appearance
Visually inspect the appearance quality of the motor, and the results should meet the requirements of 4.3.1. 5.3.2 Appearance and Installation Dimensions
Use measuring tools that can ensure the accuracy requirements to check the appearance and installation dimensions of the motor, and the values should meet the requirements of 4.3.2. 5.3.3 Axial clearance
According to the method specified in 5.5 of GB/T7345-1994, for motors with a frame size of 160 or less, a force of 50N is applied axially; for motors with a frame size of 160 or more, a force of 100N is applied axially. The axial clearance value shall meet the requirements of 4.3.3. When there are special requirements, the axial clearance shall be measured according to the force specified in the special technical conditions.
5.3.4 Shaft extension radial runout
According to the method specified in 5.6 of GB/T7345-1994, the value shall meet the requirements of 4.3.4. 5.3.5 Coaxiality of mounting mating surface
According to the method specified in 5.7 of GB/T7345-1994, the value shall meet the requirements of 4.3.5. 5.3.6 Verticality of the mounting mating end faces
The verticality shall be measured in accordance with the method specified in 5.8 of GB/7345-1994, and its value shall meet the requirements of 4.3.6. 5.4 Direction of rotation
Apply a DC voltage with the correct polarity and less than the rated value to the motor in accordance with the provisions of 4.2.2, and its direction of rotation shall meet the requirements of 4.4. 5.5 Dielectric strength of insulation
The dielectric strength of insulation shall be measured in accordance with the method specified in 5.17 of GB/T7345-1994, and the result shall meet the requirements of 4.5. 5.6 Insulation resistance
The insulation resistance shall be measured in accordance with the method specified in 5.18 of GB/T7345-1994, and the result shall meet the requirements of 4.6. 5.7 No-load starting voltage
Before the test, the motor shall run for 5 minutes without load, and then restart the motor. With the rotor in any position, apply a voltage that gradually increases from zero until the shaft begins to rotate continuously. Perform three times in the positive and negative directions respectively, and record the voltage each time when the shaft starts to rotate continuously. The maximum value, i.e. 6
, is the no-load starting voltage. The result should meet the requirements of 4.7. 5.8 No-load current and no-load speed
JB/T5868—2004
The motor is run at rated voltage and no-load, and the no-load current and no-load speed are measured. The results should meet the requirements of 4.8. 5.9 Rated technical data
The motor is wired according to Figure 2 for testing, and the rated voltage and rated torque are applied. The current and speed values are read. The results should meet the requirements of 4.9. U
5.10 Forward and reverse speed difference
Apply rated voltage to the motor according to the outlet mark specified in 4.2.2, and measure the forward and reverse speeds n1 and n2 of the motor when it is no-load; the speed difference is determined by formula (1), and its value should meet the requirements of 4.9.6, An=n,
5.11 Overspeed
The motor runs at 115% no-load speed for 2 minutes, and the result should meet the requirements of 4.10. 5.12 Terminal resistance
The test motor reaches the non-powered stable temperature indoors. (1)
The armature resistance of the motor terminal is measured at different positions (at least three places) when the motor armature is blocked. When measuring, the wiring is shown in Figures 2 and 3. The wiring in Figure 2 is suitable for measuring the resistance of the winding when the ratio of the internal resistance of the voltmeter to the resistance to be measured is greater than 200. The wiring in Figure 3 is suitable for measuring the resistance of the winding when the ratio of the internal resistance of the voltmeter to the resistance to be measured is less than 200. A DC power supply with stable voltage should be used for measurement, and the current value should not be greater than 20% of the rated current of the winding being measured.
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