JB/T 5270-1991 YR series (IP23) three-phase asynchronous motor technical conditions (frame number 315～355)
Some standard content:
Machinery Industry Standards of the People's Republic of China
YR series (IP23) three-phase asynchronous motor technical conditions
(Frame number 315~355)
1Theme content and scope of application||tt| |JB5270---91
This standard specifies the type, basic parameters and dimensions, technical requirements, inspection rules, marking and packaging of electric motors. This standard applies to YR series (IP23) wound rotor general-purpose three-cabinet asynchronous motors (hereinafter referred to as motors) with frame numbers 315 and 355. All varieties derived from this series can also be implemented with reference to 2 Referenced Standards | |tt||GB755
Basic technical requirements for rotating electrical machines
GB4942.1 Motor shell protection classification
GB1993 motor cooling method
GB 997
Motor structure And installation type code
GB4772.! Motor dimensions and tolerances Motors with frame size 36~~400 and flange number FF55~~FF1080 or FT55~~FT1080 GB12665
Moisture and heat test requirements for motors used under general environmental conditions GB 100681
Rotation Motor vibration measurement methods and limits
GB 10069
GB1032
GB191
JB/Z294
Rotating electrical machine noise measurement methods and limits||tt ||Three-phase asynchronous motor test method
Packaging, storage and transportation pictorial mark
AC low-voltage motor scattered embedded winding insulation test method JB/Z346
AC low-voltage motor scattered embedded winding turns Interval insulation test limit 3 Type, basic parameters and dimensions
3.1 The motor shell protection level is IP23 (see GB4942.1). 3.2 The cooling method of the motor is IC01 (see GB1993). 3.3 The structure and installation type of the motor is IMB3 (see GB997). 3.4 The rating of the motor is a continuous rating based on the continuous working system (S1). The rated frequency of the 3.5 motor is 50Hz and the rated voltage is 380V. 3.6 The motor should be manufactured according to the following rated power (kW): 55, 75, 90, 110, 132, 160, 185, 200, 220, 250, 280, 315, 355. 3.7 The corresponding relationship between the motor’s frame number, speed and power should be as specified in Table 1. The Ministry of Mechanical and Electronic Industry of the People's Republic of China approved 178
1992-07-01 implementation on 1991-06~28
Frame number
315S
315M1
315M2
315M3
315M4
355M1
355M2
355M3
355M4
3551.1
355L2| |tt||1500
160
185
200
220
2501
280
315||tt ||355
Note: 1) The power design allows for 355M base. JB527091
Table 1
synchronous transfer
speed,
1000
110
132
160||tt| |185
200
220
250
280
power
750
rate,
90
110
1320
160
185
200
220
2502
r/ min
kw
600
55
75
90
110
132
160| |tt||1852)
133
2) The power arrangement recommends placing the 3551. base, but the 400 base is also allowed. At this time, the installation dimensions should be determined by the manufacturer and the user after consultation. 3 Motor dimensions and tolerances
3.8
3.8.1 Motor installation dimensions and tolerances should comply with the provisions of Table 2. The overall dimensions should not be larger than those specified in Table 2. 3.8.2 The dimensions and tolerances of the motor shaft extension key should comply with the requirements in Table 3. 179
JB 5270 -- 91
2
ot
7
20
086
989||tt ||1826
762
qV
dH
O
(
0
Sx
8
qo
Lotus
bias
limit
extreme
H
8
shadow| |tt||limit
extreme
sse
918
string
G
0
come||tt ||Lotus
0
2s0
and—
公
2
Table
8||tt| |5
our village
base
(40)
0
difference
limit
extreme||tt ||Child
01
Child
inch
来wing
Cut
188
Partial||tt| |D
安
C
1
记
heng
来
B
otg
80s
A
\ss8
ol
WSTE
ol-~f
number||tt| |Pole
sst
No.
Machine Eagle
180
Shaft diameter
90
100||tt ||JB5270-91
Table 3
Key
Width
25-0. 052
28_8.
3.8.3 axis The radial circular runout tolerance at half of the extension is 0.07mm. Chain
14.
168.
3.8.4 Parallelism tolerance of the motor axis to the foot supporting surface. The 315 base is 0.75mm; the 355 base is 1mm. The flatness tolerance of the motor foot support surface is 0.30mm. The symmetry tolerance of the keyway on the motor shaft extension is 0.05mm.||tt| |4Technical Requirements
4.1 The motor shall comply with the requirements of this standard and be manufactured according to the approved drawings and technical documents according to the prescribed procedures. 4.2 The motor shall be capable of rated operation under the following altitude, ambient temperature and relative humidity conditions. 4.2 .1 The altitude does not exceed 1000m.
4.2.2 The maximum ambient air temperature changes with the seasons, but does not exceed 40℃ mrm
Note: If the motor is at an altitude of more than 1000m or the maximum ambient air temperature is high. When used at or below 40C, the minimum ambient air temperature should be corrected to 15℃ in accordance with the provisions of GB755.
4.2.3
4.2.4 The average maximum relative humidity of the wettest month is 90%, and the average minimum temperature of the month is not higher than 25℃. During the operation of the motor, the deviation of the power supply voltage and frequency from the rated values ??shall be in accordance with the provisions of GB755. 4.3
4.4
When the power, voltage and frequency are rated, the guaranteed values ??of motor efficiency and power factor should comply with the provisions of Table 4. The efficiency is measured by the indirect method, and the stray loss is calculated as 0.5% of the rated input. Table 4
work
kw
55
75
90
110
132
160
185
200
220
250
280
315
355
rate|| tt||1500
92.5
92.8
93.3
93.3
93.5
93.8
94.0
94.3
1000
效
92.5| |tt||92.8
93.3
93.3
93.5
93.5
93.8
93.8
rate||tt ||750
同
600
，%
90.0
91.0
92.0
92.5||tt| |92.8
93.3
93.3
93.5
93.5
93.5
91.5
92.0||tt| |92.3
92.3
92.5
步
达
500
91.0
91.3
91.5
速
r/min
1500
0.87
0.87
0.87
0.87
0.87
0.89
0.89
0.89
1000
功
率
0.86
0.86|| tt||0.86
0.86
0.86
0.87
0.87
0.87
因
750||tt| |数，
0.79
0.79
0.79
.81
0.81
0.81
0.81||tt| |0.80
600
cosya
0.74
0.74
0.75
0.78
0.79
( ).79
0.79
500
0.74
0.75
0.75
181
JB 5270—91|| tt||当电视机电影电刷不时间结果的时，其电影电视值应不电视表5的表是。表5
功
90
110~~200|| tt||>200
率，
kw
efficiency reduction value，
1.5
1.0
0.5
4.5在电影电影下，电影机最好进矩对对电影赢矩之比的可以值的的进表之可的1.8倍。4.6 electric machine electric power performance of the warranty value of the 容差合正表6的设计。表6
长号|| 0. 10(1-
容
（1—cos)/6最少载·0.02
设计安全一10%
4.7当海拔和电影电影水水是When stipulated in 第4.2, the electric machine adopts B-class insulation, the limit value (resistance law) of the coil is 80K, it adopts F-class insulation, the limit value (resistance) of the bearing is 105K. The temperature (temperature 计法) should not exceed 95℃，集用环的温升值开的温升值应可GB755.的电视前前。4.8 Electric machine occasionally overcurrent的考核可件GB755 requirement。4.9 Electric machine在电影在可以，应能是电影的电影至全120%，圆时2min面不同名前机用。4.10 Electric machine Insulation resistance 在热手机或温升方法，定子合交notlower than 0.38M2，电子合不lower than 0.5MQ。 4.11 electric machine 发组合能是得时lmin的这个卡生电影什么可以分空，the frequency of the test voltage is 50HzJ as much as possible. Before starting the operation，在工地地可再发性·次歌机。 The test shall be in accordance with the provisions of GB755。
4.12 The electric machine's 定子发组合能可以可间方法过情正视代老分击穿，当电影机是效安发维时，其冲山 peak voltage test and test method according to JB/Z346 and JB/Z294. Under the circumstances, the external voltage is 130% of the rated voltage. The time is 3 minutes, when the voltage is increased to 130% of the rated voltage, it is allowed to increase the frequency at the same time, but it does not exceed 115% of the rated voltage. The insulation resistance shall not be lower than 0.38M2, and the insulation resistance shall not be lower than 0.38M2. .
4.14 electric machine 在热电影和电影上海电矩在可以，应能电影1.6千应电影电矩历时15s面无流电影电影，应电可心最最最机，应能电影可以电影值如限于安全，可以在电影电影电影定子电影分于电矩的电影。 At this time，定子电影应等工1，1倍的过电矩倍数乘以电影电矩值。
4.15 electric machine在在空金时间进表的电影1电应不可以2.8mm/s，2级应不同4.5mm/s，4.16 electric machine在空自生的电影的电影的noise value，合不正览表7的设计182
电影功
率
kw
≥55~110
110~220
220~355
4. 17
1500
1003
103
106
JB 5270—91
表？
同||tt ||1000
97
100
103
步
胡
750
93
97
99
速，
/min
600
93
97
99
dB(A)
500
93
97
9.9
The deviation of 相与兰相共合合应不同三相共合会10%.
4.18 electric machine 气隙不均勾度应不大汅表8的运动表8
汽.rmm
子气隙，%
表中：α
0.8
17.5
气隙本 维合值，其可能的
0.9
16.0
2 V82+82-0+0.18-:0:0..01
式中：，2·相品120°明得的气隙值。1.0
15.0
1.2
13.0
1.3
12.0
1. 4
10.0
4.19 electric machine is not allowed to run in the middle of the power supply, and the letter order of the marking of the output line is the same as the voltage sequence of the power supply, and the direction of the voltage is the same.端视之，electric machine 合于顺时针电影。 4.20 electric machine is only made of a 圆柱形长伸。4.21 The motor stator can be made with three or six outlet terminals (the user should indicate this in the contract). Viewed from the extension end of the spindle, the junction box of the motor is placed on the right or above the machine base. If there is another agreement between the two parties, the junction box is allowed to be placed on the left side of the machine base. There should be a grounding terminal in the junction box of the motor, and there should be another grounding terminal on the machine base, and a grounding mark should be set near the grounding terminal. This mark should be guaranteed to be indelible during the entire service life of the motor.
5 Inspection Rules
5.1
Each motor must pass the inspection before leaving the factory, and it should be accompanied by a product inspection certificate. Each motor must undergo inspection and testing. The inspection and test items include: 5.2
a.
Mechanical inspection (according to Article 5.5 of this standard); determination of the insulation resistance of the stator winding to the casing and the windings. (The insulation resistance in the cold state can be measured during the inspection test, but it should be ensured that the insulation resistance in the hot state is not lower than the provisions of Article 4.10 of this standard). For motors with three outlet terminals, the insulation resistance between the windings does not need to be measured: c.
d.
e.
f.
Measurement of DC resistance of stator winding in actual cooling state; withstand voltage test;
Inter-pass impulse withstand voltage or short-term Elevated voltage test; determination of no-load current and loss;
Note: The no-load characteristic curve needs to be taken during type testing. g.
h.
i.Www.bzxZ.net
i
Measurement of noise (according to the provisions of Article 5.6 of this standard); Measurement of vibration (according to Article 5.6 of this standard) Article 5.6: Determination of the open circuit voltage of the rotor winding:
overspeed test (according to the provisions of Article 5.6 of this standard). Type testing must be carried out if any of the following situations... is encountered: 5.3
a.
During the first trial production or small batch trial production by the manufacturer after identification and finalization: 183||tt| |JB 5270—91
When changes in motor design or process are sufficient to cause changes in certain characteristics and parameters; b.
C
d.
When inspection When there is an impermissible deviation between the test results and the previously conducted type test results; regular sampling of batch-produced motors shall be carried out at least every year. 5.4 The type test items of the electric motor include: a.
b.
c
d,
c.
All inspection and test items; || tt||Temperature rise test;
Determination of efficiency and power factor;
Short-time over-torque (or over-current) test;
Determination of maximum torque;||tt ||Measurement of rotor current.
f.
Note: If there are difficulties in measuring the rotor current, the assessment may be temporarily skipped. 5.5 Mechanical inspection items of the motor include: Rotation inspection: When the motor rotates, it should be smooth and brisk without stagnation; a.
b. Appearance inspection: Check whether the assembly of the motor is complete and correct. The paint on the surface of the motor should be dry and complete, evenly spread, without stains, damage, cracks, etc.;
Inspection of installation dimensions, overall dimensions and key dimensions: Installation dimensions And the overall dimensions should comply with the provisions of Article 3.8.1 of this standard, and the size of the key c.
should comply with the provisions of Article 3.8.2 of the standard; d. Radial circular runout, the parallelism and flatness of the foot support surface shall comply with the provisions of Articles 3.8.3, 3.8.4 and 3.8.5 of this standard, the symmetry of the keyway shall comply with the provisions of Article 3.8.6 of this standard, the foot The flatness of the bearing surface and the symmetry of the keyway allow inspection on the component; e. Inspection of the collector ring and electric cutting: the surface of the collector ring should be smooth without blisters, the brushes should be in good contact, and there should be no obvious sparks during operation. The brush lifting device should be light and flexible, and the brushes should also have good contact in the event of a short circuit. 5.6 A, b and e in Article 5.5 of this standard must be inspected for each unit. G, h and j in Article 5.2 and c and d in Article 5.5 can be randomly inspected. The random inspection method shall be formulated by the manufacturer.
5.7 The test methods specified in 5.2 (except e, g and h) and 5.4 of this standard are conducted in accordance with GB1032. h in clause 5.2 is conducted in accordance with GB10068. The installation dimensions and tolerances specified in clause 5.5 are The inspection is carried out in accordance with GB4772.1, 5.8 motor shell protection level test, 40C alternating damp heat test and air gap unevenness check, which can be carried out when the product structure is finalized or when there are major changes in the 1. technology, the shell protection level The test method is carried out in accordance with GB4942.1. The 40C alternating damp heat test is conducted according to GB12665.
6 Logo.Packaging
6.14
The nameplate material and the method of engraving the data on the nameplate should ensure that the writing is not easily erased during the entire period of use. 6.24
The nameplate should be fixed on the upper half of the motor frame, and the items should be marked as follows: manufacturing name;
p.
c.
d.| |tt||e.
f.
g.
.
i.
k.
184||tt| |Motor name:
Motor model;
Shell protection level;
Rated frequency (Hz);
Rated power (kW);
Rated current (A);
rated speed (r/min);
rated voltage (V);
power factor;
insulation level;
1 .
m.
n.
0.
p.
q.
Wiring method:
rated Rotor voltage (V):
rated rotor current (A);
year and month of manufacture and product number;
weight (kg);
standard number.
JB 5270—91
6.3 There should be corresponding signs on each terminal and wiring position of the stator and rotor winding of the motor. The writing should be kept indelible throughout the use of the motor. The signs should be as per Provisions of Table 9 Table 9
definite
winding
name
first phase
second phase
third phase|| tt||Weighing
Start
U1
Vi
w1
Six outlet terminal signs
End
End
U2
V2
W2
sub
outlet terminal mark
end
start
W
End
6.4 The shaft extension flat key of the motor must be tied to the shaft extension, and anti-rust and protective measures should be taken on the surface of the shaft extension and flat key. 1.
M
6.5 The packaging of the motor should ensure that under normal storage and transportation conditions, it will not be affected by moisture or damage due to poor packaging within -... years from the date of shipment.
6.6 The words and signs on the outer wall of the packaging box should be clear and neat, and the content is as follows: a.
b.
c.
d.
e.
f.
Name of shipping station and manufacturer;
Name of receiving station and receiving unit;
Motor model and product number;
The dimensions of the box,
the net weight of the motor and the gross weight of the box; words such as "handle with care" and "moisture-proof" should be marked at appropriate locations outside the box, and the graphics should comply with the regulations of GB191. 6.7 The use and maintenance instructions and product certificate should be provided to the user along with each motor. Documents should be placed in a moisture-proof bag and secured inside the packaging box.
7
Warranty period
When the user correctly uses and stores the motor in accordance with the provisions of the use and maintenance instructions, the manufacturer should guarantee that the motor will be used within one year, but It can operate well within a period of no more than... years from the date of manufacture and shipment. If the motor is damaged or fails to operate normally due to poor manufacturing quality within the specified period, the manufacturer shall repair or replace parts or motors for the user free of charge. Additional notes:
This standard is proposed and administered by the Shanghai Electrical Apparatus Research Institute of the Ministry of Mechanical and Electronic Industry. This standard is drafted by the Shanghai Electrical Apparatus Research Institute of the Ministry of Mechanical and Electronic Industry. The main drafters of this standard are Wu Xiaozheng, Li Wenzheng, Zhang Xunhe, and Yu Xiuren. 185
Article 5); Measurement of the insulation resistance of the stator winding to the casing and the windings (the insulation resistance in the cold state can be measured during the inspection test, but it should be ensured that the insulation resistance in the hot state is not lower than the provisions of Article 4.10 of this standard), three outlet wires The insulation resistance between the windings of the motor at the end of the motor does not need to be measured: c.
d.
e.
f.
Measurement of DC resistance of the stator winding in the actual cooling state; Withstand voltage test;
Inter-pass impulse withstand voltage or short-term rising voltage test; determination of no-load current and loss;
Note: The no-load characteristic curve needs to be taken during type testing. g.
h.
i.
i
Measurement of noise (according to the provisions of Article 5.6 of this standard); Measurement of vibration (according to Article 5.6 of this standard) Article 5.6: Determination of the open circuit voltage of the rotor winding:
overspeed test (according to the provisions of Article 5.6 of this standard). Type testing must be carried out if any of the following situations... is encountered: 5.3
a.
During the first trial production or small batch trial production by the manufacturer after identification and finalization: 183||tt| |JB 5270—91
When changes in motor design or process are sufficient to cause changes in certain characteristics and parameters; b.
C
d.
When inspection When there is an impermissible deviation between the test results and the previously conducted type test results; regular sampling of batch-produced motors shall be carried out at least every year. 5.4 The type test items of the electric motor include: a.
b.
c
d,
c.
All inspection and test items; || tt||Temperature rise test;
Determination of efficiency and power factor;
Short-time over-torque (or over-current) test;
Determination of maximum torque;||tt ||Measurement of rotor current.
f.
Note: If there are difficulties in measuring the rotor current, the assessment may be temporarily skipped. 5.5 The mechanical inspection items of the motor include: rotation inspection: when the motor rotates, it should be smooth and brisk without stagnation; a.
b. Appearance inspection: Check whether the assembly of the motor is complete and correct. The paint on the surface of the motor should be dry and complete, evenly spread, without stains, damage, cracks, etc.;
Inspection of installation dimensions, overall dimensions and key dimensions: Installation dimensions And the overall dimensions should comply with the provisions of Article 3.8.1 of this standard, and the size of the key c.
should comply with the provisions of Article 3.8.2 of the standard; d. Radial circular runout, the parallelism and flatness of the foot support surface shall comply with the provisions of Articles 3.8.3, 3.8.4 and 3.8.5 of this standard, the symmetry of the keyway shall comply with the provisions of Article 3.8.6 of this standard, the foot The flatness of the bearing surface and the symmetry of the keyway allow inspection on the component; e. Inspection of the collector ring and electric cutting: the surface of the collector ring should be smooth without blisters, the brushes should be in good contact, and there should be no obvious sparks during operation. The brush lifting device should be light and flexible, and the brushes should also have good contact in the event of a short circuit. 5.6 A, b and e in Article 5.5 of this standard must be inspected for each unit. G, h and j in Article 5.2 and c and d in Article 5.5 can be randomly inspected. The random inspection method shall be formulated by the manufacturer.
5.7 The test methods specified in 5.2 (except e, g and h) and 5.4 of this standard are conducted in accordance with GB1032. h in clause 5.2 is conducted in accordance with GB10068. The installation dimensions and tolerances specified in clause 5.5 are The inspection is carried out in accordance with GB4772.1, 5.8 motor shell protection level test, 40C alternating damp heat test and air gap unevenness check, which can be carried out when the product structure is finalized or when there are major changes in the 1. technology, the shell protection level The test method is carried out in accordance with GB4942.1. The 40C alternating damp heat test is conducted according to GB12665.
6 Logo.Packaging
6.14
The nameplate material and the method of engraving the data on the nameplate should ensure that the writing is not easily erased during the entire period of use. 6.24
The nameplate should be fixed on the upper half of the motor frame, and the items should be marked as follows: manufacturing name;
p.
c.
d.| |tt||e.
f.
g.
.
i.
k.
184||tt| |Motor name:
Motor model;
Shell protection level;
Rated frequency (Hz);
Rated power (kW);
Rated current (A);
rated speed (r/min);
rated voltage (V);
power factor;
insulation level;
1 .
m.
n.
0.
p.
q.
Wiring method:
rated Rotor voltage (V):
rated rotor current (A);
year and month of manufacture and product number;
weight (kg);
standard number.
JB 5270—91
6.3 There should be corresponding signs on each terminal and wiring position of the stator and rotor winding of the motor. The writing should be kept indelible throughout the use of the motor. The signs should be as per Provisions of Table 9 Table 9
definite
winding
name
first phase
second phase
third phase|| tt||Weighing
Start
U1
Vi
w1
Six outlet terminal signs
End
End
U2
V2
W2
sub
outlet terminal mark
end
start
W
End
6.4 The shaft extension flat key of the motor must be tied to the shaft extension, and anti-rust and protective measures should be taken on the surface of the shaft extension and flat key. 1.
M
6.5 The packaging of the motor should ensure that under normal storage and transportation conditions, it will not be affected by moisture or damage due to poor packaging within -... years from the date of shipment.
6.6 The words and signs on the outer wall of the packaging box should be clear and neat, and the content is as follows: a.
b.
c.
d.
e.
f.
Name of shipping station and manufacturer;
Name of receiving station and receiving unit;
Motor model and product number;
The dimensions of the box,
the net weight of the motor and the gross weight of the box; words such as "handle with care" and "moisture-proof" should be marked at appropriate locations outside the box, and the graphics should comply with the regulations of GB191. 6.7 The use and maintenance instructions and product certificate should be provided to the user along with each motor. Documents should be placed in a moisture-proof bag and secured inside the packaging box.
7
Warranty period
When the user correctly uses and stores the motor in accordance with the provisions of the use and maintenance instructions, the manufacturer should guarantee that the motor will be used within one year, but It can operate well within a period of no more than... years from the date of manufacture and shipment. If the motor is damaged or fails to operate normally due to poor manufacturing quality within the specified period, the manufacturer shall repair or replace parts or motors for the user free of charge. Additional notes:
This standard is proposed and administered by the Shanghai Electrical Apparatus Research Institute of the Ministry of Mechanical and Electronic Industry. This standard is drafted by the Shanghai Electrical Apparatus Research Institute of the Ministry of Mechanical and Electronic Industry. The main drafters of this standard are Wu Xiaozheng, Li Wenzheng, Zhang Xunhe, and Yu Xiuren. 185
Article 5); Measurement of the insulation resistance of the stator winding to the casing and the windings (the insulation resistance in the cold state can be measured during the inspection test, but it should be ensured that the insulation resistance in the hot state is not lower than the provisions of Article 4.10 of this standard), three outlet wires The insulation resistance between the windings of the motor at the end of the motor does not need to be measured: c.
d.
e.
f.
Measurement of DC resistance of the stator winding in the actual cooling state; Withstand voltage test;
Inter-pass impulse withstand voltage or short-term rising voltage test; determination of no-load current and loss;
Note: The no-load characteristic curve needs to be taken during type testing. g.
h.
i.
i
Measurement of noise (according to the provisions of Article 5.6 of this standard); Measurement of vibration (according to Article 5.6 of this standard) Article 5.6: Determination of the open circuit voltage of the rotor winding:
overspeed test (according to the provisions of Article 5.6 of this standard). Type testing must be carried out if any of the following situations... is encountered: 5.3
a.
During the first trial production or small batch trial production by the manufacturer after identification and finalization: 183||tt| |JB 5270—91
When changes in motor design or process are sufficient to cause changes in certain characteristics and parameters; b.
C
d.
When inspection When there is an impermissible deviation between the test results and the previously conducted type test results; regular sampling of batch-produced motors, the sampling time should be at least every. year. 5.4 The type test items of the electric motor include: a.
b.
c
d,
c.
All inspection and test items; || tt||Temperature rise test;
Determination of efficiency and power factor;
Short-time over-torque (or over-current) test;
Determination of maximum torque;||tt ||Measurement of rotor current.
f.
Note: If there are difficulties in measuring the rotor current, the assessment may be temporarily skipped. 5.5 Mechanical inspection items of the motor include: Rotation inspection: When the motor rotates, it should be smooth and brisk without stagnation; a.
b. Appearance inspection: Check whether the assembly of the motor is complete and correct. The paint on the surface of the motor should be dry and complete, evenly spread, without stains, damage, cracks, etc.;
Inspection of installation dimensions, overall dimensions and key dimensions: Installation dimensions And the overall dimensions should comply with the provisions of Article 3.8.1 of this standard, and the size of the key c.
should comply with the provisions of Article 3.8.2 of the standard; d. Radial circular runout, the parallelism and flatness of the foot support surface shall comply with the provisions of Articles 3.8.3, 3.8.4 and 3.8.5 of this standard. The symmetry of the keyway shall comply with the provisions of Article 3.8.6 of this standard. The flatness of the bearing surface and the symmetry of the keyway allow inspection on the component; e. Inspection of the collector ring and electric cutting: the surface of the collector ring should be smooth without blisters, the brushes should be in good contact, and there should be no obvious sparks during operation. The brush lifting device should be light and flexible, and the brushes should also have good contact in the event of a short circuit. 5.6 A, b and e in Article 5.5 of this standard must be inspected for each unit. G, h and j in Article 5.2 and c and d in Article 5.5 can be randomly inspected. The random inspection method shall be formulated by the manufacturer.
5.7 The test methods specified in 5.2 (except e, g and h) and 5.4 of this standard are conducted in accordance with GB1032. h in clause 5.2 is conducted in accordance with GB10068. The installation dimensions and tolerances specified in clause 5.5 are The inspection is carried out in accordance with GB4772.1, 5.8 motor shell protection level test, 40C alternating damp heat test and air gap unevenness check, which can be carried out when the product structure is finalized or when there are major changes in the 1. technology, the shell protection level The test method is carried out in accordance with GB4942.1. The 40C alternating damp heat test is conducted according to GB12665.
6 Logo.Packaging
6.14
The nameplate material and the method of engraving the data on the nameplate should ensure that the writing is not easily erased during the entire period of use. 6.24
The nameplate should be fixed on the upper half of the motor frame, and the items should be marked as follows: manufacturing name;
p.
c.
d.| |tt||e.
f.
g.
.
i.
k.
184||tt| |Motor name:
Motor model;
Shell protection level;
Rated frequency (Hz);
Rated power (kW);
Rated current (A);
rated speed (r/min);
rated voltage (V);
power factor;
insulation level;
1 .
m.
n.
0.
p.
q.
Wiring method:
rated Rotor voltage (V):
rated rotor current (A);
year and month of manufacture and product number;
weight (kg);
standard number.
JB 5270—91
6.3 There should be corresponding signs on each terminal and wiring position of the stator and rotor winding of the motor. The writing should be kept indelible throughout the use of the motor. The signs should be as per Provisions of Table 9 Table 9
definite
winding
name
first phase
second phase
third phase|| tt||Weighing
Start
U1
Vi
w1
Six outlet terminal signs
End
End
U2
V2
W2
sub
outlet terminal mark
end
start
W
End
6.4 The shaft extension flat key of the motor must be tied to the shaft extension, and anti-rust and protective measures should be taken on the surface of the shaft extension and flat key. 1.
M
6.5 The packaging of the motor should ensure that under normal storage and transportation conditions, it will not be affected by moisture or damage due to poor packaging within -... years from the date of shipment.
6.6 The words and signs on the outer wall of the packaging box should be clear and neat, and the content is as follows: a.
b.
c.
d.
e.
f.
Name of shipping station and manufacturer;
Name of receiving station and receiving unit;
Motor model and product number;
The dimensions of the box,
the net weight of the motor and the gross weight of the box; words such as "handle with care" and "moisture-proof" should be marked at appropriate locations outside the box, and the graphics should comply with the regulations of GB191. 6.7 The use and maintenance instructions and product certificate should be provided to the user along with each motor. Documents should be placed in a moisture-proof bag and secured inside the packaging box.
7
Warranty period
When the user correctly uses and stores the motor in accordance with the provisions of the use and maintenance instructions, the manufacturer should guarantee that the motor will be used within one year, but It can operate well within a period of no more than... years from the date of manufacture and shipment. If the motor is damaged or fails to operate normally due to poor manufacturing quality within the specified period, the manufacturer shall repair or replace parts or motors for the user free of charge. Additional notes:
This standard is proposed and administered by the Shanghai Electrical Apparatus Research Institute of the Ministry of Mechanical and Electronic Industry. This standard is drafted by the Shanghai Electrical Apparatus Research Institute of the Ministry of Mechanical and Electronic Industry. The main drafters of this standard are Wu Xiaozheng, Li Wenzheng, Zhang Xunhe, and Yu Xiuren. 185
The first trial production or small batch trial production by the manufacturer after identification and finalization: 183
JB 5270—91
The changes in the motor design or process are enough to cause certain characteristics and When parameters change; b.
C
d.
When there is an unacceptable deviation between the inspection test results and the previously conducted type test results; regular sampling of batch-produced motors Test, take a test at least every time. year. 5.4 The type test items of the electric motor include: a.
b.
c
d,
c.
All inspection and test items; || tt||Temperature rise test;
Determination of efficiency and power factor;
Short-time over-torque (or over-current) test;
Determination of maximum torque;||tt ||Measurement of rotor current.
f.
Note: If there are difficulties in measuring the rotor current, the assessment may be temporarily skipped. 5.5 Mechanical inspection items of the motor include: Rotation inspection: When the motor rotates, it should be smooth and brisk without stagnation; a.
b. Appearance inspection: Check whether the assembly of the motor is complete and correct. The paint on the surface of the motor should be dry and complete, evenly spread, without stains, damage, cracks, etc.;
Inspection of installation dimensions, overall dimensions and key dimensions: Installation dimensions And the overall dimensions should comply with the provisions of Article 3.8.1 of this standard, and the size of the key c.
should comply with the provisions of Article 3.8.2 of the standard; d. Radial circular runout, the parallelism and flatness of the foot support surface shall comply with the provisions of Articles 3.8.3, 3.8.4 and 3.8.5 of this standard, the symmetry of the keyway shall comply with the provisions of Article 3.8.6 of this standard, the foot The flatness of the bearing surface and the symmetry of the keyway allow inspection on the component; e. Inspection of the collector ring and electric cutting: the surface of the collector ring should be smooth without blisters, the brushes should be in good contact, and there should be no obvious sparks during operation. The brush lifting device should be light and flexible, and the brushes should also have good contact in the event of a short circuit. 5.6 A, b and e in Article 5.5 of this standard must be inspected for each unit. G, h and j in Article 5.2 and c and d in Article 5.5 can be randomly inspected. The random inspection method shall be formulated by the manufacturer.
5.7 The test methods specified in 5.2 (except e, g and h) and 5.4 of this standard are conducted in accordance with GB1032. h in clause 5.2 is conducted in accordance with GB10068. The installation dimensions and tolerances specified in clause 5.5 are The inspection is carried out in accordance with GB4772.1, 5.8 motor shell protection level test, 40C alternating damp heat test and air gap unevenness check, which can be carried out when the product structure is finalized or when there are major changes in the 1. technology, the shell protection level The test method is carried out in accordance with GB4942.1. The 40C alternating damp heat test is conducted according to GB12665.
6 Logo.Packaging
6.14
The nameplate material and the method of engraving the data on the nameplate should ensure that the writing is not easily erased during the entire period of use. 6.24
The nameplate should be fixed on the upper half of the motor frame, and the items should be marked as follows: manufacturing name;
p.
c.
d.| |tt||e.
f.
g.
.
i.
k.
184||tt| |Motor name:
Motor model;
Shell protection level;
Rated frequency (Hz);
Rated power (kW);
Rated current (A);
rated speed (r/min);
rated voltage (V);
power factor;
insulation level;
1 .
m.
n.
0.
p.
q.
Wiring method:
rated Rotor voltage (V):
rated rotor current (A);
year and month of manufacture and product number;
weight (kg);
standard number.
JB 5270—91
6.3 There should be corresponding signs on each terminal and wiring position of the stator and rotor winding of the motor. The writing should be kept indelible throughout the use of the motor. The signs should be as per Provisions of Table 9 Table 9
definite
winding
name
first phase
second phase
third phase|| tt||Weighing
Start
U1
Vi
w1
Six outlet terminal signs
End
End
U2
V2
W2
sub
outlet terminal mark
end
start
W
End
6.4 The shaft extension flat key of the motor must be tied to the shaft extension, and anti-rust and protective measures should be taken on the surface of the shaft extension and flat key. 1.
M
6.5 The packaging of the motor should ensure that under normal storage and transportation conditions, it will not be affected by moisture or damage due to poor packaging within -... years from the date of shipment.
6.6 The words and signs on the outer wall of the packaging box should be clear and neat, with the following contents: a.
b.
c.
d.
e.
f.
Name of shipping station and manufacturer;
Name of receiving station and receiving unit;
Motor model and product number;
The dimensions of the box,
the net weight of the motor and the gross weight of the box; words such as "handle with care" and "moisture-proof" should be marked at appropriate locations outside the box, and the graphics should comply with the regulations of GB191. 6.7 The use and maintenance instructions and product certificate should be provided to the user along with each motor. Documents should be placed in a moisture-proof bag and secured inside the packaging box.
7
Warranty period
When the user correctly uses and stores the motor in accordance with the provisions of the use and maintenance instructions, the manufacturer should guarantee that the motor will be used within one year, but It can operate well within a period of no more than... years from the date of manufacture and shipment. If the motor is damaged or fails to operate normally due to poor manufacturing quality within the specified period, the manufacturer shall repair or replace parts or motors for the user free of charge. Additional notes:
This standard is proposed and administered by the Shanghai Electrical Apparatus Research Institute of the Ministry of Mechanical and Electronic Industry. This standard is drafted by the Shanghai Electrical Apparatus Research Institute of the Ministry of Mechanical and Electronic Industry. The main drafters of this standard are Wu Xiaozheng, Li Wenzheng, Zhang Xunhe, and Yu Xiuren. 185
The first trial production or small batch trial production by the manufacturer after identification and finalization: 183
JB 5270—91
The changes in the motor design or process are enough to cause certain characteristics and When parameters change; b.
C
d.
When there is an unacceptable deviation between the inspection test results and the previously conducted type test results; regular sampling of batch-produced motors Test, take a test at least every time. year. 5.4 The type test items of the electric motor include: a.
b.
c
d,
c.
All inspection and test items; || tt||Temperature rise test;
Determination of efficiency and power factor;
Short-time over-torque (or over-current) test;
Determination of maximum torque;||tt ||Measurement of rotor current.
f.
Note: If there are difficulties in measuring the rotor current, the assessment may be temporarily skipped. 5.5 The mechanical inspection items of the motor include: rotation inspection: when the motor rotates, it should be smooth and brisk without stagnation; a.
b. Appearance inspection: Check whether the assembly of the motor is complete and correct. The paint on the surface of the motor should be dry and complete, evenly spread, without stains, damage, cracks, etc.;
Inspection of installation dimensions, overall dimensions and key dimensions: Installation dimensions And the overall dimensions should comply with the provisions of Article 3.8.1 of this standard, and the size of the key c.
should comply with the provisions of Article 3.8.2 of the standard; d. Radial circular runout, the parallelism and flatness of the foot support surface shall comply with the provisions of Articles 3.8.3, 3.8.4 and 3.8.5 of this standard, the symmetry of the keyway shall comply with the provisions of Article 3.8.6 of this standard, the foot The flatness of the bearing surface and the symmetry of the keyway allow inspection on the component; e. Inspection of the collector ring and electric cutting: the surface of the collector ring should be smooth without blisters, the brushes should be in good contact, and there should be no obvious sparks during operation. The brush lifting device should be light and flexible, and the brushes should also have good contact in the event of a short circuit. 5.6 A, b and e in Article 5.5 of this standard must be inspected for each unit. G, h and j in Article 5.2 and c and d in Article 5.5 can be randomly inspected. The random inspection method shall be formulated by the manufacturer.
5.7 The test methods specified in 5.2 (except e, g and h) and 5.4 of this standard are conducted in accordance with GB1032. h in clause 5.2 is conducted in accordance with GB10068. The installation dimensions and tolerances specified in clause 5.5 are The inspection is carried out in accordance with GB4772.1, 5.8 motor shell protection level test, 40C alternating damp heat test and air gap unevenness check, which can be carried out when the product structure is finalized or when there are major changes in the 1. technology, the shell protection level The test method is carried out in accordance with GB4942.1. The 40C alternating damp heat test is conducted according to GB12665.
6 Logo.Packaging
6.14
The nameplate material and the method of engraving the data on the nameplate should ensure that the writing is not easily erased during the entire period of use. 6.24
The nameplate should be fixed on the upper half of the motor frame, and the items should be marked as follows: manufacturing name;
p.
c.
d.| |tt||e.
f.
g.
.
i.
k.
184||tt| |Motor name:
Motor model;
Shell protection level;
Rated frequency (Hz);
Rated power (kW);
Rated current (A);
rated speed (r/min);
rated voltage (V);
power factor;
insulation level;
1 .
m.
n.
0.
p.
q.
Wiring method:
rated Rotor voltage (V):
rated rotor current (A);
year and month of manufacture and product number;
weight (kg);
standard number.
JB 5270—91
6.3 There should be corresponding signs on each terminal and wiring position of the stator and rotor winding of the motor. The writing should be kept indelible throughout the use of the motor. The signs should be as per Provisions of Table 9 Table 9
definite
winding
name
first phase
second phase
third phase|| tt||Weighing
Start
U1
Vi
w1
Six outlet terminal signs
End
End
U2
V2
W2
sub
outlet terminal mark
end
start
W
End
6.4 The shaft extension flat key of the motor must be tied to the shaft extension, and anti-rust and protective measures should be taken on the surface of the shaft extension and flat key. 1.
M
6.5 The packaging of the motor should ensure that under normal storage and transportation conditions, it will not be affected by moisture or damage due to poor packaging within -... years from the date of shipment.
6.6 The words and signs on the outer wall of the packaging box should be clear and neat, with the following contents: a.
b.
c.
d.
e.
f.
Name of shipping station and manufacturer;
Name of receiving station and receiving unit;
Motor model and product number;
The dimensions of the box,
the net weight of the motor and the gross weight of the box; words such as "handle with care" and "moisture-proof" should be marked at appropriate locations outside the box, and the graphics should comply with the regulations of GB191. 6.7 The use and maintenance instructions and product certificate should be supplied to the user along with each motor. Documents should be placed in a moisture-proof bag and secured inside the packaging box.
7
Warranty period
If the user uses and stores the motor correctly in accordance with the instructions for use and maintenance, the manufacturer should guarantee that the motor will be used within one year, but It can operate well within a period of no more than... years from the date of manufacture and shipment. If the motor is damaged or fails to operate normally due to poor manufacturing quality within the specified period, the manufacturer shall repair or replace parts or motors for the user free of charge. Additional notes:
This standard is proposed and administered by the Shanghai Electrical Apparatus Research Institute of the Ministry of Mechanical and Electronic Industry. This standard is drafted by the Shanghai Electrical Apparatus Research Institute of the Ministry of Mechanical and Electronic Industry. The main drafters of this standard are Wu Xiaozheng, Li Wenzheng, Zhang Xunhe, and Yu Xiuren. 185
h of Article 2 shall be carried out in accordance with GB10068, the inspection of installation dimensions and tolerances specified in Article 5.5 shall be carried out in accordance with GB4772.1, the test of protection level of motor shell in 5.8, the 40C alternating damp heat test and the uneven air gap check can be found in the product When the structure is finalized or when there are major changes in 1. Art, the test method for the shell protection level is carried out in accordance with GB4942.1. The 40C alternating damp heat test is conducted according to GB12665.
6 Logo.Packaging
6.14
The nameplate material and the method of engraving the data on the nameplate should ensure that the writing is not easily erased during the entire period of use. 6.24
The nameplate should be fixed on the upper half of the motor frame, and the items should be marked as follows: manufacturing name;
p.
c.
d.| |tt||e.
f.
g.
.
i.
k.
184||tt| |Motor name:
Motor model;
Shell protection level;
Rated frequency (Hz);
Rated power (kW);
Rated current (A);
rated speed (r/min);
rated voltage (V);
power factor;
insulation level;
1 .
m.
n.
0.
p.
q.
Wiring method:
rated Rotor voltage (V):
rated rotor current (A);
year and month of manufacture and product number;
weight (kg);
standard number.
JB 5270—91
6.3 There should be corresponding signs on each terminal and wiring position of the stator and rotor winding of the motor. The writing should be kept indelible throughout the use of the motor. The signs should be as per Provisions of Table 9 Table 9
definite
winding
name
first phase
second phase
third phase|| tt||Weighing
Start
U1
Vi
w1
Six outlet terminal signs
End
End
U2
V2
W2
sub
outlet terminal mark
end
start
W
End
6.4 The shaft extension flat key of the motor must be tied to the shaft extension, and anti-rust and protective measures should be taken on the surface of the shaft extension and flat key. 1.
M
6.5 The packaging of the motor should ensure that under normal storage and transportation conditions, it will not be affected by moisture or damage due to poor packaging within -... years from the date of shipment.
6.6 The words and signs on the outer wall of the packaging box should be clear and neat, and the content is as follows: a.
b.
c.
d.
e.
f.
Name of shipping station and manufacturer;
Name of receiving station and receiving unit;
Motor model and product number;
The dimensions of the box,
the net weight of the motor and the gross weight of the box; words such as "handle with care" and "moisture-proof" should be marked at appropriate locations outside the box, and the graphics should comply with the regulations of GB191. 6.7 The use and maintenance instructions and product certificate should be provided to the user along with each motor. Documents should be placed in a moisture-proof bag and secured inside the packaging box.
7
Warranty period
When the user correctly uses and stores the motor in accordance with the provisions of the use and maintenance instructions, the manufacturer should guarantee that the motor will be used within one year, but It can operate well within a period of no more than... years from the date of manufacture and shipment. If the motor is damaged or fails to operate normally due to poor manufacturing quality within the specified period, the manufacturer shall repair or replace parts or motors for the user free of charge. Additional notes:
This standard is proposed and administered by the Shanghai Electrical Apparatus Research Institute of the Ministry of Mechanical and Electronic Industry. This standard is drafted by the Shanghai Electrical Apparatus Research Institute of the Ministry of Mechanical and Electronic Industry. The main drafters of this standard are Wu Xiaozheng, Li Wenzheng, Zhang Xunhe, and Yu Xiuren. 185
h of Article 2 shall be carried out in accordance with GB10068, the inspection of installation dimensions and tolerances specified in Article 5.5 shall be carried out in accordance with GB4772.1, the test of protection level of motor shell in 5.8, the 40C alternating damp heat test and the uneven air gap check can be found in the product When the structure is finalized or when there are major changes in 1. Art, the test method for the shell protection level is carried out in accordance with GB4942.1. The 40C alternating damp heat test is conducted according to GB12665.
6 Logo.Packaging
6.14
The nameplate material and the method of engraving the data on the nameplate should ensure that the writing is not easily erased during the entire period of use. 6.24
The nameplate should be fixed on the upper half of the motor frame, and the items should be marked as follows: manufacturing name;
p.
c.
d.| |tt||e.
f.
g.
.
i.
k.
184||tt| |Motor name:
Motor model;
Shell protection level;
Rated frequency (Hz);
Rated power (kW);
Rated current (A);
rated speed (r/min);
rated voltage (V);
power factor;
insulation level;
1 .
m.
n.
0.
p.
q.
Wiring method:
rated Rotor voltage (V):
rated rotor current (A);
year and month of manufacture and product number;
weight (kg);
standard number.
JB 5270—91
6.3 There should be corresponding signs on each terminal and wiring position of the stator and rotor winding of the motor. The writing should be kept indelible throughout the use of the motor. The signs should be as per Provisions of Table 9 Table 9
definite
winding
name
first phase
second phase
third phase|| tt||Weighing
Start
U1
Vi
w1
Six outlet terminal signs
End
End
U2
V2
W2
sub
outlet terminal mark
end
start
W
End
6.4 The shaft extension flat key of the motor must be tied to the shaft extension, and anti-rust and protective measures should be taken on the surface of the shaft extension and flat key. 1.
M
6.5 The packaging of the motor should ensure that under normal storage and transportation conditions, it will not be affected by moisture or damage due to poor packaging within -... years from the date of shipment.
6.6 The words and signs on the outer wall of the packaging box should be clear and neat, with the following contents: a.
b.
c.
d.
e.
f.
Name of shipping station and manufacturer;
Name of receiving station and receiving unit;
Motor model and product number;
The dimensions of the box,
the net weight of the motor and the gross weight of the box; words such as "handle with care" and "moisture-proof" should be marked at appropriate locations outside the box, and the graphics should comply with the regulations of GB191. 6.7 The use and maintenance instructions and product certificate should be provided to the user along with each motor. Documents should be placed in a moisture-proof bag and secured inside the packaging box.
7
Warranty period
When the user correctly uses and stores the motor in accordance with the provisions of the use and maintenance instructions, the manufacturer should guarantee that the motor will be used within one year, but It can operate well within a period of no more than... years from the date of manufacture and shipment. If the motor is damaged or fails to operate normally due to poor manufacturing quality within the specified period, the manufacturer shall repair or replace parts or motors for the user free of charge. Additional notes:
This standard is proposed and administered by the Shanghai Electrical Apparatus Research Institute of the Ministry of Mechanical and Electronic Industry. This standard is drafted by the Shanghai Electrical Apparatus Research Institute of the Ministry of Mechanical and Electronic Industry. The main drafters of this standard are Wu Xiaozheng, Li Wenzheng, Zhang Xunhe, and Yu Xiuren. 185
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