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JB/T 1009-2016: Specification for YS series three-phase asynchronous motors
Delivery: 9 seconds. Download (& Email) true-PDF + Invoice.
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Historical versions (Master-website): JB/T 1009-2016
Preview True-PDF (Reload/Scroll-down if blank)
JB/T 1009-2016
JB
MECHANICAL INDUSTRY STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
ICS 29.160.30
K 22
Filing Number: 56609-2017
Replacing JB/T 1009-2007
YS series three-phase asynchronous motors - Specification
ISSUED ON: OCTOBER 22, 2016
IMPLEMENTED ON: APRIL 01, 2017
Issued by: Ministry of Industry and Information Technology of the People's
Republic of China
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative References ... 4
3 Types, basic parameters and dimensions ... 5
4 Technical Requirements ... 16
5 Test Methods ... 23
6 Inspection Rules ... 23
7 Marks, packaging, transportation ... 25
8 Quality guarantee period ... 27
Foreword
This Standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This Standard replaces JB/T 1009-2007 "Specification for YS series three-phase
asynchronous motors". Compared with JB/T 1009-2007, the main technical changes
in this Standard are as follows:
- Change the expression of motor cooling method;
- Add the voltage level of the motor;
- Introduce the latest requirements of IEC 60034-30-1. Introduce IE level
requirements. It stipulates the energy efficiency limit values for IE2, IE3 and
IE4 levels of motors with power of 120W and above;
- Delete the temperature rise requirement for Class E insulated motors. Add
temperature rise requirements for Class F insulation;
- Add the requirement that "safety items not specified in this Standard shall comply
with the provisions of GB 12350";
- Modify the technical requirements for "vibration";
- Revise Chapter 7. Add requirements for "transportation".
This Standard was proposed by China Machinery Industry Federation.
This Standard shall be under the jurisdiction of National Technical Committee on
Rotating Motors of Standardization Administration of China (SAC/TC 26).
The drafting organizations of this Standard: China Electrical Apparatus Research
Institute Co., Ltd., Wolong Electric Tuan Co., Ltd., Weikai Certification and Testing
Co., Ltd., Weikai Testing Technology Co., Ltd., Kaiping Sanwei Micro Motor Co.,
Ltd., Nanjing Nan Micro Motor Co., Ltd., and Guangzhou Micro Motor Factory Co.,
Ltd., Hangzhou Fusheng Electric Co., Ltd., Zhejiang Lianyi Motor Co., Ltd., Fujian
Mindong Motor Co., Ltd., Weihai Taifusima Motor Co., Ltd.
Main drafters of this Standard: Wang Jianqiao, Luo Junbo, Wu Yunshan, Zhang
Chuanjia, Zhou Xingen, Lu Xiaomao, Lin Zhenwei, Zhang Yunchang, Liu Haiping,
Shi Qiuling, Qu Hualong.
Versions of standard substituted by this Standard are:
- JB/T 1009-1991, JB/T1009-2007.
YS series three-phase asynchronous motors - Specification
1 Scope
This Standard specifies YS series three-phase asynchronous motor in terms of type,
basic parameters and dimension, technical requirements, test methods, inspection
rules, marks, packaging, transportation and quality guarantee period.
This Standard is applicable to YS series three-phase asynchronous motor (frame size
45~90) (hereinafter referred to as motor), and all other series motors derived from YS
series three-phase asynchronous motor may also refer to this Standard.
2 Normative References
The following referenced documents are indispensable for the application of this
document. For dated references, only the edition cited applies. For undated references,
the latest edition of the referenced document (including any amendments) applies.
GB/T 755, Rotating electrical machines -- Rating and performance
GB/T 1032, Test methods for three-phase asynchronous motors
GB/T 2828.1, Sampling procedures for inspection by attributes -- Part 1: Sampling
schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection
GB/T 4772.1, Dimensions and output series for rotating electrical machines. Part
1: Frame numbers 56 to 400 and flange numbers 55 to 1080
GB/T 4798.2, Classification of environmental conditions - Classification of groups
of environmental parameters and their severities - Part 2: Transportation and
handling
GB/T 4942.1, Degrees of protection provided by the integral design of rotating
electrical machines (IP code) -- Classification
GB/T 5171.1, Small power motors -- Part 1: General technical requirements
GB/T 10069.1, Measurement of airborne noise emitted by rotating electrical
machines and the noise limits -- Part 1: Method for the measurement of airborne
noise emitted by rotating electrical machines
GB 12350, Safety requirements of small-power motors
GB/T 12665, Requirements of damp-heat testing of electrical machine for service
in general environmental condition
GB/T 13126, General specification for damp heat protective packaging of
mechanical and electrical products
GB/T 13384, General specifications for packing of mechanical and electrical
product
GB/T 19142, Packaging for export commodity -- General rule
GB/T 22719.1, Interturn insulation of random-wound winding for AC low-voltage
electrical machines -- Part 1: Test methods
GB/T 22719.2, Interturn insulation of random-wound winding for AC low-voltage
electrical machines -- Part 2: Test limits
JB/T 10490, Measurement method, evaluation and limit of mechanical vibration of
low power motor
3 Types, basic parameters and dimensions
3.1 The protection level of motor enclosure adopts IP44, IP54 or IP55.
3.2 The cooling methods of the motor are IC411 and IC410.
3.3 The construction and mounting type of motors shall meet the requirements of
Table 1.
3.4 Rating of the motor is continuous based on continuous duty (S1).
3.5 The rated frequency of the motor is 50 Hz. Rated voltage is 220 V, 220/380 V, 380
V.
3.6 Motors shall be manufactured according to the following rated powers (in W):
10, 16, 25, 40, 60, 90, 120, 180, 250, 370, 550, 750, 1100, 1500, 2200.
3.7 The corresponding relation of frame size, rotating speed and power of motors
shall be in accordance with those specified in Table 2.
to the provisions of GB/T 755.
If the altitude and ambient air temperature of the operating location are different from
the provisions of 4.2 of this Standard, the temperature rise limit shall be revised
according to the provisions of GB/T 755.
4.11 Where the three-phrase power supply is balanced, the deviation of any one phase
of the three-phase no-load current of the motor from the three-phase average value
should not exceed ±10% of the three-phase average value.
4.12 Under thermal state or under the condition that the torque is increased gradually,
the motor shall be able to withstand over-torque test with 1.6 times the rated torque,
and be free of sudden change and stalling in rotation speed within 15s. During the test,
the voltage and frequency shall be at rated values.
4.13 Under no-load condition, the motor shall be able to withstand the overspeed test
for 2min, in a speed of 120% of its rated value, without injurious deformation.
4.14 The stator winding of the motor shall be able to withstand the withstand voltage
test for 1min without breakdown. The test voltage shall be as sinusoidal as possible.
The frequency is 50 Hz. The capacity of the test equipment shall not be less than 0.5
kVA. The effective value of the voltage is 1000 V+2UN. But the minimum is 1500 V.
The tripping current shall not be greater than 10 mA.
During inspection test for motors massively and continuously produced in large
quantity, test duration is allowed to be shortened to 1s. The effective value of the test
voltage shall be 1.2 times the withstand voltage test voltage value. The test voltage is
applied with a test rod.
4.15 The stator winding of the motor shall be able to withstand the inter-turn
insulation impact voltage withstand test without breakdown. Its impulse test voltage
(peak value) shall comply with the provisions of GB/T 22719.2. The inter-turn
insulation impulse withstand voltage test is also allowed to be replaced by an elevated
voltage test. The test is carried out when the motor is no-load. The external applied
voltage is 130% of the rated voltage and the time is 3min. When increasing the
voltage value to 130% of the rated voltage, it is allowed to increase the frequency at
the same time, but it shall not exceed 115% of its rated value.
4.16 The vibration intensity measured when the motor is no-load shall include
vibration displacement, vibration speed, and vibration acceleration. The limit value
shall comply with the provisions of Table 23.
5 Test Methods
5.1 The tests listed in 6.1.2 [excluding e) interturn impulse withstand voltage test] and
6.2.2 (excluding tests in i) and j)) are carried out according to GB/T 1032. The
inter-turn insulation impulse withstand voltage test in item 6.l.2e) of this Standard is
carried out in accordance with the provisions of GB/T 22719.1.
5.2 The measurement of noise shall be carried out in accordance with the provisions
of GB/T 10069.1.
5.3 The measurement of vibration shall be carried out in accordance with the
provisions of JB/T 10490.
5.4 The inspection of mounting dimensions and tolerances specified in 6.1.3 of this
Standard shall be carried out in accordance with the provisions of GB/T 4772.1.
5.5 During type test, withstand voltage test of stator winding to enclosure and that
between windings shall be conducted when the temperature of the motor is close to
the operating temperature and after insulation resistance measurement, overspeed test
and temporary over-torque test of the stator winding.
5.6 Enclosure protection level test and damp heat test of the motors may be conducted
in case of construction type approval or significant change of construction and
technology. The enclosure protection level test is carried out according to GB/T
4942.1 while damp heat test is conducted according to GB/T 12665.
6 Inspection Rules
6.1 Exit-factory inspection
6.1.1 Each motor shall not leave the factory until being qualified in the exit-factory
inspection and shall be accompanied by product certificate.
6.1.2 Exit-factory inspection items include:
a) Mechanical inspection (according to 6.1.3 and 6.1.4);
b) Determination of the insulation resistance of the stator winding to enclosure
and that between the windings;
c) Determination of DC resistance of stator winding at actual cold state;
d) Withstand voltage test;
e) Stator winding inter-turn insulation impact withstand voltage test or elevated
voltage test (inter-turn insulation impact withstand voltage test can be
implemented during the production process);
f) Determination of no-load current and loss (no load characteristic curve needs
to be measured during type inspection);
g) Determination of locked-rotor current and loss (during cold state).
6.1.3 Mechanical inspection items of motor include:
a) Rotation inspection: when the motor rotates, the steering shall be correct; the
rotation shall be smooth and brisk, without stagnation; the sound shall be
uniform and harmonious without harmful noise.
b) Appearance inspection: inspect whether the motor assembling is intact and
correct, and the motor surface paint shall be dry, intact and uniform without
stains, damage or crack.
c) Inspection on mounting dimension, boundary dimensions and dimensions of
key: both mounting and boundary dimensions shall meet the requirements of
3.8a), while the dimensions of key shall meet the requirements of 3.8b).
d) Inspection on the circular runout tolerance, the parallelism tolerance and
flatness tolerance of foot supporting surface and the symmetry tolerance of key
groove: The circular runout tolerance shall meet the requirements of 3.8c) and
3.8d). The parallelism and flatness tolerance of the foot supporting surface shall
respectively meet the requirements of 3.8e) and 3.8f). The symmetry tolerance
of key groove shall meet the requirements of 3.8g). The flatness tolerance of the
foot supporting surface and the symmetry tolerance of key groove may be
inspected on spare parts.
6.1.4 During exit-factory inspection, items in b) and c) of 6.1.2, and c) and d) of 6.1.3
may be inspected randomly according to the method formulated by the manufacturer
according to GB/T 2828.1.
6.2 Type inspection
6.2.1 Type inspection shall be carried out under one of the following conditions.
a) If the manufacturer conducts trial manufacture or small-lot trial production for
the first time after identification and approval;
b) If the changes in the design or technology of motor are sufficient to cause the
change of some characteristics and parameters;
c) If impermissible deviation occurs between the inspection test results and
previous type test results;
d) Periodical random inspection for mass produced motors once annually; if too
many samples are needed for the test, interval time for the test may be duly
postponed, but at least once for every two years.
6.2.2 Type inspection items of motor include:
a) All inspection test items;
b) Determination of locked-rotor torque and current (during cold state);
c) Temperature rise test;
d) Determination of efficiency and power factor;
e) Short-time over-torque test;
f) Determination of maximum torque;
g) Determination of minimum torque during startup;
h) Overspeed test;
i) Determination of noise;
j) Determination of vibration.
6.2.3 The number of prototypes for type testing shall not be less than 3. If any
unqualified items are found in the products randomly inspected, the number of
products randomly tested for the item shall be doubled. If it is still unqualified, the
batch of products can only leave the factory after the unqualified items are eliminated
and passed the reinspection.
7 Marks, packaging, transportation
7.1 The nameplate material shall ensure the data on nameplate are durable throughout
the whole service life of the motor.
7.2 Nameplate shall be fixed on the upper half of motor frame, on which the following
items shall be indicated:
a) Manufacturer's name;
b) Motor name;
JB/T 1009-2016
JB
MECHANICAL INDUSTRY STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
ICS 29.160.30
K 22
Filing Number: ...
Delivery: 9 seconds. Download (& Email) true-PDF + Invoice.
Get Quotation: Click JB/T 1009-2016 (Self-service in 1-minute)
Historical versions (Master-website): JB/T 1009-2016
Preview True-PDF (Reload/Scroll-down if blank)
JB/T 1009-2016
JB
MECHANICAL INDUSTRY STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
ICS 29.160.30
K 22
Filing Number: 56609-2017
Replacing JB/T 1009-2007
YS series three-phase asynchronous motors - Specification
ISSUED ON: OCTOBER 22, 2016
IMPLEMENTED ON: APRIL 01, 2017
Issued by: Ministry of Industry and Information Technology of the People's
Republic of China
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative References ... 4
3 Types, basic parameters and dimensions ... 5
4 Technical Requirements ... 16
5 Test Methods ... 23
6 Inspection Rules ... 23
7 Marks, packaging, transportation ... 25
8 Quality guarantee period ... 27
Foreword
This Standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This Standard replaces JB/T 1009-2007 "Specification for YS series three-phase
asynchronous motors". Compared with JB/T 1009-2007, the main technical changes
in this Standard are as follows:
- Change the expression of motor cooling method;
- Add the voltage level of the motor;
- Introduce the latest requirements of IEC 60034-30-1. Introduce IE level
requirements. It stipulates the energy efficiency limit values for IE2, IE3 and
IE4 levels of motors with power of 120W and above;
- Delete the temperature rise requirement for Class E insulated motors. Add
temperature rise requirements for Class F insulation;
- Add the requirement that "safety items not specified in this Standard shall comply
with the provisions of GB 12350";
- Modify the technical requirements for "vibration";
- Revise Chapter 7. Add requirements for "transportation".
This Standard was proposed by China Machinery Industry Federation.
This Standard shall be under the jurisdiction of National Technical Committee on
Rotating Motors of Standardization Administration of China (SAC/TC 26).
The drafting organizations of this Standard: China Electrical Apparatus Research
Institute Co., Ltd., Wolong Electric Tuan Co., Ltd., Weikai Certification and Testing
Co., Ltd., Weikai Testing Technology Co., Ltd., Kaiping Sanwei Micro Motor Co.,
Ltd., Nanjing Nan Micro Motor Co., Ltd., and Guangzhou Micro Motor Factory Co.,
Ltd., Hangzhou Fusheng Electric Co., Ltd., Zhejiang Lianyi Motor Co., Ltd., Fujian
Mindong Motor Co., Ltd., Weihai Taifusima Motor Co., Ltd.
Main drafters of this Standard: Wang Jianqiao, Luo Junbo, Wu Yunshan, Zhang
Chuanjia, Zhou Xingen, Lu Xiaomao, Lin Zhenwei, Zhang Yunchang, Liu Haiping,
Shi Qiuling, Qu Hualong.
Versions of standard substituted by this Standard are:
- JB/T 1009-1991, JB/T1009-2007.
YS series three-phase asynchronous motors - Specification
1 Scope
This Standard specifies YS series three-phase asynchronous motor in terms of type,
basic parameters and dimension, technical requirements, test methods, inspection
rules, marks, packaging, transportation and quality guarantee period.
This Standard is applicable to YS series three-phase asynchronous motor (frame size
45~90) (hereinafter referred to as motor), and all other series motors derived from YS
series three-phase asynchronous motor may also refer to this Standard.
2 Normative References
The following referenced documents are indispensable for the application of this
document. For dated references, only the edition cited applies. For undated references,
the latest edition of the referenced document (including any amendments) applies.
GB/T 755, Rotating electrical machines -- Rating and performance
GB/T 1032, Test methods for three-phase asynchronous motors
GB/T 2828.1, Sampling procedures for inspection by attributes -- Part 1: Sampling
schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection
GB/T 4772.1, Dimensions and output series for rotating electrical machines. Part
1: Frame numbers 56 to 400 and flange numbers 55 to 1080
GB/T 4798.2, Classification of environmental conditions - Classification of groups
of environmental parameters and their severities - Part 2: Transportation and
handling
GB/T 4942.1, Degrees of protection provided by the integral design of rotating
electrical machines (IP code) -- Classification
GB/T 5171.1, Small power motors -- Part 1: General technical requirements
GB/T 10069.1, Measurement of airborne noise emitted by rotating electrical
machines and the noise limits -- Part 1: Method for the measurement of airborne
noise emitted by rotating electrical machines
GB 12350, Safety requirements of small-power motors
GB/T 12665, Requirements of damp-heat testing of electrical machine for service
in general environmental condition
GB/T 13126, General specification for damp heat protective packaging of
mechanical and electrical products
GB/T 13384, General specifications for packing of mechanical and electrical
product
GB/T 19142, Packaging for export commodity -- General rule
GB/T 22719.1, Interturn insulation of random-wound winding for AC low-voltage
electrical machines -- Part 1: Test methods
GB/T 22719.2, Interturn insulation of random-wound winding for AC low-voltage
electrical machines -- Part 2: Test limits
JB/T 10490, Measurement method, evaluation and limit of mechanical vibration of
low power motor
3 Types, basic parameters and dimensions
3.1 The protection level of motor enclosure adopts IP44, IP54 or IP55.
3.2 The cooling methods of the motor are IC411 and IC410.
3.3 The construction and mounting type of motors shall meet the requirements of
Table 1.
3.4 Rating of the motor is continuous based on continuous duty (S1).
3.5 The rated frequency of the motor is 50 Hz. Rated voltage is 220 V, 220/380 V, 380
V.
3.6 Motors shall be manufactured according to the following rated powers (in W):
10, 16, 25, 40, 60, 90, 120, 180, 250, 370, 550, 750, 1100, 1500, 2200.
3.7 The corresponding relation of frame size, rotating speed and power of motors
shall be in accordance with those specified in Table 2.
to the provisions of GB/T 755.
If the altitude and ambient air temperature of the operating location are different from
the provisions of 4.2 of this Standard, the temperature rise limit shall be revised
according to the provisions of GB/T 755.
4.11 Where the three-phrase power supply is balanced, the deviation of any one phase
of the three-phase no-load current of the motor from the three-phase average value
should not exceed ±10% of the three-phase average value.
4.12 Under thermal state or under the condition that the torque is increased gradually,
the motor shall be able to withstand over-torque test with 1.6 times the rated torque,
and be free of sudden change and stalling in rotation speed within 15s. During the test,
the voltage and frequency shall be at rated values.
4.13 Under no-load condition, the motor shall be able to withstand the overspeed test
for 2min, in a speed of 120% of its rated value, without injurious deformation.
4.14 The stator winding of the motor shall be able to withstand the withstand voltage
test for 1min without breakdown. The test voltage shall be as sinusoidal as possible.
The frequency is 50 Hz. The capacity of the test equipment shall not be less than 0.5
kVA. The effective value of the voltage is 1000 V+2UN. But the minimum is 1500 V.
The tripping current shall not be greater than 10 mA.
During inspection test for motors massively and continuously produced in large
quantity, test duration is allowed to be shortened to 1s. The effective value of the test
voltage shall be 1.2 times the withstand voltage test voltage value. The test voltage is
applied with a test rod.
4.15 The stator winding of the motor shall be able to withstand the inter-turn
insulation impact voltage withstand test without breakdown. Its impulse test voltage
(peak value) shall comply with the provisions of GB/T 22719.2. The inter-turn
insulation impulse withstand voltage test is also allowed to be replaced by an elevated
voltage test. The test is carried out when the motor is no-load. The external applied
voltage is 130% of the rated voltage and the time is 3min. When increasing the
voltage value to 130% of the rated voltage, it is allowed to increase the frequency at
the same time, but it shall not exceed 115% of its rated value.
4.16 The vibration intensity measured when the motor is no-load shall include
vibration displacement, vibration speed, and vibration acceleration. The limit value
shall comply with the provisions of Table 23.
5 Test Methods
5.1 The tests listed in 6.1.2 [excluding e) interturn impulse withstand voltage test] and
6.2.2 (excluding tests in i) and j)) are carried out according to GB/T 1032. The
inter-turn insulation impulse withstand voltage test in item 6.l.2e) of this Standard is
carried out in accordance with the provisions of GB/T 22719.1.
5.2 The measurement of noise shall be carried out in accordance with the provisions
of GB/T 10069.1.
5.3 The measurement of vibration shall be carried out in accordance with the
provisions of JB/T 10490.
5.4 The inspection of mounting dimensions and tolerances specified in 6.1.3 of this
Standard shall be carried out in accordance with the provisions of GB/T 4772.1.
5.5 During type test, withstand voltage test of stator winding to enclosure and that
between windings shall be conducted when the temperature of the motor is close to
the operating temperature and after insulation resistance measurement, overspeed test
and temporary over-torque test of the stator winding.
5.6 Enclosure protection level test and damp heat test of the motors may be conducted
in case of construction type approval or significant change of construction and
technology. The enclosure protection level test is carried out according to GB/T
4942.1 while damp heat test is conducted according to GB/T 12665.
6 Inspection Rules
6.1 Exit-factory inspection
6.1.1 Each motor shall not leave the factory until being qualified in the exit-factory
inspection and shall be accompanied by product certificate.
6.1.2 Exit-factory inspection items include:
a) Mechanical inspection (according to 6.1.3 and 6.1.4);
b) Determination of the insulation resistance of the stator winding to enclosure
and that between the windings;
c) Determination of DC resistance of stator winding at actual cold state;
d) Withstand voltage test;
e) Stator winding inter-turn insulation impact withstand voltage test or elevated
voltage test (inter-turn insulation impact withstand voltage test can be
implemented during the production process);
f) Determination of no-load current and loss (no load characteristic curve needs
to be measured during type inspection);
g) Determination of locked-rotor current and loss (during cold state).
6.1.3 Mechanical inspection items of motor include:
a) Rotation inspection: when the motor rotates, the steering shall be correct; the
rotation shall be smooth and brisk, without stagnation; the sound shall be
uniform and harmonious without harmful noise.
b) Appearance inspection: inspect whether the motor assembling is intact and
correct, and the motor surface paint shall be dry, intact and uniform without
stains, damage or crack.
c) Inspection on mounting dimension, boundary dimensions and dimensions of
key: both mounting and boundary dimensions shall meet the requirements of
3.8a), while the dimensions of key shall meet the requirements of 3.8b).
d) Inspection on the circular runout tolerance, the parallelism tolerance and
flatness tolerance of foot supporting surface and the symmetry tolerance of key
groove: The circular runout tolerance shall meet the requirements of 3.8c) and
3.8d). The parallelism and flatness tolerance of the foot supporting surface shall
respectively meet the requirements of 3.8e) and 3.8f). The symmetry tolerance
of key groove shall meet the requirements of 3.8g). The flatness tolerance of the
foot supporting surface and the symmetry tolerance of key groove may be
inspected on spare parts.
6.1.4 During exit-factory inspection, items in b) and c) of 6.1.2, and c) and d) of 6.1.3
may be inspected randomly according to the method formulated by the manufacturer
according to GB/T 2828.1.
6.2 Type inspection
6.2.1 Type inspection shall be carried out under one of the following conditions.
a) If the manufacturer conducts trial manufacture or small-lot trial production for
the first time after identification and approval;
b) If the changes in the design or technology of motor are sufficient to cause the
change of some characteristics and parameters;
c) If impermissible deviation occurs between the inspection test results and
previous type test results;
d) Periodical random inspection for mass produced motors once annually; if too
many samples are needed for the test, interval time for the test may be duly
postponed, but at least once for every two years.
6.2.2 Type inspection items of motor include:
a) All inspection test items;
b) Determination of locked-rotor torque and current (during cold state);
c) Temperature rise test;
d) Determination of efficiency and power factor;
e) Short-time over-torque test;
f) Determination of maximum torque;
g) Determination of minimum torque during startup;
h) Overspeed test;
i) Determination of noise;
j) Determination of vibration.
6.2.3 The number of prototypes for type testing shall not be less than 3. If any
unqualified items are found in the products randomly inspected, the number of
products randomly tested for the item shall be doubled. If it is still unqualified, the
batch of products can only leave the factory after the unqualified items are eliminated
and passed the reinspection.
7 Marks, packaging, transportation
7.1 The nameplate material shall ensure the data on nameplate are durable throughout
the whole service life of the motor.
7.2 Nameplate shall be fixed on the upper half of motor frame, on which the following
items shall be indicated:
a) Manufacturer's name;
b) Motor name;
JB/T 1009-2016
JB
MECHANICAL INDUSTRY STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
ICS 29.160.30
K 22
Filing Number: ...
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