1 Scope
This standard specifies type, basic parameter and dimension, technical requirements, test methods, inspection rules and requirements for marking, packaging, storage and transportation of YU series resistance start asynchronous motor.
This standard is applicable to YS series resistance start asynchronous motor (frame size 63~90) (hereinafter referred to as motor) and used by motors derived from this series for reference.
2 Normative References
The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments to (excluding corrections to), or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to study whether the latest edition of the normative document is applicable. For undated references, the latest edition of the normative document applies.
GB/T 191-2000 Packaging-Pictorial Marking for Handling of Goods (eqv ISO 780:1997)
GB 755-2000 Rotating Electrical Machines-Rating and Performance (idt IEC 60034-1:1996)
GB/T 2828.1-2003 Sampling Procedures for Inspection by Attributea - Part 1: Sampling Schemes Indexed by Acceptance Quality Limit (AQL) for Lot-by-lot Inspection" (ISO 2859-1:1999, IDT)
GB/T 4772.1-1999 Dimensions and Output Series for Rotating Electrical Machines - Part 1: Frame Numbers 56 to 400 and Flange Numbers 55 to 1080 (idt IEC 60072-1: 1991)
GB 4942.1-2006 Degrees of Protection Provided by the Integral Design of Rotating Electrical Machines (IP Code) - Classification (IEC 60034-5: 2000, IDT)
GB/T 9651-1988 Test Procedure for Single-phase Induction Motor
GB/T 10069.1-2006 Measurement of The Airborne Noise Emitted by Rotating Electrical Machinery and The Noise Limits - Part 1: Method for the Measurement of Airborne Noise Emitted by Rotating Electrical Machines (ISO 1680: 1999, MOD)
GB 12350-2000 Safety Requirements of Small-power Motors
GB/T 12665-1990 Requirements of Damp-heat Testing of Electrical Machine for Service in General Environment Condition
JB/T 9547-1999 Specification for Centrifugal Starting Switch Use of Single-phase Motor
JB/T 9615.1-2000 Test Methods of the Interturn Insulation on Random Wound Winding for AC Low-voltage Machines
JB/T 9615.2-2000 Test Limits of the Interturn Insulation on Random Wound Winding for AC Low-voltage Machines
JB/T 10490-2004 Mechanical Vibration of Small Power Motors - Measurement, Evaluation and Limits of Vibration
3 Types, Basic Parameters and Dimensions
3.1 The enclosure protection levels of motors are IP44, IP 54 and IP 55.
3.2 The cooling method of motors is IC 01 41.
3.3 The construction and mounting type of motors shall meet the requirements of Table 1.
Table 1
Frame size Construction and mounting code (IM)
63~80 B3, B5, B14, B34, V1, V3, V5, V6, V18, V19
90 B3, B5, B14, B34, B35, V1, V3, V5, V6, V18, V19, V36
3.4 Rating of the motor is continuous based on continuous duty (S1).
3.5 The rated frequency of the motors is 50Hz; the rated voltage is 220V.
3.6 Motors shall be manufactured according to the following rated powers (in W):
60, 90, 120, 180, 250, 370, 550, 750, 1100
3.7 The corresponding relationship of the frame size, speed and power of motors shall be in accordance with those specified in Table 2.
Table 2
Frame code Iron core code Synchronous speed
r/min
3000 1500
Power
W
63 1 90 60
2 120 90
71 1 180 120
2 250 180
80 1 370 250
2 550 370
90 S - 750 550
L - 1100 750
3.8 Dimensions and tolerances of the motors:
3.8.1 The mounting dimensions and tolerances of motors shall meet the requirements of Figures 1~ 5 and Tables 3~ 7, the boundary dimensions shall meet the requirements of Figures 1~5 and Tables 3~ 7.
3.8.2 Dimensions and their tolerances of motor shaft extension keys shall be in accordance with those specified in Table 8.
3.8.3 The radial circular run-out tolerance half the length of shaft extension shall be in accordance with those specified in Table 9.
3.8.4 The radial circular run-out tolerance of flange spigot to the motor axis and the end face circular run-out tolerance of flange mounting-plain to the motor axis shall be in accordance with those specified in Table 10.
3.8.5 The parallelism tolerance of motor axis to the foot supporting surface is 0.4 mm.
3.8.6 Flatness tolerance of foot supporting surface of the motors shall be in accordance with those specified in Table 11.
3.8.7 Symmetry tolerance of key groove on motor shaft extension shall be in accordance with those specified in Table 12.
4 Technical Requirements
4.1 The motors shall meet the requirements of this standard and shall be manufactured according to the drawing and technical documents approved by established procedure.
4.2 The motors shall be capable of operating in rated conditions under the following altitude, ambient temperature and relative ambient humidity.
4.2.1 The altitude is less than or equal to 1000 m.
4.2.2 The maximum ambient temperature varies with different seasons but is less than or equal to 40℃.
4.2.3 The minimum ambient temperature is -15℃.
4.2.4 The maximum monthly mean relative humidity of the most humid month shall be 90 %
Contents
Foreword I
1 Scope
2 Normative References
3 Types, Basic Parameters and Dimensions
4 Technical Requirements
5 Test Methods
6 Inspection Rules
7 Marking, Packaging, Transportation and Storage
8 Warranty Period
