JB/T 1012-1991 Technical Specifications for YY Series Capacitor-Run Asynchronous Motors JB/T1012-1991 Standard download decompression password: www.bzxz.net

The People's Republic of China Pressurized Machinery Industry Standard JB/T10121991
1991-06-284
1992-07-01
G R2 0P uDEe/
1 Subject Content and Scope of Application
JB/T10121991
JB101277
This standard specifies the type, basic parameters and dimensions, technical requirements, test methods and inspection rules, and marking and packaging requirements of YY series capacitor-operated asynchronous motors.
This standard applies to YY series capacitor-operated asynchronous motors (frame sizes 45 to 90) (hereinafter referred to as motors). All motors derived from this series of motors can also be implemented as a reference. 2 Reference standards
GB4831
GB1993
GB5171
GB10069
GB10068
GB9651
GB2828
GB12350
Method for compiling motor product model
Basic technical requirements for rotating motors
Motor housing protection classification
Motor cooling method
Motor structure and installation type code
Motor dimensions and tolerances Motors with frame number 36~400 and flange number FF55~FF1080 or FT55~FT1080.
General technical requirements for small power motors
Determination method and limit of noise of rotating motors
Determination method and limit of vibration of rotating motors
Test method of single-phase asynchronous motors
Batch inspection counting sampling procedure and sampling table Safety requirements for small power motors
Packaging storage and transportation pictorial symbols
GB2900.27 Electrical terminology Small power motors GB12665
JB/Z294||tt ||Requirements for damp heat test of motors under normal environmental conditions Test method for insulation between scattered windings of AC low-voltage motors JB/DQ3619 General rules for quality classification of small-power motors
8 Types, basic parameters and dimensions
8.1 The enclosure protection grade of the motor is IP44. 3.2 Cooling method of the motor IC0141 for frame size 63 and above, IC0041 for frame size 56 and below. 3.3 The structure and installation type of the motor shall be in accordance with the provisions of Table 1. 1991-06-28 Mouse
1992-07-01
JB/T10121991
Structure and installation code (IM)
B3, B14, B34, V5, V6, V18, V19B3, B5, B14, B34, V1, V3, V5, V6, V18, V19B3, B5, B14, B34, B35, V1, V3, V5, V6, V18, V19, V36The rating of the motor is the continuous rating based on the continuous duty system (S1). 3.4
The rated frequency of the motor is 50Hz and the rated voltage is 220V. 3.5
The motor shall be manufactured according to the following rated powers:3.6
10,16,25,40,60,90,120,180,250,370,550,750,1100,1500,2200W8.7 The correspondence between the motor frame number, speed and power shall be in accordance with the provisions of Table 2. Table 2
Synchronous speed
Machine number
3.8 Motor dimensions and tolerances
Core code
The installation dimensions, tolerances and overall dimensions of the motor shall comply with the provisions of Tables 3 to 7. 8.8.1
(IMV5, IMV6)
JB/T1012k1991
Note: The terminal box is located at the top of the motor. It can also be placed on the side according to user requirements. The dotted line in the figure indicates the side terminal box. Table
Basic
Dimensions!
Basic
Dimensions
Note: 1) When the foot hole K is an oblong hole or the position is qualified, A/2 can be ignored. And
H63～90
Position
Outline dimensions
120110
18~30
Radial circular runout tolerancebZxz.net
The radial circular runout tolerance of the flange stop to the motor axis and the end circular runout tolerance of the flange mating surface to the motor axis shall comply with the provisions of 3.8.4
Table 10.
Flange stop diameter
110~130
The parallelism tolerance of the motor axis to the foot support surface shall comply with the provisions of Table 11. 3,8,5
Shaft center height
>60～90
The flatness tolerance of the motor foot support surface shall comply with the provisions of Table 12. Circular runout tolerance
Parallelism tolerance
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