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Light Industry Industry Standard of the People's Republic of China
QB/T 2251 ~2257--96
Sewing machine
1996-11-15 Issued
Issued by China Light Industry Federation
1997-07-01 Implementation
Light Industry Industry Standard of the People's Republic of China
Household sewing machine
Motor and speed regulator
QB/T 2257-96
Originally 6Y! 7C2: B9's energy and this time we will gradually [internal devices,
light use of W package chain machine electric hang and manufacturing of the whole device, specifications expanded correction 186, 10000:/min, and added 11 core V6nTz part: cancel the wide use of harmful, empty number of turns, pain input power: a elimination of the grounding mark, potential rate, with part of the wiring, name bomb, road horse increased special transfer, power interference, rapid seat, etc. for abandonment: add the "training capture music", the potential structure of the seat and the inverter and the through-hole protection, sound and according to the dynamic tunnel and test conditions coup: add "with state" for absolute circuit resistance factory test - supplement the test method of Xie Lizu several parts of the price inspection hot purchase according to G2828--8 wet inspection production counting sample sequence and sampling table and G128-87 use period variable counting throwing sample and shooting sample 3 Now it is determined. This standard is drafted by the Research and Development Department of China Federation of Trade Unions and the National Sewing Machine Standardization Center. The drafting units are: Shanghai Wire Mesh Machine Research Institute, Shangyou Electric Appliance Factory, Ningbo Weite Motor Factory. The original author of this standard is Wei Huiren, and the only one is Wang Jinduan. From the implementation of this standard, the original professional standard Z11u24-89 "Household Sewing Machine Motor Speed Regulator Specifications, Scope of the People's Republic of China Light Industry Industry Standards "Household Sewing Machine Motor Speed Regulator Q/2267.98" specifies the product classification, technical requirements, test methods, inspection and measurement of household power motors (hereinafter referred to as "electric motors") and speed regulators for household sewing machines. This standard applies to single-phase fan speed regulators of home-made electric motors with rated power not exceeding the rated impulse, and motor speed regulators with rated power not exceeding the rated continuous power, which can be used in manual mode. 2 Reference standards
The following standards contain the following provisions, which constitute the provisions of this standard. At the time of publication of the standard, the versions shown are all valid, and all standards are valid. If the specifications are not specified, the latest versions of the following standards can be used.
(H755-67) Technical requirements for load-carrying motors GB21233-81 Basic environmental inspection specifications for electric products C5: Filter heat test method GB2826-87 Sampling sequence and sampling table for each connection GD2820-87 Weekly inspection procedures and sampling tables G4S-84 Electric tools, household appliances and other types of electrical appliances to avoid only non-load resistance and special medical testing methods and classification B471-92 General requirements for household electrical appliances for safety GB50331-85 Bottles 455/15V discharge 2-case chlorine-free insulation (cut) - General provisions GB128-Single-phase series electric test method
GB10068.1-85 Method for determining the power of a motor and the limit value method for determining the power of a motor GB1DD60, 1-88 Method for determining the power of a motor and the limit value method 2517004-85 Rated power refers to the nominal input power of the motor. Product classification 4.1 Specifications 4.1.1 Rated voltage of the motor regulator is 220V/50H2 or 10V/6C11z: 4.12 The working mode of the motor is intermittent. Approved by China Light Industry General Association in 1996-1115 Implementation in 1997--07-01 QB/r 225t-86
car 1.3 rated power of electric motor see table 1 I
rated power of electric motor
rated power of electric motor see table 1. 2 electric motor rated speed
4. Model of electric motor
model consists of the first part, the first part represents the flow of the motor, the third part represents the rated current, and the fourth part represents the speed. Display: W, 220, occr/mi motor plastic H
4.3 related dimensions
micro-speed position effect
rated voltage position effect
Xie Dingli's hundredth position effect and the following
purple The installation dimensions of the external motor for home use are shown in Figure 1, but the products used in special occasions are not restricted. Installation 44 The motor should be able to work normally in the F series environment a) The sea temperature should not exceed 1030m b) The ambient air temperature is 10-20°C and the relative humidity of the ambient air is less than 90 (C). If the above environment is exceeded, it should be handled in accordance with the provisions of Ⅱ755. YTTKNUKa
5 Technical requirements s.1 Surface quality
Empty frame
Continuous machine body
QB/T 2257—9
Figure Installation drawing of external mounted motor
V-type rubber
The motor and connector should not have obvious dry spots, flow, plating lines, bubbles, box disorder, bottoming, scratches, cracks and contamination.
5.2 Shaft appearance and anti-jump
The axial clearance of the motor should be less than o.>mm, and the radial runout at the shaft end should be less than Jo,m. 20
6.8 Insulation resistance
QB/T 2257-6
When the motor is in a stable hot state, the insulation resistance of the motor group to the shell shall not be less than 2M, the insulation resistance of the regulator shall not be less than M2, and the insulation resistance of the power supply terminal shall not be less than M. During the test, the insulation resistance measured in the room shall generally not be less than 20M6.4 Voltage
The motor group can withstand the external voltage test of 1595V for 1m without flashover or breakdown. Class II electrical appliances: The test voltage between the electric parts and the live parts is 76V, the basic insulation test voltage of the insulation parts is 10V, and the additional insulation test voltage is 2500V.
5.5 Locked-rotor torque
The guaranteed value of the ratio of the motor's rated torque to the rated torque at rated voltage and rated frequency is shown in Table 4. The allowable tolerance of the above ratio is -10%.
Table 4 Ratio of locked-rotor torque to rated torque
Switching torque/rated torque
5.6 Commutation spark
The commutation spark of the motor during rated operation shall not exceed level 5.7 Over-power
The guaranteed value of the power factor 0s when the motor is running at rated voltage, rated frequency and rated torque is shown in Table 5. The tolerance of r is -3.05, the power factor is -(1-r.5), but at least -0.02. Table 5 Guaranteed values of efficiency and power parameters
Color
6.8 Speed
0B/T2267—96
The speed of the motor during rated operation should be within the range of +15° and -5°. 5.Noise
The A-weighted sound power level noise value measured when the motor is rotating at rated speed in air shall not exceed the specified speed in Table 6. Noise
The rated speed value of the motor shall not exceed the specified speed in Table 6.5.10The rated speed value of the motor when rotating at rated speed in air shall be less than that specified in the table. 5.11Radio interference
When there is no power requirement, the motor shall comply with the allowable value specified in Article 4,1 of 434. 5.Overspeed
The motor shall be able to withstand 1,1 times the rated voltage and 2ri overspeed test without any deformation. 5.18During the temperature rise test, the temperature rise of the motor shall not exceed that specified in the table, and the accumulated temperature of the speed regulating parts shall not exceed that specified in the table. Table of motor wet rise
outside bearing joint
outside competition upper center
fixed part
suspected board clothing and
5,14 over torque
bridge material
(A plastic pool)
(F grade)
QB/T2267-B5
When the electric Kai bottle reaches the rated state, it can withstand the short-term over torque test of 1 inductor for 15s without causing or deforming, and can pass the test with the resistance and the core of the sheet. 5.15 leakage current
the motor and the speed reducer are: 6 hall rated core output and correct meaning 1. The full light proof is not more than 0.5mA, the electric pot is not more than 0.250A
6.16 Endurance
During the durability test of the motor, there should be no electrical or mechanical failure that would damage the requirements of this standard, nor should there be any damage to the base or connection parts due to heat or vibration, and it should be able to withstand the station voltage test: 5.17 Energy consumption of the speed regulator
After the speed measurement test is completed 10,000 times, there should be no battery point stimulation, parts cycle, etc., to prevent other electrical and mechanical abnormalities.
5.18 Maximum speed (for chain machine)
The motor is installed on the sewing machine, and the minimum speed of the machine under control shall not exceed 60/m5. 5.19 Power connection
The power supply should be flexible and not less than 1m, and the nominal carbon fiber of the core should not be less than 3.51n. The effective length of the wire between the intermediate plug and the inverter should not be less than 2m, and the effective length of the wire between the intermediate plug and the inverter should not be less than 1.m.
b) The connection between the motor and the inverter should use a common intermediate plug, and there should be no missing parts after the plug and the inverter are separated.
) The inverter line should be fixed and not subject to tension and torsion. After the light test, the longitudinal displacement of the wire at the outlet shall not exceed 2.1 mm, and the displacement of the wire at the connection part shall not exceed 1 mm. There shall be no obvious deformation at the connection part.
5.20 Specifications
a) The main components shall be made of other materials, and the materials shall have durability:) Electrically sensitive steel and steel materials shall be used, light storage, degreasing or other anti-rust treatment, and materials that will not oxidize shall not be limited by this.
) The core material shall be made of conductive, heat-resistant materials, alloys or other materials with the same conductivity, and shall not be mechanically resistant and rust-resistant. However, the parts that are not necessary for external or medium construction are not limited under the premise of not causing any damage,
d) Self-insulating materials connected with non-electrical parts shall be used, and materials that are not other than thermos bottles shall be used. ) Under normal circumstances, the core parts of the gear should not be exposed, and the shape should be correct and the installation should be good: f) The outlet holes should be protected by adding insulating tubes or other appropriate methods: 9) The recommended working temperature of the hole should be able to operate at a temperature above two operating distances. h) The structural materials should not be used in combination with other flammable materials. 1) The speed regulator housing should be fully protected against electricity, and accidental contact between people and live parts must be avoided. It should be able to pass the test of the standard test in Figure GD4736.1 (621). The internal points should be appropriately protected to effectively prevent emergency materials, heating parts, etc., and the core wire should be effectively cut off from contact with the active parts. TTKNUKA
QE/T2267-96
The speed regulator is shielded, and the gentleman wire joints are connected with a welding pot. Loosening of the contact may cause fire or other accidents. The wires must be fixed with heat before heating. 5.22 Grounding mark
The motor has a terminal for connecting the ground wire. The wiring should be marked with a "card" symbol. This mark should not be placed on parts such as screw pads.
5.28 Electrical distance and electrical spacing
. The electrical distance between the live and non-live metal parts of the motor and between the different polarity conductors should not be less than the specified value in Table C:
Table! 0 The electrical distance between the battery and the rest of the battery
15n~250
b) The electrical distance between the battery and the non-electrical parts and the electrical distance between the charged parts of different polarities shall not be less than the requirements in Table 11
Table 11 Electrical distances, creepage distance, certain parts of the battery, certain parts of the metal that are not easy to stand, and other parts
) The electrical distance between the outlet lines, the electrical distance between the outlet terminals and the non-charged parts shall not be less than the requirements in Table 2. Table 2 Capacitors and capacitors Electrical space between lines Good or negative poles Different polarity bands Electric cattle system 24: Road signs and signs Fixed, unused places Other places Fixed, uncontaminated places Comparison of battery area 150-200 Motors and speed controllers should be clearly marked with complete nameplates to ensure that no fire is recorded during the entire use period. 5.25 Mixing test QB/I 2251—6 Motors and speed controllers should only have certain protection. After the replacement test, it should be able to pass the insulation resistance and withstand test. The positive voltage is 3, and the voltage is 2.6 Test method
6.1 Table quality verification
Online 60020c1x, high 5-place current control, the current observation time is not 2. B.2 Shaft door light directional control check
The steering time of the motor output oil is measured with a percentage load. When the light directional control is measured, the center is set at the machine level, and the motor is measured at the high dog output end face. B,3 Insulation resistance measurement
Insulation resistance measurement dial 13812B Section 4 production period. When the test results are inconsistent with the type test results: the type test results are not correct, www.bzxz.net
9.4 Also test
according to B8126 Section 14. .5 Stall protection determination
Electric motor stall torque test data (BMI2s Article A is generally specified. The rated torque value of the motor is determined in Table 3. Table 13 Rated torque value of the motor
Rated station connection
Leading must be
6.6 Change spark inspection
Electric motor change spark inspection according to the provisions of Chapter 18123. 6,7 Efficiency and efficiency determination
Electric motor efficiency new attack rate pressure number determination (3128 Article Zhuo determination, test brain load determination according to Table 136 daily line speed determination
Electric motor speed Xie disease and this standard 6, at the same time, mystery, 6.9 Noise determination
Electric motor noise according to H100, 1 provisions. rKNrK
QB/T 22$7--96
6.10 Disassembly test
The motor shall be tested according to GB1510008, 1. 8, 11 Electric interference test
The motor shall be tested according to GB4343. 12 Speed avoidance test
The motor shall be tested according to GB8128, 13. 6.18 Wet rise test
6,131 The motor shall be tested according to GB8128, 14. 6.18 Wet rise test
The motor shall be tested according to GB8128, 15. 6.19 Wet rise test
The motor shall be tested according to GB8128, 16. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. 31. 32. 33. 34. 35. 36. 37. 38. 39. 40. 41. 42. 43. 44. 45. 46. 47. 48. 49. 50. 51. 52. 53. 54. 55. 56. 57. 58. 59. 60. 61. 62. 63. 64. 65. 66. When the test reaches stability, according to the test results shown in 14, the test method should be more! ! More, 》8th, single now, go to 14 bottles of chicken to send
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Social creation is the method
6,13,2 Speed regulator temperature rise test
At rated voltage and rated frequency, the speed regulator is in the lowest speed gear, so that the speed regulator passes the current equivalent to half of the provisional current, and starts? .6is, stops 7.5s of the city test installation, the speed regulator has not reached the transfer value, use mixed Meter method to determine the loss of the regulator switch or large dependence. For the inductor type speed regulator, if there are more than two energy groups, it should be tested under the short-circuit state, 6.14 Over-torque test
The motor over-torque test shall be in accordance with G828 Section 1. 6.15 Slippage current test
The motor and speed regulator are suitable for the boiler connection 4706, 1 Section 13. 6, and the durability test
The motor is 1 times and .9 times the rated value. Under the rated probability and rated torque, the test is reported in 7.1, and the detailed 7.5s are respectively run for a period of time. 16h.
6.17 Speed regulator performance test
Special speed regulator in the circuit, at the same time reduce the power to the rated current of the electric motor, and operate the speed regulator at 15 times per minute,
8, 8 minimum speed (sewing machine) set to install it on the matching engine that has passed the inspection, the sewing machine is not in the hand, without chain, lift the pressure, the number of traces and the most human condition, the operator should do the manual setting, and the automatic operation should be completed. Then the speed regulator is operated to reduce the speed again, until it reaches the minimum speed of 8
6.19 Beiyuan Ruishuang received the inspection
QB/T 2257-- 96
Can! Source building grid surface service length width heat light question model now Jian implementation sales:) Zhongzhou super head and whether to adopt the electric parts, the standard grease to test.
e Niu source model for the selection of buckle and force agent, model light driving 5 so the ability 25 times, this small space in the most unfavorable direction to implement. Catch up! , not the whole of the creation, but the control of the female show the test (, the test and obtain the Yicheng have a period of effect,
also said for the torque
6.20 structure inspection
also the engine and reducer Shao inspection consultation installation use visual grab, 5.2) according to B471 No. abandoned limit. 6.21 Internal wiring theory*
The internal source of the speed controller is designed and installed (: Mountain 4 said: the routine certification. 6.22 Grounding mark inspection
The grounding mark inspection adopts the inspection.
6.28 Micro-center point and center gas interval reduce the capital
Become 02m vernier ruler measurement.
6.24 Training plate mark flow book
Wheel plate mark inspection whether to use the support inspection.
6.25 Mixed heat test
The motor and the regulator start the super test according to B24231 period of production inspection specification
1 The factory product must undergo the factory quality change, and the quality inspection platform certification. 7.2 Inspection is divided into factory inspection (delivery inspection) Asian inspection (creation inspection) network category. 7,2,1 out) Inspection
Production start-up ratio, receiving free payment report 4 marked factory inspection question company selects the inspection station. 7.2.2 Type hot test
In the following cases, the manufacturer needs to conduct full production quality inspection and conduct type test inspection. ! New products or old products will be! Production trial type adjustment:) After formal production, if the structure, material, and process have significant changes, which can affect product performance: TKNKE
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