CN101227124A - Insulating treatment method for motorcycle starting motor rotor - Google Patents
Insulating treatment method for motorcycle starting motor rotor Download PDFInfo
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- CN101227124A CN101227124A CNA2007101909045A CN200710190904A CN101227124A CN 101227124 A CN101227124 A CN 101227124A CN A2007101909045 A CNA2007101909045 A CN A2007101909045A CN 200710190904 A CN200710190904 A CN 200710190904A CN 101227124 A CN101227124 A CN 101227124A
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- starting motor
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- motorcycle starting
- motor rotor
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Abstract
A processing method for insulating a motorcycle starting motor is characterized in that the method comprises first preheat processing on a rotor, wherein the preheating time is 600-800s, and the preheating temperature is 135+-10 DEG C, second, dropping varnish on the rotor until insulating varnish is saturated on the rotor winding, namely spilling phenomenon occurs, third, levelling the rotor, wherein the levelling time is 600-800s, and the temperature is 140+-10 DEG C, fourth, solidifying the insulating varnish of the rotor, wherein the solidifying time is 700-800s, the solidifying temperature is 150+-10 DEG C, and then preserving heat under the temperature of 160+-10 DEG C for 1200-1500s, and flowing out, fifth, coating epoxy powder on the rotor, ensuring the power to coat on the rotor winding evenly, completely filling a gap with the epoxy powder, sixth, cleaning surplus epoxy power on the rotor, seventh, leveling the rotor, ensuring the epoxy powder on the surface of the rotor to completely defreeze and level, eighth, solidifying the coating layer of the rotor, and ensuring good solidification and then flowing out. The method has low cost, and the quality of products is guaranteed.
Description
Technical field
The present invention relates to the technology of rotor insulation processing, especially the insulation processing of motorcycle starting motor rotor and some micro-machine rotors.
Background technology
The insulating treatment process of the starter motor rotor coil of domestic production at present, mainly adopt following two kinds of technologies: process program I, coiling back rotor coil drips lacquer; Process program II, the rotor coil coating of coiling back.These two kinds of schemes all have shortcoming, scheme I shortcoming is, 1. because dripping impregnating varnish is rarer, coil is thicker, rotor drips the coil and the nexine coil that coat with lacquer the back appearance may not be bonding fully, cause antivibration, centrifugal force resistant ability, mechanical performance to descend, under the operational environment of high temperature and high speed, be prone to coil and throw away the disconnected fault of bundle; 2. commutator and coil junction are easily caused electrical equipment to connect and are opened circuit because insulating varnish can not cover, and mechanical strength descends; Scheme II shortcoming is, 1. because coil adopts epoxy coated technology, though overall mechanical strength (comprising coil and junction) strengthens, but because epoxy coated poor permeability, inner enamelled wire is in rich system process owing to the impregnation of naked body, and the magnet wire insulation layer has damage, insulating barrier does not obtain repairing and causes coil inside electric property and heat resistance to descend, and easily causes Inside coil to blow.
Summary of the invention
The invention solves in the prior art strength problem of single lacquer outer coil and commutator coupling part, solved the coil electrical equipment intensity that single coating brings and the problem of heat conductivility difference again.Concrete technical scheme is:
A kind of insulating treatment method for motorcycle starting motor rotor comprises the following steps:
1) rotor is carried out The pre-heat treatment, warm-up time, 600-800s, preheat temperature were 135 ± 10 ℃;
2) rotor is dripped lacquer, insulating varnish is saturated on the rotor winding, has spillover to get final product;
3) rotor is carried out levelling, flow time 600-800s, 140 ± 10 ℃ of temperature;
4) insulating varnish to rotor is cured, curing time 700-800s, 150 ± 10 ℃ of curing temperatures; Flowing out behind the insulation 1200-1500s under 160 ± 10 ℃ of temperature then;
5) to rotor coating epoxy powder, guarantee that powder is even on the rotor winding, the space is filled fully by the epoxy powder;
6) remove unnecessary epoxy powder on the rotor;
7) rotor is carried out levelling, guarantee that the epoxy powder on surface melts levelling fully;
8) coating to rotor is cured, and guarantees to solidify good back and flows out;
In the above-mentioned steps: completing steps 1)-4) after must in 8 hours, enter step 5), dry weather can enter step 5) in 16 hours; If surpass 8 hours, just can enter step 5) after then needing to dry processing.
Step 2) finish in the both-end trickle impregnation machine, two patent driers are parallel, and two patent driers place the rotor core top when dripping lacquer, at iron core end face and line bag intersection, guarantee not contact rotor.
Step 2) in, drips lacquer rotor simultaneously, insulating varnish is flowed in the iron core space; After dripping the lacquer end, continue rotor, insulating varnish is evenly full on the rotor winding.
Before step 5), also comprise step: at two ends of rotor cover protective sleeve; After step 8), also comprise step: take off protective sleeve.
Step 5) is to finish in the electrostatic coating machine, powder air pressure 0.08-0.2MPa electrostatic potential 60-80KV in the control, powder feed rate 15-35HZ, time 20 ± 3s.
Step 7) is to finish in the high-frequency induction heating drying tunnel, control high frequency voltage: 6-8KV, sun stream: 2.5-3.3A, grid current: 0.3-0.5A, filament voltage: 8 ± 1V, screw mandrel speed: 30-40HZ, time 50 ± 5s.
Step 8) is to finish 170 ℃ ± 5 ℃ of curing temperatures, time 50-60s, screw mandrel speed: 30-40HZ in the heating drying tunnel; The good standard of described curing is to solidifying the rotor that the heating drying tunnel flows out, to press down the coating that is cured, resilience immediately with needle point.
Described insulating varnish is obtained after by mass ratio (1: 50) ± 5% mixing and stirring by low volatilization solvent-free impregnating resin curing agent and H level dripping impregnating varnish.Described epoxy powder is homemade CZ260-5 electric insulation resin, and this epoxy powder degree is the 200-500 order.
Compared with prior art, the present invention has following advantage:
1, adopt trickle impregnation machine and the coating machine market price is very low is easy to purchase, equipment simply also is easy to self-control;
2, drip a lacquer and an epoxy coated processing because this method combines, not only solved former list and dripped the strength problem of lacquer outer coil and commutator coupling part but also solved coil electrical equipment intensity that single coating brings and the problem of heat conductivility difference;
3, the coating protective sleeve that has been epoxy coated specialized designs can be protected except that iron core needs epoxy coated zone not polluted by epoxy.
4, be the 1/10-1/6 of existing method cost.
Description of drawings:
Fig. 1 drips the lacquer schematic diagram
Fig. 2 is that rotor puts coating protective sleeve schematic diagram
Collet 1., rotor core 2., drip patent drier 3., protective sleeve 4.
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is further illustrated.In the present embodiment, device therefor has both-end trickle impregnation machine, defeated lacquer pump, frock, electrostatic coating machine.It is homemade according to rotor removing frock, and miscellaneous equipment is existing known equipment.
A kind of insulating treatment method for motorcycle starting motor rotor, step comprises:
1, rotor drips lacquer
(1) rotor tooth portion one end is packed into the collet of frock manually clamps rotor;
(2) rotor is carried out The pre-heat treatment, warm-up time, 720s, preheat temperature were 130 ℃;
(3) rotor after the preheating enters the both-end trickle impregnation machine and drips lacquer;
(4) start defeated lacquer pump, defeated lacquer pump isolated input lacquer in the trend transmission pipe after adjusting defeated lacquer pump delivery; Regulate two patent drier positions, make that two patent driers place the rotor core top when dripping lacquer,, do not contact rotor at iron core end face and line bag intersection;
(5) along with the rotation of rotor, drip patent drier output insulating varnish and flow in the iron core space, keep dripping lacquer 12s, close defeated lacquer pump idle running rotor 40s;
(6) rotor enters levelling district levelling, flow time 720s, 140 ℃ of temperature;
(7) rotor enters curing area and solidifies, curing time 780s, 150 ℃ of curing temperatures,
(8) behind 160 ℃ of 2 humidity province insulation 1440s, flow out;
2, rotor is epoxy coated
One puts protective sleeve with two ends of rotor prevents to pollute commutator and bearing guard and tooth portion when epoxy coated, sends into the electrostatic coating machine;
(2) in the electrostatic coating machine, powder air pressure: 0.12MPa in the control, electrostatic high-pressure 70KV, powder feed rate: 25HZ, time 20s guarantees that powder is even on the iron core, the space is filled fully by the epoxy powder;
(3) remove unnecessary epoxy powder;
(4) rotor enters the high-frequency induction heating drying tunnel, carries out levelling and handles, control high frequency voltage: 7KV, sun stream: 3A, grid current: 0.4A, filament voltage: 8V, screw mandrel speed: 35HZ, time 25s;
(5) enter the heating drying tunnel behind the levelling and solidify, guarantee 170 ℃ of curing temperatures, screw mandrel speed: 35HZ, time 50s solidifies the back and flows out, and takes off protective sleeve.To solidifying the rotor that the heating drying tunnel flows out, press down the coating that is cured with needle point, resilience immediately is then qualified.
In the above-mentioned technology: finish rotor and drip that must to enter rotor in 8 hours behind the lacquer epoxy coated, dry weather can the proper extension time, but must carry out dustproof anti-greasy dirt measure simultaneously in 16 hours.If surpass 8 hours, could apply after then needing to dry processing.
Described insulating varnish is to obtain after solvent-free impregnating resin curing agent and CH1 150-SB H level dripping impregnating varnish are stirred by the mixed of mass ratio (1: 50) ± 0.2%.Described epoxy powder is homemade CZ260-5 electric insulation resin, and this epoxy powder degree is the 200-300 order.
Claims (10)
1. an insulating treatment method for motorcycle starting motor rotor is characterized in that comprising the following steps:
1) rotor is carried out The pre-heat treatment, warm-up time, 600-800s, preheat temperature were 135 ± 10 ℃;
2) rotor is dripped lacquer, insulating varnish is saturated on the rotor winding, has spillover to get final product;
3) rotor is carried out levelling, flow time 600-800s, 140 ± 10 ℃ of temperature;
4) insulating varnish to rotor is cured, curing time 700-800s, 150 ± 10 ℃ of curing temperatures; Flowing out behind the insulation 1200-1500s under 160 ± 10 ℃ of temperature then;
5) to rotor coating epoxy powder, guarantee that powder is even on the rotor winding, the space is filled fully by the epoxy powder;
6) remove unnecessary epoxy powder on the rotor;
7) rotor is carried out levelling, guarantee that the epoxy powder on surface melts levelling fully;
8) coating to rotor is cured, and guarantees to solidify good back and flows out;
In the above-mentioned steps: completing steps 1)-4) after must in 8 hours, enter step 5), dry weather can enter step 5) in 16 hours; If surpass 8 hours, just can enter step 5) after then needing to dry processing.
2. according to the described insulating treatment method for motorcycle starting motor rotor of claim 1, it is characterized in that step 2) in the both-end trickle impregnation machine, to finish, two patent driers are parallel, and two patent driers place the rotor core top when dripping lacquer, at iron core end face and line bag intersection, guarantee not contact rotor.
3. according to claim 1 or 2 described insulating treatment method for motorcycle starting motor rotor, it is characterized in that step 2) in, drip lacquer rotor simultaneously, insulating varnish is flowed in the iron core space; After dripping the lacquer end, continue rotor, insulating varnish is evenly full on the rotor winding.
4. according to the described insulating treatment method for motorcycle starting motor rotor of claim 3, it is characterized in that before step 5), also comprising step: at two ends of rotor cover protective sleeve; After step 8), also comprise step: take off protective sleeve.
5. according to the described insulating treatment method for motorcycle starting motor rotor of claim 1, it is characterized in that step 5) is to finish in the electrostatic coating machine, powder air pressure 0.08-0.2MPa electrostatic potential 60-80KV in the control, powder feed rate 15-35HZ, time 20 ± 3s.
6. according to the described insulating treatment method for motorcycle starting motor rotor of claim 1, it is characterized in that step 7) is to finish in the high-frequency induction heating drying tunnel, control high frequency voltage: 6-8KV, sun stream: 2.5-3.3A, grid current: 0.3-0.5A, filament voltage: 8 ± 1V, screw mandrel speed: 30-40HZ, time 50 ± 5s.
7. according to the described insulating treatment method for motorcycle starting motor rotor of claim 1, it is characterized in that step 8) is to finish 170 ℃ ± 5 ℃ of curing temperatures, time 50-60s, screw mandrel speed: 30-40HZ in the heating drying tunnel;
8. according to the described insulating treatment method for motorcycle starting motor rotor of claim 1, the good standard of the described curing of its feature is to solidifying the rotor that the heating drying tunnel flows out, to press down the coating that is cured, resilience immediately with needle point.
9. according to the described insulating treatment method for motorcycle starting motor rotor of claim 1, it is characterized in that described insulating varnish is obtained after by mass ratio (1: 50) ± 5% mixing and stirring by low volatilization solvent-free impregnating resin curing agent and H level dripping impregnating varnish.
10. according to the described insulating treatment method for motorcycle starting motor rotor of claim 1, it is characterized in that described epoxy powder is homemade CZ260-5 electric insulation resin, this epoxy powder degree is the 200-500 order.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710190904A CN100576698C (en) | 2007-11-29 | 2007-11-29 | Insulating treatment method for motorcycle starting motor rotor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710190904A CN100576698C (en) | 2007-11-29 | 2007-11-29 | Insulating treatment method for motorcycle starting motor rotor |
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| CN101227124A true CN101227124A (en) | 2008-07-23 |
| CN100576698C CN100576698C (en) | 2009-12-30 |
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| CN200710190904A Expired - Fee Related CN100576698C (en) | 2007-11-29 | 2007-11-29 | Insulating treatment method for motorcycle starting motor rotor |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102142746A (en) * | 2010-11-22 | 2011-08-03 | 常州市裕成富通电机有限公司 | Insulation process of motor stator punching sheet for electric vehicle |
| CN102355098A (en) * | 2011-10-12 | 2012-02-15 | 文登奥文电机有限公司 | High-frequency cast aluminium rotor surface treatment process |
| CN101834495B (en) * | 2009-03-12 | 2012-04-18 | 上海电气集团上海电机厂有限公司 | Magnetic pole structure of AC/AC variable frequency rolled steel motor rotor and machining method thereof |
| CN110808647A (en) * | 2019-12-10 | 2020-02-18 | 广东隆鑫机车有限公司 | Rotor, motor and engine |
| CN111468377A (en) * | 2020-04-24 | 2020-07-31 | 捷和电机（江西）有限公司 | Rotor of industrial motor and thermoelectric powder coating method thereof |
| CN111876047A (en) * | 2020-07-16 | 2020-11-03 | 溧阳市永新绝缘粉末有限公司 | High-temperature-resistant rapid-curing insulating powder coating, preparation method and application method thereof |
| WO2021237959A1 (en) * | 2020-05-26 | 2021-12-02 | 苏州巨峰电气绝缘系统股份有限公司 | Insulation processing method of motor |
-
2007
- 2007-11-29 CN CN200710190904A patent/CN100576698C/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101834495B (en) * | 2009-03-12 | 2012-04-18 | 上海电气集团上海电机厂有限公司 | Magnetic pole structure of AC/AC variable frequency rolled steel motor rotor and machining method thereof |
| CN102142746A (en) * | 2010-11-22 | 2011-08-03 | 常州市裕成富通电机有限公司 | Insulation process of motor stator punching sheet for electric vehicle |
| CN102142746B (en) * | 2010-11-22 | 2012-11-28 | 常州市裕成富通电机有限公司 | Insulation process of motor stator punching sheet for electric vehicle |
| CN102355098A (en) * | 2011-10-12 | 2012-02-15 | 文登奥文电机有限公司 | High-frequency cast aluminium rotor surface treatment process |
| CN102355098B (en) * | 2011-10-12 | 2014-01-08 | 文登奥文电机有限公司 | High-frequency cast aluminium rotor surface treatment process |
| CN110808647A (en) * | 2019-12-10 | 2020-02-18 | 广东隆鑫机车有限公司 | Rotor, motor and engine |
| CN111468377A (en) * | 2020-04-24 | 2020-07-31 | 捷和电机（江西）有限公司 | Rotor of industrial motor and thermoelectric powder coating method thereof |
| WO2021237959A1 (en) * | 2020-05-26 | 2021-12-02 | 苏州巨峰电气绝缘系统股份有限公司 | Insulation processing method of motor |
| CN111876047A (en) * | 2020-07-16 | 2020-11-03 | 溧阳市永新绝缘粉末有限公司 | High-temperature-resistant rapid-curing insulating powder coating, preparation method and application method thereof |
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| Publication number | Publication date |
|---|---|
| CN100576698C (en) | 2009-12-30 |
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Granted publication date: 20091230 Termination date: 20121129 |