CN106128745B - A kind of insulation against ground processing method unshakable in one's determination and Nomex mixing bonding agents - Google Patents
A kind of insulation against ground processing method unshakable in one's determination and Nomex mixing bonding agents Download PDFInfo
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- CN106128745B CN106128745B CN201610683178.XA CN201610683178A CN106128745B CN 106128745 B CN106128745 B CN 106128745B CN 201610683178 A CN201610683178 A CN 201610683178A CN 106128745 B CN106128745 B CN 106128745B
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- insulation against
- against ground
- unshakable
- determination
- iron core
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J163/00—Adhesives based on epoxy resins; Adhesives based on derivatives of epoxy resins
Abstract
The invention discloses a kind of insulation against ground processing method unshakable in one's determination and Nomex mixing bonding agents, including allotment bonding agent, tri- kinds of Nomex bonding agents of bonding agent ECN1280,709MP, 2E4MZ to mix.The allotment ratio of tri- kinds of Nomex bonding agents of ECN1280,709MP, 2E4MZ is 3:2:1(Weight ratio);Using the bonding agent after allotment, the wrapping of insulation against ground material is bonded on iron core;Processing is fixed in the iron core that wrapping has insulation against ground material;Iron core after fixing process is bakeed;Iron core carries out the steps such as coil baking by after coiling.The present invention can effectively solve the problems, such as excessive glue and the corrugation of insulation against ground material during coil baking, the wrapping of insulation against ground material is reached optimum efficiency, while wrapping quality problems unshakable in one's determination can be found before coiling, do over again in time.The present invention has extensive promotional value.
Description
Technical field
The present invention relates to magnetic suspension manufacturing technology field, more particularly, to a kind of insulation against ground processing method unshakable in one's determination.
Background technology
In recent years, with the development of magnetic levitation technology, domestic magnetic suspension train has started to develop, and development is very fast.Electromagnet
One of critical piece as magnetic suspension train, its performance are quite important.Electromagnet during fabrication, it is necessary on iron core coiling line
Circle, in order to prevent coil to iron core electric discharge, it is necessary to carry out insulation against ground material processing to iron core.Insulation against ground material processing unshakable in one's determination
Method be usually megohmite insulant and iron core are wrapped up using bonding agent, then progress coil baked and cured.
At present, there are existing insulating paper and bonding agent on the market, Nomex (Du Pont) insulating paper has insulation, shielding, prevents doing
The effect of disturbing, it can not solidify under Nomex bonding agent normal temperature.Existing insulating paper and bonding agent are directly used, it is unshakable in one's determination wrapped exhausted over the ground
Edge material, Nomex bonding agents, the then coiling on iron core, then enter line are smeared when wrapped insulation against ground material
Baked and cured is enclosed, in baked solidification path, the bonding agent between insulation against ground material and iron core easily overflows, and forms glue knurl, and
The problem of being wrinkled when being adhered on coil, influence product quality, while the baking of insulation against ground material also be present.
Also, because electromagnet core is track type, i.e., both ends are circular arc, centre is linear, both ends circular arc pair
The restraining force of ground megohmite insulant is inadequate, therefore insulation against ground material easily departs from coil baking process with iron core, Wu Faman
Sufficient requirement.
Through retrieval, the domestic existing patented technology of identical is not found.
The content of the invention
It is an object of the present invention to provide a kind of insulation against ground processing method unshakable in one's determination and Nomex mixing bonding agents, can solve
Certainly insulation against ground material wrapping after, in baking process excessive glue and corrugation the problem of.
The purpose of the present invention is achieved by the following technical programs:A kind of insulation against ground processing method unshakable in one's determination, in iron core
After upper wrapping insulation against ground material, processing is fixed to the iron core after wrapping by frock;First to wrapping and fixing process after
It is unshakable in one's determination carry out baked and cured, then carry out coiling and coil baked and cured.
The insulation against ground processing method unshakable in one's determination, comprises the following steps:
The first step, allocate bonding agent;
Second step, using the bonding agent after allotment, the wrapping of insulation against ground material is bonded on iron core;
3rd step, processing is fixed in the iron core that wrapping has insulation against ground material;By the circular arc unshakable in one's determination of fixing process
Both ends can obtain enough restraining forces, effectively reduce the megohmite insulant in baking process at circular arc both ends and show with what iron core departed from
As.
4th step, the iron core after fixing process is bakeed;It is unshakable in one's determination advanced after wrapping before coil baking is carried out
Go baking, the baking that the solidification of bonding agent is bakeed with coil has been separated, avoid bonding agent formation glue when coil bakees
Knurl is adhered to the phenomenon on coil.
5th step, it is unshakable in one's determination by coiling, then progress coil baking.
The bonding agent is Nomex mixing bonding agents;The insulation against ground material is Nomex insulating papers.
The Nomex mixing bonding agent is that tri- kinds of Nomex bonding agents of ECN1280,709MP, 2E4MZ mix, described
The allotment ratio of tri- kinds of Nomex bonding agents of ECN1280,709MP, 2E4MZ is weight than 3:2:1.Nomex bonding agents are made to reach more
Good adhesive effect.
When being bakeed to the iron core after fixing process, stoving temperature is 130 °C ~ 160 °C.
When being bakeed to the iron core after fixing process, it is 1 ~ 2 hour to bakee the time.
For the fixing process to be fixed using fixture, the fixture includes the arc to match with core end radian
The pull bar of plate and connection arc;Arc both ends are provided with through hole, and both ends unshakable in one's determination are respectively provided with one piece of arc, the both ends of pull bar
The through hole being each passed through on two pieces of arcs, arc and pull bar are connected by wing nut, and the pull bar has two.
The fixture is in use, two pieces of arcs to be bonded to the circular arc for being positioned over both ends unshakable in one's determination respectively, then two are drawn
After bar is each passed through two through holes of the arc of one end unshakable in one's determination, two through holes of the arc of the other end unshakable in one's determination are then passed through, will
Two pieces of arcs connect, and are then fixed with wing nut, arc clamping wrapping is had the iron core of insulation against ground material.
The present invention also provides a kind of Nomex mixing bonding agent, and the Nomex mixing bonding agent is bonded by ECN1280Nomex
Agent, 709MP Nomex bonding agents, 2E4MZ Nomex bonding agents mix, ECN1280 Nomex bonding agents, 709MP
Nomex bonding agents, the ratio of 2E4MZ Nomex bonding agents are weight than 3:2:1.
Above-mentioned Nomex mixing bonding agent, for unshakable in one's determination bonding with insulation against ground material.
The present invention can effectively solve the problems, such as excessive glue and the corrugation of insulation against ground material during coil baking, make insulation against ground material
Wrapping reaches optimum efficiency, while wrapping quality problems unshakable in one's determination can be found before coiling, does over again in time.The invention provides one
Kind electromagnet core insulation against ground processing method, is dexterously fixed processing by the iron core that wrapping has insulation against ground material, and
And before coil baking is carried out, the iron core after wrapping is first bakeed, simultaneously, there is provided one kind mixing bonding agent, energy
More preferable adhesive effect is enough obtained, effectively prevent the megohmite insulant in baking process at circular arc both ends and the phenomenon unshakable in one's determination departed from
And bonding agent forms the phenomenon that glue knurl is adhered on coil during coil baking, the present invention has extensive promotional value.
Brief description of the drawings
Installation structure for clamp schematic front view when Fig. 1 is handled for fixed baking unshakable in one's determination;
Installation structure for clamp schematic top plan view when Fig. 2 is handled for fixed baking unshakable in one's determination;
Installation structure for clamp left view schematic diagram when Fig. 3 is handled for fixed baking unshakable in one's determination;
Description of reference numerals:Pull bar 1, wing nut 2, arc 3, insulation against ground material 4, iron core 5.
Embodiment
Iron core wrapping insulation against ground substance migration Nomex bonding agents can not solidify at normal temperatures, original method be
While coil baked and cured, the bonding agent between insulation against ground material and iron core carries out baked and cured, during this period easy excessive glue
Form glue knurl, the corrugation of insulation against ground material.The work of wrapping insulation against ground material solidification unshakable in one's determination is advanceed to coil and dried by the present invention
Before roasting solidification, i.e., it is aided with frock with regard to progress baked and cured after wrapping insulation against ground material unshakable in one's determination, during this(Such as use fixture)
Ensure insulation against ground material wrapping quality, after the completion of carry out coiling again, efficiently avoid the generation of problem above.
Fig. 1 to Fig. 3 is refer to, a kind of insulation against ground processing method unshakable in one's determination, is comprised the following steps:
Step 1, allocate bonding agent;Bonding agent is Nomex mixing bonding agents, and insulation against ground material is Nomex insulating papers;
In order that Nomex mixing bonding agents reach more preferable adhesive effect, Nomex mixing bonding agent is ECN1280,709MP, 2E4MZ
Three kinds of Nomex bonding agents mix.The allotment ratio of tri- kinds of Nomex bonding agents of ECN1280,709MP, 2E4MZ is 3:2:1
(Weight ratio), by ECN1280, tri- kinds of Nomex bonding agents of 709MP, 2E4MZ mix tune in above ratio.
Step 2, using the bonding agent after allotment, the wrapping of insulation against ground material is bonded on iron core;
Step 3, the iron core that wrapping has insulation against ground material is fixed by processing using fixture;By fixing process
Circular arc both ends unshakable in one's determination can obtain enough restraining forces, effectively reduce megohmite insulant and iron core in baking process at circular arc both ends
The phenomenon of disengaging.Fixture and its mounting structure are described as follows:Fixture includes the arc and pull bar to match with radian unshakable in one's determination;Arc
Through hole is provided with shape plate;The arc is connected with pull bar by wing nut.Fixture includes a pair of arcs, a pair of pull bars,
Two through holes are provided with each arc.When insulation against ground material and the iron core being bonded is fixed using fixture, by a pair of arcs
Shape plate is bonded the circular arc for being positioned over both ends unshakable in one's determination respectively, then a pair of pull bars are each passed through to two through holes of one end arc,
And then with two through holes by another arc so that two arc plates connect, then fixed with wing nut,
Arc plate clamping wrapping is set to have the iron core of insulation against ground material.
Step 4, the iron core after fixing process is bakeed;Bakee and carried out in the case where temperature is 130 °C ~ 160 °C, bakeed
Time is 1 ~ 2 hour.Before coil baking is carried out, the iron core after wrapping is first bakeed, and the solidification of bonding agent is bakeed
Baking with coil separates, and avoids bonding agent when coil bakees and forms the phenomenon that glue knurl is adhered on coil.
Step 5, it is unshakable in one's determination by after coiling, carry out coil baking.
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.Wherein, being given for example only property of accompanying drawing is said
Bright, expression is only schematic diagram, rather than pictorial diagram, it is impossible to is interpreted as the limitation to this patent;In order to which the present invention is better described
Embodiment, some parts of accompanying drawing have omission, zoom in or out, and do not represent the size of actual product;To art technology
For personnel, some known features and its explanation may be omitted and will be understood by accompanying drawing.
Embodiment 1
Fig. 1 to Fig. 3 is refer to, first by ECN1280, tri- kinds of Nomex bonding agents of 709MP, 2E4MZ press 3:2:1 ratio
Example(Weight ratio)Allotment, then deployed bonding agent is applied on iron core 5 and insulation against ground material 4, by insulation against ground thing
Matter 4 is wrapped on iron core 5.A pair of arcs 3 are bonded to the circular arc for being positioned over 5 both ends unshakable in one's determination respectively, then a pair of pull bars 1 are divided
Not Chuan Guo one end arc 3 unshakable in one's determination two through holes, and then through other end arc 3 unshakable in one's determination two through holes so that two
Individual arc 3 connects, and is then fixed with wing nut 2, the clamping of arc 3 wrapping is had the iron core of insulation against ground material 4
5.The good iron core 5 of several fixing process is stacked into code, the insulation against ground material 4 of 5 straight lines unshakable in one's determination is flattened fitting iron core 5,
It is finally putting into baker, is bakeed 2 hours at 130 DEG C.Coiling is carried out after the completion of baking again and coil bakees.
Embodiment 2
Fig. 1 to Fig. 3 is refer to, first by ECN1280, tri- kinds of Nomex bonding agents of 709MP, 2E4MZ press 3:2:1 ratio
Example(Weight ratio)Allotment, then deployed bonding agent is applied on iron core 5 and insulation against ground material 4, by insulation against ground thing
Matter 4 is wrapped on iron core 5.A pair of arcs 3 are bonded to the circular arc for being positioned over 5 both ends unshakable in one's determination respectively, then a pair of pull bars 1 are divided
Not Chuan Guo one end arc 3 unshakable in one's determination two through holes, and then through other end arc 3 unshakable in one's determination two through holes so that two
Individual arc 3 connects, and is then fixed with wing nut 2, the clamping of arc 3 wrapping is had the iron core of insulation against ground material 4
5.The good iron core 5 of several fixing process is stacked into code, the insulation against ground material 4 of 5 straight lines unshakable in one's determination is flattened fitting iron core 5,
It is finally putting into baker, is bakeed 1 hour at 160 DEG C.Coiling is carried out after the completion of baking again and coil bakees.
Embodiment 3
Fig. 1 to Fig. 3 is refer to, first by ECN1280, tri- kinds of Nomex bonding agents of 709MP, 2E4MZ press 3:2:1 ratio
Example(Weight ratio)Allotment, then deployed bonding agent is applied on iron core 5 and insulation against ground material 4, by insulation against ground thing
Matter 4 is wrapped on iron core 5.A pair of arcs 3 are bonded to the circular arc for being positioned over 5 both ends unshakable in one's determination respectively, then a pair of pull bars 1 are divided
Not Chuan Guo one end arc 3 unshakable in one's determination two through holes, and then through other end arc 3 unshakable in one's determination two through holes so that two
Individual arc 3 connects, and is then fixed with wing nut 2, the clamping of arc 3 wrapping is had the iron core of insulation against ground material 4
5.The good iron core 5 of several fixing process is stacked into code, the insulation against ground material 4 of 5 straight lines unshakable in one's determination is flattened fitting iron core 5,
It is finally putting into baker, is bakeed 1.5 hours at 145 DEG C.Coiling is carried out after the completion of baking again and coil bakees.
The present invention relates to magnetic suspension manufacturing field, discloses a kind of electromagnet core wrapping processing method.It is viscous including allocating
Connect agent;Using the bonding agent after allotment, the wrapping of insulation against ground material is bonded on iron core;Wrapping there is into insulation against ground material
Processing is fixed in iron core;Iron core after fixing process is bakeed;Iron core carries out coil baking etc. five by after coiling
Step.Dexterously processing is fixed in the iron core that wrapping has insulation against ground material by the present invention, and bakees it carrying out coil
Before, the iron core after wrapping is first bakeed, simultaneously, there is provided one kind bonding intermixture, effectively prevent in baking process
Bonding agent forms the phenomenon of glue knurl when megohmite insulant at circular arc both ends bakees with the phenomenon unshakable in one's determination departed from and coil, has wide
General promotional value.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for those skilled in the art
For member, the present invention can have various modifications and variations.Any modification within the spirit and principles of the invention, being made,
Equivalent substitution, improvement etc., are all contained within protection scope of the present invention.
Claims (7)
1. a kind of insulation against ground processing method unshakable in one's determination, it is characterised in that after wrapping up insulation against ground material on iron core, pass through frock
Processing is fixed to the iron core after wrapping;First to the progress baked and cured unshakable in one's determination after wrapping and fixing process, then carry out coiling
With coil baked and cured;
The fixing process to be fixed using fixture, the fixture include the arc to match with core end radian and
Connect the pull bar of arc;Arc both ends are provided with through hole, and both ends unshakable in one's determination are respectively provided with one piece of arc, the both ends difference of pull bar
Through hole through on two pieces of arcs, arc are connected with pull bar by wing nut, and the pull bar has two.
2. insulation against ground processing method unshakable in one's determination according to claim 1, it is characterised in that comprise the following steps:
The first step, allocate bonding agent;
Second step, using the bonding agent after allotment, the wrapping of insulation against ground material is bonded on iron core;
3rd step, processing is fixed in the iron core that wrapping has insulation against ground material;
4th step, the iron core after fixing process is bakeed;
5th step, it is unshakable in one's determination by coiling, then progress coil baking.
3. insulation against ground processing method unshakable in one's determination according to claim 2, it is characterised in that the bonding agent mixes for Nomex
Close bonding agent;The insulation against ground material is Nomex insulating papers.
4. insulation against ground processing method unshakable in one's determination according to claim 3, it is characterised in that the Nomex mixing bonding agent
Mixed for tri- kinds of Nomex bonding agents of ECN1280,709MP, 2E4MZ, described tri- kinds of Nomex of ECN1280,709MP, 2E4MZ
The allotment ratio of bonding agent is weight than 3:2:1.
5. insulation against ground processing method unshakable in one's determination according to claim 2, it is characterised in that enter to the iron core after fixing process
When row bakees, stoving temperature is 130 °C ~ 160 °C.
6. insulation against ground processing method unshakable in one's determination according to claim 2, it is characterised in that enter to the iron core after fixing process
When row bakees, it is 1 ~ 2 hour to bakee the time.
7. insulation against ground processing method unshakable in one's determination according to claim 1, it is characterised in that the fixture is in use, by two
Block arc is bonded the circular arc for being positioned over both ends unshakable in one's determination respectively, then two pull bars are each passed through to the arc of one end unshakable in one's determination
After two through holes, two through holes of the arc of the other end unshakable in one's determination are then passed through, two pieces of arcs are connected, then use butterfly
Nut is fixed, and arc clamping wrapping is had the iron core of insulation against ground material.
Priority Applications (1)
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CN201610683178.XA CN106128745B (en) | 2016-08-18 | 2016-08-18 | A kind of insulation against ground processing method unshakable in one's determination and Nomex mixing bonding agents |
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CN201610683178.XA CN106128745B (en) | 2016-08-18 | 2016-08-18 | A kind of insulation against ground processing method unshakable in one's determination and Nomex mixing bonding agents |
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CN106128745B true CN106128745B (en) | 2018-02-16 |
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US3937855A (en) * | 1974-06-21 | 1976-02-10 | General Electric Company | Method of curing vacuum pressure impregnated coils |
CN102360685A (en) * | 2011-08-03 | 2012-02-22 | 安徽大学 | Micro spiral coil and manufacturing method thereof |
CN103128039B (en) * | 2011-12-01 | 2014-11-05 | 上海电气集团股份有限公司 | Coating method of winding amorphous iron core insulating coating |
CN203554109U (en) * | 2013-11-18 | 2014-04-16 | 南车成都机车车辆有限公司 | Structure for improving maintainability of DC motor main and auxiliary pole coils |
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