CN103474226A - Iron core painting process - Google Patents
Iron core painting process Download PDFInfo
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- CN103474226A CN103474226A CN2013104020917A CN201310402091A CN103474226A CN 103474226 A CN103474226 A CN 103474226A CN 2013104020917 A CN2013104020917 A CN 2013104020917A CN 201310402091 A CN201310402091 A CN 201310402091A CN 103474226 A CN103474226 A CN 103474226A
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- japanning
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- yoke
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Abstract
The invention relates to an iron core painting process. The iron core painting process comprises four steps of iron core preprocessing, first painting, second painting and upper iron yoke painting. The iron core painting process is simple and easy to operate and can greatly enhance the iron core painting effects through the four steps of iron core preprocessing, first painting, second painting and upper iron yoke painting; particularly, the matching paint used in first painting and second painting is durable in use and accordingly can greatly prolong the service life of an iron core.
Description
Technical field
The present invention relates to field transformer, relate in particular to the enamelling process that is applicable to the dry-type transformer inner core.
Background technology
Transformer is to utilize the principle of electromagnetic induction to change the device of alternating voltage, and main member is primary coil, secondary coil and iron core (magnetic core).Major function has: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilizing (magnetic saturation transformer) etc.By purposes, can be divided into: distribution transformer, power transformer, full-sealed transformer, combined transformer, dry-type transformer, oil-filled transformer, single-phase transformer, furnace transformer, rectifier transformer etc.
In prior art; the processing of usually need to painting of the iron core of transformer inside; but the method for general japanning is directly smeared coast of paint often; although efficiency is high, poor effect, japanning is short service time; be unfavorable for protecting for a long time inner core; can not reach user's satisfaction, cause very large trouble to the maintenance in later stage, and waste more maintenance cost.
Summary of the invention
In view of this, be necessary to provide the enamelling process unshakable in one's determination in the useful life that can extend upper japanning unshakable in one's determination.
The present invention is achieved in that enamelling process unshakable in one's determination, mainly comprises the following steps:
Step 1: preliminary treatment unshakable in one's determination;
Smear paint on iron core before, by after closed assembly and the iron core of first-class fixture vertically be put in ground, and with hairbrush, that removing surface unshakable in one's determination is clean;
Step 2: japanning for the first time;
Install at upper yoke and upper clamping piece thereof, and after colligation upper glass band, the even scrubbing brush of polyurethane paint that has been in harmonious proportion, on core limb and lower yoke, is not painted on upper yoke, workpiece at room temperature dries 8 hours after having brushed paint naturally;
Described polyurethane paint is polyurethane curing agent and the evenly generation of ratio mediation of 1:1 by weight of polyurethane oil resistant varnish;
Step 3: japanning for the second time;
Be coated with the solvent-free coating varnish of last layer at core limb and lower yoke again, in described solvent-free coating varnish, be mixed with curing agent, the proportioning of described solvent-free coating varnish and curing agent is 4:1, after smearing, prevents under room temperature drying 10 hours;
Step 4: upper yoke japanning;
After above-mentioned three steps complete, carry out conformity test, again upper yoke is carried out to for the first time japanning identical with core limb and lower yoke and japanning for the second time after pass the test, if defective, upper yoke needn't be painted, so both cost-saving economy, and increase work efficiency.
The advantage of enamelling process unshakable in one's determination provided by the invention is: technological process of the present invention is simple, easy to operate, and through preliminary treatment unshakable in one's determination, japanning for the first time, japanning for the second time and four steps of upper yoke japanning, effect to the iron core japanning strengthens greatly, proportioning paint vehicle in particularly painting for the first time and painting for the second time, durable durable, greatly extend useful life unshakable in one's determination.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Described enamelling process unshakable in one's determination mainly comprises the following steps:
Step 1: preliminary treatment unshakable in one's determination;
Smear paint on iron core before, by after closed assembly and the iron core of first-class fixture vertically be put in ground, and with hairbrush, that removing surface unshakable in one's determination is clean.
Step 2: japanning for the first time;
Install at upper yoke and upper clamping piece thereof, and after colligation upper glass band, the even scrubbing brush of polyurethane paint that has been in harmonious proportion, on core limb and lower yoke, is not painted on upper yoke, workpiece at room temperature dries 8 hours after having brushed paint naturally;
Described polyurethane paint is polyurethane curing agent and the evenly generation of ratio mediation of 1:1 by weight of polyurethane oil resistant varnish.
Step 3: japanning for the second time;
Be coated with again the solvent-free coating varnish of last layer at core limb and lower yoke, be mixed with curing agent in described solvent-free coating varnish, the proportioning of described solvent-free coating varnish and curing agent is 4:1, the ratio of curing agent is too many, can cause paint film cracking on iron core and iron yoke, the ratio of curing agent very little, can cause that paint film is difficult to drying, after smearing, prevent under room temperature drying 10 hours.
Step 4: upper yoke japanning;
After above-mentioned three steps complete, carry out conformity test, again upper yoke is carried out to for the first time japanning identical with core limb and lower yoke and japanning for the second time after pass the test, if defective, upper yoke needn't be painted, so both cost-saving economy, and increase work efficiency.
The advantage of enamelling process unshakable in one's determination provided by the invention is: technological process of the present invention is simple, easy to operate, and through preliminary treatment unshakable in one's determination, japanning for the first time, japanning for the second time and four steps of upper yoke japanning, effect to the iron core japanning strengthens greatly, proportioning paint vehicle in particularly painting for the first time and painting for the second time, durable durable, greatly extend useful life unshakable in one's determination.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (1)
1. enamelling process unshakable in one's determination, is characterized in that, mainly comprises the following steps:
Step 1: preliminary treatment unshakable in one's determination;
Smear paint on iron core before, by after closed assembly and the iron core of first-class fixture vertically be put in ground, and with hairbrush, that removing surface unshakable in one's determination is clean;
Step 2: japanning for the first time;
Install at upper yoke and upper clamping piece thereof, and after colligation upper glass band, the even scrubbing brush of polyurethane paint that has been in harmonious proportion, on core limb and lower yoke, is not painted on upper yoke, workpiece at room temperature dries 8 hours after having brushed paint naturally;
Described polyurethane paint is polyurethane curing agent and the evenly generation of ratio mediation of 1:1 by weight of polyurethane oil resistant varnish;
Step 3: japanning for the second time;
Be coated with the solvent-free coating varnish of last layer at core limb and lower yoke again, in described solvent-free coating varnish, be mixed with curing agent, the proportioning of described solvent-free coating varnish and curing agent is 4:1, after smearing, prevents under room temperature drying 10 hours;
Step 4: upper yoke japanning;
After above-mentioned three steps complete, carry out conformity test, again upper yoke is carried out to for the first time japanning identical with core limb and lower yoke and japanning for the second time after pass the test, if defective, upper yoke needn't be painted, so both cost-saving economy, and increase work efficiency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013104020917A CN103474226A (en) | 2013-09-06 | 2013-09-06 | Iron core painting process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013104020917A CN103474226A (en) | 2013-09-06 | 2013-09-06 | Iron core painting process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103474226A true CN103474226A (en) | 2013-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013104020917A Pending CN103474226A (en) | 2013-09-06 | 2013-09-06 | Iron core painting process |
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| CN (1) | CN103474226A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109036832A (en) * | 2018-08-03 | 2018-12-18 | 合肥鑫伟电力设备有限公司 | A kind of production method of oil-immersed type transformer |
| CN112133547A (en) * | 2020-09-16 | 2020-12-25 | 山东电工电气集团智能电气有限公司 | Dual-power oil-immersed distribution transformer |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1737960A (en) * | 2005-09-05 | 2006-02-22 | 沪光集团有限公司 | Ring iron core reactor |
| CN1737958A (en) * | 2001-10-05 | 2006-02-22 | 新日本制铁株式会社 | Iron core having excellent end face insulation and method of treating iron core end face to obtain insulating coating |
| CN1986488A (en) * | 2006-12-08 | 2007-06-27 | 安泰科技股份有限公司 | Coating for soft magnetic alloy core and its spraying process |
| CN103128039A (en) * | 2011-12-01 | 2013-06-05 | 上海电气集团股份有限公司 | Coating method of winding amorphous iron core insulating coating |
-
2013
- 2013-09-06 CN CN2013104020917A patent/CN103474226A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1737958A (en) * | 2001-10-05 | 2006-02-22 | 新日本制铁株式会社 | Iron core having excellent end face insulation and method of treating iron core end face to obtain insulating coating |
| CN1737960A (en) * | 2005-09-05 | 2006-02-22 | 沪光集团有限公司 | Ring iron core reactor |
| CN1986488A (en) * | 2006-12-08 | 2007-06-27 | 安泰科技股份有限公司 | Coating for soft magnetic alloy core and its spraying process |
| CN103128039A (en) * | 2011-12-01 | 2013-06-05 | 上海电气集团股份有限公司 | Coating method of winding amorphous iron core insulating coating |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109036832A (en) * | 2018-08-03 | 2018-12-18 | 合肥鑫伟电力设备有限公司 | A kind of production method of oil-immersed type transformer |
| CN112133547A (en) * | 2020-09-16 | 2020-12-25 | 山东电工电气集团智能电气有限公司 | Dual-power oil-immersed distribution transformer |
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| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20160720 |
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| C20 | Patent right or utility model deemed to be abandoned or is abandoned |