CN104361956A - Aviation fluorine-containing polymer insulated wire and cable surface laser character printing method - Google Patents
Aviation fluorine-containing polymer insulated wire and cable surface laser character printing method Download PDFInfo
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- CN104361956A CN104361956A CN201410674278.7A CN201410674278A CN104361956A CN 104361956 A CN104361956 A CN 104361956A CN 201410674278 A CN201410674278 A CN 201410674278A CN 104361956 A CN104361956 A CN 104361956A
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- laser
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- insulated wire
- printing method
- character printing
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Abstract
The invention provides an aviation fluorine-containing polymer insulated wire and cable surface laser character printing method. The method has the advantages that the surfaces of a wire and a cable are irradiated with excimer lasers with center laser density, so that titanium dioxide molecules contained in insulating or sheath materials of the wire and the cable change color due to induction, the original white color is changed into the black color, and the purpose of identification is achieved; the identification generated according to the method is permanent and can pass a fastness test of any standard, and meanwhile characters are clear. For a wire and a cable which are not round, the character printing purpose can not be achieved by the adoption of a type wheel printing method.
Description
Technical field
This method belongs to electric wire manufacture field, especially relates to a kind of aviation fluoropolymer insulated wire cable surface laser character printing method.
Background technology
The insulation that aviation fluoropolymer insulated wire cable is used and sheath material are cross-linked ethylene TFE copolymer, such material has that density is little, intensity is large, resistance to irradiation, resistance to acids and bases, the superior performance such as fire-retardant, but, its splendid chemical stability, non-adhesiveness, it is very difficult for causing at such electric wire surface lettering, simultaneously according to the standard-required of Aviation Industry, its lettering firmness should by 250 scraped finishes test, and its requirement is very harsh.
Current character printing method mainly contains following several: coding lettering, high temperature ink type wheel lettering, electric arc destroy fluoroplastics surface chemistry key, then high temperature ink spraying lettering.
In said method, the first is poor for fluoroplastics lettering lettering firmness, cannot reach standard-required; Although second method has certain effect, but owing to receiving the restriction of type wheel, need to be equipped with a lot of type wheels to use to meet different size different model cable, simultaneously for the electric wire of appearance not rounding, cannot ink be touched by the place of caving in, cause lettering to identify unintelligible.The current domestic application of the third method is also immature, does not reach the requirement of lettering mark firmness after using, simultaneously dangerous large, is absolutely unsafe.
Summary of the invention
The problem to be solved in the present invention be to provide a kind of can different roundness aviation fluoropolymer insulated wire cable surface lettering method, meet the firmness requirement of Aviation Industry standard-required simultaneously.
In order to solve the problem existing for background technology, the present invention by the following technical solutions: a kind of aviation fluoropolymer insulated wire cable surface laser character printing method, its method comprises the following steps:
1) adopt excimer laser generator, carry out light beam convergence by quartz lens, excite high pressure by adjustment excimer laser generator, produce an excimer laser.
2) excimer laser is impinged upon on a circular stereotype, stereotype is accomplished fluently alphabetical hole, form the laser of a letter shapes.
3) laser of letter shapes is irradiated to the surface of fluoroplastic insulation electric wire, is excited titania molecule top layer in light-struck fluoroplastics to be rapidly heated fusing and rapid condensation solidification, at rapid melting with again in solidification process, after generation variable color, and rolling cable.
The speed that described aviation fluoropolymer insulated wire cable is walked under laser is 10 meters ~ 20 ms/min.
Fill XeCL gas in described excimer laser generator, wavelength is 308nm, and pulse duration is 20ns, and single pulse energy is 200J.
Described excimer laser generator excite high pressure to adjust laser intensity, make it control at 180mj/cm
2.
Operation principle of the present invention is as follows: by the excimer laser irradiation of certain laser intensity is surperficial to electric wire, make the titania molecule induction variable color comprised in wire cable insulating or sheath material, by colour prime white, become black, reach the object of mark, the mark that this method produces is permanent, can be tested by the firmness of any standard, writing is clear simultaneously, this method can the aviation fluoropolymer insulated wire cable surface of why not rounding in office identify, this method solves a difficult problem for puzzlement aircraft wire cable identification at present very well.
In sum, the advantage of this invention is as follows: method is simple, easy to operate, the font that cable prints is firmly not easy to change, and the aviation fluoropolymer insulated wire cable surface of any not rounding identifies, applicability is strong, substantially increases operating efficiency.
Accompanying drawing explanation
Fig. 1 is structural principle schematic diagram of the present invention.
Wherein, 1, excimer laser generator; 2, type matrix stereotype; 3, reflection unit; 4, fluoroplastic insulation electric wire.
Embodiment
A kind of aviation fluoropolymer insulated wire cable surface laser character printing method, its method comprises the following steps:
1) adopt excimer laser generator, carry out light beam convergence by quartz lens, excite high pressure by adjustment excimer laser generator, produce an excimer laser.
2) excimer laser is passed through a type matrix, form the laser of a letter shapes.
3) laser of letter shapes is irradiated to the surface of fluoroplastic insulation electric wire, is excited titania molecule top layer in light-struck fluoroplastics to be rapidly heated fusing and rapid condensation solidification, at rapid melting with again in solidification process, after generation variable color, and rolling cable.
The speed that described aviation fluoropolymer insulated wire cable is walked under laser is 10 meters ~ 20 ms/min.
Fill XeCL gas in described excimer laser generator, wavelength is 308nm, and pulse duration is 20ns, and single pulse energy is 200J.
Described excimer laser generator excite high pressure to adjust laser intensity, make it control at 180mj/cm
2.
First, excimer laser generator is adopted to be filled with XeCL gas, adjusting wavelength is 308nm, pulse duration is 20ns, single pulse energy is 200J, light beam convergence is carried out by quartz lens, high pressure is excited by adjustment excimer laser generator, adjustment laser energy density, when laser energy density is lower than 180mj/cm2, the titanium dioxide color change in wire surface insulating material is less, do not reach the object of mark, when being in 180 ~ 300mj/cm2, there is variable color in electric wire surface, therefore our setting laser energy density is 180mj/cm2.
The type matrix that above-mentioned laser is made up of stereotype by one, makes laser become a light beam with type matrix shape and is projected onto laser lettering district.
Electric wire passes through crawling traction, preferably pass through laser lettering district with the speed of 15 ms/min, laser, according to the program of setting, opens and closes by the regular hour, after projecting electric wire surface, the surface of titanium dioxide contact laser contained in wire cable insulating or sheath material reacts, titania molecule top layer is rapidly heated fusing and rapid condensation solidification, at rapid melting with again in solidification process, and generation variable color, become black by original white, complete mark.
Finally the electric wire of printed word is received on take-up reel or directly and collect lopping.
Claims (4)
1. an aviation fluoropolymer insulated wire cable surface laser character printing method, its method comprises the following steps:
1) adopt excimer laser generator (1), carry out light beam convergence by quartz lens, excite high pressure by adjustment excimer laser generator, produce an excimer laser;
2) excimer laser is passed through a type matrix in captions stereotype (2), form the laser of a letter shapes;
3) laser of letter shapes is irradiated to the surface of fluoroplastic insulation electric wire (4) by reflection unit (3), being excited be rapidly heated fusing and rapid condensation of titania molecule top layer in light-struck fluoroplastics solidifies, at rapid melting with again in solidification process, after there is variable color, rolling cable.
2. a kind of aviation fluoropolymer insulated wire cable surface laser character printing method according to claim 1, is characterized in that: the speed that described fluoropolymer insulated wire cable is walked under laser is 10 meters ~ 20 ms/min.
3. a kind of aviation fluoropolymer insulated wire cable surface laser character printing method according to claim 1, it is characterized in that: fill XeCL gas in described excimer laser generator, wavelength is 308nm, and pulse duration is 20ns, and single pulse energy is 200J.
4. a kind of aviation fluoropolymer insulated wire cable surface laser character printing method according to claim 1, is characterized in that: described excimer laser generator excite high pressure to adjust laser intensity, make it control at 180mj/cm
2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410674278.7A CN104361956A (en) | 2014-11-21 | 2014-11-21 | Aviation fluorine-containing polymer insulated wire and cable surface laser character printing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410674278.7A CN104361956A (en) | 2014-11-21 | 2014-11-21 | Aviation fluorine-containing polymer insulated wire and cable surface laser character printing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104361956A true CN104361956A (en) | 2015-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410674278.7A Pending CN104361956A (en) | 2014-11-21 | 2014-11-21 | Aviation fluorine-containing polymer insulated wire and cable surface laser character printing method |
Country Status (1)
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| CN (1) | CN104361956A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105741949A (en) * | 2016-04-07 | 2016-07-06 | 国网天津市电力公司 | Application of laser jet printing technology on electrical cable |
| CN111959130A (en) * | 2020-07-07 | 2020-11-20 | 安徽华能电缆集团有限公司 | Surface laser printing device of fluoropolymer cable |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995023417A1 (en) * | 1994-02-28 | 1995-08-31 | E.I. Du Pont De Nemours And Company | Laser marking of fluoropolymer composition |
| CN1529734A (en) * | 2000-11-21 | 2004-09-15 | ̩�Ƶ�������˾ | Pigment and composition for laser mark |
| CN101564947A (en) * | 2009-05-25 | 2009-10-28 | 深圳市大族激光科技股份有限公司 | Laser marking method on plastic |
| CN102275390A (en) * | 2011-06-13 | 2011-12-14 | 南京中南激光设备有限公司 | Laser marking method for reflective film and marking apparatus therefor |
-
2014
- 2014-11-21 CN CN201410674278.7A patent/CN104361956A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995023417A1 (en) * | 1994-02-28 | 1995-08-31 | E.I. Du Pont De Nemours And Company | Laser marking of fluoropolymer composition |
| CN1529734A (en) * | 2000-11-21 | 2004-09-15 | ̩�Ƶ�������˾ | Pigment and composition for laser mark |
| CN101564947A (en) * | 2009-05-25 | 2009-10-28 | 深圳市大族激光科技股份有限公司 | Laser marking method on plastic |
| CN102275390A (en) * | 2011-06-13 | 2011-12-14 | 南京中南激光设备有限公司 | Laser marking method for reflective film and marking apparatus therefor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105741949A (en) * | 2016-04-07 | 2016-07-06 | 国网天津市电力公司 | Application of laser jet printing technology on electrical cable |
| CN111959130A (en) * | 2020-07-07 | 2020-11-20 | 安徽华能电缆集团有限公司 | Surface laser printing device of fluoropolymer cable |
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Application publication date: 20150218 |