SU1000129A1 - Method of stripping coatings from part surface - Google Patents
Method of stripping coatings from part surface Download PDFInfo
- Publication number
- SU1000129A1 SU1000129A1 SU813337067A SU3337067A SU1000129A1 SU 1000129 A1 SU1000129 A1 SU 1000129A1 SU 813337067 A SU813337067 A SU 813337067A SU 3337067 A SU3337067 A SU 3337067A SU 1000129 A1 SU1000129 A1 SU 1000129A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- coatings
- liquid nitrogen
- coating
- mechanical
- product
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/0064—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by temperature changes
- B08B7/0092—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by temperature changes by cooling
Landscapes
- Application Of Or Painting With Fluid Materials (AREA)
Description
Изобретение относитс к механизации процесса ремонта, а именно к способам очистки поверхностей деталей от покрытий и может найти применение при удалении, например, нитроцеллюлозных , полиакриловых и перхлорвиниловых покрытий с планера, самолета, кузова автомобил , а также в других област х техники, где по вл етс необходимость удалени покрытий с различных поверхностей металлических изделий.The invention relates to the mechanization of the repair process, and specifically to methods for cleaning the surfaces of parts from coatings and may find application in removing, for example, nitrocellulose, polyacrylic and perchlorovinyl coatings from a glider, aircraft, car body, as well as in other areas of technology where The need to remove coatings from various surfaces of metal products.
Известен способ дробеструйного удалени покрыт ий, основанный на механическом воздействии -дроби, разгон емой до больших скоростей потоком сжатого воздуха, на удал емое покрытие 1 1 .There is a known method of shot-blasting removal of coatings, based on the mechanical action of a fraction, accelerated to high speeds by a stream of compressed air, on the removable coating 1-1.
При этом дробь может попасть в подвижные соединени или разрушить антикоррозионный слой, что недопустимо при дальнейшей эксплуатации издели . .In this case, the fraction may fall into mobile joints or destroy the anti-corrosion layer, which is unacceptable during the further use of the product. .
Наиболее близким к предлагаемому по технической сущности и достигаемому эффекту вл етс способ очистки поверхностей металлических изделий от покрытий, заключающийс в разбрызгивании на покрытие жидкого дзота с последующим механическимThe closest to the proposed technical essence and the achieved effect is a method of cleaning the surfaces of metal products from coatings, which consists in spraying a liquid bunker on the coating followed by mechanical
удалением покрытий. Способ основан на различии коэффициентов линейного расширени материалов полимерных покрытий и металлических изделий, благодар чему при интенсивном, глубоком охлаждении поверхности метал -. лического издели покрытие его растрескиваетс и отслаиваетс 2 .removal of coatings. The method is based on the difference of the linear expansion coefficients of materials of polymeric coatings and metal products, so that with intensive, deep cooling the metal surface. of a plastic product, its coating cracks and peels off 2.
10ten
Такой способ очистки ведет к. нерациональному расходу жидкого азота, не позвол ет очищать крупногабаритные издели , а механическое удаление покрытий .путем наложени на изделие This method of cleaning leads to irrational consumption of liquid nitrogen, does not allow to clean large-sized products, and mechanical removal of coatings by imposing on the product
15 знйкоперемеиных нагрузок приводит к нежелательным остаточным влени м, снижающим прочность издели .15 good loadings lead to undesirable residual effects that reduce the strength of the product.
Цель изобретени - повышение качества и интенсификации процесса The purpose of the invention is to improve the quality and intensification of the process.
20 удалени покрытий, рациональное использование жидкого азота, снижение .вредных механических и тепловых воздействий на изделие. 20 removal of coatings, the rational use of liquid nitrogen, the reduction of harmful mechanical and thermal effects on the product.
Поставленна цель достигаетс The goal is achieved
25 тем, что изделие охлаждают разбрызгиванием жидкого азота на покрытие, при этом в азот перед нанесением ег.о на покрытие ввод т распыленную воду, а механическое воздействие на покры30 тие осуществл ют лед ной дробью.25 in that the product is cooled by spraying liquid nitrogen onto the coating, while sprayed water is introduced into the nitrogen before applying it to the coating, and the coating is subjected to ice to the mechanical impact.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU813337067A SU1000129A1 (en) | 1981-08-11 | 1981-08-11 | Method of stripping coatings from part surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU813337067A SU1000129A1 (en) | 1981-08-11 | 1981-08-11 | Method of stripping coatings from part surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU1000129A1 true SU1000129A1 (en) | 1983-02-28 |
Family
ID=20976430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU813337067A SU1000129A1 (en) | 1981-08-11 | 1981-08-11 | Method of stripping coatings from part surface |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU1000129A1 (en) |
-
1981
- 1981-08-11 SU SU813337067A patent/SU1000129A1/en active
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