SU625621A3 - Смазка дл гор чей обработки металлов - Google Patents
Смазка дл гор чей обработки металловInfo
- Publication number
- SU625621A3 SU625621A3 SU742074765A SU2074765A SU625621A3 SU 625621 A3 SU625621 A3 SU 625621A3 SU 742074765 A SU742074765 A SU 742074765A SU 2074765 A SU2074765 A SU 2074765A SU 625621 A3 SU625621 A3 SU 625621A3
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- lubricant
- mandrel
- germany
- copolymer
- metals
- Prior art date
Links
Classifications
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M7/00—Solid or semi-solid compositions essentially based on lubricating components other than mineral lubricating oils or fatty oils and their use as lubricants; Use as lubricants of single solid or semi-solid substances
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- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/02—Water
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- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/04—Elements
- C10M2201/041—Carbon; Graphite; Carbon black
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- C10M2201/041—Carbon; Graphite; Carbon black
- C10M2201/0413—Carbon; Graphite; Carbon black used as base material
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- C10M2201/042—Carbon; Graphite; Carbon black halogenated, i.e. graphite fluoride
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- C10M2201/042—Carbon; Graphite; Carbon black halogenated, i.e. graphite fluoride
- C10M2201/0423—Carbon; Graphite; Carbon black halogenated, i.e. graphite fluoride used as base material
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- Organic Chemistry (AREA)
- Lubricants (AREA)
Description
алкиленовый полимер или сополимер и диспергатор. Состав смазки, вес.%: Алкиленовый полимер или сополимер2-45 Диспергатор0,5-8 Графитдо 100 Смазочный материал получают путем сухого смешени графита, алкиленовог полимера или алкиленового сополимера и диспергатора. Непосредственно пере применением смесь суспендируют в воде до образовани суспензии, содержа щей предпочтительно 5-80 вес.% твердых ваществ. Алкиленовые полимеры или алкилено вые сополимеры целесообразно получат полимеризацией в эмульсии. Примен ть например, можно полимеры или сополимеры винилацетата, винилпропионата, виниллаурата, аллиловых сложных эфиров , моно- или диолефинов (этилен, бутадиен), акриловой кислоты и ее сложных эфиров, акриловой кислоты и ее сложных эфиров с сополимерами стирола, стирола с сополимерами ненасыщенных сложных эфиров дикарбоновой кислоты, например со сложным эфи ром малеиновой кислоты. Дл достижени оптимального смазы вающего действи смазь1вающа пленка должна быть сухой. Водную суспензию, содержащую смазочный материал, целе сообразно наносить на гор чий инстру мент, например, напылением или намазыванием , при этом вода испар етс а полимер или сополимер образует, плав сь, пленку толщиной 0,05-1,0 мм предпочтительно 0,1-0,2 . в этой пленке частицы графита распредел ютс равномерно по всей поверхности в виде пластинок. Полимер или сополимер в процессе обработки сгорает без образовани каких-либо остатков. Горение вызывает образование газовой подушки, поддерживающей разделение трущихс Поверхностей. Одновременно графит обеспечивает прочный дели тельный и смазывающий слой в услови х высоких нагрузок и температур. Можно полагать, что при сгорании предлагаемых добавок между заготовК9Й и инструментом образуетс своего рода защитна атмосфера, задерживающа сгорание графита при повышенных температурах. Величина частиц графита, примен е мого в данном смазочном материале, предпочтительно составл ет не более 300 ммк при степени чистоты не менее 96%, более предпочтительно до 100 мм при степени чистоты 99,5%. В качестве диспергатора может быт использован полисахарид, алкилцеллюл за, например метилцеллюлоза/ или аль гинат. в суспензию может быть добавлено небольшое количество смачивател , ан имикробных добавок, ингибитора корроии . Предлагаемый смазочный материал примен етс дл деформации металла без стружки , например, в штамповочных цехах, в основном дл ймазывани оправки при производстве бесшовных труб, например, на так называвых пилигримовых, непрерывных или РМ-станах. Пример 1. Готов т смазку следующего состава, вес.%: Сополимер винилацетата и этилена4 Полисахарид1 Графит- 95 Полученный состав перемешивают с водой получа 5Q%-ную суспензию, и нанос т опрыскиванием на теплый инструмент дл ковки бесшовных труб. Этот состав пригоден дл процессов, при которых смазочна пленка в течен ние длительного времени подвергаетс высоким температурным превращени м. Состав смазочного материала позвол ет осуществл ть напыление смазывающей пленки на поверхность оправки во врем ее обратного движени . На гор чей поверхности оправки сразу же образуетс суха водоотталкивающа пленка. Сразу после нанесени пленки оправку можно охладить в вод ной бане или путем разбрызгивани воды под давлением, не смыва смазывающей пленки. Эта пленка не разрушаетс и при интенсивном охлаждении валков водой, которому оправка подвергаетс в начале процесса прокатки. П р и м е р 2. Готов т смазку следующего состава, вес.%: Полиизобутилен45 Метилцеллюлоза2 Графит53 Полученный состав пepe.v;eшивaют с водой до получени 25%-ной суспензии. Этот состав также пригоден дл непрерывного производства труб, в частности , с маленькими промежутками между прохождением отдельных полос. Высокое содержание полимера обеспечивает высокие термопластичные свойства. Примерз. Готов т смазку следующего состава, вес.%: Сополимер стирола и бутадиена 30 Метилцеллюлоза0,5 Графит69,5 Состав примен ют в виде 30%-нойсуспензии . Пример 4. Готов т смазку следующего состава, вес.%: Сополимер винилацетата и этилена 2 Полисахарид8 Графит90 Состав примен ют в виде 20%-ной суспензии 562 Провод т испытани указанных составов 2 ,- 3 и. 4, сравнива их с изBecTHfcOM составом, прин тым за прототип и представл ющим собой смесь 10 вес.% фторида натри и 90 вес.% грйфита. Дл придани известному составу в зкотекучего состо ни его перемешивают в растворе метафосфита натри . В таблице представлены результаты этих испытаний при непрерывном производстве труб на непрерывном стане.
Поглощение энергии по одной станине (валу)
Как видно, применение предлагаемой смазки требует меньшего количества затрат электроэнергии в процессе прокатки , обеспечива при этом более низкую шероховатость. Прокатные кисти работали намного спокойнее, срок службы оправок, примен емых при изготовлении бесшовных труб, повысилс на 30%. Поверхность обрабатываемых изделий чиста , без видимых следов смазки после прокатки на предлагаемых составах.
При процессе ковки специальных сталей на пилигримовых станах до необходимости замены оправки было изготовлено 150 труб на предлагаемом составе из примера 3 и 80 труб на известном составе. При прокатке сортовой стали было переработано в шпунтовые балки до необходимости замены профильных валков на предлагаег ом составе из примера 4 1800 т, на известном 567 т.
Claims (4)
- Таким образом, предлагаемый состав облада высокими суспендирующими свойствами в воде, обеспечивает чистое сгорание смазки без образовани загр зн ющих окружающую среду газообразных масл ных отходов, поверхность оправки при этом чиста ,без 7 ...62 каких-либо остатков. Усилие,необходимое дл прот гивани труб через прокатный стан, значительно уменьшаетс , прокатные клети работают более равномерно , износ оправки сильно снижаетс . Труба равномерно обхватывает оправку , что обуславливает повышение качества поверхности. Кроме того, по вл етс возможность получени труб с более тонкими стенками с помощью имеющейс установки. Формула изобретени Смазка дл гор чей обработки металлов на основе графита, о т л и чающа с тем, что, с целью повышени смазывающих свойств и качаетва обрабатываемой поверхности, смазка 18 дополнительно содержит алкиленовый полимер или сополимер и диспергатор при следующем содержании компонентов, вес.%: Алкиленовый полимер или сополимер2-45 Диспергатор . 0,5-8 Графитдо 100 Источники информации, прин тые во внимание при экспертизе: 1. Вейлер С.Я.,Действие смазок при обработке металлов давлением. М., АН СССР, 1960, с. 190-198.
- 2. Патент ФРГ № 2046727, кл. 23 с 1/04, 1973.
- 3. Патент ФРГ № 2154232, кл. 23 с 1/04, 1973.
- 4. Патент ФРГ № 2028804, кл. 23 с 1/01, 1973.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH624274A CH596294A5 (en) | 1974-05-08 | 1974-05-08 | High temp. lubricants for hot forming of metals |
Publications (1)
Publication Number | Publication Date |
---|---|
SU625621A3 true SU625621A3 (ru) | 1978-09-25 |
Family
ID=4306502
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU742074765A SU625621A3 (ru) | 1974-05-08 | 1974-11-13 | Смазка дл гор чей обработки металлов |
Country Status (3)
Country | Link |
---|---|
CH (1) | CH596294A5 (ru) |
PL (1) | PL101948B1 (ru) |
SU (1) | SU625621A3 (ru) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH669856A5 (ru) * | 1984-01-04 | 1989-04-14 | Lonza Ag | |
CH665847A5 (de) * | 1985-10-02 | 1988-06-15 | Lonza Ag | Verfahren zum suspendieren von festschmierstoffen. |
US5271854A (en) * | 1986-09-23 | 1993-12-21 | Lonza Ltd. | High temperature lubricant containing carboxylated styrene-butadiene latex |
CH674096A5 (ru) * | 1988-01-19 | 1990-04-30 | Lonza Ag | |
CH674477A5 (ru) * | 1988-03-30 | 1990-06-15 | Lonza Ag | |
US5099667A (en) * | 1989-06-16 | 1992-03-31 | Lonza Ltd. | System for suspending and applying solid lubricants to tools or work pieces |
EP0448944B1 (de) * | 1990-03-26 | 1994-09-14 | Lonza Ag | Verfahren und Einrichtung zum intervallweisen Versprühen einer Schmiermittel-Suspension |
DE102005043542A1 (de) * | 2005-09-13 | 2007-03-15 | Graphit Kropfmühl AG | Stabile wässrige Graphitdispersion mit hohem Feststoffgehalt |
BRPI0712692B8 (pt) | 2006-05-26 | 2020-03-17 | Nippon Steel & Sumitomo Metal Corp | processo para produzir um tubo de aço inoxidável sem costura |
-
1974
- 1974-05-08 CH CH624274A patent/CH596294A5/de not_active IP Right Cessation
- 1974-11-13 SU SU742074765A patent/SU625621A3/ru active
-
1975
- 1975-05-08 PL PL1975180250A patent/PL101948B1/pl unknown
Also Published As
Publication number | Publication date |
---|---|
PL101948B1 (pl) | 1979-02-28 |
CH596294A5 (en) | 1978-03-15 |
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