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EP0743352A1 - Composition lubrifiante convenant à l'application sur des pièces métalliques pour le formage à chaud - Google Patents

Composition lubrifiante convenant à l'application sur des pièces métalliques pour le formage à chaud Download PDF

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Publication number
EP0743352A1
EP0743352A1 EP96107611A EP96107611A EP0743352A1 EP 0743352 A1 EP0743352 A1 EP 0743352A1 EP 96107611 A EP96107611 A EP 96107611A EP 96107611 A EP96107611 A EP 96107611A EP 0743352 A1 EP0743352 A1 EP 0743352A1
Authority
EP
European Patent Office
Prior art keywords
weight
lubricant composition
water
composition according
sodium
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP96107611A
Other languages
German (de)
English (en)
Other versions
EP0743352B1 (fr
Inventor
Jacques Dr. Periard
Hans-Rudolf Staub
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Imerys Graphite and Carbon Switzerland SA
Original Assignee
Imerys Graphite and Carbon Switzerland SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Application filed by Imerys Graphite and Carbon Switzerland SA filed Critical Imerys Graphite and Carbon Switzerland SA
Priority to SI9630075T priority Critical patent/SI0743352T1/xx
Publication of EP0743352A1 publication Critical patent/EP0743352A1/fr
Application granted granted Critical
Publication of EP0743352B1 publication Critical patent/EP0743352B1/fr
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    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M139/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing atoms of elements not provided for in groups C10M127/00 - C10M137/00
    • C—CHEMISTRY; METALLURGY
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    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
    • C10M169/04—Mixtures of base-materials and additives
    • C10M169/044—Mixtures of base-materials and additives the additives being a mixture of non-macromolecular and macromolecular compounds
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    • C10M103/00—Lubricating compositions characterised by the base-material being an inorganic material
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    • C10M125/00—Lubricating compositions characterised by the additive being an inorganic material
    • C10M125/24—Compounds containing phosphorus, arsenic or antimony
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    • C10N2040/24—Metal working without essential removal of material, e.g. forming, gorging, drawing, pressing, stamping, rolling or extruding; Punching metal
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/20—Metal working
    • C10N2040/241—Manufacturing joint-less pipes
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/20—Metal working
    • C10N2040/242—Hot working
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/20—Metal working
    • C10N2040/243—Cold working
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/20—Metal working
    • C10N2040/244—Metal working of specific metals
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/20—Metal working
    • C10N2040/244—Metal working of specific metals
    • C10N2040/245—Soft metals, e.g. aluminum
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/20—Metal working
    • C10N2040/244—Metal working of specific metals
    • C10N2040/246—Iron or steel
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/20—Metal working
    • C10N2040/244—Metal working of specific metals
    • C10N2040/247—Stainless steel

Definitions

  • the invention relates to a new lubricant composition for use on workpieces in the hot forming of metals, in particular for use in the hot rolling of blocks and profiles or in the production of hollow blocks in so-called shaping bench systems. Due to the fact that the metals to be processed have a surface temperature of approx. 800 ° C to 1300 ° C, the focus in practice has so far been on the lubrication of the tools, which are more accessible to classic lubrication at temperatures of maximum 400 ° C are. Although it is disclosed in the prior art, for example in CH-PS 660 023, that workpieces with temperatures above 600 ° C.
  • the lubrication of the tools also has various difficulties.
  • the application of the lubricant is often difficult because of the geometry of the tool alone, or low tool temperatures around 100 ° C do not allow proper formation of a lubricant film.
  • large losses of lubricant are also the rule, which results in contamination of the waste water and a corresponding after-treatment of the waste water. Relatively large amounts of lubricant are therefore required for good lubrication.
  • the glass frit is mainly used when the application temperatures are in the lower range from approx. 800 ° C. Then, due to the lower softening range of approx. 500 ° C to 700 ° C compared to glass powder, the film-forming properties of the glass frit come into full effect.
  • the chemical frit of the glass frit is expediently an alkali-alkaline earth-alumo-boron silicate and is usually used in an average grain size d 50 of ⁇ 100 ⁇ m.
  • glass powder and glass frit can be used in any mixing ratio within the specified limits.
  • graphite Another important component is graphite. Both synthetic graphite and natural graphite can be used.
  • the average grain size d 50 of the graphite used is expediently less than 100 ⁇ m.
  • the water-soluble alkali silicates play an essential role as binders.
  • a water-soluble sodium metapolyphosphate acts as a lubricant component that suppresses foaming.
  • This is expediently understood to mean a compound having the general formula (NaPO 3 ) n in which n is less than 450. These compounds are also known under the name "hexametaphosphate” or "Graham's salt”.
  • a water-insoluble sodium metapolyphosphate as a binder.
  • Particularly suitable for this purpose are the compounds of the general formula (NaPO 3 ) n known under the name "Maddrell's salt", in which n is 40 to 70.
  • a thickening agent expediently a polysaccharide or a polysaccharide derivative
  • a thickening agent expediently a polysaccharide or a polysaccharide derivative
  • Biopolysaccharides such as xanthan gum, rhamsan gum or an alkyl cellulose such as hydroxymethyl cellulose are expediently used.
  • alkali metal salts of polyacrylic acid in particular sodium polyacrylates, can be added as thickeners.
  • a commercially available biocide is expediently added to the lubricant composition.
  • borax sodium tetraborate decahydrate
  • the lubricant according to the invention is expediently used in the form of an aqueous dispersion with a solids content of preferably 20% to 50%. It is quite possible to vary the limits up and down.
  • the dispersion can be produced in commercially available dispersing devices which enable high shear forces (cf., for example, EP-PS 218 989).
  • the ready-to-use dispersion expediently has a viscosity in the range from 1000 MPas to 7000 MPas (Rheomat 15, 20 ° C., cell B, speed 5), but can be varied further by adding thickeners.
  • the lubricant dispersion can be applied using known systems for spraying disperse systems (cf. e.g. EP-A 453 801).
  • the lubricant composition disclosed above is used for use on workpieces which have surface temperatures of 800 ° C. to 1300 ° C., in the hot forming of metals, in particular in the hot rolling of blocks and profiles, or in the production of hollow blocks in so-called butt bench systems.
  • the dispersion is applied to the workpiece immediately before the forming. Descaling the workpiece beforehand is an advantage but not essential. After the immediate evaporation of the water, a uniform, water-insoluble lubricating film forms on the workpiece surface within a few seconds, which is not affected by the subsequent forming process.
  • Formulation 1 (suitable for workpieces with surface temperatures of 850 ° C - 1200 ° C).
  • Formulation 2 (suitable for workpieces with surface temperatures of 1000 ° C - 1250 ° C)
  • Formulation 3 (suitable for workpieces with surface temperatures of 1000 ° C - 1250 ° C)
  • Comparative formulation 1 (according to CH-PS 660 023, example 1)
  • Comparative formulation 2 (according to CH-PS 670 106, example 2)
  • the formulations are placed on the 800 ° C to 1050 ° C hot surface of a steel block with the dimensions 29 cm x 6 cm x 3 cm, which is moved at 1.5 m / s, using a nozzle at a distance of 43 cm (pressure 50 bar) 1 to 4, and the comparison formulation 1 sprayed.
  • the comparison formulation 2 is sprayed dry according to CH-PS 670 106.
  • the lubricant film formed is evaluated according to the following classifications.
  • Formulation Test result (class) 1 3 (from 850 ° C) 2nd 3 (from 1000 ° C) 3rd 3 (from 1000 ° C) 4th 3 (from 850 ° C) Comparison 1 1 Comparison 2 2nd

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Lubricants (AREA)
  • Extrusion Of Metal (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)
EP96107611A 1995-05-16 1996-05-13 Composition lubrifiante convenant à l'application sur des pièces métalliques pour le formage à chaud Expired - Lifetime EP0743352B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI9630075T SI0743352T1 (en) 1995-05-16 1996-05-13 Lubricant composition suitable for application on metal workpieces during hot-forming

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH1416/95 1995-05-16
CH141695 1995-05-16
CH141695 1995-05-16

Publications (2)

Publication Number Publication Date
EP0743352A1 true EP0743352A1 (fr) 1996-11-20
EP0743352B1 EP0743352B1 (fr) 1999-07-28

Family

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Country Status (21)

Country Link
US (1) US5691282A (fr)
EP (1) EP0743352B1 (fr)
JP (1) JP2930003B2 (fr)
KR (1) KR960041327A (fr)
CN (1) CN1063479C (fr)
AR (1) AR001910A1 (fr)
AT (1) ATE182612T1 (fr)
BR (1) BR9602185A (fr)
CA (1) CA2174825A1 (fr)
CZ (1) CZ140596A3 (fr)
DE (1) DE59602520D1 (fr)
ES (1) ES2136916T3 (fr)
HU (1) HU219309B (fr)
NO (1) NO962019L (fr)
RO (1) RO116817B1 (fr)
RU (1) RU2153525C2 (fr)
SI (1) SI0743352T1 (fr)
SK (1) SK61996A3 (fr)
TR (1) TR199600394A2 (fr)
TW (1) TW324739B (fr)
ZA (1) ZA963198B (fr)

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US5783529A (en) * 1997-10-24 1998-07-21 The Lubrizol Corporation Rhamsan gum as mist suppressant in metal working fluids
US6330818B1 (en) 1998-12-17 2001-12-18 Materials And Manufacturing Technologies Solutions Company Lubrication system for metalforming
WO2000044686A1 (fr) * 1999-01-27 2000-08-03 Weihua Jin Pierre artificielle utilisant le verre perdu
CN1091142C (zh) * 1999-12-29 2002-09-18 宝山钢铁股份有限公司 金属热加工用润滑剂
BRPI0609791B1 (pt) 2005-03-31 2016-03-29 Nippon Steel & Sumitomo Metal Corp agente anticorrosão para trabalhar aço a quente, e método para trabalhar aço a quente e método de produção de tubos de aço sem costura empregando-se o referido agente
US7449432B2 (en) * 2006-03-07 2008-11-11 Ashland Licensing And Intellectual Property, Llc (Alip) Gear oil composition containing nanomaterial
JP5269341B2 (ja) * 2006-04-24 2013-08-21 新日鐵住金株式会社 熱間押出加工用潤滑剤組成物
EP2014747B1 (fr) * 2006-04-24 2018-08-08 Nippon Steel & Sumitomo Metal Corporation Composition de lubrifiant
TWI457431B (zh) * 2008-01-30 2014-10-21 Chemetall Gmbh 將金屬表面施以一種潤滑劑組成物的方法
TWI457433B (zh) * 2008-01-30 2014-10-21 Chemetall Gmbh 將金屬表面施以一磷酸鹽層然後施以一潤滑劑層的方法
CN101880580B (zh) * 2010-06-28 2013-01-16 河南省长城特种润滑脂有限公司 超高温润滑脂及制备方法
JP5482533B2 (ja) * 2010-07-16 2014-05-07 新日鐵住金株式会社 酸化防止剤、酸化防止剤の製造方法及び金属材の製造方法
CN102732367B (zh) * 2012-05-25 2014-02-12 衡阳市金化科技有限公司 无石墨环保型芯棒润滑剂
CN102703180B (zh) * 2012-05-25 2013-10-02 衡阳市金化科技有限公司 一种用于热轧无缝钢管的玻璃粉润滑剂
DE102013102897A1 (de) * 2013-03-21 2014-09-25 Chemische Fabrik Budenheim Kg Zusammensetzung für den Schutz vor Zunder und als Schmiermittel für die Heißverarbeitung von Metallen
CN103225727B (zh) * 2013-05-14 2015-08-26 江苏苏南重工机械科技有限公司 一种合金模锻用可粘贴绝热棉及其制造方法
JP6255424B2 (ja) * 2014-02-04 2017-12-27 株式会社シダーブライト 金属塑性加工用潤滑皮膜剤及び金属塑性加工用金属材料
WO2015146818A1 (fr) * 2014-03-28 2015-10-01 日本パーカライジング株式会社 Agent de revêtement lubrifiant aqueux ayant une excellente résistance à la corrosion et une excellente maniabilité, et matériau métallique
CN104450143B (zh) * 2014-11-28 2017-11-14 湖南金化科技集团有限公司 一种极压抗磨润滑剂
CZ306401B6 (cs) * 2015-12-03 2017-01-04 VĂŤTKOVICE CYLINDERS a. s. Způsob výroby vysokotlaké bezešvé láhve z korozivzdorné oceli
CN106269980B (zh) * 2016-08-30 2018-08-24 安吉县鹏大钢管有限公司 一种无缝钢管的制备工艺
CN106811277B (zh) * 2016-12-28 2020-01-10 北京有色金属研究总院 一种钛及钛合金管材拉拔润滑剂及其使用方法
CN109679746A (zh) * 2018-12-20 2019-04-26 四川大学 一种钛及钛合金热挤压用玻璃防护润滑剂及其制备方法
CN110157521B (zh) * 2019-06-13 2020-11-20 北京科技大学 一种锆合金热挤压润滑和热防护用材料及制备方法
CN110982604B (zh) * 2019-12-10 2021-01-19 清华大学 水性石墨基高温粘结固体润滑剂及其制备方法和应用
KR20220151198A (ko) 2020-03-16 2022-11-14 케미쉐 파브릭 부덴하임 카게 금속의 열간 가공 동안 윤활 및/또는 스케일 제거를 위한 조성물
CN112658033B (zh) * 2021-01-15 2023-02-10 北京天力创玻璃科技开发有限公司 金属热穿孔玻璃润滑剂及金属热穿孔方法

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Also Published As

Publication number Publication date
MX9601821A (es) 1997-07-31
DE59602520D1 (de) 1999-09-02
HU9601314D0 (en) 1996-07-29
HU219309B (en) 2001-03-28
KR960041327A (ko) 1996-12-19
SI0743352T1 (en) 1999-10-31
HUP9601314A3 (en) 1998-07-28
HUP9601314A2 (en) 1997-02-28
CA2174825A1 (fr) 1996-11-17
US5691282A (en) 1997-11-25
EP0743352B1 (fr) 1999-07-28
BR9602185A (pt) 1998-04-07
AR001910A1 (es) 1997-12-10
CZ140596A3 (en) 1996-12-11
CN1063479C (zh) 2001-03-21
RO116817B1 (ro) 2001-06-29
ATE182612T1 (de) 1999-08-15
NO962019L (no) 1996-11-18
ZA963198B (en) 1996-10-25
JP2930003B2 (ja) 1999-08-03
RU2153525C2 (ru) 2000-07-27
JPH08311479A (ja) 1996-11-26
SK61996A3 (en) 1997-07-09
TR199600394A2 (tr) 1996-12-21
ES2136916T3 (es) 1999-12-01
CN1143107A (zh) 1997-02-19
TW324739B (en) 1998-01-11
NO962019D0 (no) 1996-05-15

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