EP0334977A1 - Lubrifiant pour la déformation des métaux - Google Patents

Lubrifiant pour la déformation des métaux Download PDF

Info

Publication number: EP0334977A1
Authority: EP; European Patent Office
Prior art keywords: mass; alkali; lubricant; components; alkaline earth
Prior art date: 1988-03-28
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

EP88104991A

Other languages

German (de)

English (en)

Other versions

EP0334977B1 (fr

Inventor

Heinz-Rüdiger Dr.rer.nat. Vogel

Hans Dr.Sc.Techn. Fiedler

Harri Dr.-Ing. Weinhold

Dieter Rauschenbach

Jürgen Dipl.-Chem. Reichert

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.)

Ecoform Umformtechnik GmbH

Original Assignee

Berlin Brandenburg Academy of Sciences and Humanities

Ecoform Umformtechnik GmbH

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.)

1988-03-28

Filing date

1988-03-28

Publication date

1989-10-04

1988-03-28 Application filed by Berlin Brandenburg Academy of Sciences and Humanities, Ecoform Umformtechnik GmbH filed Critical Berlin Brandenburg Academy of Sciences and Humanities

1988-03-28 Priority to DE8888104991T priority Critical patent/DE3879181D1/de

1988-03-28 Priority to EP88104991A priority patent/EP0334977B1/fr

1988-03-28 Priority to AT88104991T priority patent/ATE86653T1/de

1989-10-04 Publication of EP0334977A1 publication Critical patent/EP0334977A1/fr

1993-03-10 Application granted granted Critical

1993-03-10 Publication of EP0334977B1 publication Critical patent/EP0334977B1/fr

2008-03-28 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

239000000314 lubricant Substances 0.000 title claims abstract description 73
229910052751 metal Inorganic materials 0.000 title description 3
239000002184 metal Substances 0.000 title description 3
239000000344 soap Substances 0.000 claims abstract description 22
150000002894 organic compounds Chemical class 0.000 claims abstract description 16
WYXIGTJNYDDFFH-UHFFFAOYSA-Q triazanium;borate Chemical compound [NH4+].[NH4+].[NH4+].[O-]B([O-])[O-] WYXIGTJNYDDFFH-UHFFFAOYSA-Q 0.000 claims abstract description 15
235000019289 ammonium phosphates Nutrition 0.000 claims abstract description 14
239000004254 Ammonium phosphate Substances 0.000 claims abstract description 12
229910000148 ammonium phosphate Inorganic materials 0.000 claims abstract description 12
MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 claims abstract description 12
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
239000007795 chemical reaction product Substances 0.000 claims abstract description 10
229910052784 alkaline earth metal Inorganic materials 0.000 claims abstract description 9
150000001342 alkaline earth metals Chemical class 0.000 claims abstract description 9
239000007864 aqueous solution Substances 0.000 claims abstract description 9
239000007769 metal material Substances 0.000 claims abstract description 7
229910000318 alkali metal phosphate Inorganic materials 0.000 claims abstract description 5
-1 alkali metal borate Chemical class 0.000 claims abstract description 4
229910052783 alkali metal Inorganic materials 0.000 claims abstract 3
239000003513 alkali Substances 0.000 claims description 26
239000004372 Polyvinyl alcohol Substances 0.000 claims description 5
229920002451 polyvinyl alcohol Polymers 0.000 claims description 5
235000019830 sodium polyphosphate Nutrition 0.000 claims description 5
UQGFMSUEHSUPRD-UHFFFAOYSA-N disodium;3,7-dioxido-2,4,6,8,9-pentaoxa-1,3,5,7-tetraborabicyclo[3.3.1]nonane Chemical compound [Na+].[Na+].O1B([O-])OB2OB([O-])OB1O2 UQGFMSUEHSUPRD-UHFFFAOYSA-N 0.000 claims description 4
150000001340 alkali metals Chemical class 0.000 claims description 3
BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 claims description 2
235000008733 Citrus aurantifolia Nutrition 0.000 claims description 2
229910019142 PO4 Inorganic materials 0.000 claims description 2
229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 2
229920002472 Starch Polymers 0.000 claims description 2
235000011941 Tilia x europaea Nutrition 0.000 claims description 2
239000004571 lime Substances 0.000 claims description 2
QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 2
NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 2
239000010452 phosphate Substances 0.000 claims description 2
GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 claims description 2
235000019982 sodium hexametaphosphate Nutrition 0.000 claims description 2
NVIFVTYDZMXWGX-UHFFFAOYSA-N sodium metaborate Chemical compound [Na+].[O-]B=O NVIFVTYDZMXWGX-UHFFFAOYSA-N 0.000 claims description 2
235000019698 starch Nutrition 0.000 claims description 2
239000008107 starch Substances 0.000 claims description 2
239000000463 material Substances 0.000 abstract description 8
238000005242 forging Methods 0.000 abstract description 5
239000000047 product Substances 0.000 description 19
238000006243 chemical reaction Methods 0.000 description 8
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
229910021538 borax Inorganic materials 0.000 description 5
239000010439 graphite Substances 0.000 description 5
229910002804 graphite Inorganic materials 0.000 description 5
235000010339 sodium tetraborate Nutrition 0.000 description 5
WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 4
CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 4
239000008116 calcium stearate Substances 0.000 description 4
235000013539 calcium stearate Nutrition 0.000 description 4
238000000576 coating method Methods 0.000 description 4
XPPKVPWEQAFLFU-UHFFFAOYSA-J diphosphate(4-) Chemical compound [O-]P([O-])(=O)OP([O-])([O-])=O XPPKVPWEQAFLFU-UHFFFAOYSA-J 0.000 description 4
235000011180 diphosphates Nutrition 0.000 description 4
239000004328 sodium tetraborate Substances 0.000 description 4
239000007921 spray Substances 0.000 description 4
230000002349 favourable effect Effects 0.000 description 3
239000000243 solution Substances 0.000 description 3
RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
229910000831 Steel Inorganic materials 0.000 description 2
238000010521 absorption reaction Methods 0.000 description 2
239000001361 adipic acid Substances 0.000 description 2
235000011037 adipic acid Nutrition 0.000 description 2
150000001279 adipic acids Chemical class 0.000 description 2
229910001854 alkali hydroxide Inorganic materials 0.000 description 2
229910001860 alkaline earth metal hydroxide Inorganic materials 0.000 description 2
239000011248 coating agent Substances 0.000 description 2
239000006185 dispersion Substances 0.000 description 2
230000000694 effects Effects 0.000 description 2
230000007613 environmental effect Effects 0.000 description 2
230000001050 lubricating effect Effects 0.000 description 2
239000000203 mixture Substances 0.000 description 2
239000010959 steel Substances 0.000 description 2
230000009466 transformation Effects 0.000 description 2
238000005491 wire drawing Methods 0.000 description 2
OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
230000002378 acidificating effect Effects 0.000 description 1
239000000654 additive Substances 0.000 description 1
230000000996 additive effect Effects 0.000 description 1
239000000853 adhesive Substances 0.000 description 1
230000001070 adhesive effect Effects 0.000 description 1
229910052782 aluminium Inorganic materials 0.000 description 1
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
239000007900 aqueous suspension Substances 0.000 description 1
AGXUVMPSUKZYDT-UHFFFAOYSA-L barium(2+);octadecanoate Chemical compound [Ba+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O AGXUVMPSUKZYDT-UHFFFAOYSA-L 0.000 description 1
238000005452 bending Methods 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
238000007664 blowing Methods 0.000 description 1
229910052791 calcium Inorganic materials 0.000 description 1
239000011575 calcium Substances 0.000 description 1
238000005097 cold rolling Methods 0.000 description 1
150000001875 compounds Chemical class 0.000 description 1
238000011109 contamination Methods 0.000 description 1
238000010924 continuous production Methods 0.000 description 1
238000001816 cooling Methods 0.000 description 1
238000000354 decomposition reaction Methods 0.000 description 1
230000001419 dependent effect Effects 0.000 description 1
230000006866 deterioration Effects 0.000 description 1
239000002270 dispersing agent Substances 0.000 description 1
230000008030 elimination Effects 0.000 description 1
238000003379 elimination reaction Methods 0.000 description 1
239000003344 environmental pollutant Substances 0.000 description 1
239000010685 fatty oil Substances 0.000 description 1
230000007062 hydrolysis Effects 0.000 description 1
238000006460 hydrolysis reaction Methods 0.000 description 1
238000007654 immersion Methods 0.000 description 1
238000009413 insulation Methods 0.000 description 1
229920005610 lignin Polymers 0.000 description 1
230000007774 longterm Effects 0.000 description 1
239000003879 lubricant additive Substances 0.000 description 1
238000005461 lubrication Methods 0.000 description 1
229910052749 magnesium Inorganic materials 0.000 description 1
239000011777 magnesium Substances 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
238000002844 melting Methods 0.000 description 1
230000008018 melting Effects 0.000 description 1
238000000034 method Methods 0.000 description 1
239000002245 particle Substances 0.000 description 1
231100000719 pollutant Toxicity 0.000 description 1
229920000151 polyglycol Polymers 0.000 description 1
239000010695 polyglycol Substances 0.000 description 1
230000002035 prolonged effect Effects 0.000 description 1
239000002994 raw material Substances 0.000 description 1
238000005096 rolling process Methods 0.000 description 1
239000007787 solid Substances 0.000 description 1
239000003381 stabilizer Substances 0.000 description 1
238000003860 storage Methods 0.000 description 1
238000005482 strain hardening Methods 0.000 description 1
239000004094 surface-active agent Substances 0.000 description 1
239000000725 suspension Substances 0.000 description 1
238000005979 thermal decomposition reaction Methods 0.000 description 1
BSVBQGMMJUBVOD-UHFFFAOYSA-N trisodium borate Chemical compound [Na+].[Na+].[Na+].[O-]B([O-])[O-] BSVBQGMMJUBVOD-UHFFFAOYSA-N 0.000 description 1

Classifications

- 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
- C10M173/00—Lubricating compositions containing more than 10% water
- C10M173/02—Lubricating compositions containing more than 10% water not containing mineral or fatty oils
- 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
- C10M103/00—Lubricating compositions characterised by the base-material being an inorganic material
- C10M103/06—Metal compounds
- 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
- C10M105/00—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
- C10M105/08—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing oxygen
- C10M105/22—Carboxylic acids or their salts
- C10M105/24—Carboxylic acids or their salts having only one carboxyl group bound to an acyclic carbon atom, cycloaliphatic carbon atom or hydrogen
- 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
- C10M107/00—Lubricating compositions characterised by the base-material being a macromolecular compound
- C10M107/20—Lubricating compositions characterised by the base-material being a macromolecular compound containing oxygen
- C10M107/22—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C10M107/24—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to an alcohol, aldehyde, ketonic, ether, ketal or acetal radical
- C—CHEMISTRY; METALLURGY
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- C10M107/00—Lubricating compositions characterised by the base-material being a macromolecular compound
- C10M107/20—Lubricating compositions characterised by the base-material being a macromolecular compound containing oxygen
- C10M107/36—Polysaccharides, e.g. cellulose
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- C10M111/00—Lubrication compositions characterised by the base-material being a mixture of two or more compounds covered by more than one of the main groups C10M101/00 - C10M109/00, each of these compounds being essential
- C10M111/04—Lubrication compositions characterised by the base-material being a mixture of two or more compounds covered by more than one of the main groups C10M101/00 - C10M109/00, each of these compounds being essential at least one of them being a macromolecular organic compound
- C—CHEMISTRY; METALLURGY
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- C10M125/00—Lubricating compositions characterised by the additive being an inorganic material
- C10M125/24—Compounds containing phosphorus, arsenic or antimony
- C—CHEMISTRY; METALLURGY
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- C10M125/00—Lubricating compositions characterised by the additive being an inorganic material
- C10M125/26—Compounds containing silicon or boron, e.g. silica, sand
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- C10M129/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
- C10M129/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of less than 30 atoms
- C10M129/26—Carboxylic acids; Salts thereof
- C10M129/28—Carboxylic acids; Salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C10M129/38—Carboxylic acids; Salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having 8 or more carbon atoms
- C10M129/40—Carboxylic acids; Salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having 8 or more carbon atoms monocarboxylic
- C—CHEMISTRY; METALLURGY
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- C10M145/04—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to an alcohol, aldehyde, ketonic, ether, ketal or acetal radical
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- C10M145/40—Polysaccharides, e.g. cellulose
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- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/02—Water
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- C10M2201/0603—Metal compounds used as base material
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- C10M2201/06—Metal compounds
- C10M2201/061—Carbides; Hydrides; Nitrides
- C10M2201/0613—Carbides; Hydrides; Nitrides used as base material
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- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/06—Metal compounds
- C10M2201/062—Oxides; Hydroxides; Carbonates or bicarbonates
- C10M2201/0623—Oxides; Hydroxides; Carbonates or bicarbonates used as base material
- C—CHEMISTRY; METALLURGY
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- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
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- C10M2201/066—Molybdenum sulfide
- C10M2201/0663—Molybdenum sulfide used as base material
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- C10M2201/0803—Inorganic acids or salts thereof used as base material
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- C10M2201/086—Chromium oxides, acids or salts
- C10M2201/0863—Chromium oxides, acids or salts used as base material
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- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/087—Boron oxides, acids or salts
- C10M2201/0873—Boron oxides, acids or salts used as base material
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Definitions

the invention relates to lubricants for hot forming, in particular for die forging, as well as for cold forming, for example for cold rolling, cold heading, thread rolling, drawing sheet metal parts, calibrating sintered parts, stranding and bending and in particular for the drawing of stranded Umformgut, such as wire, Profiles and pipes.
lubricants When forging metal forming material, lubricants are used which serve to achieve a separating effect between the material to be formed and the tool, reduce tool wear and contribute to the cooling of the tool.
a lubricant i.a. such known on water basis.
One of these known lubricants contains in water adipic acid, alkali or alkaline earth metal hydroxide, conventional lubricant additives and graphite for certain applications (DE-A-30 13 842).
adipic acid with the alkali or alkaline earth metal hydroxide to adipic acid salts, which are the main lubricant.
This lubricant is with the Lack lacks that it can not be used without graphite addition for severe forming conditions in which the tools are particularly highly stressed and good lubrication is required because the adipic acid salts are not highly resilient due to their relatively low melting point.
the graphite additive necessary for such conditions leads to an increase in the cost of the lubricant, causes a deterioration of the release effect of the lubricant between the tool and Umformgut and leads to environmental problems due to pollutant emissions and pollution of the workplace.
lubricants for the application of cold-working lubricant layers applied either directly to the metallic material or to previously applied lubricant carrier layers, a variety of lubricants are known, i.a. also those containing one or more lubricants in water.
lubricants consists of an aqueous suspension containing calcium, magnesium, aluminum and / or barium stearate as a lubricant.
surfactants are also present in this suspension as dispersants, a lignin compound as a dispersion stabilizer and chloroparaffins and / or sulfurized fatty oil.
the application of this lubricant is carried out in such a way that the drawn material dipped in heated lubricant, then dried and then transformed.
These lubricant coatings do not have a very high dynamic viscosity, so that only relatively low deformation rates and deformation rates can be realized in difficult to convert materials.
aqueous lubricant containing water-soluble alkali soaps and pyrophosphate is also known (DE-A-1 594 502, US-A-3 313 728).
water-insoluble soaps e.g. Alkaline earth soap
the use of pyrophosphate is not possible because the alkaline earth metal soaps react with the pyrophosphate and an unstable, as a lubricant unusable product results.
aqueous lubricants based on calcium stearate and soluble pyrophosphate solidify depending on the concentration within hours to days to a solid gel.
the invention has for its object to provide for a high-performance hot and cold forming suitable, environmentally friendly, long-term stable and cheap lubricant, which have good adhesion and high pressure absorption capacity or a high and variable dynamic viscosity and thus an economical production of high quality Allow products with little tool wear.
This lubricant is particularly suitable for the cold forming of metallic materials.
lubricant according to the invention which is particularly suitable for cold forming in this composition, 2 to 8% by mass of alkaline earth soaps A, 0.2 to 1.5% by mass of alkali or ammonium borate B, 3 to 6% by mass Alkali or ammonium phosphate C and 0.1 to 0.8% by mass of polymeric organic compounds.
this lubricant are 2 to 8 mass% Erdalkaliseifen A, 1.2 to 8 mass% alkali or ammonium borate B, 0 to 0.5 mass% of alkali metal or ammonium phosphate C and 0 to 2.5 Mass% polymeric organic compounds D included.
this lubricant for hot forming 0.5 to 6 mass% alkaline earth metal soaps A, 0.5 to 3 mass% alkali or ammonium borate B, 1 to 7 mass% alkali or ammonium phosphate C and 0.15 to 0 , 5 mass% contain polymeric organic compounds.
alkaline earth soap A can be lime soaps having an increased stearate content of up to 65% by mass and sodium borate or sodium metaborate as alkali borate B.
the alkali metal phosphate C used according to the invention is preferably sodium polyphosphate, in particular Graham's salt.
Suitable polymeric organic compounds D are in particular polyvinyl alcohol, oxidatively modified polyvinyl alcohol, gelatinized starch and / or nonylphenol-polyethylene oxide adducts.
the lubricant according to the invention With the lubricant according to the invention, considerable advantages are achieved in the hot forming compared to the previously customary procedure in which working with a graphite dispersion. Thus, as a result of the elimination of the graphite contamination, the working conditions and environmental protection are substantially improved. Due to the very good lubricating properties also the tool life is much higher. The very good forming properties of the lubricant arise in a surprising manner probably by taking place on the tool partial thermal decomposition of the components contained in the lubricant to form acidic reactive decomposition products, apparently a favorable combination of lubricating and blowing action in the Wirkfuge between the workpiece and tool , combined with a favorable thermal insulation result.
the lubricants according to the invention can be produced with inexpensive raw materials and thus have a favorable effect on the cost-effectiveness of forming metallic products. It is also advantageous that the lubricants are prone to settling or gel formation even after prolonged storage.
adhesive-resistant and high-performance lubricant layers can be produced with the lubricants according to the invention. This reduces tool wear, improves product quality and allows high degrees of reshaping and forming speeds will be realized. Furthermore, intermediate coatings between individual forming stages can be largely eliminated.
the example concerns a lubricant for die forging.
the lubricant contains in water 1.6% by mass of calcium stearate, 0.16% by mass of sodium tetraborate, 1.3% by mass of sodium polyphosphate, 0.05% by mass of alkylphenol polyglycol ether and 0.3 mass% in aqueous solution at a pH of 8 and a temperature of 25 ° C resulting reaction products of the aforementioned components.
This lubricant forged to about 1250 ° C St 52 ingots forged.
the lubricant is applied to the working surfaces of the tool.
the application is carried out by means of spray nozzles and in the form of an air-lubricant jet. It can be varied to influence the temperature of the tool, the sprayed amount of lubricant or the air-lubricant ratio.
the spray pressure is chosen so high that any spray particles on the tool are removed with the spray.
the tool Before the lubricant is applied for the first time, and also after a number of forming operations, the tool can be treated with a lubricant carrier be subjected, for example by immersion in a borax or phosphate solution.
the example concerns a lubricant for wire drawing.
the lubricant contains in water 4.5% by mass of calcium stearate, 0.4% by mass of sodium tetraborate, 3.8% by mass of sodium polyphosphate and 0.5 mass% in aqueous solution at a pH of 8 and a temperature of 35 ° C resulting reaction products of the aforementioned components.
This lubricant is coated in a 3.5 mm thick M7 grade steel wire in a continuous process. After coating, the wire is dried and drawn to 1.2 mm in 7 passes without an intermediate lubricant coating.
the example concerns a lubricant for wire drawing.
the lubricant contains in water 5% by mass of calcium stearate, 2.5% by mass of sodium tetraborate, 1.5% by weight of polyvinyl alcohol and 0.6 mass% in aqueous solution at a pH of 8.5 and a temperature of 45 ° C resulting reaction products of the aforementioned components.
This lubricant is used to draw 1.2 mm thick C 15 Q Grade C 15 Q steel wire in a wet drawing machine in 15 passes at 0.3 mm.

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Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
General Chemical & Material Sciences (AREA)
Oil, Petroleum & Natural Gas (AREA)
Organic Chemistry (AREA)
Health & Medical Sciences (AREA)
Emergency Medicine (AREA)
Inorganic Chemistry (AREA)
Lubricants (AREA)

EP88104991A 1988-03-28 1988-03-28 Lubrifiant pour la déformation des métaux Expired - Lifetime EP0334977B1 (fr)

Priority Applications (3)

Application Number	Priority Date	Filing Date	Title
DE8888104991T DE3879181D1 (de)	1988-03-28	1988-03-28	Schmiermittel fuer die umformung metallischer werkstoffe.
EP88104991A EP0334977B1 (fr)	1988-03-28	1988-03-28	Lubrifiant pour la déformation des métaux
AT88104991T ATE86653T1 (de)	1988-03-28	1988-03-28	Schmiermittel fuer die umformung metallischer werkstoffe.

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
EP88104991A EP0334977B1 (fr)	1988-03-28	1988-03-28	Lubrifiant pour la déformation des métaux

Publications (2)

Publication Number	Publication Date
EP0334977A1 true EP0334977A1 (fr)	1989-10-04
EP0334977B1 EP0334977B1 (fr)	1993-03-10

Family

ID=8198847

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP88104991A Expired - Lifetime EP0334977B1 (fr)	1988-03-28	1988-03-28	Lubrifiant pour la déformation des métaux

Country Status (3)

Country	Link
EP (1)	EP0334977B1 (fr)
AT (1)	ATE86653T1 (fr)
DE (1)	DE3879181D1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0613939A3 (fr) *	1993-03-02	1994-09-14	Kyodo Yushi Co., Ltd.	Huile lubrifiante sans graphite
WO2008000700A3 (fr) *	2006-06-28	2008-02-28	Chem Fab Budenheim Kg	Lubrifiant haute température sans graphite
EP2220200A4 (fr) *	2007-11-16	2012-05-09	Henkel Ag & Co Kgaa	Lubrifiant de formage à froid anticorrosion en film sec
EP2937411A1 (fr) *	2014-04-25	2015-10-28	Voestalpine Stahl GmbH	Tôle et procédé destiné à l'amélioration de la déformabilité d'une tôle

Citations (7)

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Publication number	Priority date	Publication date	Assignee	Title
US3313729A (en) *	1966-05-02	1967-04-11	Hooker Chemical Corp	Lubricating composition and method
DE1594512A1 (de) *	1966-02-26	1970-05-06	Metallgesellschaft Ag	Schmiermittel
DE1594502A1 (de) *	1964-08-06	1970-05-06	Metallgesellschaft Ag	Schmiermittel
US3725274A (en) *	1970-11-12	1973-04-03	G Orozco	Composition and method for preparing metal for cold-working
US3974674A (en) *	1973-01-12	1976-08-17	Man-Gill Chemical Company	Composition for and method for preparation of metal for subsequent cold working
US3998984A (en) *	1974-01-03	1976-12-21	Pennwalt Corporation	Sodium tetraborate carrier coating for rod
DE3014880A1 (de) *	1978-06-06	1981-10-22	Pennwalt Corp., 19102 Philadelphia, Pa.	Trockene draht-ziehschmiermittel auf der grundlage von poly-(3,5-dithio-1,2,4-thiadiazol) und poly-(2,5-dithio-1,3,4-thiadiazol)

1988
- 1988-03-28 DE DE8888104991T patent/DE3879181D1/de not_active Expired - Fee Related
- 1988-03-28 EP EP88104991A patent/EP0334977B1/fr not_active Expired - Lifetime
- 1988-03-28 AT AT88104991T patent/ATE86653T1/de not_active IP Right Cessation

Patent Citations (7)

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Publication number	Priority date	Publication date	Assignee	Title
DE1594502A1 (de) *	1964-08-06	1970-05-06	Metallgesellschaft Ag	Schmiermittel
DE1594512A1 (de) *	1966-02-26	1970-05-06	Metallgesellschaft Ag	Schmiermittel
US3313729A (en) *	1966-05-02	1967-04-11	Hooker Chemical Corp	Lubricating composition and method
US3725274A (en) *	1970-11-12	1973-04-03	G Orozco	Composition and method for preparing metal for cold-working
US3974674A (en) *	1973-01-12	1976-08-17	Man-Gill Chemical Company	Composition for and method for preparation of metal for subsequent cold working
US3998984A (en) *	1974-01-03	1976-12-21	Pennwalt Corporation	Sodium tetraborate carrier coating for rod
DE3014880A1 (de) *	1978-06-06	1981-10-22	Pennwalt Corp., 19102 Philadelphia, Pa.	Trockene draht-ziehschmiermittel auf der grundlage von poly-(3,5-dithio-1,2,4-thiadiazol) und poly-(2,5-dithio-1,3,4-thiadiazol)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0613939A3 (fr) *	1993-03-02	1994-09-14	Kyodo Yushi Co., Ltd.	Huile lubrifiante sans graphite
US5460737A (en) *	1993-03-02	1995-10-24	Kyodo Yushi Co., Ltd.	Graphite-free lubricating oil
WO2008000700A3 (fr) *	2006-06-28	2008-02-28	Chem Fab Budenheim Kg	Lubrifiant haute température sans graphite
US8940672B2 (en)	2006-06-28	2015-01-27	Chemische Fabrik Budenheim Kg	Graphite-free high-temperature lubricant
EP2878661A1 (fr) *	2006-06-28	2015-06-03	Chemische Fabrik Budenheim KG	Lubrifiant haute température sans graphite
EP2220200A4 (fr) *	2007-11-16	2012-05-09	Henkel Ag & Co Kgaa	Lubrifiant de formage à froid anticorrosion en film sec
US8541350B2 (en)	2007-11-16	2013-09-24	Henkel Ag & Co. Kgaa	Dry-film, anti-corrosive cold forming lubricant
EP2937411A1 (fr) *	2014-04-25	2015-10-28	Voestalpine Stahl GmbH	Tôle et procédé destiné à l'amélioration de la déformabilité d'une tôle
WO2015162304A1 (fr) *	2014-04-25	2015-10-29	Voestalpine Stahl Gmbh	Tôle et procédé d'amélioration de la transformabilité d'une tôle

Also Published As

Publication number	Publication date
EP0334977B1 (fr)	1993-03-10
DE3879181D1 (de)	1993-04-15
ATE86653T1 (de)	1993-03-15

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