EP0837744A1 - Schmierverfahren für schwere umformungen - Google Patents
Schmierverfahren für schwere umformungenInfo
- Publication number
- EP0837744A1 EP0837744A1 EP96922900A EP96922900A EP0837744A1 EP 0837744 A1 EP0837744 A1 EP 0837744A1 EP 96922900 A EP96922900 A EP 96922900A EP 96922900 A EP96922900 A EP 96922900A EP 0837744 A1 EP0837744 A1 EP 0837744A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- water
- component
- volume
- oil
- miscible
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000001050 lubricating effect Effects 0.000 title claims abstract description 14
- 239000005068 cooling lubricant Substances 0.000 claims abstract description 27
- 239000012141 concentrate Substances 0.000 claims abstract description 18
- 239000010730 cutting oil Substances 0.000 claims abstract description 15
- 239000000203 mixture Substances 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000000641 cold extrusion Methods 0.000 claims abstract description 3
- 239000003879 lubricant additive Substances 0.000 claims abstract description 3
- 239000000839 emulsion Substances 0.000 claims description 23
- 239000003921 oil Substances 0.000 claims description 17
- 238000005260 corrosion Methods 0.000 claims description 9
- 230000007797 corrosion Effects 0.000 claims description 9
- 239000003112 inhibitor Substances 0.000 claims description 7
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 6
- 239000000194 fatty acid Substances 0.000 claims description 6
- 229930195729 fatty acid Natural products 0.000 claims description 6
- -1 fatty acid esters Chemical class 0.000 claims description 6
- 239000003995 emulsifying agent Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 claims description 4
- 239000002480 mineral oil Substances 0.000 claims description 4
- 229920005862 polyol Polymers 0.000 claims description 4
- 150000003077 polyols Chemical class 0.000 claims description 4
- 239000000047 product Substances 0.000 claims description 4
- 239000000344 soap Substances 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 239000005069 Extreme pressure additive Substances 0.000 claims description 3
- 239000004164 Wax ester Substances 0.000 claims description 3
- 150000002191 fatty alcohols Chemical class 0.000 claims description 3
- 235000010446 mineral oil Nutrition 0.000 claims description 3
- 230000004048 modification Effects 0.000 claims description 3
- 238000012986 modification Methods 0.000 claims description 3
- 239000011593 sulfur Substances 0.000 claims description 3
- 229910052717 sulfur Inorganic materials 0.000 claims description 3
- 150000003626 triacylglycerols Chemical class 0.000 claims description 3
- 235000019386 wax ester Nutrition 0.000 claims description 3
- 239000004480 active ingredient Substances 0.000 claims description 2
- 150000001412 amines Chemical class 0.000 claims description 2
- 239000003963 antioxidant agent Substances 0.000 claims description 2
- 150000002148 esters Chemical class 0.000 claims description 2
- 239000008240 homogeneous mixture Substances 0.000 abstract description 2
- 239000005864 Sulphur Substances 0.000 abstract 1
- 235000019198 oils Nutrition 0.000 description 14
- 239000000314 lubricant Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005191 phase separation Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000005555 metalworking Methods 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 235000019484 Rapeseed oil Nutrition 0.000 description 1
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 1
- 230000000996 additive 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
- 239000008346 aqueous phase Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000003139 biocide Substances 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 150000001983 dialkylethers Chemical class 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 230000001804 emulsifying effect Effects 0.000 description 1
- 150000002194 fatty esters Chemical class 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000320 mechanical mixture Substances 0.000 description 1
- 239000007764 o/w emulsion Substances 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000003760 tallow Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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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
- C10M173/00—Lubricating compositions containing more than 10% water
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M101/00—Lubricating compositions characterised by the base-material being a mineral or fatty oil
- C10M101/02—Petroleum fractions
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- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
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- C10M101/00—Lubricating compositions characterised by the base-material being a mineral or fatty oil
- C10M101/04—Fatty oil fractions
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- 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
- C10M105/32—Esters
- C10M105/34—Esters of monocarboxylic acids
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- 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
- C10M105/32—Esters
- C10M105/38—Esters of polyhydroxy compounds
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- C10M133/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen
- C10M133/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen having a carbon chain of less than 30 atoms
- C10M133/04—Amines, e.g. polyalkylene polyamines; Quaternary amines
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- C10M133/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen
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- C10M133/04—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M133/06—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms
- C10M133/08—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms containing hydroxy groups
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- C10M133/16—Amides; Imides
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- C10M135/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing sulfur, selenium or tellurium
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- C10M145/18—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M145/24—Polyethers
- C10M145/26—Polyoxyalkylenes
- C10M145/36—Polyoxyalkylenes etherified
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- C10M2203/1006—Petroleum or coal fractions, e.g. tars, solvents, bitumen used as base material
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- C10M2203/102—Aliphatic fractions
- C10M2203/1025—Aliphatic fractions used as base material
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- C10M2203/106—Naphthenic fractions
- C10M2203/1065—Naphthenic fractions used as base material
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- C10M2203/108—Residual fractions, e.g. bright stocks
- C10M2203/1085—Residual fractions, e.g. bright stocks used as base material
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- C10M2207/28—Esters
- C10M2207/281—Esters of (cyclo)aliphatic monocarboxylic acids
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- C10M2207/2815—Esters of (cyclo)aliphatic monocarboxylic acids used as base material
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- C10M2207/282—Esters of (cyclo)aliphatic oolycarboxylic acids
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- C10M2207/283—Esters of polyhydroxy compounds
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- C10M2207/28—Esters
- C10M2207/283—Esters of polyhydroxy compounds
- C10M2207/2835—Esters of polyhydroxy compounds used as base material
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- C10M2207/28—Esters
- C10M2207/284—Esters of aromatic monocarboxylic acids
- C10M2207/2845—Esters of aromatic monocarboxylic acids used as base material
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- C10M2207/404—Fatty vegetable or animal oils obtained from genetically modified species
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- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/04—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms
-
- 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
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/04—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2215/042—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms containing hydroxy groups; Alkoxylated derivatives thereof
-
- 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
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions
- C10M2215/08—Amides [having hydrocarbon substituents containing less than thirty carbon atoms]
-
- 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
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions
- C10M2215/08—Amides [having hydrocarbon substituents containing less than thirty carbon atoms]
- C10M2215/082—Amides [having hydrocarbon substituents containing less than thirty carbon atoms] containing hydroxyl groups; Alkoxylated derivatives
-
- 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
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions
- C10M2215/086—Imides [having hydrocarbon substituents containing less than thirty carbon atoms]
-
- 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
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions
- C10M2215/12—Partial amides of polycarboxylic acids
-
- 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
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions
- C10M2215/12—Partial amides of polycarboxylic acids
- C10M2215/122—Phtalamic acid
-
- 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
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions
- C10M2215/24—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions having hydrocarbon substituents containing thirty or more carbon atoms, e.g. nitrogen derivatives of substituted succinic acid
- C10M2215/26—Amines
-
- 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
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions
- C10M2215/24—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions having hydrocarbon substituents containing thirty or more carbon atoms, e.g. nitrogen derivatives of substituted succinic acid
- C10M2215/28—Amides; Imides
-
- 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
- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
-
- 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
- C10N2040/24—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
-
- 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
- C10N2050/00—Form in which the lubricant is applied to the material being lubricated
- C10N2050/01—Emulsions, colloids, or micelles
Definitions
- the invention relates to a method for lubricating workpieces made of metal, in particular steel or aluminum, for forming processes by drawing or deep drawing.
- a method for lubricating workpieces made of metal, in particular steel or aluminum for forming processes by drawing or deep drawing.
- an inhomogeneous mixture prepared immediately before the forming operation is applied, the essential components of which are a concentrate of a water-miscible cooling lubricant emulsion and a non-water-soluble visual cutting oil.
- lubricants are required, the main purpose of which is to reduce the friction between the tool and the workpiece.
- An overview of the shaping metalworking processes and the aids usually used for this purpose can be found, for example, in Ullmann's Encyclopedia of Industrial Chemistry, 5th Ed., Vol. A15, 479-486 (1990).
- the spectrum of the forms of supply of the auxiliaries in question ranges from oils to oil-in-water emulsions to aqueous solutions.
- Other components such as, for example, viscosity regulators, defoamers or corrosion inhibitors, are usually added to the base liquids.
- Lubricants for example so-called "EP additives"
- EP additives are still common, especially in oil-based systems.
- the use of emulsifiers is generally necessary for the formation of emulsions. In many cases, the agents are also stabilized by biocides.
- oils Today paraffin or mineral oils are preferably used as oil components.
- synthetic lubricants such as polyolefins can also be used. Ecological advantages can be achieved when using oils on a native basis, with for example in the form of native triglycerides or modification products thereof, wax esters, fatty acid esters of polyols or longer-chain dialkyl ethers.
- the oils are used as such in the form of so-called "non-water-miscible" cooling lubricants. You then have the advantage of not chemically attacking metals and providing good corrosion protection. The good lubricating effect is also an advantage.
- the main disadvantage lies in the low heat capacity of non-water-miscible cooling lubricants, so that the heat generated during the forming processes is dissipated only with difficulty.
- non-water-miscible cooling lubricants also referred to as "cutting oils” or “metalworking oils”
- cutting oils or “metalworking oils”
- metalworking oils water-miscible cooling lubricants which come on the market in the form of a low-water or water-free concentrate and which are mixed by users with water in a cooling lubricant emulsion be transferred in the form of an oil-in-water emulsion.
- approximately 5% aqueous emulsions are produced.
- the advantage of this type of cooling lubricant is the good cooling effect, which is based on the thermal properties of the water.
- the lubricating effect caused by the oil content of the emulsion is sufficient for most machining processes in metal-cutting manufacturing.
- suitable corrosion inhibitors it must be ensured that the corrosion of the metallic workpieces, which is possible due to the presence of the aqueous phase, does not occur.
- This object is achieved by a method for lubricating metal workpieces for forming processes by drawing, deep-drawing or cold extrusion, characterized in that an inhomogeneous mixture is formed from
- the invention is therefore mainly based on mixing a non-water-miscible cutting oil with the concentrate of a water-miscible cooling lubricant emulsion, contrary to the usual teachings in practice. This has not been considered so far, since a stable homogeneous mixture cannot be obtained from these two components, but rather a phase separation is observed on standing. Accordingly, according to the invention, it is necessary for the water-miscible cooling lubricant emulsion and the water-immiscible cutting oil to be introduced by mechanical energy input, for example by stirring, mix intensively with one another and keep in the inhomogeneous mixture.
- inhomogeneous mixture here means that the cutting oil is not emulsified into the water-miscible cooling lubricant emulsion, but is mechanically distributed therein with such a droplet size that it rapidly changes, for example within half an hour, after the end of the mechanical mixing separated phase separated again.
- the lubricating effect required in the context of the task according to the invention is only achieved if the cutting oil is present in the mechanical mixture with a drop size such that a phase separation occurs spontaneously after the mechanical force has ended.
- the process according to the invention can therefore be carried out by mixing the above components a) and b), if appropriate together with the other components c) and d), by stirring in a mixing container and, with the stirrer running, via a removal line to the factory piece.
- the individual components can be fed to a multi-substance nozzle and sprayed onto the workpiece together.
- a two-component nozzle is sufficient for this purpose, through whose one supply line the water-miscible components and through the second supply line the non-water-miscible components are supplied.
- component a) can be an emulsion concentrate which is composed of 30 to 50% by weight of an oil component, preferably mineral oil, which if desired contains sulfurized fractions, and 10 to 20 wt .-% water.
- the rest of 100% by weight consists of emulsifiers, preferably based on fatty alcohol ethoxylates, of corrosion inhibitors, preferably based on amine soaps, ethanolamine soaps and / or ethanolamides, and, if appropriate, of further auxiliaries or additives known for this product group in the prior art Active ingredients.
- a non-water-miscible cutting oil is suitable as component b).
- oils on a native basis, in particular on an ester basis.
- these are native triglycerides or modification products thereof, wax esters and fatty acid esters of monoalkanols with 4 to 12 carbon atoms, for example tallow fatty acid ethylhexyl ester or transesterified rapeseed oil, and fatty acid esters of polyols, in particular trimethylol propane being used as the polyol component.
- Component b) can also be mixtures of such oils.
- the oils can contain additional auxiliaries, in particular EP additives, for example in the form of sulfurized compounds, antioxidants and corrosion inhibitors.
- the problem was solved by producing an inhomogeneous mixture of the following components in a batch container with stirring and applying it to the material to be formed in an amount of about 6 to 8 ml per wheel disc: a) 50% by volume of a water-miscible concentrate of a chlorine-free cooling lubricant emulsion consisting of 40% by weight of mineral oil, 40% by weight of emulsifiers based on fatty alcohol ethoxylates and corrosion inhibitors and 20% by weight of water (P3-multan R 81-3, Henkel KGaA, Dusseldorf),
- the tool life could be increased more than a hundredfold.
- this mixture was left to stand, the phases separated within 10 minutes.
- the formed wheels were subsequently rinsed off with a water-mixed cooling lubricant emulsion, the concentrate / cutting oil mixture easily emulsified into them.
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Engineering & Computer Science (AREA)
- Lubricants (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19525407A DE19525407A1 (de) | 1995-07-12 | 1995-07-12 | Schmierverfahren für schwere Umformungen |
| DE19525407 | 1995-07-12 | ||
| PCT/EP1996/002904 WO1997002909A1 (de) | 1995-07-12 | 1996-07-03 | Schmierverfahren für schwere umformungen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0837744A1 true EP0837744A1 (de) | 1998-04-29 |
| EP0837744B1 EP0837744B1 (de) | 1999-04-07 |
Family
ID=7766653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP96922900A Expired - Lifetime EP0837744B1 (de) | 1995-07-12 | 1996-07-03 | Schmierverfahren für schwere umformungen |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0837744B1 (de) |
| DE (2) | DE19525407A1 (de) |
| WO (1) | WO1997002909A1 (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19715408C2 (de) * | 1996-04-13 | 2002-09-19 | Vaillant Joh Gmbh & Co | Verfahren zur Vorbehandlung zu schneidender, zu stanzender oder zu verformender, insbesondere tiefzuziehender, metallischer Teile |
| DE19703085A1 (de) * | 1997-01-29 | 1998-07-30 | Henkel Kgaa | Kühlschmierstoffemulsion |
| GB2351923A (en) * | 1999-07-12 | 2001-01-17 | Perkins Engines Co Ltd | Self-cleaning particulate filter utilizing electric discharge currents |
| ES2172412B1 (es) * | 2000-07-21 | 2003-10-01 | Nueva Fl Iberica S A | Procedimiento para la preparacion de fluidos lubrificantes de corte. |
| GB0321210D0 (en) | 2003-09-10 | 2003-10-08 | Btg Int Ltd | Apparatus and method for dispensing foam |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3429815A (en) * | 1965-10-08 | 1969-02-25 | Bethlehem Steel Corp | Rolling oils |
| US3444080A (en) * | 1967-04-14 | 1969-05-13 | Shell Oil Co | Lubricant for rolling metals |
| US3726799A (en) * | 1971-05-18 | 1973-04-10 | Kaiser Aluminium Chem Corp | Water based rolling lubricant |
| DE2362051A1 (de) * | 1973-12-13 | 1975-06-19 | Hufnagl Walter | Verfahren zum herstellen von bewehrungsstaehlen (bewehrungsstaeben) |
-
1995
- 1995-07-12 DE DE19525407A patent/DE19525407A1/de not_active Withdrawn
-
1996
- 1996-07-03 DE DE59601619T patent/DE59601619D1/de not_active Expired - Fee Related
- 1996-07-03 WO PCT/EP1996/002904 patent/WO1997002909A1/de not_active Ceased
- 1996-07-03 EP EP96922900A patent/EP0837744B1/de not_active Expired - Lifetime
Non-Patent Citations (1)
| Title |
|---|
| See references of WO9702909A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0837744B1 (de) | 1999-04-07 |
| DE19525407A1 (de) | 1997-01-16 |
| DE59601619D1 (de) | 1999-05-12 |
| WO1997002909A1 (de) | 1997-01-30 |
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