WO2002103062A1 - Fil d'acier ou materiau de fil d'acier ayant d'excellentes proprietes de lubrification - Google Patents

Fil d'acier ou materiau de fil d'acier ayant d'excellentes proprietes de lubrification Download PDF

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Publication number
WO2002103062A1
WO2002103062A1 PCT/JP2002/005731 JP0205731W WO02103062A1 WO 2002103062 A1 WO2002103062 A1 WO 2002103062A1 JP 0205731 W JP0205731 W JP 0205731W WO 02103062 A1 WO02103062 A1 WO 02103062A1
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Prior art keywords
steel wire
film
lubricating
coating
lubricating film
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PCT/JP2002/005731
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English (en)
Japanese (ja)
Inventor
Shinobu Komiyama
Manabu Kumagai
Noboru Yamamoto
Kenichi Kawazoe
Koushirou Hirata
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Nihon Parkerizing Co., Ltd.
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Publication of WO2002103062A1 publication Critical patent/WO2002103062A1/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
    • 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
    • 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
    • C10M107/02—Hydrocarbon polymers; Hydrocarbon polymers modified by oxidation
    • C10M107/04—Polyethene
    • 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
    • C10M125/00—Lubricating compositions characterised by the additive being an inorganic material
    • C10M125/26—Compounds containing silicon or boron, e.g. silica, sand
    • 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
    • C10M125/00—Lubricating compositions characterised by the additive being an inorganic material
    • C10M125/26—Compounds containing silicon or boron, e.g. silica, sand
    • C10M125/30—Clay
    • 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
    • C10M143/00—Lubricating compositions characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation
    • C10M143/02—Polyethene
    • 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
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/02—Water
    • 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
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/087—Boron oxides, acids or salts
    • 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
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/10—Compounds containing silicon
    • 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
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/10—Compounds containing silicon
    • C10M2201/102—Silicates
    • 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
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/10—Compounds containing silicon
    • C10M2201/102—Silicates
    • C10M2201/103—Clays; Mica; Zeolites
    • 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
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/10—Compounds containing silicon
    • C10M2201/105—Silica
    • 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
    • C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
    • C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
    • C10M2205/022—Ethene
    • 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
    • C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
    • C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
    • C10M2205/022—Ethene
    • C10M2205/0225—Ethene used as base material
    • 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
    • C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
    • C10M2205/14—Synthetic waxes, e.g. polythene waxes
    • 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
    • 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
    • C10N2050/015—Dispersions of solid lubricants
    • C10N2050/02—Dispersions of solid lubricants dissolved or suspended in a carrier which subsequently evaporates to leave a lubricant coating

Definitions

  • the present invention relates to a steel wire or a steel wire having excellent lubricity. More specifically, the present invention has a lubricating film with excellent workability and anti-seizure properties on the surface, so that cold plastic working is possible without the need for oil or lubricating powder, and phosphorus is completely contained in the lubricating film.
  • the present invention relates to a steel wire or a steel wire rod that does not contain the same and can avoid the phosphorus immersion phenomenon during heat treatment. Background art
  • a steel wire or a steel wire obtained by cold-drawing a hot-rolled wire is subjected to further cold working for various uses.
  • a protective coating layer having both seizure resistance and lubricity is formed on the surface of the steel wire or steel wire. Need to be kept. By coating the surface of the workpiece with this coating layer, metal contact with the tool can be avoided, and the coefficient of friction on the surface of the workpiece can be reduced to reduce the load and the generation of processing heat. As a result, processing energy can be reduced.
  • Examples of the steel wire or steel wire material having such a protective coating layer include those having lime soap or borax adhered to the surface thereof, those having a reactive coating such as phosphate treatment, and the like. Lubricity is also provided by attaching lubricating powder, which is mainly composed of inorganic substances such as metallic soap and slaked lime, during wire drawing. In the field where relatively severe cold working is performed, when a steel wire or steel wire with a lubrication protective film having a metallic soap layer and an unreacted soap layer formed on a phosphating film is used. There are many.
  • This lubricating protective film can sufficiently follow large area enlargement during heavy working and multi-step working with the metallic soap layer and unreacted soap layer formed as a reaction film on the phosphate film. is there.
  • phosphating films are not Therefore, complicated treatment liquid management and many processes are required, and enormous costs are required including wastewater treatment and capital investment.
  • the phosphorus in the phosphate film causes a phosphorus immersion phenomenon that causes delayed breakage. Phosphate coatings are seen as a problem.
  • JIS-B1051 stipulates that, for male threaded parts of 12.9 class strength, there must be no white phosphorus-enriched layer that can be confirmed with an optical microscope on the surface where tensile stress acts. ing.
  • a protective film by a simple process that does not contain phosphorus, and is equivalent to a conventional high lubricity film consisting of a phosphate film, a metallic soap and an unreacted soap layer. Attempts have been made to develop protective films having excellent performance.
  • a lubricating composition for plastic processing of a metal material containing a synthetic resin and a water-soluble inorganic salt in a specific ratio is known (Japanese Patent Application Laid-Open No. 2000-38088). No. 0).
  • this composition When this composition is used, a film in which the synthetic resin and the water-soluble inorganic salt are uniformly deposited is formed on the surface of the work material, so that direct metal contact with the tool can be avoided.
  • a lubricating component or the like in the film in a proportion, lubricating performance equivalent to or better than that obtained when a lubricating component layer is formed on the phosphate film can be provided.
  • the present invention has been made to solve the above-mentioned problems of the prior art, and is obtained by a simple method in which an aqueous treatment solution containing no phosphorus is applied to a material to be coated by a dipping method or a spray method and then dried.
  • the present inventors have conducted intensive studies to solve the above-mentioned problems, and as a result, have found that potassium salt of boric acid, polyethylene wax having an average particle diameter of 1 tm or less, synthetic skeleton [S i 8 (Mg a L i b) O 20 ( OH) C F 4.
  • Aqueous treatment liquid containing steel as a main component is applied to steel wire or steel wire material by dipping or spraying method, and then dried to obtain very good adhesion, uniform adhesion, uniform heat resistance
  • the present inventors have found that a film having excellent properties, toughness, and self-lubricating property can be formed on the surface of a steel wire or a steel wire, and have completed the present invention.
  • the present invention relates to a steel wire or a steel wire having excellent lubricity, having a lubricating film as a component formed on the surface.
  • the polyethylene wax content in the lubricating film is preferably from 15 to 40% by mass. Further, it is preferable that the adhesion amount of the lubricating film is 2 to 15 g / m 2 .
  • the lubricating film formed on the surface of the steel wire or steel wire of the present invention exhibits good seizure resistance due to the film composed of potassium borate, and excellent self-lubricating property due to the polyethylene wax contained as a lubricating component. Is shown.
  • the synthetic hectorite dispersed colloidally in a boric acid potassium salt solution controls the viscosity of the liquid film during the film formation process and uniformly coats the film.
  • the “steel” in the “steel wire or steel wire rod J” of the present invention includes not only carbon steel but also alloy steel and special steel.
  • Examples of such steel include carbon steel from mild steel having a carbon content of about 0.1 to 0.2% to hard steel having a high carbon content, and silicon, manganese, tungsten, nickel, chromium, depending on the purpose of the carbon steel. , Copper, aluminum, molybdenum, vanadium, Examples include alloy steels and special steels containing at least one element selected from elements such as cono-ret, titanium, and zircon.
  • steel wire generally refers to steel as it is added to the wire by hot working, and steel wire is a steel wire that has been drawn to a specified size (wire diameter ⁇ roundness, etc.). And steel wires that have been subjected to further processing, such as those that have been plated.
  • the potassium salt of boric acid which is the main component of the lubricating film covering the surface of the steel wire or the steel wire excellent in lubricity of the present invention, has a very high solubility, and is likely to be supersaturated when the aqueous solution is dried and concentrated. Crystallization hardly occurs, and a tough film having high continuity can be formed.
  • the content of the potassium salt of boric acid in the lubricating film is preferably 50% by mass or more, and more preferably 60% by mass or more. If the content is less than 50% by mass, sufficient continuity of the lubricating film is impaired, and the strength of the lubricating film is reduced. Therefore, it is difficult to stably avoid direct metal contact between the workpiece and the tool, and the The seizure phenomenon and the like easily occur.
  • the lubricating film is a dry film.
  • the polyethylene wax of the present invention which imparts a high degree of lubricity to a film covering the surface of a steel wire or a steel wire having excellent lubricity, exists in a dispersed state in the lubricating film.
  • the average particle size of this polyethylene wax must be 1 jum or less. If it exceeds 1 / i in, the strength of the lubricating film will be extremely reduced, and the film will not be able to follow during wire drawing.
  • the wax content in the lubricating film is preferably 15 to 40% by mass so that sufficient lubricity is exhibited in the dry film and the strength of the film is not reduced.
  • Synthetic hectorite has a three-layer structure, and each layer of the crystal structure in the layered structure is composed of a two-dimensional platelet with a thickness of about 1 nm.
  • Some of the magnesium atoms present in the middle layer of this platelet unit are isomorphically substituted with low-valent lithium atoms, and as a result, the platelet unit is negatively charged. This negative charge is balanced with displaceable cations outside the lattice structure of the plate surface, and in the solid phase these particles are bound together by van der Waals forces to form a flat bundle.
  • the aqueous dispersion of synthetic hectorite is a two-dimensional platelet or disc-shaped plate with a thickness of about 1 nm, which is considered to have a plate surface diameter of 20 to 40 nm.
  • Synthetic hectorite is essential for forming a uniform lubricating film on the surface of the steel wire or steel wire of the present invention.
  • Synthetic hectorite which is contained in an aqueous solution of potassium borate in a colloidal state, exhibits strong structural slime at low shear to this aqueous solution. Due to this structural viscosity, the liquid film adhered to the surface of the coating material undergoes rapid gelation before the drying step, and uniform coating with little amount gradient and uneven adhesion due to dripping can be realized.
  • the content of synthetic hectorite in the lubricating film is preferably at least 3% by mass, more preferably at least 5% by mass. If the content is less than 3% by mass, the rate of increase in viscosity during the drying process decreases, and the effect of physically suppressing the aggregation and segregation of the lubricating components contained in the liquid film due to heat concentration cannot be sufficiently exhibited. Composition uniformity cannot be obtained.
  • a range in which a viscosity modifier is used to adjust the viscosity of the aqueous treatment liquid without affecting the film strength can be contained within.
  • the viscosity modifier those commonly used can be used, and examples thereof include organic polymer-based polymers such as hydroxyethyl cellulose, carboxymethyl cellulose, polyacrylamide, sodium polyacrylate, polyvinylpyrrolidone, and polyvinyl alcohol. And thickeners. Viscosity modifiers, when used, usually have a content of less than 20% by weight in the lubricating film.
  • an aqueous treatment liquid containing a predetermined amount of each of the above components is prepared, and the steel wire or the steel to be coated is prepared. Apply it to the surface of the steel wire and dry it.
  • the solids concentration of the aqueous treatment solution is preferably 5% by mass or more and 10% by mass in order to avoid adhesion unevenness and maintain uniform adhesion of the film. %, which is even more preferred to be at least%. If the solids concentration of the aqueous treatment liquid is less than 5% by mass, uniform skin formation becomes difficult.
  • the surface of the material to be coated Prior to applying the aqueous treatment liquid used for forming a lubricating film of a steel wire or a steel wire excellent in lubricity according to the present invention to a material to be coated, the surface of the material to be coated is cleaned. Pretreatment is appropriate. Such pretreatment is not limited, but is usually performed by pickling, ⁇ washing with water or pickling, ⁇ washing with water ⁇ degreasing ⁇ washing with water.
  • the application of the aqueous treatment liquid may be performed by an ordinary method such as dipping, spraying, pouring, and electrostatic coating.
  • the coating may be performed as long as the surface of the material to be coated is sufficiently covered with the aqueous composition, and there is no particular limitation on the temperature of the aqueous treatment liquid and the application time. After coating, dry the treated liquid film. Therefore, in order to promote drying, it is preferable to set the temperature of the aqueous treatment liquid at about 40 to 90 ° C. and to consider a coating time during which the surface temperature of the material to be treated sufficiently rises. Drying may be carried out at room temperature, but it is usually preferable to carry out drying at 60 to 150 ° C for 10 to 60 minutes.
  • the amount of the lubricating film attached is preferably 2 to 15 g / m 2 .
  • An aqueous treatment solution for steel wire or steel wire was prepared with the components and proportions shown in Table 1.
  • the coating process was performed in the following processing steps.
  • Treatment solution application aqueous treatment solution of Example or Comparative Example, 60 ° C, immersion 60 seconds
  • a wire drawing test at a linear speed of 10 Om / min was performed at the following processing rates, and the workability of the film was evaluated based on the remaining film mass after the wire drawing.
  • Cross-sectional reduction rate (cross-sectional area before processing-cross-sectional area after processing) / cross-sectional area before processing X 100 Evaluation criteria:
  • ⁇ Residual film mass is 2.0 g / m 2 or more.
  • ⁇ Remaining film mass is 1.0 gZm 2 or more and less than 2.0 g / m 2 .
  • X remaining coating mass 1. less than 0 g Zm 2.
  • Adhesion amount gradient (Each part adhesion amount-average adhesion amount) / average adhesion amount X 100 Processing conditions:
  • a liquid drain holding step of 10 seconds was introduced at an angle of 45 degrees, and drying was performed for 10 minutes with a hot air dryer at 100 ° C.
  • the difference between the mass of the cut piece when the lubricating film is adhered and the mass of the cut piece after the lubricating film is peeled off is defined as the amount of coating. I went.
  • ⁇ // is ⁇ 5% or more and soil is less than 15%
  • Table 1 shows the test results of ⁇ 15% or more.
  • the lubricating films formed by the aqueous treatment liquids of Examples 1 to 5 sufficiently satisfied the practical working follow-up performance by the wire drawing test.
  • the results were excellent in terms of uniform adhesion, which is particularly important in practical use in order to sufficiently exhibit lubrication performance.
  • Comparative Example 1 which does not contain synthetic hectorite, shows good lubricity, but is uneasy for industrial use, especially since a problem remains in the uniform adhesion of the film. Average particle size
  • Comparative Examples 2 and 3 using a polyethylene wax exceeding 1 / zm had poor workability by wire drawing test, and Comparative Example 3 had poor uniform adhesion due to the absence of synthetic hectorite.
  • Comparative Example 4 using sodium borate as the coating base the lubricating coating for cold plastic working of steel wire or steel wire without oil or lubricating padder is particularly difficult because of the poor processability of the coating in the wire drawing test.
  • the phosphate coating of Comparative Example 5 which had been subjected to a reactive soap treatment exhibited almost the same lubricating performance as the present invention, but required wastewater treatment and liquid management and could not be used with simple equipment, and involved reaction. Environmental impact is large because waste is generated.
  • the steel wire or the steel wire having excellent lubricity of the present invention can be obtained by attaching the aqueous treatment liquid used in the present invention to the surface of the steel wire or the steel wire, and then drying it. It is uniformly coated with a film having lubricity equal to or higher than that of conventional phosphate treatment + reaction soap lubrication treatment. As a result, the surface of the coiled steel wire or steel wire material can be uniformly coated by a simple method, and stable performance can be ensured.In addition, compared to the conventional phosphate method, there is less waste and the working environment is favorable. Its industrial utility value is extremely high.

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  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Lubricants (AREA)
  • Metal Extraction Processes (AREA)

Abstract

Cette invention se rapporte à un fil d'acier ou à un matériau de fil d'acier ayant d'excellentes propriétés de lubrification et composé d'un fil d'acier de base et d'un film de revêtement lubrifiant qui est formé sur la surface du fil d'acier de base et qui contient un sel potassium d'acide borique, une cire de polyéthylène ayant un diamètre particulaire moyen inférieur ou égal à 1νm et de l'hectorite synthétique [Si8(MgaLib)O20(OH)cF4-c]-xNa+x, où 0 < a ≤ 6, 0 < b ≤ 6, 4 < a + b < 8, 0 ≤ c ≤ 4, et x = 12 - 2a - b. On peut préparer ce fil d'acier ou ce matériau de fil d'acier en revêtant un fil d'acier de base avec un liquide de traitement aqueux ne contenant pas de phosphore par un procédé d'immersion, un procédé de pulvérisation ou similaire, et en le séchant ensuite, par une opération simple et facile, et on recouvre ensuite ce fil d'acier de base, sans irrégularité, avec un film de revêtement ayant d'excellentes propriétés de lubrification et de résistance au grippage, comparables ou supérieures à celles d'un film de revêtement composite traditionnel constitué d'un film de phosphate et d'un savon appliqué sur ce film.
PCT/JP2002/005731 2001-06-14 2002-06-10 Fil d'acier ou materiau de fil d'acier ayant d'excellentes proprietes de lubrification WO2002103062A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001-180745 2001-06-14
JP2001180745A JP4004752B2 (ja) 2001-06-14 2001-06-14 潤滑性に優れる鋼線又は鋼線材

Publications (1)

Publication Number Publication Date
WO2002103062A1 true WO2002103062A1 (fr) 2002-12-27

Family

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Application Number Title Priority Date Filing Date
PCT/JP2002/005731 WO2002103062A1 (fr) 2001-06-14 2002-06-10 Fil d'acier ou materiau de fil d'acier ayant d'excellentes proprietes de lubrification

Country Status (2)

Country Link
JP (1) JP4004752B2 (fr)
WO (1) WO2002103062A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006257530A (ja) * 2005-03-18 2006-09-28 Jtekt Corp 金属原料用のブリケットの製造装置
JP4836170B2 (ja) * 2005-08-11 2011-12-14 住友金属工業株式会社 表面処理鋼帯
WO2009081639A1 (fr) * 2007-12-26 2009-07-02 Sumitomo Metal Industries, Ltd. Procédé de fabrication de tuyau en acier à nervures intérieures

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6284192A (ja) * 1985-09-11 1987-04-17 Kobe Steel Ltd 金属の冷間加工用潤滑剤
JPH03263497A (ja) * 1990-03-14 1991-11-22 Daido Kagaku Kogyo Kk 水溶性熱間潤滑剤組成物

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6284192A (ja) * 1985-09-11 1987-04-17 Kobe Steel Ltd 金属の冷間加工用潤滑剤
JPH03263497A (ja) * 1990-03-14 1991-11-22 Daido Kagaku Kogyo Kk 水溶性熱間潤滑剤組成物

Also Published As

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JP4004752B2 (ja) 2007-11-07
JP2002371293A (ja) 2002-12-26

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