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WO1993019225A1 - Fil d'acier presentant une excellente aptitude au façonnage en ressort, et production de ce fil - Google Patents

Fil d'acier presentant une excellente aptitude au façonnage en ressort, et production de ce fil Download PDF

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Publication number
WO1993019225A1
WO1993019225A1 PCT/JP1993/000347 JP9300347W WO9319225A1 WO 1993019225 A1 WO1993019225 A1 WO 1993019225A1 JP 9300347 W JP9300347 W JP 9300347W WO 9319225 A1 WO9319225 A1 WO 9319225A1
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WO
WIPO (PCT)
Prior art keywords
wire
amino acid
spring
less
formability
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.)
Ceased
Application number
PCT/JP1993/000347
Other languages
English (en)
Japanese (ja)
Inventor
Teruyuki Murai
Yoshiyuki Miyamoto
Toshiya Nakamura
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.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP06714192A external-priority patent/JP3178065B2/ja
Priority claimed from JP4111441A external-priority patent/JP3006279B2/ja
Priority claimed from JP20595692A external-priority patent/JPH0623459A/ja
Application filed by Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Priority to DE69303557T priority Critical patent/DE69303557T2/de
Priority to EP93906811A priority patent/EP0586711B1/fr
Publication of WO1993019225A1 publication Critical patent/WO1993019225A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C9/00—Cooling, heating or lubricating drawing material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F35/00—Making springs from wire
    • 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
    • C10M105/56—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing nitrogen
    • C10M105/58—Amines, e.g. polyalkylene polyamines, quaternary 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
    • C10M105/00—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
    • C10M105/56—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing nitrogen
    • C10M105/58—Amines, e.g. polyalkylene polyamines, quaternary amines
    • C10M105/60—Amines, e.g. polyalkylene polyamines, quaternary amines having amino groups bound to an acyclic or cycloaliphatic carbon atom
    • C10M105/62—Amines, e.g. polyalkylene polyamines, quaternary amines having amino groups bound to an acyclic or cycloaliphatic carbon atom containing hydroxy groups
    • 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
    • C10M105/56—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing nitrogen
    • C10M105/68—Amides; Imides
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C26/00—Coating not provided for in groups C23C2/00 - C23C24/00
    • 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
    • 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
    • C10M2215/12—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
    • C10M2215/24—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
    • 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

Definitions

  • the present invention relates to a spring steel wire excellent in spring formability and effective in environmental protection, and a method of manufacturing the steel wire.
  • this type of cable for springs has adopted a method of applying an oil agent for lubrication and applying it to spring forming for a purpose other than protection, that is, a conventional oil agent has a high strength of steel wire.
  • the lubricating effect has not been sufficient due to the increase in molding pressure accompanying the development.
  • the object of the present invention is to solve the above-mentioned conventional problems, to prevent the occurrence of seizure and chattering during shaping of a wire, and to obtain a product with less variation in shape and dimensions, which is excellent in spring formability.
  • harmful gas is generated in the annealing process after spring processing
  • An object of the present invention is to provide an X-ray which does not cause the radiation and a manufacturing method thereof.
  • a coating film made of an amino acid compound is provided on the surface of a spring steel wire after drawing or quenching and tempering.
  • amino acid compound refers to a compound in which an amino acid and a fatty acid are amide-bonded and a metal salt thereof.
  • Amino acids are molecules expressed in the form of R—CH (N Hz) COOH (R is a hydrocarbon residue)-for example, neutral amino acids such as dalysine and aninin, aspartic acid, and glutamic acid.
  • basic amino acids such as lysine and hydroxy lysine.
  • Fatty acids are molecules generally represented by the form R—C00H, and include, for example, saturated fatty acids such as palmitic acid and stearic acid and unsaturated fatty acids such as linoleic acid.
  • amino acids and fatty acids listed here are only examples.
  • a compound in which an amino acid and a fatty acid are amide-bonded is expressed in the form of R t CO NH (R 2 ) COOH (R 1 and R 2 are hydrocarbon residues).
  • the metal salt is expressed in the form of R! CONH (R z ) COOM (M is a metal).
  • the amount of the above-mentioned amino acid-based compound is preferably 3 g / m 2 or more and 15 g / m 2 or less. Further, in order to enhance the adhesive force to the steel wire, it is preferable that an acryl resin or the like is provided as a binder in the coating film of the amino acid compound.
  • the glow line of the present invention described above is obtained by applying a liquid obtained by dispersing a powder of an amino acid-based compound in an organic solvent or water to the surface of the spring wire after quenching, ⁇ K treatment, and naturally or forcibly drying. Manufacture by the method.
  • the size of the amino acid-based compound to be dispersed in the liquid is preferably set to a particle size of 0.5 / im above 3 Q ⁇ . Regardless of whether an organic solvent or water is used, the liquid preferably contains the above-mentioned binder for enhancing the adhesive force.
  • An antifoaming agent, an antiseptic, an antiseptic and the like can be added as appropriate.
  • a surfactant for improving the uniform dispersibility of the amino acid compound.
  • Amino acid-based compounds exhibit lubrication performance that is not much different from that of fluorine-based resins. Since the coating film of the amino acid compound is provided on the surface of the steel wire, c also steel wire is will not occur seizure or chatter be rubbed strongly to Koi Li Nga 'pin or the like at the time of spring forming, Since the coating is dried, it cannot be released easily and there is no problem of scattering. Furthermore, amino acid compounds are decomposed in the low-temperature annealing process after spring forming, and the components of the gas generated at this time are C, 0, H, and N, and there is no harm to the product or the human body.
  • the coating amount of the Amino acid compound, 3 g / m z above, 1 5 g / m of 2 hereinafter has a preferred, 3 g / m 2 or less in a particularly high strength ⁇ insufficient adhesion amount is
  • the spring formability is insufficient, while on the other hand, if it is more than 15 g / m 2, there is a problem of cost, and slip and the like in the feeder ⁇ -roll become easy to occur. This is because there is a risk that the transmission of the line will be hindered.
  • the binder enhances the adhesion of the amino acid-based compound, so that the coating film after drying cannot withstand higher molding pressure and separates. This is because the spring formability is further improved.
  • the powder of the amino acid compound used in the production method of the present invention preferably has a particle diameter of 0.5 to 30 ⁇ m as described above. When the particle size is in this range, the particles are uniformly dispersed in the liquid, and uneven coating is unlikely to occur.
  • the powder having a diameter of not more than 0. ⁇ m is difficult to uniformly disperse in the liquid, and is liable to aggregate to form a large lump. Further, powders and agglomerates exceeding 30 yt / m tend to precipitate in the liquid. Therefore, with a powder having a particle size outside the range of 0.5 to 30 m, it is difficult to apply the solution uniformly, and uneven coating occurs, and the effect of the coating film cannot be sufficiently obtained.
  • amino acid compounds are generally hydrophobic, it is difficult to uniformly disperse them in water. Therefore, when dispersed in water, the particle size should be within the above-mentioned range, and a surfactant should be added to impart hydrophilicity. When the amino acid compound is uniformly dispersed in an organic solvent or water in this manner, uniform application is performed, and the effect of the coating film is sufficiently brought out.
  • the drying time after the application becomes long.
  • this problem can be solved by heating the X-ray surface or the aqueous solution to 60 ° C. or more in the non-grooves. If the temperature at this time is not higher than 60, the evaporation (drying) of the water will take steps and the effect of reducing the time will be thin. Conversely, if the surface temperature of the wire exceeds 100, the aqueous solution will boil and the water will pop off during application, making uniform application impossible. When the aqueous solution is heated, it boils at 100, so it is difficult to raise the temperature to a higher temperature.
  • the addition of the surfactant to the aqueous solution improves the dispersibility of the amino acid compound powder in water, but in this case, the surfactant remains in the dried coating film. However, this absorbs moisture and the like in the air, so that the product is liable to generate water. Therefore, it is effective to heat the X-ray after the coating film is dried.
  • the X-ray is heated to 100 to 200'C, the surfactant is separated and removed. If the temperature is less than 100 ° C., the thermal decomposition of the surfactant hardly proceeds.
  • the temperature is higher than 200 ° C., the amino acid compound is thermally decomposed, and the original effect of kaki is impaired. This heating may be performed in-line, including the application of the aqueous solution, or may be performed off-line after winding the wire.
  • Fig. 1 is a graph comparing the amount of hot tanning over time between the amino acid compound coating and the fluorine resin coating.
  • FIG. 2 is a graph showing the relationship between the amount of amino acid-based compound thermally decomposed and the degree of Phoenix.
  • a dried coating film of an amino acid compound was formed on the surface of silicone chrome lume oil temper (SWOSC-V) for a valve spring having a wire diameter of -4.0 mm by the production method of the present invention.
  • Comparative material 1 has a fluorinated resin film on the surface of the wire after quenching and tempering.
  • the film is made of polytetrafluoroethylene (PTFE) powder with a particle size of 5 to 10 t / m.
  • PTFE polytetrafluoroethylene
  • Comparative Material 2 As for Comparative Material 2, after the quenching and tempering treatments were completed, the wound bundle of ropes was immersed in gear oil-based lubricating oil to form an oil film on the surface of the wire.
  • Table 1 shows the compositions of the wires used in this evaluation test, and Table 2 shows the test results.
  • Comparative material 1 55.03-0.072
  • Comparative material 2 As can be seen from 0.182, the product of the present invention has a very small variation in freedom and is close to comparative material 1.
  • Example 2- the coil spring made of the product of the present invention and the coil spring made of the comparative material 1 were subjected to low-Pen annealing for strain relief (heating temperature of 420, heating time of 30). ), And the amount of thermal decomposition of the coating film of the amino acid compound (the product of the present invention) and the coating film of the fluororesin (comparative material 1) was investigated.
  • Figure 1 shows the results.
  • the coating film of the amino acid compound used in the present invention decomposed 80% or more after 5 minutes, and decomposed 100% after 10 minutes.
  • the components of the gas generated at this time were C, 0, H, and N, which were harmless to the human body.
  • the fluorine-based resin coating film of Comparative Material 1 was slowly decomposed, and was about 50% even after 15 minutes. At this time, the components of the gaseous gas were C, H and F. Fluorine (F) reacts with hydrogen in the atmosphere to produce hydrogen fluoride (H F), which is harmful to the human body and causes product corrosion.
  • H F hydrogen fluoride
  • the coil spring composed of the product 2 of the present invention 2 and the coil spring composed of the comparative material 3 of the experimental example 3 were subjected to low-temperature annealing for removing strain under the same conditions as in the experimental example 1 under the same conditions as in the experimental example 1. The result was similar to 2.
  • each of the obtained spring glow lines was formed by a coiling machine.
  • the dimensions of the molded coil spring are the same as those in Experimental Example 1.
  • the variation in freedom was examined for each of the 300 samples. Table 4 also shows the results. ⁇
  • a coating film of an amino acid compound was provided on SW0SCV having a wire diameter of 4.0 mm used in Experimental Example 1 by the second production method of the present invention.
  • the aqueous solution used here was prepared by uniformly dispersing N-lauroy-l-V-gin powder with a particle size of 5 to 30 m together with an acrylic resin binder and a surfactant at a concentration of 10 V01% in water. It is a thing.
  • the quenched and tempered wire was immersed in a hot waterfall with continuous running before winding, and heated to a surface temperature of 80 ⁇ 5 ° C. Then, the above aqueous solution was applied to the surface of the so-called wire using an inline, and then naturally dried to remove water. In addition, in order to remove the surfactant in the dried coating film, the glow line was heated so that the surface temperature was maintained at 150 at a temperature of 1 minute, and then the completed wire was wound up.
  • Comparative material 2 55.04 0.182 After that, low-temperature annealing for strain relief was performed at 420 ° C for 30 minutes, but no harmful gas was generated as in Example 1 of the present invention in Experimental Example 1. Did not.
  • the products 1 and 3 of the present invention in Experimental Examples 1 and 3 require careful handling of the powder of the amino acid-based compound ti. An organic solvent recovery device was installed around the coating and drying lines because they were dispersed.However, for Product 4 of the present invention, an aqueous solution was used, so special attention should be paid to the handling of solutions and environmental conservation. It was not.
  • the X-ray was heated to different surface temperatures to apply the aqueous solution, and the drying condition of each was examined.
  • the glow line used was SWOOSC_V with a wire diameter of 4 used in Experimental Examples 1 and 6.
  • the aqueous solution used was the same as that used in Experimental Example 6, that is, N lauroyl-L-lysine powder having a particle size of 5 to 3 was added together with an acrylic resin binder and a surfactant to 1 OVo 1%. And uniformly dispersed in water.
  • the surface temperature of the ⁇ line was 50 ⁇ 5, 80 ⁇ 5 and 110 ⁇ 5 ° C.
  • Example 8 Instead of heating the feeder, the aqueous solution was heated and the drying state after application was examined.
  • the Si wire and aqueous solution used in this experiment are the same as those used in Example 7.
  • the temperature of the aqueous solution was 50 ° C and 80 ° C.
  • Omm SWOSC-V was immersed in heat while continuously running and heated to a surface temperature of 80 soil 5 and used on the surface in Experimental Example 6. After the aqueous solution was applied, it was air-dried to form a lysine lauryl ester coating film containing an acrylic resin binder and a surfactant. Then, 1 the wire was wound as it was, 2 the wire kept at the temperature of 150 ° for 1 minute, and 3 the wire was kept at the temperature of 250 ° C for 1 minute and wound up. He got three kinds of glow lines.
  • the coating film of the amino acid compound is provided on the surface of the spring wire, surface lubricity comparable to the case of using a fluorine resin is obtained. Seizure and chatter during molding are effectively prevented. Furthermore, the amino acid-based compound does not generate harmful gases that may cause product corrosion in the low-temperature annealing step for removing strain after spring forming. Accordingingly, according to the present invention, variations in shape, dimensions, etc. Production of high-quality springs with less waste and environmental protection during gong line production Can be made.
  • a coating film of an amino acid compound can be evenly provided with in-line, which leads to an improvement in spring formability and an improvement in productivity. Furthermore, the second production method using water as a solvent does not require a facility for recovering an organic solvent and requires only a small amount of solution handling, so that particularly excellent effects can be expected in terms of environmental conservation.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Springs (AREA)
  • Wire Processing (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)

Abstract

Fil d'acier pour ressorts présentant une excellente aptitude à un tel façonnage et non nocif pour l'environnement. Après étirage, trempe ou revenu, le fil subit un traitement de surface par un composé amino-acide qui améliore son aptitude à la lubrification et prévient les phénomènes de grippage et de broutage en cours de façonnage en ressort. Le composé amino-acide, bien que se décomposant thermiquement lors de l'étape de recuit de détente après façonnage du ressort, ne dégage aucun gaz nocif au cours de cette étape.
PCT/JP1993/000347 1992-03-25 1993-03-22 Fil d'acier presentant une excellente aptitude au façonnage en ressort, et production de ce fil Ceased WO1993019225A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE69303557T DE69303557T2 (de) 1992-03-25 1993-03-22 Stahldraht mit hervorragender formbarkeit zu federn und dessen produktion
EP93906811A EP0586711B1 (fr) 1992-03-25 1993-03-22 Fil d'acier presentant une excellente aptitude au fa onnage en ressort, et production de ce fil

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP06714192A JP3178065B2 (ja) 1992-03-25 1992-03-25 ばね成形性に優れた鋼線
JP4/67141 1992-03-25
JP4/111441 1992-04-30
JP4111441A JP3006279B2 (ja) 1992-04-30 1992-04-30 ばね成形性に優れた鋼線の製造方法
JP4/205956 1992-07-08
JP20595692A JPH0623459A (ja) 1992-07-08 1992-07-08 ばね成形性に優れた鋼線の製造方法。

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PCT/JP1993/000347 Ceased WO1993019225A1 (fr) 1992-03-25 1993-03-22 Fil d'acier presentant une excellente aptitude au façonnage en ressort, et production de ce fil

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Publication number Priority date Publication date Assignee Title
BR9713464A (pt) * 1996-08-30 2000-05-23 Solutia Inc Novos fluidos de usinagem de metal solúveis em água.
JP6617922B2 (ja) * 2016-03-22 2019-12-11 住友電気工業株式会社 オイルテンパー線

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5474969A (en) * 1977-11-28 1979-06-15 Nippon Paint Co Ltd Metal coating lubricant
JPS58135719A (ja) * 1982-02-08 1983-08-12 Sumitomo Electric Ind Ltd ばね加工性のすぐれた鋼線
JPS58138513A (ja) * 1982-02-09 1983-08-17 Sumitomo Electric Ind Ltd ばね加工性のすぐれた鋼線の製造法
JPS62290529A (ja) * 1986-06-10 1987-12-17 日本精線株式会社 ＮｉＴｉ系合金材料

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3372117A (en) * 1965-11-26 1968-03-05 Hooker Chemical Corp Cold forming lubricant
US3484209A (en) * 1966-12-08 1969-12-16 Burndy Corp Corrosion resistant electric contacts
GB1261358A (en) * 1967-11-22 1972-01-26 Nippon Kokan Kk Lubricant compositions for metal-forming processes and the method of coating metals therewith
JP2683107B2 (ja) * 1989-06-22 1997-11-26 ブリヂストンメタルファ株式会社 鋼線およびその製造方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5474969A (en) * 1977-11-28 1979-06-15 Nippon Paint Co Ltd Metal coating lubricant
JPS58135719A (ja) * 1982-02-08 1983-08-12 Sumitomo Electric Ind Ltd ばね加工性のすぐれた鋼線
JPS58138513A (ja) * 1982-02-09 1983-08-17 Sumitomo Electric Ind Ltd ばね加工性のすぐれた鋼線の製造法
JPS62290529A (ja) * 1986-06-10 1987-12-17 日本精線株式会社 ＮｉＴｉ系合金材料

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP0586711A4 *

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DE69303557T2 (de) 1997-03-06
DE69303557D1 (de) 1996-08-14
EP0586711A1 (fr) 1994-03-16
EP0586711A4 (en) 1994-08-17
EP0586711B1 (fr) 1996-07-10

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