WO2013008802A1 - Matériau lubrifiant en bande pour tréfilage à sec et son procédé de production - Google Patents

Matériau lubrifiant en bande pour tréfilage à sec et son procédé de production Download PDF

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Publication number
WO2013008802A1
WO2013008802A1 PCT/JP2012/067540 JP2012067540W WO2013008802A1 WO 2013008802 A1 WO2013008802 A1 WO 2013008802A1 JP 2012067540 W JP2012067540 W JP 2012067540W WO 2013008802 A1 WO2013008802 A1 WO 2013008802A1
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WIPO (PCT)
Prior art keywords
wire drawing
acid
belt
lubricant
salt
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PCT/JP2012/067540
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English (en)
Japanese (ja)
Inventor
和樹 前田
秀樹 手塚
啓嗣 奥山
敦史 前川
真一 矢野
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共栄社化学株式会社
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Application filed by 共栄社化学株式会社 filed Critical 共栄社化学株式会社
Priority to JP2013523946A priority Critical patent/JP6085559B2/ja
Priority to US14/232,008 priority patent/US20140290320A1/en
Priority to CN201280034425.3A priority patent/CN103649286A/zh
Priority to KR1020137033262A priority patent/KR20140045406A/ko
Publication of WO2013008802A1 publication Critical patent/WO2013008802A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C9/00—Cooling, heating or lubricating drawing material
    • B21C9/005—Cold application of the lubricant
    • 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
    • C10M107/46—Lubricating compositions characterised by the base-material being a macromolecular compound containing sulfur
    • 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
    • C10M111/00—Lubrication compositions characterised by the base-material being a mixture of two or more compounds covered by more than one of the main groups C10M101/00 - C10M109/00, each of these compounds being essential
    • C10M111/04—Lubrication compositions characterised by the base-material being a mixture of two or more compounds covered by more than one of the main groups C10M101/00 - C10M109/00, each of these compounds being essential at least one of them being a macromolecular organic compound
    • C—CHEMISTRY; METALLURGY
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    • 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
    • C10M125/02—Carbon; Graphite
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    • 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
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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
    • C10M105/22—Carboxylic acids or their salts
    • C10M105/24—Carboxylic acids or their salts having only one carboxyl group bound to an acyclic carbon atom, cycloaliphatic carbon atom or hydrogen
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    • 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
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    • C10M2201/04—Elements
    • C10M2201/041—Carbon; Graphite; Carbon black
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    • C10M2201/06—Metal compounds
    • C10M2201/062—Oxides; Hydroxides; Carbonates or bicarbonates
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    • C10M2201/066—Molybdenum sulfide
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    • C10M2201/08—Inorganic acids or salts thereof
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    • C10M2201/087—Boron oxides, acids or salts
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    • C10M2201/10—Compounds containing silicon
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    • C10M2201/103—Clays; Mica; Zeolites
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    • C10M2205/0225—Ethene used as base material
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    • 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
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
    • 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
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/10—Inhibition of oxidation, e.g. anti-oxidants
    • 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
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/64—Environmental friendly 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
    • C10N2040/22—Metal working with essential removal of material, e.g. cutting, grinding or drilling
    • 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 is used to prevent a seizure due to direct contact between the base material and the die and maintain a stable processing state when a base material such as a wire or a rod is drawn and diameter-reduced and drawn.
  • the present invention relates to a belt-like dry wire drawing lubricant.
  • Wire drawing is performed by drawing a large-diameter wire rod or rod made of metal such as steel or non-ferrous metal from a hole in a mold steel like a die, and reducing the diameter to a thin wire rod or rod.
  • dry-type wire drawing lubricants are widely used. This dry wire drawing lubricant is used to prevent the base material and the die from being in direct contact and seizure, to be slippery and to maintain a stable processed state.
  • Patent Document 1 discloses a boric acid-free dry wire drawing lubricant containing a metal salt of a saturated fatty acid, a boron-free water-soluble inorganic condensation compound and / or a condensation precursor compound thereof.
  • a dry drawing lubricant composed of a metal salt of a saturated fatty acid, an inorganic substance, and an additive has a powdery or granular shape.
  • This powder or granular dry wire drawing lubricant can be used under severe wire drawing conditions such as high temperature, high pressure, and high speed, and the wire diameter can be reduced from a small diameter to a large diameter. It is widely used because it can handle diameters and linear speeds from low to high.
  • the powder or granular dry wire drawing lubricant is put in a large amount into the die box 3 at the time of wire drawing, and a part thereof is drawn into the die 4 together with the wire 2.
  • the lubricating coating 6 is formed on the wire 2 to prevent direct contact between the wire 2 and the die 4.
  • About 20% of the dry wire drawing lubricant 10 put into the die box 3 is drawn into the die 4 and consumed together with the wire 2, but the rest of the dry wire drawing lubricant 10 is partially processed by processing heat. Since it is cracked and becomes a carbide, the lubricating ability is reduced, and wear powder such as the wire 2 or the die 4 is mixed, so that it cannot be used to ensure the quality of wire drawing. Therefore, the entire remaining amount is unavoidably discarded.
  • the present invention has been made to solve the above-mentioned problems, and is used under severe wire drawing conditions such as high temperature, high pressure, and high speed in the same manner as conventional powder or granular dry wire drawing lubricants.
  • lubrication is not limited to the processing shape. , Excellent trackability, spreadability, adhesion, heat resistance, workability, workability, safety, durability, productivity, etc. It is an object of the present invention to provide a dry wire drawing lubricant, a method for producing the same, and a wire drawing method using the same.
  • the belt-shaped dry wire drawing lubricant according to claim 1, which has been made to achieve the above object, comprises 10 to 90% by weight of a saturated fatty acid metal salt and 10 to 10% of a thermoplastic resin. It is characterized by comprising a film containing 90% by weight.
  • the belt-shaped dry wire drawing lubricant according to claim 2 is the lubricant according to claim 1, wherein the saturated fatty acid is butyric acid, caproic acid, caprylic acid, pelargonic acid, capric acid, undecanoic acid, lauric acid. It is characterized by being acid, myristic acid, palmitic acid, stearic acid, arachidic acid, behenic acid, lignoceric acid, serotic acid, montanic acid, and / or melicic acid.
  • the belt-shaped dry wire drawing lubricant according to claim 3 is the lubricant according to claim 1 or 2, wherein the thermoplastic resin is polyethylene, polypropylene, polystyrene, acrylonitrile-styrene copolymer resin, ethylene Vinyl acetate copolymer resin, acrylonitrile / butadiene / styrene copolymer resin, methacrylic resin, vinyl chloride, polyamide, polyacetal, polyethylene terephthalate, polybutylene terephthalate, methyl pentene, polycarbonate, polyphenylene sulfide, polyether ether ketone, polytetrafluoroethylene, It is characterized by being a polyetherimide, polyarylate, polysulfone, polyethersulfone, and / or polyamideimide.
  • the belt-shaped dry wire drawing lubricant according to claim 4 is the lubricant according to any one of claims 1 to 3, wherein the metal salt is a lithium salt, sodium salt, potassium salt, calcium salt, magnesium It is a salt, an aluminum salt, a zinc salt, a barium salt, and / or a composite metal salt thereof.
  • the metal salt is a lithium salt, sodium salt, potassium salt, calcium salt, magnesium It is a salt, an aluminum salt, a zinc salt, a barium salt, and / or a composite metal salt thereof.
  • the belt-shaped dry wire drawing lubricant according to claim 5 is the lubricant according to any one of claims 1 to 4, wherein boric acid, borate, phosphate, sulfate, carbonate, nitrate , Slaked lime, titanium oxide, talc, mica, graphite, molybdenum disulfide, layered double hydroxide, and / or sulfur.
  • the base material to be drawn is covered with the belt-like dry wire drawing lubricant according to claim 1, and the base material is passed through the hole of the die. The diameter is reduced by drawing and the wire is drawn.
  • the wire drawing method according to claim 8 is the wire drawing method according to claim 7, wherein the base material is wound or sandwiched with the belt-shaped dry wire drawing lubricant to cover the base material. To do.
  • the wire drawing method according to claim 9 is the wire drawing method according to any one of claims 7 to 8, wherein the belt-like dry wire drawing lubricant is guided by a roller and wound around the base material, It is characterized by covering.
  • a wire drawing method is the method according to any one of the seventh to ninth aspects, wherein the base material is made of metal.
  • the belt-like dry wire drawing lubricant of the present invention is not limited to the processing shape, and is drawn into a die together with the base material to be processed such as wire drawing, and forms a lubricant film on the base material. It is possible to prevent seizure due to direct contact between the die and the die and maintain a stable processing state. In addition, it can be used under severe conditions such as high temperature, high pressure, and high speed in wire drawing conditions, and it can be reduced to a wide range of wire diameters from small diameter to large diameter, and wide from low speed to high speed. It can also cope with linear speed.
  • This belt-shaped dry wire drawing lubricant is in the shape of a strip, so it can be used in a small amount while maintaining low lubrication, followability, spreadability, adhesion, and heat resistance without consuming large quantities and discarding. It can be used up while exhibiting excellent functional effects such as performance, workability and durability.
  • a dry wire drawing lubricant is required for each step. Therefore, it is possible to form a sufficient lubricating film on the surface of the wire and to maintain the effect by simply using it, or to improve production efficiency and cost effectiveness.
  • the belt-like dry wire drawing lubricant according to the present invention can be used safely without causing deterioration of the work environment, health damage to workers, or environmental pollution due to dust generated by powder or granules. It is environmentally friendly.
  • the manufacturing method of the belt-like dry wire drawing lubricant of the present invention excellent functional effects such as lubricity, followability, spreadability, adhesion, heat resistance, workability, and durability can be exhibited.
  • a film-like strip-shaped dry wire drawing lubricant can be produced easily and efficiently.
  • the wire drawing method of the present invention it is possible to reliably plastically deform the workpiece base material to be drawn by reducing the diameter by using the belt-like dry wire drawing lubricant, and again, the belt-like dry wire drawing lubricant. Even if it does not attach
  • 1 is a belt-like dry wire drawing lubricant
  • 2 is a wire rod
  • 3 is a die box
  • 4 is a die
  • 5 is a die hole
  • 6 is a lubricating coating
  • 7a, 7b and 7c are a pair of rollers
  • 10 is a dry wire drawing lubrication. It is an agent.
  • the band-shaped dry wire drawing lubricant of the present invention comprises a film containing 10 to 90% by weight of a saturated fatty acid metal salt and 10 to 90% by weight of a thermoplastic resin, and is formed into a band shape. , Formed.
  • the saturated fatty acid constituting the metal salt of the saturated fatty acid is a linear, branched or cyclic saturated fatty acid having 3 to 29 carbon atoms.
  • myristic acid, palmitic acid, and stearic acid which are easily available industrially, are preferable.
  • Examples of the metal salt constituting the metal salt of the saturated fatty acid include lithium salt, sodium salt, potassium salt, calcium salt, magnesium salt, aluminum salt, zinc salt, barium salt, and / or a composite metal salt thereof. .
  • lithium salts, sodium salts, potassium salts, calcium salts, magnesium salts, aluminum salts, and barium salts are preferable.
  • the sodium salt is water-soluble and can be suitably used under the processing conditions of the base material for plating that requires a step of washing with water in the surface treatment of the base material.
  • the calcium salt is water-insoluble and can be suitably used in the processing conditions of the base material that does not require a plating treatment or a water washing step.
  • lithium salt or potassium salt is preferable, and when attached to a die, the adhesion to the wire that facilitates the formation of a uniform film on the surface of the wire is improved.
  • a magnesium salt or an aluminum salt is preferable.
  • the barium salt can be used together with the calcium salt to improve the heat resistance against the calcium salt.
  • metal salts of saturated fatty acids may be used alone or in combination of two or more.
  • the metal salt of the saturated fatty acid is contained in the belt-shaped dry wire drawing lubricant in an amount of 10 to 90% by weight, preferably 50% by weight, and more preferably 30% by weight.
  • the content of the saturated fatty acid metal salt is less than 10% by weight or more than 90% by weight, effects such as heat resistance and lubricity may be deteriorated.
  • thermoplastic resin examples include polyethylene, polypropylene, polystyrene, acrylonitrile / styrene copolymer resin, acrylonitrile / butadiene / styrene copolymer resin, ethylene / vinyl acetate copolymer resin, methacrylic resin, vinyl chloride, polyamide, polyacetal, polyethylene terephthalate. , Polybutylene terephthalate, methylpentene, polycarbonate, polyphenylene sulfide, polyetheretherketone, polytetrafluoroethylene, polyetherimide, polyarylate, polysulfone, polyethersulfone, and polyamideimide. These thermoplastic resins may be used alone or in combination of two or more. Of these, polyethersulfone having excellent thermal stability is preferable, and a belt-like dry wire drawing lubricant having excellent heat resistance can be provided.
  • thermoplastic resin is contained in the belt-shaped dry wire drawing lubricant in an amount of 10 to 90% by weight, preferably 30% by weight, and more preferably 50% by weight.
  • content of the thermoplastic resin is less than 10% by weight or more than 90% by weight, effects such as heat resistance, lubricity, and difficulty in forming a strip may be lowered.
  • the belt-like dry wire drawing lubricant of the present invention may contain an inorganic substance and / or an additive, if necessary, in addition to the metal salt of the saturated fatty acid and the thermoplastic resin.
  • the content of the inorganic substance and / or additive is within a range that does not impair the effect of the belt-like dry wire drawing lubricant, and is 10 to 40% by weight in the belt-like dry wire drawing lubricant.
  • inorganic substance examples include boric acid, borate, phosphate, sulfate, carbonate, nitrate, slaked lime, titanium oxide, talc, mica, graphite, molybdenum disulfide, layered double hydroxide, and sulfur. . These inorganic substances may be used alone or in combination of two or more.
  • these inorganic substances can improve the functionality of the strip-type dry wire drawing lubricant in combination with a saturated fatty acid metal salt or a thermoplastic resin contained as an essential component.
  • a saturated fatty acid metal salt and an inorganic substance for example, when the saturated fatty acid metal salt is a sodium salt of a saturated fatty acid, it preferably contains boric acid which is a water-soluble inorganic substance.
  • boric acid which is a water-soluble inorganic substance.
  • it is a calcium salt of a saturated fatty acid, it preferably contains slaked lime which is a water-insoluble inorganic substance.
  • additives include boric acid, borate, phosphate, sulfate, carbonate, nitrate, slaked lime, titanium oxide, talc, mica, graphite, molybdenum disulfide, layered double hydroxide, and sulfur. It is done. These additives may be used alone or in combination of two or more.
  • the belt-shaped dry wire drawing lubricant of the present invention is manufactured as follows.
  • a saturated fatty acid metal salt obtained by reacting a saturated fatty acid heated and melted with a compound having a metal constituting the metal salt of the saturated fatty acid
  • a thermoplastic resin Mix for solid wire drawing by pressing the solid obtained after uniform kneading using a roll press or heating press to form a sheet, film, or film and passing it through a sheet cutter to form a strip Get the lubricant.
  • the metal salt of saturated fatty acid may be mixed with an inorganic substance or an additive in advance as necessary.
  • the metal salt of saturated fatty acid can be used in the form of powder, granule, lump, or solid.
  • the obtained belt-shaped dry wire drawing lubricant is not particularly limited in width, thickness and length, and is appropriately selected depending on the base material and wire drawing conditions.
  • the sheet of several tens of centimeters to 1 m may be wound into a sheet roll and used as it is as a strip, or may be used as a strip by appropriately cutting and winding it up.
  • the width of the belt-shaped dry wire drawing lubricant is appropriately adjusted according to the shape, diameter, length, and material of the base material in the wire drawing process, and is not particularly limited, but is a width capable of forming a lubricant film on the surface of the base material. However, it is preferable that the diameter is comparable to the diameter of the base material.
  • the thickness of the belt-like dry wire drawing lubricant is appropriately adjusted according to the shape, diameter, length, and material of the base material in wire drawing, and is not particularly limited, but the optimum thickness varies depending on the die half angle. . If the film thickness of the belt-shaped dry wire drawing lubricant is too thick, it may not be drawn into the die together with the base material.
  • the obtained belt-shaped dry wire drawing lubricant is, for example, a wire 2 which is a metal workpiece base material when wire drawing is performed using a die 4 in a die box 3. At the same time, it is drawn into the die 4 and used.
  • the wire drawing method is, for example, as follows.
  • the belt-shaped dry wire drawing lubricant 1 is installed together with the wire 2 in the die hole 5 and is drawn into the die 4 while being wound around the wire 2 at the same time as the wire 2 is drawn.
  • the wire 2 becomes a desired wire 2 that has been plastically deformed and drawn, and the belt-like dry wire-drawing lubricant 1 drawn into the die 4 together with the wire 2 is crimped and heat-bonded to the wire 2.
  • Lubricating film 6 is formed on the surface.
  • the belt-shaped dry wire drawing lubricant 1 may be used by being previously spirally wound around the wire 2 or may be used by sandwiching the wire 2 vertically or horizontally. Therefore, the shape of the belt-shaped dry wire drawing lubricant 1 is not limited to being flat or smooth as long as it is a belt-like film, and may have swell, twist, twist, and warp.
  • a winding roller may be used.
  • the belt-like dry wire drawing lubricant 1 is placed along the wire 2 and sandwiched between a pair of left and right rollers 7a, and the belt-like dry wire drawing lubricant 1 is twisted to form a pair of upper and lower pairs.
  • the belt-like dry wire drawing lubricant 1 may be sandwiched and rotated by the roller 7b.
  • the wire 2 may be wound and covered so as to be wrapped with the belt-shaped dry wire drawing lubricant 1 and may be drawn into the die hole 5 of the die 4 while maintaining the state.
  • Each of the pair of left and right rollers 7a and the pair of upper and lower rollers 7b may automatically rotate in response to being pulled out from the die hole 5, and rotate by itself by the power of a drive source (not shown). It may be.
  • the wire drawing conditions are not particularly limited, and can be used under the same conditions as conventional dry wire drawing lubricants.
  • the base material is not particularly limited as long as it is made of a metal such as steel, and specifically includes a wire, a wire, a tube, a rod, a rod, and the like.
  • the base material may be pretreated as necessary.
  • Specific examples of the pretreatment include surface treatments such as acid treatment, bending, shot blasting, and air blasting.
  • Example 1 of a prototype of a strip-shaped dry wire drawing lubricant to which the present invention is applied Example 1
  • a powdery dry wire drawing lubricant that is not applicable to the present invention is Comparative Example 1
  • a belt shape that is not applicable to the present invention Polyethylene is shown in Comparative Example 2, respectively.
  • Example 1 In a reaction vessel equipped with a stirrer, 75 parts by weight of industrial stearic acid was heated and melted while stirring, and then 25 parts by weight of slaked lime was added. Heating and stirring were continued until the mixture became viscous. When the mixture became hard, heating and stirring were stopped, taken out, cooled, and pulverized with a 500 mesh sieve so that the passing rate was about 60% to obtain a calcium-based lubricant which is a metal salt of a saturated fatty acid. 70 parts by weight of the obtained saturated fatty acid metal salt and 20 parts by weight of polyethylene as a thermoplastic resin were heat-kneaded at 180 ° C. using a heat kneader (trade name: Labo Plast Mill). After forming the obtained solid into a sheet shape so as to have a film thickness of 0.5 mm or less with a heating press, the sheet is cut into a strip shape having a width of 8 mm using a sheet cutter, Obtained.
  • a heat kneader
  • the oxidized scale on the surface of the wire to be processed is pickled and removed with a 12 wt% aqueous hydrochloric acid solution, and then washed with water several times to neutralize the acid treatment and prevent rust. And immersed in a 1% by weight borax aqueous solution heated to about 80 ° C. The processed wire was pulled up from the borax aqueous solution and dried to form a borax film on the processed wire, and pre-processed.
  • Example 2 1 g of the belt-shaped dry wire drawing lubricant obtained in Example 1 was introduced into the die box, the linear velocity was 40 m / min, and the wire diameter was reduced: 2.8 mm ⁇ ⁇ 2.5 mm ⁇ ⁇ 2.25 mm ⁇ . ⁇ In accordance with the conditions of three stages of 2.00 mm ⁇ and a drawing dose: 2 kg, the pretreated wire was drawn. In the three-stage wire drawing, the lubricant was used only for one pass, and the lubricant was not used for the second and third passes.
  • Table 1 shows the results of visual observation of the surface of the wire drawn using each lubricant.
  • the belt-shaped dry wire drawing lubricant of Example 1 is spread on the surface of the wire after wire drawing in a uniform film shape.
  • the powdery calcium-based dry wire drawing lubricant which is a conventional product of Comparative Example 1 partially had a metallic luster due to the film breakage of the dry wire drawing lubricant after the second pass.
  • the belt-like polyethylene which is the thermoplastic resin alone of Comparative Example 2 did not form a uniform lubricant film on the wire from the first pass, and had a metallic luster. The second pass was canceled.
  • the drawn wire is washed with a wire drawing detergent (Kyoeisha Chemical Co., Ltd .; Light Clean A-1), and the amount of each lubricant attached is calculated from the difference in weight before and after washing. The observation was magnified 400 times with a laser microscope. The results are shown in Table 2.
  • the belt-shaped dry wire drawing lubricant of Example 1 is improved in lubricating coating properties and spreadability due to the interaction between the conventional dry wire drawing lubricant and the thermoplastic resin, and is also in the belt shape.
  • a uniform lubricating film can be formed by being efficiently drawn into the die. Due to this effect, efficient wire drawing can be expected with less usage than conventional dry wire drawing lubricants. Also, because of the strip shape, it is more dusty than conventional dry wire drawing lubricants. It is judged that the work environment is unlikely to deteriorate.
  • the belt-shaped dry wire drawing lubricant of the present invention is made of a metal such as steel and a large-diameter wire, a base material such as a wire, a tube, a rod, or a rod drawn from a die steel or other die steel, Used in wire drawing to reduce the diameter by plastic deformation of a rod or the like.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Lubricants (AREA)
  • Metal Extraction Processes (AREA)

Abstract

La présente invention concerne un matériau lubrifiant en bande pour tréfilage à sec novateur qui peut non seulement être utilisé dans des conditions de tréfilage rigoureuses, par exemple à haute température sous haute pression et à grande vitesse, comme les lubrifiants pulvérulents ou granulaires traditionnels pour tréfilage à sec, mais qui peut aussi tolérer tout à la fois des réductions de diamètre pour couvrir un large éventail de diamètres des plus petits aux plus grands, ainsi qu'un large éventail de vitesses du fil des plus lentes aux plus rapides. Ledit matériau lubrifiant n'est pas limité en termes de forme des installations, est caractérisé par de remarquables propriétés en termes de capacité lubrifiante, de conformabilité, d'extensibilité, d'adhérence, de résistance à la chaleur, d'aptitude au traitement, d'aptitude au façonnage, de sécurité d'emploi, de durabilité, de productivité et autres, se révèle efficace pour ce qui est d'améliorer l'environnement de travail et se montre respectueux de l'environnement. Ledit matériau lubrifiant en bande pour tréfilage à sec est un matériau comprenant un film comportant de 10 à 90 % en poids d'un sel métallique d'un acide gras saturé et 10 à 90 % en poids d'une résine thermoplastique.
PCT/JP2012/067540 2011-07-11 2012-07-10 Matériau lubrifiant en bande pour tréfilage à sec et son procédé de production WO2013008802A1 (fr)

Priority Applications (4)

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JP2013523946A JP6085559B2 (ja) 2011-07-11 2012-07-10 帯状乾式伸線用潤滑材及びその製造方法
US14/232,008 US20140290320A1 (en) 2011-07-11 2012-07-10 Band-shaped lubricating material for dry wiredrawing and process for producing same
CN201280034425.3A CN103649286A (zh) 2011-07-11 2012-07-10 用于干式拉丝的带状润滑材料及其制备方法
KR1020137033262A KR20140045406A (ko) 2011-07-11 2012-07-10 띠 형상 건식 신선용 윤활재 및 그 제조방법

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JP (1) JP6085559B2 (fr)
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WO (1) WO2013008802A1 (fr)

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JP2014133813A (ja) * 2013-01-10 2014-07-24 Kyoeisha Chem Co Ltd 帯状乾式伸線用潤滑材
CN103952223A (zh) * 2014-03-28 2014-07-30 安徽为民磁力科技有限公司 一种低雾环保水基拉丝液
CN103952219A (zh) * 2014-03-28 2014-07-30 安徽联硕实业有限公司 一种高清洗性能的环保拉丝液

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CN105296064A (zh) * 2015-10-22 2016-02-03 无锡市永亿精密铸造有限公司 一种用于精密铸造件的陶瓷润滑剂
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CN113409982B (zh) * 2016-10-31 2023-02-17 住友电气工业株式会社 铝合金线、铝合金绞合线、包覆电线以及带端子电线
KR102361765B1 (ko) * 2016-10-31 2022-02-10 스미토모 덴키 고교 가부시키가이샤 알루미늄 합금선, 알루미늄 합금 연선, 피복 전선, 및 단자 장착 전선
KR102544287B1 (ko) * 2016-10-31 2023-06-15 스미토모 덴키 고교 가부시키가이샤 알루미늄 합금선, 알루미늄 합금 연선, 피복 전선, 및 단자 부착 전선
JP6112437B1 (ja) 2016-10-31 2017-04-12 住友電気工業株式会社 アルミニウム合金線、アルミニウム合金撚線、被覆電線、及び端子付き電線
KR102612323B1 (ko) * 2018-08-07 2023-12-12 제이에프이 스틸 가부시키가이샤 윤활 피막을 갖는 강판 및 그 제조 방법
CN112300854A (zh) * 2020-09-24 2021-02-02 常州市实创润滑剂有限公司 一种金属拉丝粉及其制备方法
CN118341927A (zh) * 2024-04-22 2024-07-16 广东韶铸精锻有限公司 一种多段温锻线

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