CN112921163B - Production process of high-plasticity stainless steel wire for glasses frame - Google Patents
Production process of high-plasticity stainless steel wire for glasses frame Download PDFInfo
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- CN112921163B CN112921163B CN202110146142.9A CN202110146142A CN112921163B CN 112921163 B CN112921163 B CN 112921163B CN 202110146142 A CN202110146142 A CN 202110146142A CN 112921163 B CN112921163 B CN 112921163B
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- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 83
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
- 239000011521 glass Substances 0.000 title abstract description 16
- 238000004806 packaging method and process Methods 0.000 claims abstract description 15
- 239000002994 raw material Substances 0.000 claims abstract description 10
- 239000000243 solution Substances 0.000 claims description 40
- 238000010438 heat treatment Methods 0.000 claims description 30
- 239000011248 coating agent Substances 0.000 claims description 28
- 238000000576 coating method Methods 0.000 claims description 28
- 238000001035 drying Methods 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 24
- 238000005491 wire drawing Methods 0.000 claims description 21
- 230000001681 protective effect Effects 0.000 claims description 19
- 230000001050 lubricating effect Effects 0.000 claims description 15
- 239000000843 powder Substances 0.000 claims description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 14
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 14
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 7
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 7
- 239000011575 calcium Substances 0.000 claims description 7
- 229910052791 calcium Inorganic materials 0.000 claims description 7
- 229910052799 carbon Inorganic materials 0.000 claims description 7
- 229910052804 chromium Inorganic materials 0.000 claims description 7
- 239000011651 chromium Substances 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 239000012535 impurity Substances 0.000 claims description 7
- 229910052742 iron Inorganic materials 0.000 claims description 7
- 229910052759 nickel Inorganic materials 0.000 claims description 7
- 229910052757 nitrogen Inorganic materials 0.000 claims description 7
- 229910052698 phosphorus Inorganic materials 0.000 claims description 7
- 239000011574 phosphorus Substances 0.000 claims description 7
- 238000005096 rolling process Methods 0.000 claims description 7
- 229910052710 silicon Inorganic materials 0.000 claims description 7
- 239000010703 silicon Substances 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 7
- 239000011593 sulfur Substances 0.000 claims description 7
- 229910052717 sulfur Inorganic materials 0.000 claims description 7
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 5
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 5
- 229910052748 manganese Inorganic materials 0.000 claims description 5
- 239000011572 manganese Substances 0.000 claims description 5
- 239000011734 sodium Substances 0.000 claims description 5
- 229910052708 sodium Inorganic materials 0.000 claims description 5
- 239000006104 solid solution Substances 0.000 claims description 4
- 239000000314 lubricant Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 239000007789 gas Substances 0.000 description 30
- 238000000137 annealing Methods 0.000 description 16
- 229910000831 Steel Inorganic materials 0.000 description 10
- 239000010959 steel Substances 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 6
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 5
- 229910052939 potassium sulfate Inorganic materials 0.000 description 5
- 235000011151 potassium sulphates Nutrition 0.000 description 5
- 239000007788 liquid Substances 0.000 description 2
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 1
- 239000008116 calcium stearate Substances 0.000 description 1
- 235000013539 calcium stearate Nutrition 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- RYYKJJJTJZKILX-UHFFFAOYSA-M sodium octadecanoate Chemical compound [Na+].CCCCCCCCCCCCCCCCCC([O-])=O RYYKJJJTJZKILX-UHFFFAOYSA-M 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/06—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
- C21D8/065—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires of ferrous alloys
-
- 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
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/04—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of bars or wire
- B21C37/047—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of bars or wire of fine wires
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/007—Heat treatment of ferrous alloys containing Co
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/008—Heat treatment of ferrous alloys containing Si
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
-
- 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
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Manufacturing & Machinery (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Metal Extraction Processes (AREA)
Abstract
The invention relates to a production process of a high-plasticity stainless steel wire for a glasses frame, which takes a 304HC stainless steel wire rod as a raw material, sequentially carries out film treatment, rough drawing, primary solution treatment, fine drawing, secondary solution treatment, final drawing and rapid solution treatment, and the high-plasticity stainless steel wire for the glasses frame is obtained after packaging.
Description
Technical Field
The invention belongs to the technical field of stainless steel production, and particularly relates to a production process of a high-plasticity stainless steel wire for a spectacle frame.
Background
The glasses frame wire is a metal wire for manufacturing the front frame of the glasses frame, and the glasses frame is an important component part of the glasses, mainly plays a role in supporting the glasses lenses, and can also play a role in attractive appearance. The glasses frame wire is mainly made of metal, plastic, resin, natural materials and the like. Stainless steel is particularly favored by the eyeglass frame market because of its unique metallic luster, corrosion resistance and mechanical properties.
The stainless steel wires for the glasses frame are manufactured into the glasses frames with different shapes through subsequent processing deformation, in the process, when the grain size of the stainless steel wires is lower than 6.5 levels, the problems of tingling, roughness and the like can occur on the surfaces of the glasses frames, and when the grain size of the stainless steel wires is higher than 7.5 levels, the problems of cracking and breaking occur in the processing process of the glasses frames, and the problems are particularly prominent when the processing deformation is large. Therefore, in order to improve the plasticity of the stainless steel wire for spectacle frames during processing, it is necessary to stabilize the grain size of the stainless steel wire between 6.5 and 7.5 grades and to ensure grain size stability during mass production.
Disclosure of Invention
In order to solve the above problems, the present invention provides a process for producing a high plasticity stainless steel wire for an eyeglass frame, comprising the steps of:
s1: raw materials were selected and 304HC stainless steel wire rods were used as raw materials.
S2: and (3) coating treatment, namely sequentially carrying out coating treatment and drying treatment on the stainless steel wire rods in the step S1.
S3: and (3) rough drawing, namely passing the stainless steel wire rods processed in the step (S2) through a multi-head continuous wire drawing machine through a pay-off rack, and drawing by adopting calcium lubricating powder.
S4: and (3) solution treatment, namely carrying out heat treatment on the stainless steel wire subjected to rough drawing in the step S3 through a continuous annealing furnace.
S5: and (3) online coating treatment, namely carrying out online coating treatment on the stainless steel wire treated in the step S4, and then carrying out drying treatment.
S6: and (3) carrying out fine drawing, namely, drawing the stainless steel wire treated in the step (S5) by adopting a multi-head continuous wire drawing machine by adopting nano lubricating powder, and then taking up.
S7: and (3) solution treatment, namely carrying out heat treatment on the stainless steel wire drawn in the step S6 through a continuous annealing furnace.
And S8, finally drawing, namely carrying out wet drawing on the stainless steel wire subjected to the heat treatment in the step S7 by a single-head wire drawing machine, and then taking up the wire.
S9: and (3) carrying out rapid solution treatment, and carrying out heat treatment on the stainless steel wire drawn in the step S8 through a continuous annealing furnace.
S10: and (3) packaging, namely rolling and packaging the stainless steel wire rod obtained in the step S9.
Preferably, the 304HC stainless steel in step S1 comprises the following chemical components in percentage by weight: carbon less than or equal to 0.03%, silicon less than or equal to 1.00%, manganese less than or equal to 2.00%, chromium less than or equal to 18.0% and less than or equal to 20.0%, nickel less than or equal to 8.00% and less than or equal to 11.0%, nitrogen less than or equal to 0.10%, sulfur less than or equal to 0.030%, phosphorus less than or equal to 0.045%, copper less than or equal to 2.0% and less than or equal to 3.0%, and the balance of iron and unavoidable impurities.
Preferably, the temperature of the film treatment in the step S2 is 70-90 ℃ and the time is 10-30 min; the temperature of the drying is 150-250 ℃ and the time is 20-80 min, and the film treatment liquid contains 85-95% (mass fraction) of potassium sulfate.
Preferably, the total draw reduction in step S3 is 60% -85%, the total draw reduction in step S6 is 40% -85%, and the total draw reduction in step S8 is 10% -30%.
Preferably, the solution treatment in steps S4 and S7 is performed in a protective atmosphere of N 2 +H 2 The flow rate is 1.5 to 2.5 m/h, the heat treatment temperature is 1000 to 1100 ℃, the heat treatment speed meets the wire diameter D multiplied by the heat treatment speed V=13 to 18, wherein the unit of the wire diameter is mm,the heat treatment speed is m/min.
Preferably, in the step S5, the temperature of the film treatment is 70-90 ℃, the drying temperature is 300-400 ℃, and the film treatment liquid contains 85% -95% (mass fraction) of potassium sulfate.
Preferably, the rapid solution treatment in step S9 is performed in a protective atmosphere of N 2 +H 2 The flow is 1.5-2.5 m (a/h), the heat treatment temperature is 1000-1050 ℃, the heat treatment speed meets the wire diameter D multiplied by the heat treatment speed V=20-25, wherein the unit of the wire diameter D is mm, and the unit of the heat treatment speed V is m/min.
Preferably, the calcium-based lubricating powder in step S3 contains 90% -95% (mass fraction) of calcium stearate, the sodium-based lubricating powder in step S6 contains 90% -95% (mass fraction) of sodium stearate, and the lubricant in step S8 is 80% -90% (mass fraction) of water-soluble stearate.
Compared with the prior art, the invention has the advantages that:
the grain size of the high-plasticity stainless steel wire for the glasses frame produced by the process method can be stabilized at the level of 6.5-7.5, and the high-plasticity stainless steel wire has good batch stability and meets the requirements of the stainless steel wire for various large-deformation glasses frames.
Drawings
Fig. 1 is a process flow diagram of a process for producing a high plasticity stainless steel wire for an eyeglass frame according to the present invention.
Detailed Description
The invention is described in further detail below with reference to the embodiments of the drawings.
As shown in fig. 1, the process flow chart of the production process of the high-plasticity stainless steel wire for the eyeglass frame in the present embodiment.
Example 1
S1: the 304HC stainless steel wire rod is used as a raw material, the specification of the wire rod is phi 5.50mm, and the chemical components of the wire rod are as follows: 0.02% of carbon, 0.45% of silicon, 0.97% of manganese, 18.15% of chromium, 8.03% of nickel, 0.64% of nitrogen, 0.001% of sulfur, less than or equal to 0.024% of phosphorus, 2.53% of copper and the balance of iron and inevitable impurities.
S2: the method comprises the steps of (1) coating treatment, namely immersing a stainless steel wire rod in coating solution, and drying, wherein the coating solution is at 80 ℃ for 20min, and the coating treatment solution contains 90% (mass fraction) of potassium sulfate; the drying temperature is 200 ℃ and the drying time is 30min.
S3: and (3) rough drawing, namely, passing the stainless steel wire rod processed in the step (S2) through a multi-head continuous wire drawing machine through a pay-off rack, drawing by adopting calcium lubricating powder, and then taking up to obtain the steel wire with phi 2.2mm, wherein the total drawing deformation is 84%.
S4: solution treatment, namely, carrying out solution treatment on the stainless steel wire subjected to rough drawing, wherein the annealing temperature is 1080 ℃, and the protective gas is N 2 +H 2 The gas flow was 1.6 m/h and the velocity was 7m/min.
S5: and (3) performing online coating treatment, namely sequentially performing coating treatment and drying treatment on the stainless steel wire subjected to S4 drawing, wherein the temperature of the coating treatment is 70 ℃, and the drying temperature is 350 ℃.
S6: and (3) carrying out fine drawing, namely drawing the stainless steel wire treated in the step (S5) by a multi-head continuous wire drawing machine by adopting sodium lubricating powder, and then taking up to obtain the steel wire with phi of 1.1mm, wherein the total drawing deformation is 75%.
S7: solution treatment, annealing temperature of 1080 ℃ and protective gas of N 2 +H 2 The gas flow was 2.2 m/h and the velocity was 13m/min.
And S8, finally drawing, namely carrying out wet drawing on the annealed stainless steel wire in the step S7 by a single-head wire drawing machine, and then taking up the wire to obtain the drawing with the phi of 1.0mm, wherein the total reduction rate of drawing is 17.4%.
S9: fast solution treatment, annealing temperature of 1020 ℃ and protective gas of N 2 +H 2 The gas flow was 2m and the velocity was 20m/min.
S10: and (3) packaging, namely rolling and packaging the stainless steel wire subjected to the S9 rapid solution treatment.
Example 2
S1: the 304HC stainless steel wire rod is used as a raw material, the specification of the wire rod is phi 5.50mm, and the chemical components of the wire rod are as follows: 0.022% of carbon, 0.41% of silicon, 0.88% of manganese, 18.30% of chromium, 8.25% of nickel, 0.44% of nitrogen, 0.003% of sulfur, 0.011% of phosphorus, 2.21% of copper and the balance of iron and inevitable impurities.
S2: coating treatment, namely immersing the stainless steel wire rods in coating solution at the temperature of 80 ℃ for 30min, wherein the coating treatment solution contains 85 percent (mass fraction) of potassium sulfate; the drying temperature is 250 ℃ and the drying time is 20min.
S3: and (3) rough drawing, namely, passing the stainless steel wire rod processed in the step (S2) through a multi-head continuous wire drawing machine through a pay-off rack, drawing by adopting calcium lubricating powder, and then taking up to obtain a steel wire with phi 2.4mm, wherein the total deformation of drawing is 80.9%.
S4: solution treatment, annealing temperature of 1070 ℃, and protective gas of N 2 +H 2 The gas flow was 1.7 m/h and the velocity was 6.5m/min.
S5: and (3) performing online film treatment, namely sequentially performing film treatment and drying treatment on the stainless steel wire subjected to the step S4, wherein the temperature of the film treatment is 90 ℃, and the drying temperature is 400 ℃.
S6: and (3) carrying out fine drawing, namely drawing the stainless steel wire treated in the step (S5) by a multi-head continuous wire drawing machine by adopting sodium lubricating powder, and then taking up to obtain the steel wire with phi 1.05mm, wherein the total drawing deformation is 82.4%.
S7: solution treatment, annealing temperature of 1080 ℃ and protective gas of N 2 +H 2 The gas flow was 2.0 m.multidot.h, the velocity was 13m/min.
And S8, finally drawing, namely carrying out wet drawing on the annealed stainless steel wire in the step S7 by a single-head wire drawing machine, and then taking up the wire to obtain the drawing with the phi of 1.0mm, wherein the total reduction rate of drawing is 17.4%.
S9: fast solution treatment, annealing temperature of 1020 ℃ and protective gas of N 2 +H 2 The gas flow was 2m and the velocity was 22m/min.
S10: and (3) packaging, namely rolling and packaging the stainless steel wire rod subjected to the S9 rapid solution treatment.
Example 3
S1: the 304HC stainless steel wire rod is used as a raw material, the specification of the wire rod is phi 5.50mm, and the chemical components of the wire rod are as follows: carbon 0.02%, silicon 0.32%, manganese 0.88%, chromium 18.42%, nickel 8.50%, nitrogen 0.64%, sulfur 0.001%, phosphorus 0.021%, copper 2.71%, the balance being iron and unavoidable impurities.
S2: coating treatment, namely immersing the stainless steel wire rods in coating solution at the temperature of 70 ℃ for 10min, wherein the coating treatment solution contains 95 percent (mass fraction) of potassium sulfate; the drying temperature is 150 ℃ and the drying time is 60min.
S3: and (3) rough drawing, namely, passing the stainless steel wire rod processed in the step (S2) through a multi-head continuous wire drawing machine through a pay-off rack, drawing by adopting calcium lubricating powder, and then taking up to obtain the steel wire with phi 2.4mm, wherein the total deformation of drawing is 79.3%.
S4: solution treatment, annealing temperature of 1030 ℃ and protective gas of N 2 +H 2 The gas flow was 2.5 m/h and the velocity was 6.5m/min.
S5: and (3) performing online coating treatment, namely sequentially performing coating treatment and drying treatment on the stainless steel wire subjected to the step S4, wherein the temperature of the coating treatment is 70 ℃, and the drying temperature is 350 ℃.
S6: and (3) carrying out fine drawing, namely, drawing the stainless steel wire treated in the step (S5) by adopting a multi-head continuous wire drawing machine by adopting nano lubricating powder, and then taking up to obtain the steel wire with phi of 1.04mm, wherein the total drawing deformation is 81.2%.
S7: solution treatment, annealing temperature of 1080 ℃ and protective gas of N 2 +H 2 The gas flow was 1.9 m/h and the velocity was 13m/min.
And S8, finally drawing, namely carrying out wet drawing on the annealed stainless steel wire in the step S7 by a single-head wire drawing machine, and then taking up the wire to obtain the drawing with the phi of 1.0mm, wherein the total reduction rate of drawing is 17.4%.
S9: fast solution treatment, annealing temperature of 1020 ℃ and protective gas of N 2 +H 2 The gas flow was 2m and the velocity was 24m/min.
S10: and (3) packaging, namely rolling and packaging the stainless steel wire subjected to the S9 rapid solution treatment.
Comparative example 1
S1: the 304HC stainless steel wire rod is used as a raw material, the specification of the wire rod is phi 5.50mm, and the chemical components of the wire rod are as follows: carbon 0.02%, silicon 0.32%, manganese 0.88%, chromium 18.42%, nickel 8.50%, nitrogen 0.64%, sulfur 0.001%, phosphorus 0.021%, copper 2.71%, the balance being iron and unavoidable impurities.
S2: and (3) coating treatment, namely immersing the stainless steel wire rods in coating solution at the temperature of 80 ℃ for 15min, and drying at the temperature of 200 ℃ for 80min.
S3: and (3) rough drawing, namely, passing the stainless steel wire rod processed in the step (S2) through a multi-head continuous wire drawing machine through a pay-off rack, drawing by adopting calcium lubricating powder, and then taking up to obtain a steel wire with phi 2.6mm, wherein the total deformation of drawing is 77.7%.
S4: solution treatment, annealing temperature of 1080 ℃ and protective gas of N 2 +H 2 The gas flow was 2.2 m/h and the velocity was 6m/min.
S5: and (3) performing online film treatment, namely sequentially performing film treatment and drying treatment on the stainless steel wire subjected to the step S4, wherein the temperature of the film treatment is 90 ℃, and the drying temperature is 350 ℃.
S6: and (3) carrying out fine drawing, namely drawing the stainless steel wire treated in the step (S5) by a multi-head continuous wire drawing machine by adopting sodium lubricating powder, and then taking up to obtain the steel wire with phi of 1.4mm, wherein the total drawing deformation is 71%.
S7: solution treatment, annealing temperature of 1080 ℃ and protective gas of N 2 +H 2 The gas flow was 1.9 m/h and the velocity was 11m/min.
And S8, finally drawing, namely carrying out wet drawing on the annealed stainless steel wire in the step S7 by a single-head wire drawing machine, and then taking up the wire to obtain the drawing with the phi of 1.0mm, wherein the total reduction rate of drawing is 49%.
S9: fast solution treatment at 1050 deg.c and protection gas of N 2 +H 2 The gas flow was 1.5 m/h at a rate of 23m/min.
S10: and (3) packaging, namely rolling and packaging the stainless steel wire subjected to the S9 rapid solution treatment.
Comparative example 2
S1: the 304HC stainless steel wire rod is used as a raw material, the specification of the wire rod is phi 5.50mm, and the chemical components of the wire rod are as follows: carbon 0.02%, silicon 0.32%, manganese 0.88%, chromium 18.42%, nickel 8.50%, nitrogen 0.64%, sulfur 0.001%, phosphorus 0.021%, copper 2.71%, the balance being iron and unavoidable impurities.
S2: and (3) coating treatment, namely immersing the stainless steel wire rods in coating solution at the temperature of 80 ℃ for 10min, and drying at the temperature of 180 ℃ for 60min.
S3: and (3) carrying out rough drawing, namely, carrying out drawing on the stainless steel wire rod processed in the step (S2) through a multi-head continuous wire drawing machine through a pay-off rack, and then taking up the wire to obtain a steel wire with phi 2.5mm, wherein the total deformation of drawing is 79.3%.
S4: solution treatment, annealing temperature of 1080 ℃ and protective gas of N 2 +H 2 The gas flow was 1.6 m/h and the velocity was 6m/min.
S5: and (3) performing online film treatment, namely sequentially performing film treatment and drying treatment on the stainless steel wire subjected to the step S4, wherein the temperature of the film treatment is 75 ℃, and the drying temperature is 320 ℃.
S6: and (3) carrying out fine drawing, namely, drawing the stainless steel wire treated in the step (S5) by adopting a multi-head continuous wire drawing machine by adopting nano lubricating powder, and then taking up to obtain the steel wire with phi of 1.1mm, wherein the total drawing deformation is 80.6%.
S7: solution treatment, annealing temperature of 1080 ℃ and protective gas of N 2 +H 2 The gas flow was 1.9 m/h and the velocity was 12m/min.
And S8, finally drawing, namely carrying out wet drawing on the annealed stainless steel wire in the step S7 by a single-head wire drawing machine, and then taking up the wire to obtain the drawing with the phi of 1.0mm, wherein the total reduction rate of drawing is 17.4%.
S9: fast solution treatment at 1050 deg.c and protection gas of N 2 +H 2 The gas flow was 1.9 m/h and the velocity was 15m/min.
S10: and (3) packaging, namely rolling and packaging the stainless steel wire subjected to the S9 rapid solution treatment.
Examples 1-3 and comparative examples 1-2 were subjected to grain size, process ability index tests, test methods, test results as follows:
a. the grain size detection method is a round cut-off method in GB/T6394.
b. Process capability index test: and (3) carrying out grain size inspection on product samples with the specification of 250Kg and phi 1.0mm, sampling at equal intervals, dividing the total number of samples into 25 subgroups (5 samples in each subgroup), carrying out Cpk process capability index analysis, and meeting the stability requirement when the Cpk index is greater than or equal to 1.67.
| Test item | Example 1 | Example 2 | Example 3 | Comparative example 1 | Comparative example 2 |
| Grain size of | 6.5-7.5 | 7.0-7.5 | 7.0-7.5 | 7.5-8.5 | 6.0-7.0 |
| Process capability index Cpk | 1.72 | 2.02 | 2.03 | 1.54 | 1.33 |
As can be seen from the above table, compared with the total draw reduction rate of the final draw of S8 in comparative example 1 being 49% (not in the range of 10 to 30%), the solid solution rate in the rapid solid solution treatment of S9 in comparative example 2 was 15m/min (the heat treatment rate does not satisfy the wire diameter d×the heat treatment rate v=20 to 25), the grain size of the examples of the present invention was in the range of 6.5 to 7.5, and the process capability index was greater than 1.67, satisfying the stability requirement.
In addition to the above embodiments, the present invention also includes other embodiments, and all technical solutions that are formed by equivalent transformation or equivalent substitution should fall within the protection scope of the claims of the present invention.
Claims (6)
1. A production process of a high-plasticity stainless steel wire for a spectacle frame is characterized by comprising the following steps of: the method comprises the following steps:
s1: selecting raw materials, and adopting 304HC stainless steel wire rods as raw materials;
s2: coating treatment, namely sequentially carrying out coating treatment and drying treatment on the stainless steel wire rods in the step S1;
s3: carrying out rough drawing, namely drawing the stainless steel wire rod treated in the step S2 through a multi-head continuous wire drawing machine;
s4: solution treatment, namely performing heat treatment on the stainless steel wire after the step S3 is pulled out;
s5: performing online coating treatment, namely performing online coating treatment on the stainless steel wire treated in the step S4, and then performing drying treatment;
s6: drawing the stainless steel wire treated in the step S5 by a multi-head continuous wire drawing machine;
s7: solution treatment, namely performing heat treatment on the stainless steel wire after the step S6;
s8: finally drawing, namely carrying out wet drawing on the stainless steel wire subjected to the heat treatment in the step S7 by a single-head wire drawing machine and then taking up the wire;
s9: carrying out rapid solution treatment, and carrying out heat treatment on the stainless steel wire after the drawing in the step S8;
s10: packaging, namely rolling and packaging the stainless steel wire treated in the step S9;
the total surface reduction rate of drawing in the step S3 is 60% -85%, the total surface reduction rate of drawing in the step S6 is 40% -85%, and the total surface reduction rate of drawing in the step S8 is 10% -30%;
the rapid solution treatment in the step S9 is carried out in a protective atmosphere, wherein the protective atmosphere is N 2 +H 2 The flow is 1.5-2.5 m W/h, and the heat treatment is carried outThe temperature is 1000-1050 ℃, the heat treatment speed meets the requirement of wire diameter D multiplied by heat treatment speed V=20-25, wherein the unit of the wire diameter is mm, and the unit of the heat treatment speed is m/min.
2. A process for producing a high plasticity stainless steel wire for spectacles frame according to claim 1, wherein: the 304HC stainless steel in the step S1 comprises the following chemical components in percentage by weight: carbon less than or equal to 0.03%, silicon less than or equal to 1.00%, manganese less than or equal to 2.00%, chromium less than or equal to 18.0% and less than or equal to 20.0%, nickel less than or equal to 8.00% and less than or equal to 11.0%, nitrogen less than or equal to 0.10%, sulfur less than or equal to 0.030%, phosphorus less than or equal to 0.045%, copper less than or equal to 2.0% and less than or equal to 3.0%, and the balance of iron and unavoidable impurities.
3. A process for producing a high plasticity stainless steel wire for spectacles frame according to claim 1, wherein: the temperature of the film treatment in the step S2 is 70-90 ℃ and the time is 10-30 min; the temperature of the drying is 150-250 ℃ and the time is 20-80 min.
4. A process for producing a high plasticity stainless steel wire for spectacles frame according to claim 1, wherein: the solid solution treatment in the step S4 is carried out in a protective atmosphere which is N 2 +H 2 The flow is 1.5-2.5 m/h, the heat treatment temperature is 1000-1100 ℃, the heat treatment speed meets the wire diameter D multiplied by the heat treatment speed V=13-18, wherein the unit of the wire diameter is mm, and the unit of the heat treatment speed is m/min; the solid solution treatment in the step S7 is performed in a protective atmosphere of N 2 +H 2 The flow is 1.5-2.5 m/h, the heat treatment temperature is 1000-1100 ℃, the heat treatment speed meets the wire diameter D multiplied by the heat treatment speed V=13-18, wherein the unit of the wire diameter is mm, and the unit of the heat treatment speed is m/min.
5. A process for producing a high plasticity stainless steel wire for spectacles frame according to claim 1, wherein: in the step S5, the temperature of the film treatment is 70-90 ℃, and the drying temperature is 300-400 ℃.
6. A process for producing a high plasticity stainless steel wire for spectacles frame according to claim 1, wherein: the step S3 adopts calcium lubricating powder in the coarse drawing process, the step S6 adopts sodium lubricating powder in the fine drawing process, and the step S8 adopts water-based lubricating agent in the final drawing process.
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