CN112453080A - Manufacturing method of steel wire with excellent stability and stress resistance for spring - Google Patents
Manufacturing method of steel wire with excellent stability and stress resistance for spring Download PDFInfo
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- CN112453080A CN112453080A CN202011221522.6A CN202011221522A CN112453080A CN 112453080 A CN112453080 A CN 112453080A CN 202011221522 A CN202011221522 A CN 202011221522A CN 112453080 A CN112453080 A CN 112453080A
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- steel wire
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- wire
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- finished steel
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Classifications
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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
- B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
- B21C1/02—Drawing metal wire or like flexible metallic material by drawing machines or apparatus in which the drawing action is effected by drums
-
- 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
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/22—Making metal-coated products; Making products from two or more metals
- B21C23/24—Covering indefinite lengths of metal or non-metal material with a metal coating
-
- 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
- B21C9/02—Selection of compositions therefor
-
- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
-
- 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/525—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length for wire, for rods
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Abstract
The invention discloses a manufacturing method of a steel wire with excellent stability and stress resistance for a spring, which comprises the following steps: selecting raw materials: selecting high-carbon steel hot-rolled high-quality wire rods for production; removing oxide skin of a high-carbon steel hot-rolled wire rod through a shelling wheel, drawing the high-carbon steel hot-rolled wire rod to the diameter of a pre-drawn semi-finished steel wire required by process design through a tungsten steel wire drawing die by adopting a pre-drawing machine, and then performing primary drawing treatment; continuous heat treatment of semi-finished steel wires: and (3) carrying out lead bath quenching treatment on the pre-stretched semi-finished steel wire through a heat treatment furnace, wherein the tensile strength of the heat-treated semi-finished steel wire is 880-1100 MPa. The invention can ensure that the steel wire has high stability and stress resistance, is convenient to control the drawing tension and tension to produce the carbon thin spring steel wires with different sizes and standards, can ensure that the tensile strength of the steel wire is continuously increased, meets the requirements of the appearance, the surface quality, the mechanical property and the toughness of a steel wire product, and simultaneously achieves the batch production and ensures the product quality requirement.
Description
Technical Field
The invention relates to the technical field of steel wire manufacturing, in particular to a manufacturing method of a steel wire with excellent stability and stress resistance for a spring.
Background
The steel wire drawing is a metal pressure processing method which utilizes the plasticity of metal, deforms the metal under the action of external force by means of a wire drawing die and accordingly obtains the required shape, size and performance. The drawing of the galvanized carbon steel wire can be divided into dry drawing and wet drawing according to the lubrication state of the wire; the dry drawing generally adopts lubricating powder as a lubricating carrier, and has the advantages of good lubricating effect and high quality of the drawn galvanized carbon steel wire product; the disadvantages are large occupied area and high production cost; the wet drawing generally adopts lubricating liquid as a lubricating carrier, and has the advantages of small occupied area, low production cost, poor lubricating property, high die matching requirement and high zinc coating drawing loss rate of more than 30 percent, thereby enabling the surface of the galvanized carbon steel wire to be easily scratched. The existing steel wire drawing operation ensures that the stability and the stress resistance of the steel wire are not high, and the drawing tension are not convenient to control to produce carbon thin spring steel wires with different sizes and standards.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a manufacturing method of a steel wire for a spring with excellent stability and stress resistance.
The invention provides a manufacturing method of a steel wire with excellent stability and stress resistance for a spring, which comprises the following steps:
s1 raw material selection: selecting high-carbon steel hot-rolled high-quality wire rods for production;
s2, descaling the high-carbon steel hot-rolled wire rod through a shelling wheel, drawing the high-carbon steel hot-rolled wire rod to the diameter of a pre-drawn semi-finished steel wire required by process design through a tungsten steel wire drawing die by using a pre-drawing machine, and then performing primary drawing treatment;
s3 continuous heat treatment of semi-finished steel wire: carrying out lead bath quenching treatment on the pre-stretched semi-finished steel wire through a heat treatment furnace, wherein the tensile strength of the heat-treated semi-finished steel wire is 880-1100 MPa, and solidified lead liquid spots cannot exist on the surface of the heat-treated semi-finished steel wire;
s4 cold drawing of semi-finished steel wires: drawing the steel wire to the diameter of the pre-drawn semi-finished steel wire required by the process design by a pre-drawing machine through a tungsten steel wire drawing die, and performing primary drawing treatment again;
s5 secondary heat treatment: carrying out lead bath quenching treatment on the pre-stretched semi-finished steel wire through a heat treatment furnace, wherein the tensile strength of the heat-treated semi-finished steel wire is 900-1100 MPa, and solidified lead liquid spots cannot exist on the surface of the heat-treated semi-finished steel wire;
s6 drawing of finished steel wire: the tension and the tension of the steel wire during drawing are adjusted through the drawing wheels with different infiltration degrees of the drawing machine;
when the tension and the tensile force are required to be large, water for infiltrating the pulling wheels is discharged, the steel wire is completely drawn on the dry pulling wheels, when the tension and the tensile force are required to be small, the lower half parts or all the lower half parts of one or 2 pulling wheels at the rear end are infiltrated in the water, the part of the steel wire drawn on the dry pulling wheels is partially drawn on the infiltrated pulling wheels, and a finished steel wire is obtained;
s7, taking up and packaging: the cylindrical paper core is taken up and is packaged by a three-in-one packaging belt.
Preferably, the heat treatment parameters in step S3 are: the heating temperature is 920-950 ℃, the lead liquid quenching temperature is 530-580 ℃, and the take-up speed is 15-20 m/min.
Preferably, the heat treatment parameters in step S5 are: the heating temperature is 880-1100 ℃, the lead liquid quenching temperature is 500-550 ℃, and the take-up speed is 10-11 m/min.
Preferably, in the step S3, the semi-finished steel wire is uniformly covered with a layer of aluminum on the outer layer of the steel wire by a continuous extrusion coating machine, and the heating temperature of the die cavity is: the temperature is more than or equal to 400 ℃, and a coated semi-finished product is obtained.
Preferably, step S4 and step S6 are both provided with a wire drawing powder lubricant, and the wire drawing powder lubricant is AT-02 wire drawing powder lubricant.
Preferably, after the heat treatment, on-line acid washing is carried out in industrial synthetic hydrochloric acid with the concentration of 18% -22%, surface oxide skin is removed, and the heat treatment semi-finished steel wire with the sorbite content of more than 90% and clean surface is obtained.
According to the manufacturing method of the steel wire for the spring with excellent stability and stress resistance, disclosed by the invention, the steel wire has high stability and stress resistance, the drawing tension and tension are conveniently controlled to produce the carbon thin spring steel wires with different sizes and standards, the tensile strength of the steel wire can be continuously increased, the requirements on the appearance, the surface quality, the mechanical property and the toughness of a steel wire product are met, and meanwhile, the requirements on batch production and the product quality are met.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.
A manufacturing method of steel wire with excellent stability and stress resistance for spring comprises the following steps:
s1 raw material selection: selecting high-carbon steel hot-rolled high-quality wire rods for production;
s2, descaling the high-carbon steel hot-rolled wire rod through a shelling wheel, drawing the high-carbon steel hot-rolled wire rod to the diameter of a pre-drawn semi-finished steel wire required by process design through a tungsten steel wire drawing die by using a pre-drawing machine, and then performing primary drawing treatment;
s3 continuous heat treatment of semi-finished steel wire: carrying out lead bath quenching treatment on the pre-stretched semi-finished steel wire through a heat treatment furnace, wherein the tensile strength of the heat-treated semi-finished steel wire is 880-1100 MPa, and solidified lead liquid spots cannot exist on the surface of the heat-treated semi-finished steel wire;
s4 cold drawing of semi-finished steel wires: drawing the steel wire to the diameter of the pre-drawn semi-finished steel wire required by the process design by a pre-drawing machine through a tungsten steel wire drawing die, and performing primary drawing treatment again;
s5 secondary heat treatment: carrying out lead bath quenching treatment on the pre-stretched semi-finished steel wire through a heat treatment furnace, wherein the tensile strength of the heat-treated semi-finished steel wire is 900-1100 MPa, and solidified lead liquid spots cannot exist on the surface of the heat-treated semi-finished steel wire;
s6 drawing of finished steel wire: the tension and the tension of the steel wire during drawing are adjusted through the drawing wheels with different infiltration degrees of the drawing machine;
when the tension and the tensile force are required to be large, water for infiltrating the pulling wheels is discharged, the steel wire is completely drawn on the dry pulling wheels, when the tension and the tensile force are required to be small, the lower half parts or all the lower half parts of one or 2 pulling wheels at the rear end are infiltrated in the water, the part of the steel wire drawn on the dry pulling wheels is partially drawn on the infiltrated pulling wheels, and a finished steel wire is obtained;
s7, taking up and packaging: the cylindrical paper core is taken up and is packaged by a three-in-one packaging belt.
In the present invention, the heat treatment parameters in step S3 are: the heating temperature is 920-950 ℃, the lead liquid quenching temperature is 530-580 ℃, and the take-up speed is 15-20 m/min.
In the present invention, the heat treatment parameters in step S5 are: the heating temperature is 880-1100 ℃, the lead liquid quenching temperature is 500-550 ℃, and the take-up speed is 10-11 m/min.
In the invention, in the step S3, the semi-finished steel wire is uniformly covered with a layer of aluminum on the outer layer of the steel wire by a continuous extrusion coating machine, and the heating temperature of the die cavity is as follows: the temperature is more than or equal to 400 ℃, and a coated semi-finished product is obtained.
In the invention, step S4 and step S6 are both provided with wire drawing powder lubricants, and AT-02 wire drawing powder lubricants are selected as the wire drawing powder lubricants.
In the invention, after the heat treatment, on-line acid washing is carried out in industrial synthetic hydrochloric acid with the concentration of 18-22% to remove surface oxide skin, so as to obtain the heat-treated semi-finished steel wire with the sorbite content of more than 90% and clean surface.
The invention comprises the following steps: selecting raw materials: selecting high-carbon steel hot-rolled high-quality wire rods for production; removing oxide skin of a high-carbon steel hot-rolled wire rod through a shelling wheel, drawing the high-carbon steel hot-rolled wire rod to the diameter of a pre-drawn semi-finished steel wire required by process design through a tungsten steel wire drawing die by adopting a pre-drawing machine, and then performing primary drawing treatment; continuous heat treatment of semi-finished steel wires: carrying out lead bath quenching treatment on the pre-stretched semi-finished steel wire through a heat treatment furnace, wherein the tensile strength of the heat-treated semi-finished steel wire is 880-1100 MPa, and solidified lead liquid spots cannot exist on the surface of the heat-treated semi-finished steel wire; cold drawing of semi-finished steel wires: drawing the steel wire to the diameter of the pre-drawn semi-finished steel wire required by the process design by a pre-drawing machine through a tungsten steel wire drawing die, and performing primary drawing treatment again; secondary heat treatment: carrying out lead bath quenching treatment on the pre-stretched semi-finished steel wire through a heat treatment furnace, wherein the tensile strength of the heat-treated semi-finished steel wire is 900-1100 MPa, and solidified lead liquid spots cannot exist on the surface of the heat-treated semi-finished steel wire; drawing a finished steel wire: the tension and the tension of the steel wire during drawing are adjusted through the drawing wheels with different infiltration degrees of the drawing machine; when the tension and the tensile force are required to be large, water for infiltrating the pulling wheels is discharged, the steel wire is completely drawn on the dry pulling wheels, when the tension and the tensile force are required to be small, the lower half parts or all the lower half parts of one or 2 pulling wheels at the rear end are infiltrated in the water, the part of the steel wire drawn on the dry pulling wheels is partially drawn on the infiltrated pulling wheels, and a finished steel wire is obtained; taking up and packaging: the cylindrical paper core is taken up and is packaged by a three-in-one packaging belt.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. A method for manufacturing a steel wire for a spring excellent in stability and stress resistance, characterized by comprising the steps of:
s1 raw material selection: selecting high-carbon steel hot-rolled high-quality wire rods for production;
s2, descaling the high-carbon steel hot-rolled wire rod through a shelling wheel, drawing the high-carbon steel hot-rolled wire rod to the diameter of a pre-drawn semi-finished steel wire required by process design through a tungsten steel wire drawing die by using a pre-drawing machine, and then performing primary drawing treatment;
s3 continuous heat treatment of semi-finished steel wire: carrying out lead bath quenching treatment on the pre-stretched semi-finished steel wire through a heat treatment furnace, wherein the tensile strength of the heat-treated semi-finished steel wire is 880-1100 MPa, and solidified lead liquid spots cannot exist on the surface of the heat-treated semi-finished steel wire;
s4 cold drawing of semi-finished steel wires: drawing the steel wire to the diameter of the pre-drawn semi-finished steel wire required by the process design by a pre-drawing machine through a tungsten steel wire drawing die, and performing primary drawing treatment again;
s5 secondary heat treatment: carrying out lead bath quenching treatment on the pre-stretched semi-finished steel wire through a heat treatment furnace, wherein the tensile strength of the heat-treated semi-finished steel wire is 900-1100 MPa, and solidified lead liquid spots cannot exist on the surface of the heat-treated semi-finished steel wire;
s6 drawing of finished steel wire: the tension and the tension of the steel wire during drawing are adjusted through the drawing wheels with different infiltration degrees of the drawing machine;
when the tension and the tensile force are required to be large, water for infiltrating the pulling wheels is discharged, the steel wire is completely drawn on the dry pulling wheels, when the tension and the tensile force are required to be small, the lower half parts or all the lower half parts of one or 2 pulling wheels at the rear end are infiltrated in the water, the part of the steel wire drawn on the dry pulling wheels is partially drawn on the infiltrated pulling wheels, and a finished steel wire is obtained;
s7, taking up and packaging: the cylindrical paper core is taken up and is packaged by a three-in-one packaging belt.
2. The method for manufacturing a steel wire for a spring excellent in stability and stress resistance according to claim 1, wherein the heat treatment parameters of step S3 are as follows: the heating temperature is 920-950 ℃, the lead liquid quenching temperature is 530-580 ℃, and the take-up speed is 15-20 m/min.
3. The method for manufacturing a steel wire for a spring excellent in stability and stress resistance according to claim 1, wherein the heat treatment parameters of step S5 are as follows: the heating temperature is 880-1100 ℃, the lead liquid quenching temperature is 500-550 ℃, and the take-up speed is 10-11 m/min.
4. The method for manufacturing a steel wire for a spring excellent in stability and stress resistance according to claim 1, wherein the semi-finished steel wire is uniformly covered with a layer of aluminum on the outer layer of the steel wire by a continuous extrusion coating machine in the step S3, and the heating temperature of the die cavity is: the temperature is more than or equal to 400 ℃, and a coated semi-finished product is obtained.
5. The method for manufacturing a steel wire for a spring excellent in stability and stress resistance according to claim 1, wherein the step S4 and the step S6 are both provided with a wire drawing powder lubricant, and the wire drawing powder lubricant is AT-02 wire drawing powder lubricant.
6. The method for producing a steel wire for springs excellent in stability and stress resistance as recited in claim 1, wherein the steel wire is subjected to an on-line pickling in an industrially synthesized hydrochloric acid having a concentration of 18% to 22% after the heat treatment to remove surface scale, thereby obtaining a heat-treated semi-finished steel wire having a sorbite content of 90% or more and a clean surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011221522.6A CN112453080B (en) | 2020-11-05 | 2020-11-05 | Manufacturing method of steel wire with excellent stability and stress resistance for spring |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011221522.6A CN112453080B (en) | 2020-11-05 | 2020-11-05 | Manufacturing method of steel wire with excellent stability and stress resistance for spring |
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| CN112453080A true CN112453080A (en) | 2021-03-09 |
| CN112453080B CN112453080B (en) | 2022-05-17 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113351660A (en) * | 2021-05-20 | 2021-09-07 | 常州特发华银电线电缆有限公司 | Drawing method for improving elongation of aluminum-clad steel single wire |
| CN113732100A (en) * | 2021-08-30 | 2021-12-03 | 贵州钢绳股份有限公司 | Production technology of cold-drawn round ultrahigh-strength carbon spring steel wire |
| CN113909317A (en) * | 2021-10-12 | 2022-01-11 | 德清林缘金属制品有限公司 | Production process of spring steel wire for ultralight mattress |
| CN114480810A (en) * | 2022-01-28 | 2022-05-13 | 江阴祥瑞不锈钢精线有限公司 | Steel wire heat treatment equipment |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200942407Y (en) * | 2006-09-06 | 2007-09-05 | 郑州机械研究所 | Universal wire drawing die for dry and wet type wire drawing machine |
| JP2011156586A (en) * | 2010-02-03 | 2011-08-18 | Bridgestone Corp | Method for manufacturing high carbon steel wire and high carbon steel wire obtained by the method |
| US20120128524A1 (en) * | 2010-11-22 | 2012-05-24 | Chun Young Soo | Steel wire rod having excellent cold heading quality and hydrogen delayed fracture resistance, method of manufacturing the same, and mehod of manufacturing bolt using the same |
| CN102751045A (en) * | 2012-07-10 | 2012-10-24 | 江苏中天科技股份有限公司 | High-strength large-elongation aluminium-clad steel wire production method |
| CN106734277A (en) * | 2016-12-14 | 2017-05-31 | 鹤山恒基钢丝制品有限公司 | A kind of combination type wire drawing machine and drawing process |
| CN107020303A (en) * | 2017-05-13 | 2017-08-08 | 江苏苏丰机械科技有限公司 | A kind of water tank type copper wire drawbench |
| CN208116408U (en) * | 2018-04-09 | 2018-11-20 | 海城正昌工业有限公司 | A kind of zinc-coated wire draw-off gear |
| CN109940054A (en) * | 2019-04-10 | 2019-06-28 | 贵州钢绳股份有限公司 | A kind of diameter 0.05mm carbon steel wire manufacturing method |
-
2020
- 2020-11-05 CN CN202011221522.6A patent/CN112453080B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200942407Y (en) * | 2006-09-06 | 2007-09-05 | 郑州机械研究所 | Universal wire drawing die for dry and wet type wire drawing machine |
| JP2011156586A (en) * | 2010-02-03 | 2011-08-18 | Bridgestone Corp | Method for manufacturing high carbon steel wire and high carbon steel wire obtained by the method |
| US20120128524A1 (en) * | 2010-11-22 | 2012-05-24 | Chun Young Soo | Steel wire rod having excellent cold heading quality and hydrogen delayed fracture resistance, method of manufacturing the same, and mehod of manufacturing bolt using the same |
| CN102751045A (en) * | 2012-07-10 | 2012-10-24 | 江苏中天科技股份有限公司 | High-strength large-elongation aluminium-clad steel wire production method |
| CN106734277A (en) * | 2016-12-14 | 2017-05-31 | 鹤山恒基钢丝制品有限公司 | A kind of combination type wire drawing machine and drawing process |
| CN107020303A (en) * | 2017-05-13 | 2017-08-08 | 江苏苏丰机械科技有限公司 | A kind of water tank type copper wire drawbench |
| CN208116408U (en) * | 2018-04-09 | 2018-11-20 | 海城正昌工业有限公司 | A kind of zinc-coated wire draw-off gear |
| CN109940054A (en) * | 2019-04-10 | 2019-06-28 | 贵州钢绳股份有限公司 | A kind of diameter 0.05mm carbon steel wire manufacturing method |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113351660A (en) * | 2021-05-20 | 2021-09-07 | 常州特发华银电线电缆有限公司 | Drawing method for improving elongation of aluminum-clad steel single wire |
| CN113351660B (en) * | 2021-05-20 | 2022-09-02 | 常州特发华银电线电缆有限公司 | Drawing method for improving elongation of aluminum-clad steel single wire |
| CN113732100A (en) * | 2021-08-30 | 2021-12-03 | 贵州钢绳股份有限公司 | Production technology of cold-drawn round ultrahigh-strength carbon spring steel wire |
| CN113909317A (en) * | 2021-10-12 | 2022-01-11 | 德清林缘金属制品有限公司 | Production process of spring steel wire for ultralight mattress |
| CN114480810A (en) * | 2022-01-28 | 2022-05-13 | 江阴祥瑞不锈钢精线有限公司 | Steel wire heat treatment equipment |
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| CN112453080B (en) | 2022-05-17 |
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