CN111974827A - Production method of steel wire material for high-strength optical fiber cable - Google Patents
Production method of steel wire material for high-strength optical fiber cable Download PDFInfo
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- CN111974827A CN111974827A CN202010849503.1A CN202010849503A CN111974827A CN 111974827 A CN111974827 A CN 111974827A CN 202010849503 A CN202010849503 A CN 202010849503A CN 111974827 A CN111974827 A CN 111974827A
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- optical fiber
- steel wire
- fiber cable
- steel
- wire
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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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/16—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling wire rods, bars, merchant bars, rounds wire or material of like small cross-section
-
- 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
- B21C3/00—Profiling tools for metal drawing; Combinations of dies and mandrels
- B21C3/02—Dies; Selection of material therefor; Cleaning thereof
-
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/033—Other grinding machines or devices for grinding a surface for cleaning purposes, e.g. for descaling or for grinding off flaws in the surface
-
- 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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/08—Iron or steel
Abstract
The invention discloses a production method of a steel wire material for a high-strength optical fiber cable, which relates to the technical field of production of the steel wire material for the optical fiber cable, in particular to a production method of the steel wire material for the high-strength optical fiber cable, and the production method of the steel wire material for the high-strength optical fiber cable comprises the following steps: s1, selecting materials: s2, derusting: s3, rolling head: and S4, drawing wires. According to the invention, the used steel can be ensured to have good quality by selecting materials, so that the processed steel can meet the use requirement just now, and a large number of unqualified products are inconvenient to appear; the scale on the surface of the metal can be removed through the processes of polishing, acid washing, water washing and acid-base neutralization in the rust removal process, so that the scale can be prevented from damaging the surface of the die and the surface of the steel wire during drawing, preparation can be made for drawing of the metal, the qualification rate of metal wire drawing can be improved, the high temperature generated during drawing can be reduced through the set water cooling mode, and the torsion and bending performance of the steel wire temperature are ensured.
Description
Technical Field
The invention relates to the technical field of steel wire material production for optical fiber cables, in particular to a production method of a steel wire material for high-strength optical fiber cables.
Background
An optical fibre cable is a telecommunications cable consisting of two or more glass or plastic optical fibre cores, which are located in a protective covering, covered by a plastic PVC outer sleeve. Signal transmission along the internal optical fiber generally uses infrared rays. In general, the terms optical fiber and optical cable are to be confused. Most optical fibers must be covered by several layers of protective structures before use, and the covered cables are referred to as fiber optic cables. The protective layer and the insulating layer on the outer layer of the optical fiber can prevent the surrounding environment from damaging the optical fiber, such as water, fire, electric shock and the like. The optical cable is divided into: cable sheath, aramid fiber silk, buffer layer and optic fibre. Optical fibers are similar to coaxial cables except that the mesh shielding is not present. The center is the glass core through which the light propagates. The steel wire is one of four major varieties of steel plate, pipe, mould and wire, and is a reprocessed product made by cold drawing hot rolled wire rod. The steel wires are classified according to the shape of the cross section, and mainly comprise round, square, rectangular, triangular, oval, flat, trapezoidal, Z-shaped and the like; .
Generally, the problem of loose material selection exists when the steel wire material for the optical fiber cable is processed and produced, so that the production qualification rate of the steel wire is influenced due to the self problem of the metal steel material, meanwhile, the problem that rust cannot be cleaned exists in the metal rust removal process, the production qualification rate of the steel wire is influenced, and the problem of unfavorable temperature control also exists during the steel wire drawing, so that the production method of the steel wire material for the high-strength optical fiber cable is provided.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a production method of a steel wire material for a high-strength optical fiber cable, which solves the problems that the material selection is not strict when the steel wire material for the optical fiber cable is generally processed and produced in the background technology, so the production qualification rate of the steel wire is influenced due to the self-problem of the metal steel material, meanwhile, the corrosion cannot be cleaned in the metal rust removal process, the production qualification rate of the steel wire is influenced, and the problem of unfavorable temperature control exists during the drawing of the steel wire.
In order to achieve the purpose, the invention is realized by the following technical scheme: the production method of the steel wire material for the high-strength optical fiber cable comprises the following steps:
s1, selecting materials: the steel wire with high strength and high strength, which contains less than 0.6% of carbon, has good surface quality, and the chemical composition, structure, decarburizing depth and inclusion content are required to meet the specification. The diameter of the wire is selected to be thicker so that enough drawing passes can be realized.
S2, derusting: (1) polishing and derusting: the steel can be subjected to primary polishing treatment through mechanical friction equipment;
(2) acid pickling for rust removal: after preliminary rust removal, acid cleaning is needed to remove residual rust;
(3) washing with water: taking out, washing with clear water, and removing acid liquor;
(4) acid-base neutralization: then soaking in alkaline solution to neutralize residual acid solution in the steel bar and lubricate the surface of the steel bar for drawing wire.
S3, rolling head: and putting the round steel bar subjected to rust removal on a rotating frame, and putting one end of the round steel bar into the middle of a compression roller of a heading machine to roll the round steel bar to be thin, so that the end part of the round steel bar can conveniently penetrate through a wire drawing die hole.
S4, drawing: mounting the wire drawing die on a wire drawing machine fixing frame, and enabling the head-rolled thin steel bar head to pass through a wire drawing die hole; the wire drawing work can be carried out after cooling water is introduced into the wire drawing shell, so that the steel wire material for the high-strength optical fiber cable can be produced.
Optionally, the mechanical friction device for polishing and derusting in step S2 may be an electric resistance wheel or an old wire-drawing die with the same diameter as the steel bar.
Optionally, in the step S2, the acid solution used for acid washing and rust removal is hydrochloric acid, the hydrochloric acid content is 18-20%, and the acid washing time is 5-15 minutes.
Optionally, in the step S2, the water is washed with clean water, the filled clean water needs to overflow the steel wire, and impurities in the clean water are avoided.
Optionally, in the step S2, the alkaline solution for acid-base neutralization is lime soap water, and lime paste or lime soap wire drawing powder is used for lubricating the surface of the steel bar.
Optionally, in S4, the wire drawing machine may be a water tank wire drawing machine, a connected tank wire drawing machine, an inverted wire drawing machine, a horizontal tank wire drawing machine, a medium water tank wire drawing machine, or the like.
Optionally, the cooling water cooling temperature of the S4 wire drawing machine is kept below 160 °.
The invention provides a production method of a steel wire material for a high-strength optical fiber cable, which has the following beneficial effects:
1. according to the invention, the used steel can be ensured to have good quality by selecting materials, so that the processed steel can meet the use requirement just now, and a large number of unqualified products are inconvenient to appear; the scale on the surface of the metal can be removed through the processes of polishing, acid washing, water washing and acid-base neutralization in the rust removal process, so that the scale can be prevented from damaging the surface of a die and the steel wire during drawing, good surface conditions are prepared for subsequent lubrication treatment, the friction during drawing is reduced, the drawing force is reduced, and the preparation can be made for the drawing of the metal, so that the qualification rate of metal drawing can be improved, the high temperature generated during drawing can be reduced through the arranged water cooling mode, the service life of a die can be prolonged, and the temperature torsion and bending performance of the steel wire can be ensured; the steel wire produced by the method can be assembled in the optical fiber cable, so that the strength of the whole structure of the optical fiber cable can be improved, and the problems of breaking and wire falling of the optical fiber cable in use are avoided;
2. the structure and mechanical properties of the steel wire change in the cold drawing process, and work hardening is generated. With the increase of the cold deformation degree, the tensile strength, hardness, elastic limit and the like of the general steel wire are increased, and the elongation, the reduction of area and the like are reduced; due to work hardening, after the drawing deformation reaches a certain value, the cold workability of the steel wire is remarkably reduced and the steel wire is not suitable for further drawing, and intermediate heat treatment is required to recover the workability, and the reduction ratio of one drawing is about 70-90%. Therefore, the process flow of the steel wire production has the characteristic of reciprocating circulation.
Detailed Description
In the following, technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.
The invention provides a technical scheme that: the production method of the steel wire material for the high-strength optical fiber cable comprises the following steps:
s1, selecting materials: the steel wire with high strength and high strength, which contains less than 0.6% of carbon, has good surface quality, and the chemical composition, structure, decarburizing depth and inclusion content are required to meet the specification. The diameter of the wire is selected to be thicker so that enough drawing passes can be realized.
S2, derusting: (1) polishing and derusting: the steel can be primarily polished through an electric resistance wheel or an old wire drawing die with the same diameter as the steel bar;
(2) acid pickling for rust removal: after preliminary rust removal, acid cleaning is carried out to remove residual rust, acid solution used for acid cleaning and rust removal is hydrochloric acid, the content of the hydrochloric acid is 18-20% and is proper, the acid cleaning time is 5-15 minutes, and the hydrochloric acid solution is ensured to be completely soaked in the steel, so that the acid cleaning effect is ensured;
(3) washing with water: discharging the acid-washed hydrochloric acid, filling clear water which needs to overflow the steel wire and contains impurities in the clear water, washing with the clear water, and removing the acid liquid;
(4) acid-base neutralization: soaking in lime soap water to neutralize residual acid solution in steel bar and lubricate the surface of steel bar for drawing wire.
S3, rolling head: and putting the round steel bar subjected to rust removal on a rotating frame, and putting one end of the round steel bar into the middle of a compression roller of a heading machine to roll the round steel bar to be thin, so that the end part of the round steel bar can conveniently penetrate through a wire drawing die hole.
S4, drawing: mounting the wire drawing die on a wire drawing machine fixing frame, and enabling the head-rolled thin steel bar head to pass through a wire drawing die hole; the wire drawing can be carried out after cooling water is introduced into the wire drawing shell, the cooling water cooling temperature of the wire drawing machine is kept below 160 ℃, and therefore the steel wire material for the high-strength optical fiber cable can be produced.
The structure and mechanical property of the steel wire are changed in the cold drawing process to generate work hardening, the tensile strength, hardness, elastic limit and the like of the common steel wire are increased along with the increase of the cold deformation degree, and the elongation rate, the section shrinkage rate and the like are reduced; due to work hardening, after the drawing deformation reaches a certain value, the cold workability of the steel wire is remarkably reduced and the steel wire is not suitable for further drawing, and intermediate heat treatment is required to recover the workability, and the reduction ratio of one drawing is about 70-90%. Therefore, the process flow of the steel wire production has the characteristic of reciprocating circulation.
The used steel can be guaranteed to have good quality by selecting the materials, so that the processed steel can meet the use requirement just now, and a large number of unqualified products are inconvenient to appear; the scale on the metal surface can be removed through the processes of rust removal flow polishing, acid pickling, water washing and acid-base neutralization, so that the scale can be prevented from damaging the surface of a die and a steel wire during drawing, good surface conditions are prepared for subsequent lubrication treatment, the drawing force is reduced by reducing the friction during drawing, and the preparation can be made for the drawing of the metal, so that the qualification rate of metal drawing can be improved, the high temperature generated during drawing can be reduced through the set water cooling mode, the service life of a die can be prolonged, and the torsion and bending performance of the steel wire are ensured.
The steel wire produced by the method can be assembled in the optical fiber cable, so that the strength of the whole structure of the optical fiber cable can be improved, and the problems of breakage and wire separation of the optical fiber cable during use are avoided.
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 (7)
1. The production method of the steel wire material for the high-strength optical fiber cable is characterized by comprising the following steps of:
s1, selecting materials: the steel wire with high strength and high strength, which contains less than 0.6% of carbon, has good surface quality, and the chemical composition, structure, decarburizing depth and inclusion content are required to meet the specification. The diameter of the wire is selected to be thicker so that enough drawing passes can be realized.
S2, derusting: (1) polishing and derusting: the steel can be subjected to primary polishing treatment through mechanical friction equipment;
(2) acid pickling for rust removal: after preliminary rust removal, acid cleaning is needed to remove residual rust;
(3) washing with water: taking out, washing with clear water, and removing acid liquor;
(4) acid-base neutralization: then soaking in alkaline solution to neutralize residual acid solution in the steel bar and lubricate the surface of the steel bar for drawing wire.
S3, rolling head: and putting the round steel bar subjected to rust removal on a rotating frame, and putting one end of the round steel bar into the middle of a compression roller of a heading machine to roll the round steel bar to be thin, so that the end part of the round steel bar can conveniently penetrate through a wire drawing die hole.
S4, drawing: mounting the wire drawing die on a wire drawing machine fixing frame, and enabling the head-rolled thin steel bar head to pass through a wire drawing die hole; the wire drawing work can be carried out after cooling water is introduced into the wire drawing shell, so that the steel wire material for the high-strength optical fiber cable can be produced.
2. A method for producing a steel wire rod for a high-strength optical fiber cable according to claim 1, wherein: the mechanical friction device for polishing and derusting in the step S2 can be an electric resistance wheel or an old wire drawing die with the same diameter as the steel bar.
3. A method for producing a steel wire rod for a high-strength optical fiber cable according to claim 1, wherein: and S2, the acid solution used for acid cleaning and rust removal is hydrochloric acid, the content of the hydrochloric acid is 18-20% and is proper, and the acid cleaning time is 5-15 minutes.
4. A method for producing a steel wire rod for a high-strength optical fiber cable according to claim 1, wherein: and S2, washing with clear water, wherein the filled clear water needs to overflow the steel wire and impurities in the clear water are avoided.
5. A method for producing a steel wire rod for a high-strength optical fiber cable according to claim 1, wherein: and step S2, the alkaline solution for acid-base neutralization is lime soap water, and lime paste or lime soap wire drawing powder is used for lubricating the surface of the steel bar.
6. A method for producing a steel wire rod for a high-strength optical fiber cable according to claim 1, wherein: and S4, the wire drawing machine can be selected from a water tank wire drawing machine, a connected tank wire drawing machine, an inverted wire drawing machine, a horizontal tank wire drawing machine, a medium water tank wire drawing machine and the like.
7. A method for producing a steel wire rod for a high-strength optical fiber cable according to claim 1, wherein: and the cooling water cooling temperature of the S4 wire drawing machine is kept below 160 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010849503.1A CN111974827A (en) | 2020-08-21 | 2020-08-21 | Production method of steel wire material for high-strength optical fiber cable |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010849503.1A CN111974827A (en) | 2020-08-21 | 2020-08-21 | Production method of steel wire material for high-strength optical fiber cable |
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| CN111974827A true CN111974827A (en) | 2020-11-24 |
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| CN202010849503.1A Pending CN111974827A (en) | 2020-08-21 | 2020-08-21 | Production method of steel wire material for high-strength optical fiber cable |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103495613A (en) * | 2013-10-15 | 2014-01-08 | 贵州钢绳股份有限公司 | Production process and drawing equipment of phi-5.0mm 1960MPa super-strength steel wires |
| CN104526184A (en) * | 2012-11-30 | 2015-04-22 | 江苏天业合金材料有限公司 | Preheating-preventing copper-plating-preventing marine low-alloy high-strength and high-fracture-toughness-steel automatic welding stick production process |
| CN106111726A (en) * | 2016-06-30 | 2016-11-16 | 东南大学 | A kind of production method of high intensity height twisting property bridge cable zinc-coated wire |
| CN110508632A (en) * | 2019-08-06 | 2019-11-29 | 江苏赛福天钢索股份有限公司 | A kind of metal wire drawing forming technology |
| CN111101125A (en) * | 2019-12-26 | 2020-05-05 | 江苏英杰光缆科技有限公司 | Optical cable drawing method |
-
2020
- 2020-08-21 CN CN202010849503.1A patent/CN111974827A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104526184A (en) * | 2012-11-30 | 2015-04-22 | 江苏天业合金材料有限公司 | Preheating-preventing copper-plating-preventing marine low-alloy high-strength and high-fracture-toughness-steel automatic welding stick production process |
| CN103495613A (en) * | 2013-10-15 | 2014-01-08 | 贵州钢绳股份有限公司 | Production process and drawing equipment of phi-5.0mm 1960MPa super-strength steel wires |
| CN106111726A (en) * | 2016-06-30 | 2016-11-16 | 东南大学 | A kind of production method of high intensity height twisting property bridge cable zinc-coated wire |
| CN110508632A (en) * | 2019-08-06 | 2019-11-29 | 江苏赛福天钢索股份有限公司 | A kind of metal wire drawing forming technology |
| CN111101125A (en) * | 2019-12-26 | 2020-05-05 | 江苏英杰光缆科技有限公司 | Optical cable drawing method |
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