CN111101125B - Optical cable drawing method - Google Patents
Optical cable drawing method Download PDFInfo
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- CN111101125B CN111101125B CN201911361231.4A CN201911361231A CN111101125B CN 111101125 B CN111101125 B CN 111101125B CN 201911361231 A CN201911361231 A CN 201911361231A CN 111101125 B CN111101125 B CN 111101125B
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- 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
- C23C22/73—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 characterised by the process
-
- 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
-
- 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
- C21D1/18—Hardening; Quenching with or without subsequent tempering
-
- 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
-
- 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
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
- C23C2/06—Zinc or cadmium or alloys based thereon
-
- 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
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/34—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
- C23C2/36—Elongated material
- C23C2/38—Wires; Tubes
-
- 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
- C23G3/00—Apparatus for cleaning or pickling metallic material
- C23G3/02—Apparatus for cleaning or pickling metallic material for cleaning wires, strips, filaments continuously
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4479—Manufacturing methods of optical cables
Abstract
The invention discloses an optical cable drawing method, which comprises the following steps: the method comprises the steps of carrying out acid pickling on cable core raw materials, carrying out phosphating treatment, immersing the cable core raw materials into phosphate solution, covering a layer of phosphating film on the surface of the cable core raw materials, then adding a grease coating agent on the phosphating cable core raw materials, plating zinc, carrying out high-temperature zinc bath, cogging and cold drawing on the cable core raw materials, sequentially passing the cable core raw materials through holes from large to small, reducing the diameter in stages, tempering, and finally twisting and combining the wires to obtain the cable core.
Description
Technical Field
The invention relates to the technical field of optical cable drawing, in particular to an optical cable drawing method.
Background
The cable core is a spiral cable core bundle which is formed by twisting cable cores meeting the requirements on mechanical property and geometric dimension together according to a certain rule, the cable core is composed of the cable core, a rope core and lubricating grease, the cable core is a spiral rope which is formed by twisting a plurality of layers of cable cores into strands, and then twisting a certain number of strands into a spiral shape by taking the rope core as a center.
The traditional cable core basic process is as follows: raw materials are subjected to acid pickling, phosphorization, shelling, cogging and multi-pass drawing to change the molecular structure of the raw materials so that the raw materials can reach the target diameter and strength, and in the drawing process, the drawing compression ratio of a cable core cannot be too large, so that the cable core and a mold cannot be excessively abraded, but the drawing efficiency and the drawing quality are affected, and therefore an improved technology is urgently needed to solve the problem in the prior art.
Disclosure of Invention
The invention aims to provide an optical cable drawing method to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an optical cable drawing method comprising the steps of:
the method comprises the following steps: pickling the cable core raw material, washing rust matters and rolled skins on the surface of the cable core raw material by using acid liquor, and stripping oxides;
step two: performing phosphating treatment, namely immersing the cable core raw material into phosphate solution to cover a layer of phosphating film on the surface, and then adding an oil coating agent on the phosphating cable core blank;
step three: galvanizing, namely performing high-temperature zinc bath on the cable core raw material;
step four: cogging, deforming the cable core raw material through a die to change the pattern of a central hole of the die;
step five: cold drawing, wherein the raw material of the cable core sequentially passes through holes from large to small, and the diameter is gradually reduced;
step six: tempering, namely heating the cable core raw material to 420-;
step seven: and finally twisting and rope combining to obtain the cable core.
Preferably, the grease coating agent in the second step is prepared from the following raw materials in parts by mass: 20-30 parts of water-soluble resin, 10-15 parts of water-based silicone oil, 5-8 parts of citric acid, 8-12 parts of nitrate, 8-12 parts of phosphate, 7-11 parts of zinc oxide and 70-100 parts of deionized water.
Preferably, the grease coating agent in the second step is prepared from the following raw materials in parts by mass: 25 parts of water-soluble resin, 12 parts of water-based silicone oil, 7 parts of citric acid, 10 parts of nitrate, 10 parts of phosphate, 9 parts of zinc oxide and 85 parts of deionized water.
Preferably, the temperature of the high-temperature zinc bath in the third step is set to be 500-.
Preferably, the diameter of each stage in the cold wire drawing process in the fifth step is reduced by 0.1-0.3 mm.
Preferably, the cold wire drawing speed in the fifth step is 5-6 m/s.
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the experience in the actual production work, the grease coating agent is added on the phosphating cable core blank, so that the situation that the phosphating film is not easy to lose when the water tank wire drawing multi-channel die is used for drawing is kept.
(2) The compression ratio of cable core drawing can reach the maximum, plays a key role in protecting the cable core and the mold, can improve the efficiency and can improve the quality of the cable core.
Detailed Description
The technical solutions in the embodiments of the present invention are 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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a technical scheme that: an optical cable drawing method comprising the steps of:
the method comprises the following steps: pickling the cable core raw material, washing rust matters and rolled skins on the surface of the cable core raw material by using acid liquor, and stripping oxides;
step two: performing phosphating treatment, namely immersing the cable core raw material into phosphate solution to cover a layer of phosphating film on the surface, and then adding an oil coating agent on the phosphating cable core blank;
step three: galvanizing, namely performing high-temperature zinc bath on the cable core raw material, wherein the temperature is set to 500-550 ℃;
step four: cogging, deforming the cable core raw material through a die to change the pattern of a central hole of the die;
step five: cold-drawing, namely, sequentially passing the cable core raw material through holes from large to small, so that the diameter is gradually reduced, the diameter of each stage is reduced by 0.1-0.3 mm, and the speed of cold-drawing is 5-6 m/s;
step six: tempering, namely heating the cable core raw material to 420-;
step seven: and finally twisting and rope combining to obtain the cable core.
Wherein the grease coating agent in the step two is prepared from the following raw materials in parts by mass: 20-30 parts of water-soluble resin, 10-15 parts of water-based silicone oil, 5-8 parts of citric acid, 8-12 parts of nitrate, 8-12 parts of phosphate, 7-11 parts of zinc oxide and 70-100 parts of deionized water.
Example 1:
an optical cable drawing method comprising the steps of:
the method comprises the following steps: pickling the cable core raw material, washing rust matters and rolled skins on the surface of the cable core raw material by using acid liquor, and stripping oxides;
step two: performing phosphating treatment, namely immersing the cable core raw material into phosphate solution to cover a layer of phosphating film on the surface, and then adding an oil coating agent on the phosphating cable core blank;
step three: galvanizing, namely performing high-temperature zinc bath on the cable core raw material, wherein the temperature is set to be 500 ℃;
step four: cogging, deforming the cable core raw material through a die to change the pattern of a central hole of the die;
step five: cold drawing, wherein the cable core raw material sequentially passes through holes from large to small, the diameter is gradually reduced, the diameter of each stage is reduced by 0.2mm, and the speed of cold drawing is 5 m/s;
step six: tempering, namely heating the cable core raw material to 420 ℃, preserving heat for 5min, quickly heating to 900 ℃, preserving heat for 25s, and cooling;
step seven: and finally twisting and rope combining to obtain the cable core.
In the second step of this embodiment, the grease coating agent is prepared from the following raw materials in parts by mass: 20 parts of water-soluble resin, 10 parts of water-based silicone oil, 5 parts of citric acid, 8 parts of nitrate, 8 parts of phosphate, 7 parts of zinc oxide and 70 parts of deionized water.
The degree of loss of the surface phosphating film of the cable core obtained by drawing in the example and the degree of abrasion of the die were observed.
Example 2:
an optical cable drawing method comprising the steps of:
the method comprises the following steps: pickling the cable core raw material, washing rust matters and rolled skins on the surface of the cable core raw material by using acid liquor, and stripping oxides;
step two: performing phosphating treatment, namely immersing the cable core raw material into phosphate solution to cover a layer of phosphating film on the surface, and then adding an oil coating agent on the phosphating cable core blank;
step three: galvanizing, namely performing high-temperature zinc bath on the cable core raw material, wherein the temperature is set to 550 ℃;
step four: cogging, deforming the cable core raw material through a die to change the pattern of a central hole of the die;
step five: cold drawing, wherein the cable core raw material sequentially passes through holes from large to small, the diameter is gradually reduced, the diameter of each stage is reduced by 0.3mm, and the speed of cold drawing is 5 m/s;
step six: tempering, namely heating the raw material of the cable core to 470 ℃, preserving heat for 3min, quickly heating to 980 ℃, preserving heat for 15s, and then cooling;
step seven: and finally twisting and rope combining to obtain the cable core.
Wherein the grease coating agent in the step two is prepared from the following raw materials in parts by mass: 22 parts of water-soluble resin, 11 parts of water-based silicone oil, 6 parts of citric acid, 9 parts of nitrate, 9 parts of phosphate, 8 parts of zinc oxide and 75 parts of deionized water.
The degree of wear of the surface phosphate film and the degree of wear of the mold of the cable core obtained by drawing in this example were observed to be lower than those of the cable core obtained in example 1.
Example 3:
an optical cable drawing method comprising the steps of:
the method comprises the following steps: pickling the cable core raw material, washing rust matters and rolled skins on the surface of the cable core raw material by using acid liquor, and stripping oxides;
step two: performing phosphating treatment, namely immersing the cable core raw material into phosphate solution to cover a layer of phosphating film on the surface, and then adding an oil coating agent on the phosphating cable core blank;
step three: galvanizing, namely performing high-temperature zinc bath on the cable core raw material, wherein the temperature is set to be 500 ℃;
step four: cogging, deforming the cable core raw material through a die to change the pattern of a central hole of the die;
step five: cold drawing, wherein the cable core raw material sequentially passes through holes from large to small, the diameter is gradually reduced, the diameter of each stage is reduced by 0.2mm, and the speed of cold drawing is 5 m/s;
step six: tempering, namely heating the raw material of the cable core to 420 ℃, preserving heat for 4min, quickly heating to 980 ℃, preserving heat for 20s, and cooling;
step seven: and finally twisting and rope combining to obtain the cable core.
Wherein the grease coating agent in the step two is prepared from the following raw materials in parts by mass: 25 parts of water-soluble resin, 12 parts of water-based silicone oil, 7 parts of citric acid, 10 parts of nitrate, 10 parts of phosphate, 9 parts of zinc oxide and 85 parts of deionized water.
The degree of wear of the surface phosphating film and the degree of wear of the die of the cable core obtained by drawing in the example were observed to be lower than those of the surface phosphating film and the degree of wear of the die of the cable core obtained in the example 2.
Example 4:
an optical cable drawing method comprising the steps of:
the method comprises the following steps: pickling the cable core raw material, washing rust matters and rolled skins on the surface of the cable core raw material by using acid liquor, and stripping oxides;
step two: performing phosphating treatment, namely immersing the cable core raw material into phosphate solution to cover a layer of phosphating film on the surface, and then adding an oil coating agent on the phosphating cable core blank;
step three: galvanizing, namely performing high-temperature zinc bath on the cable core raw material, wherein the temperature is set to 550 ℃;
step four: cogging, deforming the cable core raw material through a die to change the pattern of a central hole of the die;
step five: cold drawing, wherein the cable core raw material sequentially passes through holes from large to small, the diameter is gradually reduced, the diameter of each stage is reduced by 0.2mm, and the speed of cold drawing is 5 m/s;
step six: tempering, namely heating the raw material of the cable core to 420 ℃, preserving heat for 4min, quickly heating to 950 ℃, preserving heat for 20s, and cooling;
step seven: and finally twisting and rope combining to obtain the cable core.
Wherein the grease coating agent in the step two is prepared from the following raw materials in parts by mass: 28 parts of water-soluble resin, 14 parts of water-based silicone oil, 7 parts of citric acid, 11 parts of nitrate, 11 parts of phosphate, 10 parts of zinc oxide and 90 parts of deionized water.
The degree of wear of the surface phosphate film and the degree of wear of the mold of the cable core obtained by drawing in this example were observed to be slightly higher than those of the cable core obtained in example 3.
Example 5:
an optical cable drawing method comprising the steps of:
the method comprises the following steps: pickling the cable core raw material, washing rust matters and rolled skins on the surface of the cable core raw material by using acid liquor, and stripping oxides;
step two: performing phosphating treatment, namely immersing the cable core raw material into phosphate solution to cover a layer of phosphating film on the surface, and then adding an oil coating agent on the phosphating cable core blank;
step three: galvanizing, namely performing high-temperature zinc bath on the cable core raw material, wherein the temperature is set to 530 ℃;
step four: cogging, deforming the cable core raw material through a die to change the pattern of a central hole of the die;
step five: cold drawing, wherein the cable core raw material sequentially passes through holes from large to small, the diameter is gradually reduced, the diameter of each stage is reduced by 0.2mm, and the speed of cold drawing is 5 m/s;
step six: tempering, namely heating the raw material of the cable core to 430 ℃, preserving heat for 4min, quickly heating to 950 ℃, preserving heat for 20s, and cooling;
step seven: and finally twisting and rope combining to obtain the cable core.
Wherein the grease coating agent in the step two is prepared from the following raw materials in parts by mass: 30 parts of water-soluble resin, 15 parts of water-based silicone oil, 8 parts of citric acid, 12 parts of nitrate, 12 parts of phosphate, 11 parts of zinc oxide and 100 parts of deionized water.
The degree of wear of the surface phosphate film and the degree of wear of the mold of the cable core obtained by drawing in this example were observed to be slightly higher than those of the cable core obtained in example 3.
Example 6:
an optical cable drawing method comprising the steps of:
the method comprises the following steps: pickling the cable core raw material, washing rust matters and rolled skins on the surface of the cable core raw material by using acid liquor, and stripping oxides;
step two: performing phosphating treatment, namely immersing the cable core raw material into phosphate solution to cover a layer of phosphating film on the surface, and then adding an oil coating agent on the phosphating cable core blank;
step three: galvanizing, namely performing high-temperature zinc bath on the cable core raw material, and setting the temperature to be 540 ℃;
step four: cogging, deforming the cable core raw material through a die to change the pattern of a central hole of the die;
step five: cold drawing, wherein the cable core raw material sequentially passes through holes from large to small, the diameter is gradually reduced, the diameter of each stage is reduced by 0.2mm, and the speed of cold drawing is 6 m/s;
step six: tempering, namely heating the raw material of the cable core to 430 ℃, preserving heat for 4min, quickly heating to 950 ℃, preserving heat for 20s, and cooling;
step seven: and finally twisting and rope combining to obtain the cable core.
Wherein the grease coating agent in the step two is prepared from the following raw materials in parts by mass: 25 parts of water-soluble resin, 12 parts of water-based silicone oil, 7 parts of citric acid, 10 parts of nitrate, 10 parts of phosphate, 9 parts of zinc oxide and 85 parts of deionized water.
The degree of wear of the surface phosphating film and the degree of wear of the die of the cable core obtained by drawing in the example were observed to be lower than those of the surface phosphating film and the degree of wear of the die of the cable core obtained in the example 3.
The phosphating films on the surfaces of the cable cores obtained in the embodiments 1 to 6 and the abrasion degree of the die are observed, compared with the phosphating films on the surfaces of the cable cores obtained by a wire drawing process and the abrasion degree of the die, the abrasion degree of the phosphating films and the die is lighter, the compression ratio of the cable core pull handle is larger, and the abrasion degree of the phosphating films and the die of the cable cores obtained in the embodiment 6 is the minimum. According to the invention, according to the experience in the actual production work, the grease coating agent is added on the cable core blank subjected to phosphating treatment, so that the situation that the phosphating film is not easily lost when the multiple dies for water tank wire drawing are used for drawing the cable core can be kept, the compression ratio for drawing the cable core can be maximized, the key effect on protecting the cable core and the dies can be realized, the efficiency can be improved, and the quality of the cable core can be improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. An optical cable drawing method is characterized in that: the method comprises the following steps:
the method comprises the following steps: pickling the cable core raw material, washing rust matters and rolled skins on the surface of the cable core raw material by using acid liquor, and stripping oxides;
step two: performing phosphating treatment, namely immersing the cable core raw material into phosphate solution to cover the surface with a layer of phosphating film, and then adding an oil coating agent to the phosphating treatment cable core raw material, wherein the oil coating agent is prepared from the following raw materials in parts by mass: 20-30 parts of water-soluble resin, 10-15 parts of water-based silicone oil, 5-8 parts of citric acid, 8-12 parts of nitrate, 8-12 parts of phosphate, 7-11 parts of zinc oxide and 70-100 parts of deionized water;
step three: galvanizing, namely performing high-temperature zinc bath on the cable core raw material, wherein the temperature is set to 500-550 ℃;
step four: cogging, deforming the cable core raw material through a die to change the pattern of a central hole of the die;
step five: cold drawing, wherein the raw material of the cable core sequentially passes through holes from large to small, and the diameter is gradually reduced;
step six: tempering, namely heating the cable core raw material to 420-;
step seven: and finally twisting and rope combining to obtain the cable core.
2. A method of drawing an optical cable as claimed in claim 1, wherein: and in the second step, the grease coating agent is prepared from the following raw materials in parts by mass: 25 parts of water-soluble resin, 12 parts of water-based silicone oil, 7 parts of citric acid, 10 parts of nitrate, 10 parts of phosphate, 9 parts of zinc oxide and 85 parts of deionized water.
3. A method of drawing an optical cable as claimed in claim 1, wherein: and in the fifth step, the diameter of each stage in the cold wire drawing process is reduced by 0.1-0.3 mm.
4. A method of drawing an optical cable as claimed in claim 1, wherein: and in the fifth step, the speed of cold wire drawing is 5-6 m/s.
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| CN201911361231.4A CN111101125B (en) | 2019-12-26 | 2019-12-26 | Optical cable drawing method |
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| CN201911361231.4A CN111101125B (en) | 2019-12-26 | 2019-12-26 | Optical cable drawing method |
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| CN111101125B true CN111101125B (en) | 2022-03-15 |
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| CN111974827A (en) * | 2020-08-21 | 2020-11-24 | 南通市华星钢丝制品有限公司 | Production method of steel wire material for high-strength optical fiber cable |
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| US3814675A (en) * | 1970-04-20 | 1974-06-04 | Steel Corp | Method for the production of extra-high strength galvanized wire |
| CN103008385B (en) * | 2012-12-14 | 2015-03-04 | 武汉钢铁(集团)公司 | Method for producing steel wire for steel core of ultrahigh-strength overhead cable by using 82B steel wire rod |
| CN104250778A (en) * | 2013-06-28 | 2014-12-31 | 无锡洛社科技创业有限公司 | Phosphatization liquid for wire rod drawing and hot-galvanizing pretreatment |
| CN107572303A (en) * | 2017-09-25 | 2018-01-12 | 江阴市新华橡塑机械有限公司 | A kind of Production for Steel Wire actinobacillus device |
| CN108221418B (en) * | 2018-04-12 | 2019-07-02 | 青岛建邦士金属制品有限公司 | A kind of wirerope and its production technology |
| CN109338765A (en) * | 2018-09-10 | 2019-02-15 | 泰州华泽金属工业有限公司 | A kind of wirerope manufacture craft with high intensity with Corrosion Protection |
| CN110271164A (en) * | 2019-07-24 | 2019-09-24 | 浙江东通物联科技有限公司 | A kind of slight drag zinc-coated wire tooling and preparation method thereof suitable for butterfly optical cable |
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