CN110042220B - Manufacturing method of steel wire with alloy coating, steel wire and steel wire rope - Google Patents
Manufacturing method of steel wire with alloy coating, steel wire and steel wire rope Download PDFInfo
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- CN110042220B CN110042220B CN201910402642.7A CN201910402642A CN110042220B CN 110042220 B CN110042220 B CN 110042220B CN 201910402642 A CN201910402642 A CN 201910402642A CN 110042220 B CN110042220 B CN 110042220B
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- steel wire
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- zinc alloy
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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
- B21C37/042—Manufacture of coated wire or bars
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- 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
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- 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
- C21D9/54—Furnaces for treating strips or wire
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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
- 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
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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
- 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
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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
- 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
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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
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Ropes Or Cables (AREA)
Abstract
The invention discloses a method for manufacturing a steel wire with an alloy coating, the steel wire and a steel wire rope, and relates to the technical field of manufacturing and production of the steel wire, wherein the method for manufacturing the steel wire comprises the following steps: step 1, obtaining a steel wire matrix; step 2, passing the obtained steel wire substrate through a zinc pot with molten zinc liquid to obtain a steel wire substrate plated with a zinc layer, and mechanically wiping the steel wire substrate plated with the zinc layer to obtain the steel wire substrate with an iron-zinc alloy layer on the surface or the steel wire substrate with the iron-zinc alloy layer and a pure zinc layer on the surface; step 3, carrying out acid cleaning on the obtained steel wire matrix with the iron-zinc alloy layer on the surface, removing the pure zinc layer on the surface of the steel wire matrix, and obtaining the steel wire matrix with the iron-zinc alloy layer on the surface; step 4, drawing the obtained steel wire substrate with the surface provided with the iron-zinc alloy to obtain a steel wire with a required size; the steel wire produced by the invention is beneficial to improving the drawing and twisting speed and improving the production efficiency.
Description
Technical Field
The invention relates to the technical field of steel wire production and manufacturing, in particular to a method for manufacturing a steel wire with an alloy coating, the steel wire and a steel wire rope.
Background
Steel wire ropes have been widely used as reinforcing materials in rubber, plastic and other products. The service performance of products is greatly influenced by different steel wire coating structures in the steel wire rope, and the research on the coating is more and more concerned by people in the industry. Especially hot-dip galvanized products, has excellent performance and considerable application prospect.
The pure zinc layer exists on the surface of the steel wire in the related technology, because zinc is a metal with poor torsion resistance, the speed of the steel wire during twisting can be reduced, and the production efficiency is influenced. The existence of the pure zinc layer can improve the corrosion resistance of the steel wire rope, but also reduce the fatigue resistance of the steel wire rope; on the other hand, during the subsequent operations of the steel wire, such as drawing and twisting, a lot of zinc dust and zinc particles are generated, which affect the processability and also the usability at the customer site.
Disclosure of Invention
The present invention is directed to a method for manufacturing a steel wire with an alloy coating, a steel wire and a steel wire rope, so as to solve one of the above-mentioned drawbacks or defects in the prior art.
In order to achieve the purpose, the invention is realized by adopting the following technical scheme:
a method for manufacturing a steel wire with an alloy coating, comprising the steps of: step 1, cold-drawing a wire rod to a required diameter, and carrying out at least one-time heat treatment on the cold-drawn wire rod to obtain a steel wire matrix; step 2, passing the obtained steel wire substrate through a zinc pot with molten zinc liquid to obtain a steel wire substrate plated with a zinc layer, and performing mechanical wiping treatment on the steel wire substrate plated with the zinc layer to obtain the steel wire substrate with an iron-zinc alloy layer on the surface or the steel wire substrate with the iron-zinc alloy layer and a pure zinc layer on the surface; step 3, carrying out acid cleaning on the obtained steel wire substrate with the iron-zinc alloy layer on the surface or the steel wire substrate with the iron-zinc alloy layer and the pure zinc layer on the surface, and removing the pure zinc layer on the surface of the steel wire substrate to obtain the steel wire substrate with the iron-zinc alloy layer on the surface; wherein the pickling solution used for pickling is a solution prepared by hydrochloric acid, and a buffer solution is contained in the solution; and 4, drawing the obtained steel wire substrate with the iron-zinc alloy on the surface to obtain the steel wire with the required size.
A steel wire having an alloy-plated layer manufactured as above, the steel wire comprising a steel wire base and an iron-zinc alloy layer plated on an outer circumference of the steel wire base.
A steel cord with an alloy coating, said steel cord comprising at least one steel wire with an alloy coating according to the invention.
The conveying belt comprises a steel wire rope, wherein the steel wire rope is the steel wire rope.
The invention has the advantages that: the steel wire with the hard iron-zinc alloy layer on the surface can not generate zinc dust and zinc particles in the subsequent drawing and twisting processes, so that the damage of blocking a die is eliminated, the drawing and twisting speed is favorably improved, and the production efficiency is improved; secondly, the steel wire rope with the iron-zinc alloy layer is hard in surface, wear-resistant and capable of bearing large bending stress, so that the fatigue resistance is improved; finally, the steel wire rope with the iron-zinc alloy layer has stronger mechanical fixing effect in rubber products, and the bonding performance is greatly improved.
Drawings
FIG. 1 is a view showing a structure of a steel wire and a plating layer according to an embodiment of the present invention;
FIG. 2 is a transverse cross-sectional view of a steel cord according to an embodiment of the present invention;
fig. 3 is a schematic transverse cross-sectional view of a conveyor belt according to an embodiment of the invention.
Wherein: 1. a steel wire; 2. a steel wire substrate; 3. an iron-zinc alloy plating layer; 4. a copper-zinc alloy plating layer; 5. a wire rope; 51. a first substrate; 52. a second substrate; 6. a fourth steel wire; 7. a third steel wire; 8. a second steel wire; 9. a first steel wire; 10. and (5) conveying the belt.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 3, a method for manufacturing a steel wire having an alloy plating layer includes the steps of: step a, cold-drawing a wire rod to a required diameter size, and then carrying out one or more times of proper heat treatment to facilitate subsequent drawing; b, enabling the steel wire substrate 2 obtained in the step a to penetrate through a zinc pot with molten zinc liquid to enable zinc to be plated on the steel wire substrate 2, enabling the galvanized steel wire substrate 2 to form a certain angle with the horizontal line to be out of the zinc pot, and wiping off most of pure zinc layers on the outermost layer of the steel wire substrate through mechanical wiping to obtain the steel wire substrate with an iron-zinc alloy layer 3 and a few pure zinc layers on the surface; and c, acid cleaning the steel wire matrix obtained in the step b, so as to completely remove the pure zinc layer remained on the surface of the steel wire matrix. The pickling solution is prepared from hydrochloric acid, the concentration of the pickling solution can be automatically regulated and controlled on a production line, and the pickling rate can be effectively controlled by adding a corrosion inhibitor into the pickling solution; and d, carrying out subsequent cold drawing on the steel wire subjected to the pickling so as to obtain the steel wire 1 with the required size. The surface of the steel wire 1 produced by the invention is provided with the hard iron-zinc alloy layer 3, so that zinc dust and zinc particles are not generated in the subsequent drawing and twisting processes, the damage of blocking a die is eliminated, the drawing and twisting speed is favorably improved, and the production efficiency is improved.
The invention also discloses a steel wire 1 with an alloy coating, which is manufactured by using the manufacturing method of the invention, wherein the steel wire 1 comprises a steel wire base body 2 and an iron-zinc alloy layer 3 coated on the outer circumference of the steel wire base body 2. Pits may appear on the surface of the steel wire base body 2 and exist only in the depressions of the iron-zinc alloy layer 3.
In this embodiment, the volume of the iron-zinc alloy layer 3 is 100% of the total volume of the plating layer. In this embodiment, the free surface of the iron-zinc alloy layer 3 is preferably more than 90% and 95% of the surface of the steel wire base 2, and the free surface of the iron-zinc alloy layer 3 is the outermost surface of the steel wire base 2, excluding the surface covered with the recesses. More preferably, the free surface area of the iron-zinc alloy layer 3 amounts to 100%. In other words, the content of the iron-zinc alloy layer 3 is absolutely predominant over the entire surface of the steel wire 1.
The proportion of the iron-zinc alloy layer 3 on the surface of the steel wire matrix 2 can be measured by a metallographic microscopic technique. For this purpose, the steel wire 1 to be measured is subjected to sample insertion and preparation by a conventional method, a cross section perpendicular to the axis of the steel wire is obtained, and observation is performed. Under the condition that the coating layer in the axial direction of the steel wire 1 does not change obviously, marking the length of the interface of the iron-zinc alloy layer 3 and the inlaid material, observing whether the iron-zinc alloy layer 33 exists in the concave part, and if not, marking the length of the interface. The ratio of the free surface area of the iron-zinc alloy layer 3 to the total surface area of the steel wire can be estimated by calculation.
The invention also discloses a steel wire rope with an alloy coating, which is produced by using the steel wire, wherein the steel wire rope 5 comprises a first base body 51 and a plurality of second base bodies 52 which are twisted with the first base body 51 alternately, the first base body 51 comprises a plurality of steel wires 1, the second base bodies 52 comprise a plurality of steel wires 1, and the steel wires 1 in the first base body 51 and the second base bodies 52 are the steel wires 1 produced by the invention; the first matrix 51 comprises a first steel wire 9 and a plurality of second steel wires 8 which are alternately twisted with the first steel wire 9, the diameter of the first steel wire 9 is 0.25mm, and the diameter of the second steel wire 8 is 0.24 mm; the second matrix 52 comprises a third steel wire 7 and a plurality of fourth steel wires 6 which are twisted with the third steel wire 7 alternately, the diameter of the third steel wire 7 is 0.23mm, and the diameter of the fourth steel wire 6 is 0.21 mm.
The steel wire rope 5 with the iron-zinc alloy layer 3 has a hard surface, is wear-resistant, and can bear large bending stress, so that the fatigue resistance is improved; the steel wire rope 5 with the iron-zinc alloy layer 3 has stronger mechanical fixing effect in rubber products, and the bonding performance is greatly improved.
The invention also discloses a conveyer belt 10 produced by using the steel wire rope 5.
Fig. 2 is a transverse sectional view of an application case of the present invention, and a conveyor belt 10 in which a wire rope 5 as a carcass material is adhered in rubber is shown in fig. 3. The steel wire rope 5 is 7 x 7 in structure, is twisted alternately, and consists of seven steel wire ropes 5, and each rope comprises seven steel wires 1. Wherein, in the central strand, the diameter of the second steel wire 8 is 0.24mm, and the diameter of the first steel wire 9 is 0.25 mm; in the outer strand the fourth steel filaments 6 have a diameter of 0.21mm and the third steel filaments 7 have a diameter of 0.23 mm. The steel wires 1 in the steel wire rope 5 are all provided with the coating structure. Selecting the steel wire rope with the same specification under the prior art and the steel wire rope of the invention for performance comparison, wherein the rubber material selected in the vulcanization experiment is provided by Shandong Yi and company, the embedding depth is 5cm, and the detection data is shown in Table 1. As can be seen from the data in the table, the steel cord 5 of the present invention has improved fatigue properties and adhesion compared to the prior art under the same specification.
TABLE 1
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.
Claims (8)
1. A method for manufacturing a steel wire having an alloy coating, comprising the steps of:
cold-drawing the wire rod to a required diameter, and carrying out at least one-time heat treatment on the cold-drawn wire rod to obtain a steel wire matrix;
the obtained steel wire substrate penetrates through a zinc pot with molten zinc liquid to obtain a steel wire substrate plated with a zinc layer, and the steel wire substrate plated with the zinc layer is subjected to mechanical wiping treatment to obtain the steel wire substrate with an iron-zinc alloy layer on the surface or the steel wire substrate with the iron-zinc alloy layer and a pure zinc layer on the surface;
pickling the obtained steel wire substrate with the iron-zinc alloy layer on the surface or the steel wire substrate with the iron-zinc alloy layer and the pure zinc layer on the surface, and removing the pure zinc layer on the surface of the steel wire substrate to obtain the steel wire substrate with the iron-zinc alloy layer on the surface; wherein the pickling solution used for pickling is a solution prepared by hydrochloric acid, and a buffer solution is contained in the solution;
and drawing the obtained steel wire substrate with the iron-zinc alloy on the surface to obtain the steel wire with the required size.
2. A steel wire with an alloy-plated layer manufactured by the method for manufacturing a steel wire with an alloy-plated layer according to claim 1, wherein the steel wire comprises a steel wire base and an iron-zinc alloy layer plated on an outer circumference of the steel wire base.
3. The steel wire with an alloy coating according to claim 2, wherein said iron-zinc alloy layer has dimples thereon.
4. The steel wire with alloy coating according to claim 3, wherein the free surface of the iron-zinc alloy layer is at least 90% of the total surface of the steel wire base, and wherein the free surface of the iron-zinc alloy layer is the outermost surface of the steel wire base, excluding the surface covered with the recesses.
5. The steel wire with alloy coating according to claim 3, wherein the free surface of the iron-zinc alloy layer is at least 95% of the total surface of the steel wire base, wherein the free surface of the iron-zinc alloy layer is the outermost surface of the steel wire base, excluding the surface covered with the recesses.
6. The steel wire with an alloy coating according to claim 2, wherein the free surface of the iron-zinc alloy layer is 100% of the total surface of the steel wire base, and wherein the free surface of the iron-zinc alloy layer is the outermost surface of the steel wire base.
7. A steel cord with an alloy coating, characterized by comprising at least one steel wire with an alloy coating according to claim 2.
8. A conveyor belt comprising a steel cord, characterized in that the steel cord is the steel cord of claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910402642.7A CN110042220B (en) | 2019-05-15 | 2019-05-15 | Manufacturing method of steel wire with alloy coating, steel wire and steel wire rope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910402642.7A CN110042220B (en) | 2019-05-15 | 2019-05-15 | Manufacturing method of steel wire with alloy coating, steel wire and steel wire rope |
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| Publication Number | Publication Date |
|---|---|
| CN110042220A CN110042220A (en) | 2019-07-23 |
| CN110042220B true CN110042220B (en) | 2020-12-22 |
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| CN115537676A (en) * | 2022-10-09 | 2022-12-30 | 江苏顺顺龙信息科技有限公司 | Method for manufacturing zinc-aluminum-magnesium coating steel wire gabion with steel base being alloy structural steel |
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| CN102517941A (en) * | 2011-11-18 | 2012-06-27 | 南通光明钢丝制品有限公司 | Production process of contact net anchorage steel wire rope |
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