CN112547818A - Production method of Z-shaped special-shaped steel wire - Google Patents
Production method of Z-shaped special-shaped steel wire Download PDFInfo
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- CN112547818A CN112547818A CN202011331427.1A CN202011331427A CN112547818A CN 112547818 A CN112547818 A CN 112547818A CN 202011331427 A CN202011331427 A CN 202011331427A CN 112547818 A CN112547818 A CN 112547818A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 157
- 239000010959 steel Substances 0.000 title claims abstract description 157
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 27
- 238000005491 wire drawing Methods 0.000 claims abstract description 31
- 238000007598 dipping method Methods 0.000 claims abstract description 14
- 238000007747 plating Methods 0.000 claims abstract description 6
- 230000009467 reduction Effects 0.000 claims description 21
- 230000001186 cumulative effect Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 11
- 238000004513 sizing Methods 0.000 claims description 10
- 239000011248 coating agent Substances 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 8
- 239000000314 lubricant Substances 0.000 claims description 8
- 238000003618 dip coating Methods 0.000 claims description 4
- 238000005246 galvanizing Methods 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 3
- FJMNNXLGOUYVHO-UHFFFAOYSA-N aluminum zinc Chemical compound [Al].[Zn] FJMNNXLGOUYVHO-UHFFFAOYSA-N 0.000 claims description 2
- 230000007797 corrosion Effects 0.000 abstract description 6
- 238000005260 corrosion Methods 0.000 abstract description 6
- 238000005452 bending Methods 0.000 abstract description 5
- 230000008646 thermal stress Effects 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 description 9
- 239000003974 emollient agent Substances 0.000 description 4
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 229910000611 Zinc aluminium Inorganic materials 0.000 description 1
- HXFVOUUOTHJFPX-UHFFFAOYSA-N alumane;zinc Chemical compound [AlH3].[Zn] HXFVOUUOTHJFPX-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
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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
- B21C3/00—Profiling tools for metal drawing; Combinations of dies and mandrels
- B21C3/02—Dies; Selection of material therefor; Cleaning thereof
- B21C3/06—Dies; Selection of material therefor; Cleaning thereof with adjustable 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
- B21C3/00—Profiling tools for metal drawing; Combinations of dies and mandrels
- B21C3/02—Dies; Selection of material therefor; Cleaning thereof
- B21C3/12—Die holders; Rotating dies
- B21C3/14—Die holders combined with devices for guiding the drawing material or combined with devices for cooling heating, or lubricating
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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
-
- 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
- C23C2/12—Aluminium 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Coating With Molten Metal (AREA)
- Metal Extraction Processes (AREA)
Abstract
The invention relates to the technical field of steel wire production, in particular to a Z-shaped special-shaped steel wire production method, which comprises the steps of selecting a round wire rod to be processed and feeding the round wire rod to be processed, and performing first special-shaped die drawing through a special-shaped wire drawing die; carrying out hot dipping on the steel wire subjected to the first special-shaped die drawing; and carrying out second special-shaped die drawing on the hot-dipped steel wire through the special-shaped wire drawing die to generate a finished Z-shaped special-shaped steel wire. Compared with the prior art, the method for producing the Z-shaped profiled steel wire provided by the invention has the advantages that the steel wire is subjected to hot dipping after being drawn by the first profiled die, and then is subjected to second profiled die drawing, so that the influence of thermal stress generated by hot dipping on the mechanical property of the Z-shaped profiled steel wire and the brittleness of the finished Z-shaped profiled steel wire are reduced, the hot plating hardness of the finished Z-shaped profiled steel wire and the bending strength, twisting strength, corrosion resistance and wear resistance of the finished Z-shaped profiled steel wire are improved, and the finished Z-shaped profiled steel wire is smooth in surface and convenient to twist.
Description
Technical Field
The invention relates to the technical field of steel wire production, in particular to a method for producing a Z-shaped special-shaped steel wire.
Background
With the advancement of science and technology, the consumption of steel wire ropes is continuously increased, and the quality and performance requirements of users on the steel wire ropes are higher and higher. The special-shaped steel wire can meet the quality requirement and the performance requirement of a user on the steel wire, has wide application range, and mainly has the mechanical processing industry, the textile industry, the sealing steel wire rope, the structural steel wire, the nail-making steel wire and the like.
The deformed steel wire refers to a steel wire with a non-circular cross section. Including flat, rectangular, oval, square, triangular, trapezoidal, Z-shaped and other special cross-sectional shapes. The wire profile has a wire with a cross section having a specific shape other than a circular shape. The common section shapes of the special-shaped steel wires include square, hexagonal, octagonal, triangular, flat, trapezoidal, semicircular, Z-shaped and the like. The Z-shaped steel wire is the main wire used for the middle layer and the outer layer of the closed cable or the sealed steel wire rope, and the closed cable or the sealed steel wire rope is widely applied to occasions such as large-scale space building structural engineering, bridge cables, ropeways, mine ways and the like due to the characteristics of closed corrosion resistance, large outer layer contact surface, compact single-cable structure, large effective utilization sectional area, high whole-cable strength, wear resistance and the like.
In the prior art, for example, chinese patent application (publication number CN111036697A), the method for producing a Z-shaped profiled steel wire in the prior art cannot overcome the problem that the profiled wire drawing die continuously deforms a hot-dip galvanized or zinc-aluminum hot-dip galvanized product, which affects the mechanical properties of the Z-shaped profiled steel wire, and the produced Z-shaped profiled steel wire has high brittleness, low finished strength and low torsional strength, and cannot meet the requirements and use of users.
Disclosure of Invention
In order to solve the defects that the production method of the Z-shaped profiled steel wire in the prior art influences the mechanical property of the Z-shaped profiled steel wire, the generated Z-shaped profiled steel wire has large brittleness and lower finished product strength and twisting strength, the invention provides the production method of the Z-shaped profiled steel wire.
The invention provides a production method of a Z-shaped profiled steel wire, which comprises the following steps:
s100: selecting a round wire disc to be processed to be fed, and performing first special-shaped die drawing through a special-shaped wire drawing die;
s200: carrying out hot dipping on the steel wire subjected to the first special-shaped die drawing;
s300: and carrying out second special-shaped die drawing on the hot-dipped steel wire through the special-shaped wire drawing die to generate a finished Z-shaped special-shaped steel wire.
Further, in S100, the first special-shaped die drawing includes a first special-shaped die drawing, a second special-shaped die drawing, a third special-shaped die drawing, and a fourth special-shaped die drawing performed in sequence.
Further, in S200, the hot-dip plating includes hot-dip galvanizing or hot-dip aluminum-galvanizing.
Further, the coating thickness of the steel wire by hot dipping was 420. + -.20 g/m2。
Further, in S300, the second special-shaped die drawing includes a fifth special-shaped die drawing, a sixth special-shaped die drawing, a seventh special-shaped die drawing, and an eighth special-shaped die drawing which are performed in sequence.
Further, the coating thickness of the finished Z-shaped profiled steel wire drawn by the eighth profiled die is 240 +/-20 g/m2。
Further, the area, circumference and equivalent diameter of the steel wire are gradually reduced with the first profile die drawing and the second profile die drawing, and the cumulative reduction ratio of the steel wire is gradually increased with the first profile die drawing and the second profile die drawing.
Furthermore, the hole pattern of the special-shaped wire-drawing die is in a conical linear type, and the special-shaped wire-drawing die comprises a die core and a die sleeve.
Further, the mold core comprises a feeding area, a working area, a sizing area and a discharging area, wherein the feeding area is coated with a lubricant, and the lubricant flows through the working area, the sizing area and the discharging area; and the steel wire sequentially passes through the working area, the sizing area and the discharging area from the feeding area along with the lubricant to perform special-shaped die drawing.
Further, the lubricant is wire drawing oil or wire drawing powder.
Compared with the prior art, according to the production method of the Z-shaped profiled steel wire, the round wire disc raw material steel wire is subjected to hot dipping after being drawn by the first profiled die, and then is subjected to second profiled die drawing, so that the influence of thermal stress generated by hot dipping on the mechanical property of the Z-shaped profiled steel wire and the brittleness of the finished Z-shaped profiled steel wire are reduced, the hot plating hardness of the finished Z-shaped profiled steel wire and the bending strength, twisting strength, corrosion resistance and wear resistance of the finished Z-shaped profiled steel wire are improved, and the finished Z-shaped profiled steel wire is smooth in surface and convenient to twist.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a flow chart of a method for producing a Z-shaped profiled wire according to the present invention;
FIG. 2 is a diagram showing a state of a steel wire change in the method for producing a Z-shaped profiled steel wire according to the present invention;
FIG. 3 is a schematic view of the mold core of the special-shaped wire-drawing die provided by the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. 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.
In the description of the present invention, it should be noted that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, the technical features designed in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Fig. 1 is a flow chart of a method for producing a Z-shaped profiled wire provided by the present invention, and as shown in fig. 1, the method for producing a Z-shaped profiled wire provided by the present invention comprises the following steps:
s100: selecting a round wire disc to be processed to be fed, and performing first special-shaped die drawing through a special-shaped wire drawing die;
s200: hot-dip coating the steel wire drawn by the first special-shaped die;
s300: and carrying out second special-shaped die drawing on the hot-dipped steel wire through the special-shaped wire drawing die to generate a finished Z-shaped special-shaped steel wire.
In specific implementation, as shown in fig. 1, table 1, and fig. 2, firstly, a round wire disc to be processed is selected to be fed into a special-shaped wire-drawing die for processing production, preferably, the round wire disc to be processed is a raw material to be processed to generate a Z-shaped special-shaped steel wire, and the specification of the round wire disc may be raw material steel wires of different specifications such as Z3, Z4, Z5, Z6, or Z7;
TABLE 1
As shown in fig. 1, fig. 2 and table 1, a round wire plate is fed to perform first special-shaped die drawing through a special-shaped wire drawing die, wherein the first special-shaped die drawing comprises a first special-shaped die drawing, a second special-shaped die drawing, a third special-shaped die drawing and a fourth special-shaped die drawing which are sequentially performed; the steel wire is hot-dipped after being drawn by the four special-shaped dies, and preferably, the hot dipping can be hot galvanizing or aluminum zinc hot dipping; at this time, the coating thickness of the steel wire was 420. + -.20 g/m2；
Then, performing second special-shaped die drawing on the hot-dipped steel wire, wherein the second special-shaped die drawing comprises a fifth special-shaped die drawing, a sixth special-shaped die drawing, a seventh special-shaped die drawing and an eighth special-shaped die drawing which are sequentially performed; the area, the perimeter and the equivalent diameter of the steel wire are gradually reduced along with the drawing of the first special-shaped die and the drawing of the second special-shaped die, the cumulative area reduction rate of the steel wire is gradually increased along with the drawing of the first special-shaped die and the drawing of the second special-shaped die, and the steel wire passes through the first special-shaped die and the second special-shaped die
Calculating the reduction rate;
the thickness of the coating of the steel wire is gradually reduced along with the drawing of the second special-shaped die by drawing the steel wire hot-dip again through the four special-shaped dies, and the thickness of the coating of the finished Z-shaped special-shaped steel wire is 240 +/-20 g/m2。
As shown in fig. 3, the hole pattern of the special-shaped wire-drawing die is in a conical linear shape, and the special-shaped wire-drawing die comprises a die core and a die sleeve; specifically, the mold core comprises a feeding area, a working area, a sizing area and a discharging area, wherein h3 is the feeding area, h2 is the working area, h is the sizing area, and h1 is the discharging area; the opening angle in pan feeding district is greater than the opening angle in ejection of compact district, and pan feeding district coating has a emollient, and the emollient draws the in-process for the steel wire mould along with the steel wire mould draws the flow through work area, sizing district and ejection of compact district and lubricates, and the emollient can be drawing oil or wire drawing powder etc. and the steel wire draws along with the emollient from the pan feeding district through work area, sizing district and ejection of compact district in proper order to carry out special-shaped mould.
As shown in Table 2, the difference between the prior art and the method for producing the Z-shaped profiled steel wire provided by the invention is illustrated by taking the material of 72A as the specification of Z6 as an example,
TABLE 2
According to the comparative data in table 2, the steel wire production process in the prior art is that hot dipping is carried out after eight special-shaped die drawing, the dimension of the finished Z-shaped special-shaped steel wire of the steel wire produced by the prior art is changed, the surface of the finished Z-shaped special-shaped steel wire is rough, the average tensile strength of the finished Z-shaped special-shaped steel wire is only 1430Mpa, the average bending frequency is 6.2 times, the average torque frequency is 14.2 times, the hot plating layer is uneven, loose, low in hardness and rough, the twisting of a closed cable or a sealed steel wire rope is influenced, and the corrosion resistance, the wear resistance and the mechanical property of the Z-shaped special-shaped steel wire are poor;
according to the Z-shaped profiled steel wire production method provided by the invention, the steel wire to be treated is subjected to first profiled die drawing and then hot-dip, and the hot-dip steel wire is subjected to second profiled die drawing, so that the produced finished Z-shaped profiled steel wire is stable in size, the surface of the finished Z-shaped profiled steel wire is smooth, and the capacity index (Cmk for short) of the finished Z-shaped profiled steel wire is superior to that of the steel wire produced by the prior art; the average tensile strength of the finished Z-shaped profiled steel wire is 1530Mpa, the average bending frequency is 11.1 times, the average torque frequency is 26.6 times, the hot-dip coating also meets the standard requirements, the hot-dip coating is uniform, compact, high in hardness and bright, the twisting of a closed cable or a sealed steel wire rope is facilitated, and the corrosion resistance, the wear resistance and the mechanical property of the Z-shaped profiled steel wire are improved.
As shown in Table 1, taking the production of the steel wire with the specification Z6 as an example to further illustrate the production method of the Z-shaped profiled steel wire provided by the invention, when the round wire with the specification Z6 is fed, the area of the raw material steel wire is 81.71mm2The perimeter of the raw material steel wire is 32.04mm, and the raw material steel wireThe equivalent diameter of the wire is 10.2mm, and the initial surface reduction rate of the raw material steel wire is 0 percent;
drawing through a first special-shaped die of a special-shaped wire drawing die, wherein the area of a steel wire is 70.63mm2The circumference of the steel wire is 30.07mm, the equivalent diameter of the steel wire is 9.48mm, the surface reduction rate of the steel wire is 13.6 percent, and the cumulative surface reduction rate of the steel wire is 13.6 percent;
drawing through a second special-shaped die of the special-shaped wire drawing die, wherein the area of the steel wire is 59.83mm2The circumference of the steel wire is 27.98mm, the equivalent diameter of the steel wire is 8.73mm, the surface reduction rate of the steel wire is 15.2 percent, and the cumulative surface reduction rate of the steel wire is 26.7 percent;
the area of the steel wire is 54.28mm by the third special-shaped die drawing of the special-shaped wire drawing die2The circumference of the steel wire is 27.01mm, the equivalent diameter of the steel wire is 8.31mm, the surface reduction rate of the steel wire is 9.4 percent, and the cumulative surface reduction rate of the steel wire is 33.6 percent;
the area of the steel wire is 48.1mm by the fourth special-shaped die drawing of the special-shaped wire drawing die2The circumference of the steel wire is 26.11mm, the equivalent diameter of the steel wire is 7.83mm, the surface reduction rate of the steel wire is 11.2 percent, and the cumulative surface reduction rate of the steel wire is 41.1 percent; at this time, the steel wire was hot-dipped, and the thickness of the plated layer of the steel wire in this example was 409g/mm2；
Drawing through a fifth special-shaped die of the special-shaped wire drawing die, wherein the area of the steel wire is 41.98mm2The circumference of the steel wire is 25.22mm, the equivalent diameter of the steel wire is 7.31mm, the surface reduction rate of the steel wire is 12.8 percent, and the cumulative surface reduction rate of the steel wire is 48.6 percent;
drawing through a sixth special-shaped die of the special-shaped wire drawing die, wherein the area of the steel wire is 36.44mm2The circumference of the steel wire is 24.42mm, the equivalent diameter of the steel wire is 6.81mm, the surface reduction rate of the steel wire is 13.2 percent, and the cumulative surface reduction rate of the steel wire is 55.4 percent;
the area of the steel wire is 31.18mm through the seventh special-shaped die drawing of the special-shaped wire drawing die2The circumference of the steel wire is 23.68mm, the equivalent diameter of the steel wire is 6.3mm, the surface reduction rate of the steel wire is 14.4 percent, and the cumulative surface reduction rate of the steel wire is 61.9 percent;
drawing the steel wire surface through the eighth special-shaped die of the special-shaped wire drawing dieThe product is 27mm2The circumference of the steel wire is 22.75mm, the equivalent diameter of the steel wire is 5.86mm, the surface reduction rate of the steel wire is 13.5 percent, and the cumulative surface reduction rate of the steel wire is 67.0 percent; the finished Z-shaped profiled steel wire is produced, and in the embodiment, the coating thickness of the finished Z-shaped profiled steel wire is 240g/m2。
The production method of the raw material steel wires with different specifications such as Z3, Z4, Z5 and Z7 to form the Z-shaped profiled steel wire is the same as the production method of the steel wire with the Z6 specification, and the production method is not repeated.
Compared with the prior art, according to the production method of the Z-shaped profiled steel wire, the round wire disc raw material steel wire is subjected to hot dipping after being drawn by the first profiled die, and then is subjected to second profiled die drawing, so that the influence of thermal stress generated by hot dipping on the mechanical property of the Z-shaped profiled steel wire and the brittleness of the finished Z-shaped profiled steel wire are reduced, the hot plating hardness of the finished Z-shaped profiled steel wire and the bending strength, twisting strength, corrosion resistance and wear resistance of the finished Z-shaped profiled steel wire are improved, and the finished Z-shaped profiled steel wire has a smooth surface and is convenient to twist.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A production method of Z-shaped profiled steel wires is characterized by comprising the following steps: the method comprises the following steps:
s100: selecting a round wire disc to be processed to be fed, and performing first special-shaped die drawing through a special-shaped wire drawing die;
s200: hot-dip coating the steel wire drawn by the first special-shaped die;
s300: and carrying out second special-shaped die drawing on the hot-dipped steel wire through the special-shaped wire drawing die to generate a finished Z-shaped special-shaped steel wire.
2. A method of producing a Z-shaped wire according to claim 1, characterized in that: in S100, the first special-shaped die drawing includes a first special-shaped die drawing, a second special-shaped die drawing, a third special-shaped die drawing, and a fourth special-shaped die drawing performed in sequence.
3. A method of producing a Z-shaped wire according to claim 1, characterized in that: in S200, the hot-dipping includes hot-dip galvanizing or hot-dip aluminum-zinc plating.
4. A method of producing a Z-shaped wire profile according to claim 3, characterized in that: the coating thickness of the steel wire by hot dipping is 420 + -20 g/m2。
5. A method of producing a Z-shaped wire according to claim 1, characterized in that: in S300, the second special-shaped die drawing includes a fifth special-shaped die drawing, a sixth special-shaped die drawing, a seventh special-shaped die drawing, and an eighth special-shaped die drawing, which are performed in sequence.
6. A method of producing a Z-shaped profiled wire as claimed in claim 5, wherein: the coating thickness of the finished Z-shaped profiled steel wire drawn by the eighth profiled die is 240 +/-20 g/m2。
7. A method of producing a Z-shaped wire according to claim 1, characterized in that: the area, the perimeter and the equivalent diameter of the steel wire are gradually reduced along with the first profile die drawing and the second profile die drawing, and the cumulative area reduction rate of the steel wire is gradually increased along with the first profile die drawing and the second profile die drawing.
8. A method of producing a Z-shaped wire according to claim 1, characterized in that: the hole pattern of the special-shaped wire-drawing die is in a conical linear type, and the special-shaped wire-drawing die comprises a die core and a die sleeve.
9. A method of producing a Z-shaped wire according to claim 8, characterized in that: the die core comprises a feeding area, a working area, a sizing area and a discharging area, wherein the feeding area is coated with a lubricant, and the lubricant flows through the working area, the sizing area and the discharging area; and the steel wire sequentially passes through the working area, the sizing area and the discharging area from the feeding area along with the lubricant to perform special-shaped die drawing.
10. A method of producing a Z-shaped wire according to claim 9, characterized in that: the lubricant is wire drawing oil or wire drawing powder.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011331427.1A CN112547818A (en) | 2020-11-24 | 2020-11-24 | Production method of Z-shaped special-shaped steel wire |
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| CN202011331427.1A CN112547818A (en) | 2020-11-24 | 2020-11-24 | Production method of Z-shaped special-shaped steel wire |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113814289A (en) * | 2021-09-02 | 2021-12-21 | 贵州钢绳股份有限公司 | Production method of Z-shaped sealing steel wire |
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| CN113814289A (en) * | 2021-09-02 | 2021-12-21 | 贵州钢绳股份有限公司 | Production method of Z-shaped sealing steel wire |
| CN113814289B (en) * | 2021-09-02 | 2024-01-09 | 贵州钢绳股份有限公司 | Z-shaped seal steel wire production method |
| CN114042774A (en) * | 2021-11-10 | 2022-02-15 | 梓兰特线（厦门）科技有限公司 | Production method of Z-shaped special-shaped steel wire |
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