CN112410516A - Preparation method of high-efficiency rivet steel - Google Patents
Preparation method of high-efficiency rivet steel Download PDFInfo
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- CN112410516A CN112410516A CN202011244617.XA CN202011244617A CN112410516A CN 112410516 A CN112410516 A CN 112410516A CN 202011244617 A CN202011244617 A CN 202011244617A CN 112410516 A CN112410516 A CN 112410516A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 65
- 239000010959 steel Substances 0.000 title claims abstract description 65
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 239000000843 powder Substances 0.000 claims abstract description 43
- 238000010438 heat treatment Methods 0.000 claims abstract description 24
- 239000000344 soap Substances 0.000 claims abstract description 22
- 238000010791 quenching Methods 0.000 claims abstract description 19
- 230000000171 quenching effect Effects 0.000 claims abstract description 19
- 230000006835 compression Effects 0.000 claims abstract description 14
- 238000007906 compression Methods 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 5
- 238000004140 cleaning Methods 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 9
- 230000008676 import Effects 0.000 claims description 7
- 229910001209 Low-carbon steel Inorganic materials 0.000 claims description 6
- 238000005261 decarburization Methods 0.000 claims description 6
- 238000005482 strain hardening Methods 0.000 claims description 4
- 230000006032 tissue transformation Effects 0.000 claims description 3
- 230000009466 transformation Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 229910001566 austenite Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 description 1
- 229910000797 Ultra-high-strength steel Inorganic materials 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000011143 downstream manufacturing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 238000005491 wire drawing Methods 0.000 description 1
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Classifications
-
- 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
-
- 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
- C21D1/34—Methods of heating
- C21D1/44—Methods of heating in heat-treatment baths
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
- C21D1/60—Aqueous agents
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- 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
-
- 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
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/009—Pearlite
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
- Metal Extraction Processes (AREA)
Abstract
The invention discloses a preparation method of high-efficiency blind rivet steel, which relates to the technical field of blind rivet steel preparation, and comprises the following steps: preparing raw materials; primary drawing; and (3) heat treatment: water bath quenching is adopted, the length of a quenching section is changed during quenching, staged heating is adopted during heat treatment, a steel wire forms a good oxide skin in the first two stages, and the structure transformation is completed in the next four stages; secondary middle pulling: the total drawing compression rate is controlled within 70%, and the final pass compression rate is controlled within 10%; removing powder: cleaning the residual soap powder of the drawn steel wire by a powder removing box; and (6) dividing the rolls. The invention has the advantages that: the water bath quenching is adopted during the heat treatment, so that the environment is protected, the staged heating is adopted during the heat treatment, the length of the quenching section is changed, and the performance of the steel wire is well controlled; the surface quality of the finished product is guaranteed to be qualified, and the problem of diameter out-of-tolerance is effectively reduced; effectively improve the content of the residual soap powder on the surface of the steel wire and has high preparation efficiency.
Description
Technical Field
The invention relates to the technical field of preparation of blind rivet steel, in particular to a preparation method of high-efficiency blind rivet steel.
Background
The rivet steel is used as a rivet raw material and is widely applied, but the production process is generally extensive, and the steps are long and the efficiency is low. With the development of steel wire production processes in recent years, the importance of controlling the strength, the diameter and the surface residual soap powder of the rivet steel is gradually realized in downstream processes, and then the requirements on the strength, the diameter and the surface residual soap powder of the rivet steel are gradually improved, but the traditional process can not meet the increasing requirements basically.
The patent with the application number of 201510897889.2 discloses an ultrahigh-strength steel wire rope and a wire drawing method thereof, wherein the manufactured steel wire has certain strength, but heavy metal ions are discharged through lead bath quenching, the steel wire is not environment-friendly, and the performance of the steel wire is difficult to control; the patent with the application number of 201910412206.8 discloses a preparation method of a wear-resistant tensile steel wire rope, the steel wire manufactured by the preparation method is high in tensile strength, high in flexibility and wear resistance, low in efficiency, difficult to control the performance of the steel wire, more in residual soap powder on the surface of the steel wire processed by two patents, and high in diameter out-of-tolerance defective rate. It is needed to provide a preparation method of high-efficiency rivet steel, so as to effectively control the performance of steel wires, reduce the diameter out-of-tolerance defective rate, reduce the residual soap powder on the surface and improve the production efficiency.
Disclosure of Invention
The invention aims to provide a preparation method of high-efficiency rivet steel, which can solve the problems that the production performance of the rivet steel is difficult to control, the diameter out-of-tolerance reject ratio is high, the surface residual soap powder is large, and the production efficiency is low.
In order to solve the technical problems, the technical scheme of the invention is as follows: the method comprises the following steps:
s1, preparing raw materials: selecting a low-carbon steel wire rod;
s2, primary drawing: drawing the low-carbon steel wire rod to the diameter of 3.08-3.42mm by large drawing;
s3, heat treatment: the steel wire is quenched by adopting water bath, the length of the quenching section is changed during quenching, the length is controlled to be 300-600cm, the strength of the steel wire reaches a required standard interval, the work hardening rate is improved, the steel wire is heated in a staged manner during heat treatment, good oxide skin is formed on the steel wire in the first two stages, the tissue transformation is completed in the later four stages, and the steel wire is heated in a staged manner to avoid decarburization abnormity;
s4, secondary middle pulling: the total drawing compression rate is controlled within 70 percent, the final pass compression rate is controlled within 10 percent, and the drawing is carried out until the diameter is 1.75-2.85 mm;
s5, removing powder: cleaning the residual soap powder of the drawn steel wire by a powder removing box;
s6, splitting: and (4) after secondary intermediate pulling and powder removal, directly carrying out coil splitting to obtain a finished product.
Further, in the step S3, during the heat treatment, the temperature of the gas furnace is controlled at 900-.
Further, in the step S4, during the secondary drawing, the entrance angle of the die is controlled at 9 ± 1 °, the exit angle is controlled at 90 ± 5 °, the length of the bearing is controlled at 20-35% D, D is the diameter of the outlet monofilament, and the ovality of the diameter of the finished steel wire is controlled within the range of 0.03 mm.
Further, the gumming case is a cuboid structure, and the gumming case level sets up, including the gumming shell, the both ends of gumming shell are import and export respectively, import and exit are provided with the felt, and the inside spring brush that is provided with of gumming shell, the even spaced several hole of blowing that is equipped with in top of gumming case, the several hole of blowing passes through the pipeline and is connected with the air outlet of air-blower, the bottom of gumming shell is provided with the powder discharge hole, the powder discharge hole is through powder discharge passageway and soap powder collection box intercommunication, the soap powder collection box sets up in gumming shell below.
The invention has the advantages that: the quenching process adopts water bath quenching, is more environment-friendly, changes the length of the quenching section during quenching, ensures that the strength of the steel wire reaches the required standard interval, and improves the work hardening rate because the distance between steel wire tissue sheets is better than that of lead bath quenching; during heat treatment, staged heating is adopted, the steel wire forms good oxide skin in the first two stages, tissue transformation is completed in the following four stages, fuel gas is saved by staged heating, the heat value of natural gas is effectively utilized, the decarburization probability of the traditional open-fire furnace heating process reaches 5%, the steel wire decarburization abnormality is avoided by staged heating, and the performance of the steel wire is well controlled;
the traditional total compression rate is more than 90%, the die consumption is 1 time higher, the diameter out-of-tolerance reject ratio reaches 10%, the total compression rate is controlled within 70%, the surface quality of a finished product is guaranteed to be qualified, and the diameter out-of-tolerance problem is effectively reduced;
after secondary middle drawing, powder is removed, and then the coil splitting is directly carried out, so that the preparation efficiency of the rivet steel can be effectively improved by 25%, and the content of residual soap powder on the surface of the steel wire can be effectively improved.
Drawings
FIG. 1 is a simplified process flow diagram of the present invention;
FIG. 2 is a schematic view of the secondary drawing split of the present invention;
FIG. 3 is a schematic structural view of the powder removing box of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and the detailed description. The following examples are presented to enable one of ordinary skill in the art to more fully understand the present invention and are not intended to limit the scope of the embodiments described herein.
The specific implementation mode adopts the following technical scheme: as shown in fig. 1, the method comprises the following steps:
s1, preparing raw materials: and selecting a low-carbon steel wire rod.
S2, primary drawing: and drawing the low-carbon steel wire rod to the diameter of 3.08-3.42mm by large drawing.
S3, heat treatment: the steel wire is quenched by adopting a water bath, the traditional heating lead bath quenching is adopted, the steel wire is quenched by adopting an AQ water bath, no heavy metal ions are discharged, the steel wire is more environment-friendly, the quenching section length is changed during quenching, the AQ length is controlled to be 600cm, the strength of the steel wire reaches a required standard interval, the steel wire tissue piece spacing is superior to that of lead bath quenching, the work hardening rate is improved, the heat treatment is performed by adopting step-type heating, a gas furnace is divided into six areas, the furnace temperature processes are 985 ℃, 1005 ℃, 1025 ℃, 1040 ℃, 1005 ℃ and 980 ℃ in sequence, the internal tissue of the steel wire is converted into austenite from a drawing state during the heating process, the austenite tissue is converted into sorbite after the water bath, the steel wire forms good oxide skin in the first two stages, the tissue conversion is completed in the later; the decarburization probability of the traditional open-fire furnace heating process reaches 5 percent; the temperature of the heating furnace is controlled at 900-1100 ℃, which is beneficial to avoiding decarburization and spacing of steel wire tissue sheets, is beneficial to improving the subsequent drawing compression ratio, saves fuel gas and effectively utilizes the heat value of natural gas.
S4, secondary middle pulling: the total drawing compression rate is controlled within 70%, the traditional drawing concept with an ultra-large compression rate is distinguished, the compression rate of each pass is reduced under the condition that the strength performance of a finished product is guaranteed, the surface quality of the finished product is guaranteed to be qualified, the compression rate of the last pass is controlled within 10%, the diameter of the finished product is 1.75-2.85mm after drawing, the diameter out-of-tolerance problem is effectively reduced, the traditional total compression rate is over 90%, the die consumption is 1 time higher, and the diameter out-of-tolerance reject ratio reaches 10%;
when in drawing, the inlet angle of the die is controlled at 9 +/-1 degrees, the outlet angle is controlled at 90 +/-5 degrees, the length of a sizing belt is controlled at 20-35% D, D is the diameter of an outlet monofilament, the diameter ovality of a finished steel wire is controlled within the range of 0.03mm, and the diameter of the die is controlled: the finished product mold is +3 to +8um, the unfinished product mold is-5 to +3um, the finished product mold is drawn by a mold and wound by a winding drum to form a certain tension, and the schematic drawing of secondary drawing and splitting is shown in figure 2.
S5, removing powder: the steel wire after the drawing carries out the clearance of remaining soap powder through the gumming case, as shown in fig. 3, the gumming case is a cuboid structure, gumming case level sets up, including gumming shell 1, the both ends of gumming shell 1 are import and export respectively, import and exit are provided with felt 2, gumming shell 1 is inside to be provided with spring brush 3, the even spaced apart several blowhole that is equipped with in top of gumming case, the several blowhole passes through pipeline 4 and is connected with the air outlet of air-blower 5, the bottom of gumming shell 1 is provided with the powder discharge hole, the powder discharge hole is through powder discharge passageway 6 and soap powder collection box 7 intercommunication, soap powder collection box 7 sets up in the below of gumming shell 1 and felt 2.
When the steel wire carries out the gumming through the gumming case, the steel wire is at first through felt 2 of 1 import department of gumming shell, then pass from the centre of the spring brush 3 of 1 inside gumming shell again, at last from felt 2 process in 1 exit of gumming shell, the steel wire passes through felt 2, the clearance of spring brush 3 realization soap powder many times, the soap powder after the clearance passes through the effect of air-blower 5, blow down and collect in the soap powder collection box 7, gumming case convenient operation, and effectively improve the remaining soap powder content in steel wire surface.
S6, splitting: and after secondary middle drawing and powder removal, the coil splitting is directly carried out through a coil splitting machine to obtain a finished product, the middle drawing and coil splitting are integrated, the step of splitting after the traditional drawing is carried out to the specification of the finished product is distinguished, the drawing and coil splitting are carried out synchronously, and the manufacture of the finished product is finished efficiently.
The rivet steel prepared by the specific embodiment can effectively improve the preparation efficiency by 25 percent, the reject ratio of the wire shrinkage is reduced from 10 percent to 0, and the strength dispersion is poorThe rate is reduced from 20 percent to less than 5 percent, and the content of the soap powder is reduced from 4g/m2Reduced to 1g/m2The manufacturing is efficient and convenient, and the performance control is good.
The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The preparation method of the high-efficiency blind rivet steel is characterized by comprising the following steps: the method comprises the following steps:
s1, preparing raw materials: selecting a low-carbon steel wire rod;
s2, primary drawing: drawing the low-carbon steel wire rod to the diameter of 3.08-3.42mm by large drawing;
s3, heat treatment: the steel wire is quenched by adopting water bath, the length of the quenching section is changed during quenching, the length is controlled to be 300-600cm, the strength of the steel wire reaches a required standard interval, the work hardening rate is improved, the steel wire is heated in a staged manner during heat treatment, good oxide skin is formed on the steel wire in the first two stages, the tissue transformation is completed in the later four stages, and the steel wire is heated in a staged manner to avoid decarburization abnormity;
s4, secondary middle pulling: the total drawing compression rate is controlled within 70 percent, the final pass compression rate is controlled within 10 percent, and the drawing is carried out until the diameter is 1.75-2.85 mm;
s5, removing powder: cleaning the residual soap powder of the drawn steel wire by a powder removing box;
s6, splitting: and (4) after secondary intermediate pulling and powder removal, directly carrying out coil splitting to obtain a finished product.
2. The preparation method of the high-efficiency blind rivet steel according to claim 1, characterized by comprising the following steps: in step S3, during the heat treatment, the temperature of the gas furnace is controlled at 900-.
3. The preparation method of the high-efficiency blind rivet steel according to claim 1, characterized by comprising the following steps: in the step S4, during the secondary drawing, the entrance angle of the die is controlled at 9 ± 1 °, the exit angle is controlled at 90 ± 5 °, the length of the bearing is controlled at 20-35% D, D is the diameter of the outlet monofilament, and the ovality of the diameter of the finished steel wire is controlled within the range of 0.03 mm.
4. The preparation method of the high-efficiency blind rivet steel according to claim 1, characterized by comprising the following steps: the gumming case is a cuboid structure, and the gumming case level sets up, including the gumming shell, the both ends of gumming shell are import and export respectively, import and exit are provided with the felt, and the inside spring brush that is provided with of gumming shell, the even spaced several gas hole that is equipped with in top of gumming case, the several gas hole passes through the pipeline and is connected with the air outlet of air-blower, the bottom of gumming shell is provided with the powder discharge hole, the powder discharge hole is through powder discharge passageway and soap powder collection box intercommunication, the soap powder collection box sets up in gumming shell below.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011244617.XA CN112410516B (en) | 2020-11-10 | 2020-11-10 | Preparation method of high-efficiency blind rivet steel |
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| CN202011244617.XA CN112410516B (en) | 2020-11-10 | 2020-11-10 | Preparation method of high-efficiency blind rivet steel |
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| CN112410516B CN112410516B (en) | 2023-12-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113249551A (en) * | 2021-04-09 | 2021-08-13 | 张家港市苏闽金属制品有限公司 | Heat treatment method for improving bending fatigue strength of thick wet-drawn steel wire |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT8049275A0 (en) * | 1979-07-21 | 1980-07-18 | Lucas Industries Ltd | DUSTING EQUIPMENT |
| CN103352381A (en) * | 2013-07-25 | 2013-10-16 | 张家港市胜达钢绳有限公司 | Production method of high-strength steel rope |
| CN105478502A (en) * | 2015-12-29 | 2016-04-13 | 东莞市科力钢铁线材有限公司 | Production process of non-annealed wire material for pulling rivet pull rod |
| CN105568155A (en) * | 2015-12-29 | 2016-05-11 | 东莞市科力钢铁线材有限公司 | Production process of super-plasticity low-carbon steel material used for turning rivet |
| CN208084825U (en) * | 2018-04-13 | 2018-11-13 | 广州创特技术有限公司 | A kind of bugduster apparatus |
| CN110184439A (en) * | 2019-06-28 | 2019-08-30 | 江苏宝钢精密钢丝有限公司 | A kind of production method of New Types of Card Clothing steel wire |
| CN110842039A (en) * | 2018-08-20 | 2020-02-28 | 奥钢联伯乐焊接(中国)有限公司 | One-millimeter stainless steel gas shielded welding wire linear drawing production method |
-
2020
- 2020-11-10 CN CN202011244617.XA patent/CN112410516B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT8049275A0 (en) * | 1979-07-21 | 1980-07-18 | Lucas Industries Ltd | DUSTING EQUIPMENT |
| CN103352381A (en) * | 2013-07-25 | 2013-10-16 | 张家港市胜达钢绳有限公司 | Production method of high-strength steel rope |
| CN105478502A (en) * | 2015-12-29 | 2016-04-13 | 东莞市科力钢铁线材有限公司 | Production process of non-annealed wire material for pulling rivet pull rod |
| CN105568155A (en) * | 2015-12-29 | 2016-05-11 | 东莞市科力钢铁线材有限公司 | Production process of super-plasticity low-carbon steel material used for turning rivet |
| CN208084825U (en) * | 2018-04-13 | 2018-11-13 | 广州创特技术有限公司 | A kind of bugduster apparatus |
| CN110842039A (en) * | 2018-08-20 | 2020-02-28 | 奥钢联伯乐焊接(中国)有限公司 | One-millimeter stainless steel gas shielded welding wire linear drawing production method |
| CN110184439A (en) * | 2019-06-28 | 2019-08-30 | 江苏宝钢精密钢丝有限公司 | A kind of production method of New Types of Card Clothing steel wire |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113249551A (en) * | 2021-04-09 | 2021-08-13 | 张家港市苏闽金属制品有限公司 | Heat treatment method for improving bending fatigue strength of thick wet-drawn steel wire |
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| CN112410516B (en) | 2023-12-15 |
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