CN106925623A - A kind of processing method of strong concrete reinforcing bar - Google Patents
A kind of processing method of strong concrete reinforcing bar Download PDFInfo
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- CN106925623A CN106925623A CN201710055196.8A CN201710055196A CN106925623A CN 106925623 A CN106925623 A CN 106925623A CN 201710055196 A CN201710055196 A CN 201710055196A CN 106925623 A CN106925623 A CN 106925623A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/04—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of bars or wire
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C9/00—Cooling, heating or lubricating drawing material
- B21C9/02—Selection of compositions therefor
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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
-
- 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
- C23C22/05—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 using aqueous solutions
- C23C22/06—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 using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/07—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 using aqueous solutions using aqueous acidic solutions with pH less than 6 containing phosphates
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Metal Extraction Processes (AREA)
Abstract
The invention discloses a kind of processing method of strong concrete reinforcing bar, its processing method is as follows：（1）Surface treatment；（2）Wire drawing；（3）Helical scores；（4）Straightening；（5）High temperature quenches；（6）Intermediate frequency is tempered；（7）Water cooling；（8）Take-up is packed, the method have the advantages that：1st, this processing method is in surface treatment process; wire rod its surface after phosphorating treatment can form one layer of passivation protection film; this passivation protection film in the puckery shape of thorn, can preferably be combined so that the toughness of reinforcing bar internal structure is stronger in drawing process with wire drawing powder under the microscope；2nd, by the saponification process of limewash, the bright and clean lubrication of wire surface can be made, promotes phosphatization molecule to be deep into the superficial layer of wire rod, wire rod is dried by the way of drying naturally；3rd, such that wire rod after treatment can quickly be evaporated the moisture on wire rod using the heat of itself, so as to be effectively saved drying and processing cost.
Description
Technical field
The present invention relates to the technical field of steel bar meter method, more particularly to strong concrete steel bar meter
The technical field of method.
Background technology
Building iron, traditional screw-thread steel, its tensile strength is in 200MPa or so.It is house, bridge and road
Deng a large amount of concrete foundation materials for using in architectural engineering, the intensity to strengthening building structure plays vital effect.
As the natural calamities such as the high speed development of modern society, particularly earthquake take place frequently, the security and anti-seismic performance of building structure are obtained
Greatly pay attention to people, the mechanical property to concrete building iron it is also proposed new requirements at the higher level.Country in 2012
Firmly build portion, Ministry of Industry and Information to advocate development of high strength building iron energetically and carried out corresponding adjustment to code of building design, build
The tensile strength of reinforcing bar brings up to 300-400MP.According to reinforcing bar equal strength substitution principle, strong concrete is equipped with high intensity and builds
Building reinforcing bar can reduce the usage amount of reinforcing bar.But the tensile strength of screw-thread steel up develops just encounter technical bottleneck again, with
The increase of phosphorus content and weakness that solderability declines is difficult to break through.
High-strength prestressed concrete steel wire of the tensile strength up to 1570 MPA is there has also been in the market, but because of it
Ductility is poor, it is impossible to using electric welding normal weld, material is economized on using that can not embody it in non-prestressed concrete construction
The characteristics of.
The content of the invention
The purpose of the present invention is exactly to provide a kind of rational technology to solve above-mentioned deficiency, and the reinforcing bar for processing is solderable
Connect, tensile strength can reach 900-1370MPA, yield strength higher is maintained while high-tensile is possessed and is stretched
Several important indicators such as rate long, and possess all features of common building reinforcing bar, lot of materials can be saved, effectively reduce being produced into
The processing method of this strong concrete reinforcing bar.
The technical solution that in order to solve the above-mentioned technical problem present invention uses is as follows：
A kind of processing method of strong concrete reinforcing bar, its processing method is as follows：
（1）Surface treatment：Wire rod is placed in mass concentration for 10-15% temperature to soak 10-12 in 20-25 DEG C of hydrochloric acid solution
Minute, the oxide skin and dirt of wire surface are removed, wire rod is rinsed using clear water then, wire rod is then sent into temperature
To be carried out in 70-80 DEG C of Phosphating Solution phosphorating treatment 8-12 minutes, wire rod is cleaned using clear water then, then by wire rod
Mass concentration is transferred to for 30-40% temperature to carry out saponification process in 70-80 DEG C of lime pond, will after saponification process 4-6 minutes
Wire rod takes out, and is dried by the way of nature airing；
（2）Wire drawing：Under external force will be through step（1）Wire rod after treatment by the seal box equipped with mould and wire drawing powder,
It is furnished with automatic stirring wire drawing powder device in seal box, wire drawing powder is uniformly adhered in wire surface, wire rod is forced through peace
Seal box equipped with mould, is compressed using mould to the cross section of wire rod, and point 3-4 times is carried out, and each compression ratio is
8-12%；
（3）Helical scores：Wire rod is forward rotated the spiral ribs for being allowed to formation rule in the presence of helical scores machine, herein mistake
Temperature in use carries out cooling and lubricating for 20-25 DEG C of saponification liquor to wire rod in journey；
（4）Straightening：The roller being made of special steel from four direction up and down irregularly extrudes wire rod, under straining pulley effect
Wire rod is forced through roller, straightening treatment is carried out to wire rod；
（5）High temperature quenches：Using induction power supply to through step（4）Wire rod after treatment is heated, and the linear velocity of wire rod is every
2 meters of second, heating frequency is 30-100kHz, and heating-up temperature is 900-920 DEG C, and the metallographic structure after wire rod is heated is austenite,
Martensitic structure is obtained after wire rod water quenching after heating；
（6）Intermediate frequency is tempered：Through step（5）Wire rod after treatment, by induction coil, wire rod moment is added with 2 meters per second of speed
The temperature of heat to 390-420 DEG C；
（7）Water cooling：Will be through step（6）Wire rod after treatment is cooled down with 2 meters per second of speed through bosh, is made
Strong concrete reinforcing bar, the cooling water temperature in bosh is 0-40 DEG C；
（8）Take-up is packed：It is automatic by strong concrete reinforcing bar harvest plate-like under the turning effort of admission machine, and wrapped
Dress.
The wire drawing powder is formed by the material allotment of following weight：Sheep oil 20-30, paraffin 10-20 and pulverized limestone
55-65。
It is of the invention to be using the above-mentioned technical solution beneficial effect to be reached：
1st, in surface treatment process, wire rod its surface after phosphorating treatment can form one layer of passivation protection film to this processing method,
This passivation protection film in the puckery shape of thorn, can preferably be combined so that in reinforcing bar in drawing process with wire drawing powder under the microscope
The toughness of portion's structure is stronger；
2nd, by the saponification process of limewash, the bright and clean lubrication of wire surface can be made, promotes phosphatization molecule to be deep into the superficial of wire rod
Layer, is dried by the way of drying naturally to wire rod；
3rd, because Phosphating Solution and limewash are respectively provided with temperature higher so that wire rod after treatment can utilize the heat of itself
Moisture on wire rod is evaporated quickly, so as to be effectively saved drying and processing cost；
4th, it is greatly improved by after wire drawing process, may be such that the tensile strength of reinforcing bar；
5th, in high temperature quenching process, quenched after being heated to wire rod using high temperature, may be such that the metallographic structure of wire rod by Ovshinsky
Body structural transformation is martensitic structure, so as to substantially increase the hardness and tensile strength of reinforcing bar；
6th, the portion of residual stress in wire rod can be eliminated using intermediate frequency tempering, makes tensile strength, yield strength and the elongation of reinforcing bar
Rate increases, and increases strong flexor ratio, improves the stress relaxation ability of reinforcing bar, and effectively increases the ductility of reinforcing bar, can be used for it
Welding.
Brief description of the drawings
Fig. 1 survey reports page 1；
Fig. 2 survey reports page 2；
Fig. 3 survey reports page 3；
Fig. 4 survey reports page 4.
Specific embodiment
Embodiment 1
A kind of processing method of strong concrete reinforcing bar, its processing method is as follows：
（1）Surface treatment：It is to soak 10 minutes in the hydrochloric acid solution that 10% temperature is 20 DEG C that wire rod is placed in into mass concentration, is removed
The oxide skin and dirt of wire surface, are then rinsed using clear water to wire rod, are then 70 DEG C by wire rod feeding temperature
Phosphorating treatment is carried out in Phosphating Solution 8 minutes, wire rod is cleaned using clear water then, wire rod then is transferred into mass concentration is
30% temperature is to carry out saponification process in 70 DEG C of lime pond, and saponification process took out wire rod after 4 minutes, and cool using nature
Dry mode is dried；
（2）Wire drawing：Under external force will be through step（1）Wire rod after treatment by the seal box equipped with mould and wire drawing powder,
It is furnished with automatic stirring wire drawing powder device in seal box, wire drawing powder is uniformly adhered in wire surface, wire rod is forced through peace
Seal box equipped with mould, is compressed using mould to the cross section of wire rod, and points 3 times are carried out, and each compression ratio is
12%, the wire drawing powder is formed by the material allotment of following weight proportion：Sheep oil 20kg, paraffin 10kg and pulverized limestone 55kg；
（3）Helical scores：Wire rod is forward rotated the spiral ribs for being allowed to formation rule in the presence of helical scores machine, herein mistake
Saponification liquor in journey using 20 DEG C carries out cooling and lubricating to wire rod, and the saponification liquor after use is circulated in being included into closing great Chi
Use；
（4）Straightening：The roller being made of special steel from four direction up and down irregularly extrudes wire rod, under straining pulley effect
Wire rod is forced through roller, straightening treatment is carried out to wire rod；
（5）High temperature quenches：Using induction power supply to through step（4）Wire rod after treatment is heated, and the linear velocity of wire rod is every
2 meters of second, heating frequency is 30kHz, and heating-up temperature is 900 DEG C, and the metallographic structure after wire rod is heated is austenite, after heating
Martensitic structure is obtained after wire rod water quenching；
（6）Intermediate frequency is tempered：Through step（5）Wire rod after treatment, by induction coil, wire rod moment is added with 2 meters per second of speed
The temperature of heat to 390 DEG C；
（7）Water cooling：Will be through step（6）Wire rod after treatment is cooled down with 2 meters per second of speed through bosh, is made
Strong concrete reinforcing bar, the cooling water temperature in bosh is 0 DEG C；
（8）Take-up is packed：It is automatic by strong concrete reinforcing bar harvest plate-like under the turning effort of admission machine, and wrapped
Dress.
Following table is the batch number for using the processing method of embodiment 1 to process for 1306050910 diameter specifications are 6mm
Strong concrete reinforcing bar mechanical property measured value and current GB GB 13788-2008 required standard values contrast
Table：
| Mechanical property | Standard value | Measured value |
| Specified non-proportional elongation stress Rp0.2 MPa | ≥620 | 865 |
| Tensile strength Rm MPa | ≥800 | 964 |
| Elongation after fracture A100mm % | ≥4 | 7 |
| Alternating bending frequency/180 ° r=20mm | ≥4 | 12 |
Embodiment 2
A kind of processing method of strong concrete reinforcing bar, its processing method is as follows：
（1）Surface treatment：It is to soak 11 minutes in the hydrochloric acid solution that 12% temperature is 23 DEG C that wire rod is placed in into mass concentration, is removed
The oxide skin and dirt of wire surface, are then rinsed using clear water to wire rod, are then 75 DEG C by wire rod feeding temperature
Phosphorating treatment is carried out in Phosphating Solution 9 minutes, wire rod is cleaned using clear water then, wire rod then is transferred into mass concentration is
35% temperature is to carry out saponification process in 75 DEG C of lime pond, and saponification process took out wire rod after 5 minutes, and cool using nature
Dry mode is dried；
（2）Wire drawing：Under external force will be through step（1）Wire rod after treatment by the seal box equipped with mould and wire drawing powder,
It is furnished with automatic stirring wire drawing powder device in seal box, wire drawing powder is uniformly adhered in wire surface, wire rod is forced through peace
Seal box equipped with mould, is compressed using mould to the cross section of wire rod, and points 3 times are carried out, and each compression ratio is
11%, the wire drawing powder is formed by the material allotment of following weight proportion：Sheep oil 25kg, paraffin 15kg and pulverized limestone 60kg are allocated
Form；
（3）Helical scores：Wire rod is forward rotated the spiral ribs for being allowed to formation rule in the presence of helical scores machine, herein mistake
Saponification liquor in journey using 22 DEG C carries out cooling and lubricating to wire rod, and the saponification liquor after use is circulated in being included into closing great Chi
Use；
（4）Straightening：The roller being made of special steel from four direction up and down irregularly extrudes wire rod, under straining pulley effect
Wire rod is forced through roller, straightening treatment is carried out to wire rod；
（5）High temperature quenches：Using induction power supply to through step（4）Wire rod after treatment is heated, and the linear velocity of wire rod is every
2 meters of second, heating frequency is 70kHz, and heating-up temperature is 910 DEG C, and the metallographic structure after wire rod is heated is austenite, after heating
Martensitic structure is obtained after wire rod water quenching；
（6）Intermediate frequency is tempered：Through step（5）Wire rod after treatment, by induction coil, wire rod moment is added with 2 meters per second of speed
The temperature of heat to 400 DEG C；
（7）Water cooling：Will be through step（6）Wire rod after treatment is cooled down with 2 meters per second of speed through bosh, is made
Strong concrete reinforcing bar, the cooling water temperature in bosh is 20 DEG C；
（8）Take-up is packed：It is automatic by strong concrete reinforcing bar harvest plate-like under the turning effort of admission machine, and wrapped
Dress.
Following table is the batch number for using the processing method of embodiment 2 to process for 1306051020 diameter specifications are 6mm
Strong concrete reinforcing bar mechanical property measured value and current GB GB 13788-2008 required standard values contrast
Table：
| Mechanical property | Standard value | Measured value |
| Specified non-proportional elongation stress Rp0.2 MPa | ≥620 | 875 |
| Tensile strength Rm MPa | ≥800 | 1001 |
| Elongation after fracture A100mm % | ≥4 | 8.5 |
| Alternating bending frequency/180 ° r=20mm | ≥4 | 16 |
Embodiment 3
A kind of processing method of strong concrete reinforcing bar, its processing method is as follows：
（1）Surface treatment：It is to soak 11 minutes in the hydrochloric acid solution that 14% temperature is 23 DEG C that wire rod is placed in into mass concentration, is removed
The oxide skin and dirt of wire surface, are then rinsed using clear water to wire rod, are then 76 DEG C by wire rod feeding temperature
Phosphorating treatment is carried out in Phosphating Solution 10 minutes, wire rod is cleaned using clear water then, wire rod is then transferred to mass concentration
To carry out saponification process in lime pond that 34% temperature is 73 DEG C, saponification process took out wire rod after 5 minutes, and used nature
The mode of airing is dried；
（2）Wire drawing：Under external force will be through step（1）Wire rod after treatment by the seal box equipped with mould and wire drawing powder,
It is furnished with automatic stirring wire drawing powder device in seal box, wire drawing powder is uniformly adhered in wire surface, wire rod is forced through peace
Seal box equipped with mould, is compressed using mould to the cross section of wire rod, and points 4 times are carried out, and each compression ratio is
10%, the wire drawing powder is formed by the composition allotment of following weight proportion：Sheep oil 27kg, paraffin 16kg and pulverized limestone 58kg；
（3）Helical scores：Wire rod is forward rotated the spiral ribs for being allowed to formation rule in the presence of helical scores machine, herein mistake
Saponification liquor in journey using 22 DEG C carries out cooling and lubricating to wire rod, and the saponification liquor after use is circulated in being included into closing great Chi
Use；
（4）Straightening：The roller being made of special steel from four direction up and down irregularly extrudes wire rod, under straining pulley effect
Wire rod is forced through roller, straightening treatment is carried out to wire rod；
（5）High temperature quenches：Using induction power supply to through step（4）Wire rod after treatment is heated, and the linear velocity of wire rod is every
2 meters of second, heating frequency is 60kHz, and heating-up temperature is 908 DEG C, and the metallographic structure after wire rod is heated is austenite, after heating
Martensitic structure is obtained after wire rod water quenching；
（6）Intermediate frequency is tempered：Through step（5）Wire rod after treatment, by induction coil, wire rod moment is added with 2 meters per second of speed
The temperature of heat to 410 DEG C；
（7）Water cooling：Will be through step（6）Wire rod after treatment is cooled down with 2 meters per second of speed through bosh, is made
Strong concrete reinforcing bar, the cooling water temperature in bosh is 10 DEG C；
（8）Take-up is packed：It is automatic by strong concrete reinforcing bar harvest plate-like under the turning effort of admission machine, and wrapped
Dress.
Following table is the batch number for using the processing method of embodiment 3 to process for 1305161325 diameter specifications are 6mm
Strong concrete reinforcing bar mechanical property measured value and current GB GB 13788-2008 required standard values contrast
Table：
| Mechanical property | Standard value | Measured value |
| Specified non-proportional elongation stress Rp0.2 MPa | ≥620 | 862 |
| Tensile strength Rm MPa | ≥800 | 949 |
| Elongation after fracture A100mm % | ≥4 | 7.5 |
| Alternating bending frequency/180 ° r=20mm | ≥4 | 14 |
| 10 hours relaxation rate % | ≤3 | 1.4 |
Embodiment 4
A kind of processing method of strong concrete reinforcing bar, its processing method is as follows：
（1）Surface treatment：It is to soak 12 minutes in the hydrochloric acid solution that 15% temperature is 25 DEG C that wire rod is placed in into mass concentration, is removed
The oxide skin and dirt of wire surface, are then rinsed using clear water to wire rod, are then 80 DEG C by wire rod feeding temperature
Phosphorating treatment is carried out in Phosphating Solution 12 minutes, wire rod is cleaned using clear water then, wire rod is then transferred to mass concentration
To carry out saponification process in lime pond that 40% temperature is 80 DEG C, saponification process took out wire rod after 6 minutes, and used nature
The mode of airing is dried；
（2）Wire drawing：Under external force will be through step（1）Wire rod after treatment by the seal box equipped with mould and wire drawing powder,
It is furnished with automatic stirring wire drawing powder device in seal box, wire drawing powder is uniformly adhered in wire surface, wire rod is forced through peace
Seal box equipped with mould, is compressed using mould to the cross section of wire rod, and points 4 times are carried out, and each compression ratio is 8%,
The wire drawing powder is formed by the composition allotment of following weight proportion：Sheep oil 30kg, paraffin 20kg and pulverized limestone 65kg；
（3）Helical scores：Wire rod is forward rotated the spiral ribs for being allowed to formation rule in the presence of helical scores machine, herein mistake
Saponification liquor in journey using 25 DEG C carries out cooling and lubricating to wire rod, and the saponification liquor after use is circulated in being included into closing great Chi
Use；
（4）Straightening：The roller being made of special steel from four direction up and down irregularly extrudes wire rod, under straining pulley effect
Wire rod is forced through roller, straightening treatment is carried out to wire rod；
（5）High temperature quenches：Using induction power supply to through step（4）Wire rod after treatment is heated, and the linear velocity of wire rod is every
2 meters of second, heating frequency is 100kHz, and heating-up temperature is 920 DEG C, and the metallographic structure after wire rod is heated is austenite, after heating
Wire rod water quenching after obtain martensitic structure；
（6）Intermediate frequency is tempered：Through step（5）Wire rod after treatment, by induction coil, wire rod moment is added with 2 meters per second of speed
The temperature of heat to 420 DEG C；
（7）Water cooling：Will be through step（6）Wire rod after treatment is cooled down with 2 meters per second of speed through bosh, is made
Strong concrete reinforcing bar, the cooling water temperature in bosh is 40 DEG C；
（8）Take-up is packed：It is automatic by strong concrete reinforcing bar harvest plate-like under the turning effort of admission machine, and wrapped
Dress.
Following table is the batch number for using the processing method of embodiment 4 to process for 1305161520 diameter specifications are 6mm
Strong concrete reinforcing bar mechanical property measured value and current GB GB 13788-2008 required standard values contrast
Table：
| Mechanical property | Standard value | Measured value |
| Specified non-proportional elongation stress Rp0.2 MPa | ≥620 | 859 |
| Tensile strength Rm MPa | ≥800 | 943 |
| Elongation after fracture A100mm % | ≥4 | 6.5 |
| Alternating bending frequency/180 ° r=20mm | ≥4 | 12 |
| 10 hours relaxation rate % | ≤3 | 1.4 |
Claims (2)
1. a kind of processing method of strong concrete reinforcing bar, it is characterised in that its processing method is as follows：
（1）Surface treatment：Wire rod is placed in mass concentration for 10-15% temperature to soak 10-12 in 20-25 DEG C of hydrochloric acid solution
Minute, the oxide skin and dirt of wire surface are removed, wire rod is rinsed using clear water then, wire rod is then sent into temperature
To be carried out in 70-80 DEG C of Phosphating Solution phosphorating treatment 8-12 minutes, wire rod is cleaned using clear water then, then by wire rod
Mass concentration is transferred to for 30-40% temperature to carry out saponification process in 70-80 DEG C of lime pond, will after saponification process 4-6 minutes
Wire rod takes out, and is dried by the way of nature airing；
（2）Wire drawing：Under external force will be through step（1）Wire rod after treatment by the seal box equipped with mould and wire drawing powder,
It is furnished with automatic stirring wire drawing powder device in seal box, wire drawing powder is uniformly adhered in wire surface, wire rod is forced through peace
Seal box equipped with mould, is compressed using mould to the cross section of wire rod, and point 3-4 times is carried out, and each compression ratio is
8-12%；
（3）Helical scores：Wire rod is forward rotated the spiral ribs for being allowed to formation rule in the presence of helical scores machine, herein mistake
Saponification liquor in journey using 20-25 DEG C carries out cooling and lubricating to wire rod；
（4）Straightening：The roller being made of special steel from four direction up and down irregularly extrudes wire rod, under straining pulley effect
Wire rod is forced through roller, straightening treatment is carried out to wire rod；
（5）High temperature quenches：Using induction power supply to through step（4）Wire rod after treatment is heated, and the linear velocity of wire rod is every
2 meters of second, heating frequency is 30-100kHz, and heating-up temperature is 900-920 DEG C, and the metallographic structure after wire rod is heated is austenite,
Martensitic structure is obtained after wire rod water quenching after heating；
（6）Intermediate frequency is tempered：Through step（5）Wire rod after treatment, by induction coil, wire rod moment is added with 2 meters per second of speed
The temperature of heat to 390-420 DEG C；
（7）Water cooling：Will be through step（6）Wire rod after treatment is cooled down with 2 meters per second of speed through bosh, is made
Strong concrete reinforcing bar, the cooling water temperature in bosh is 0-40 DEG C；
（8）Take-up is packed：It is automatic by strong concrete reinforcing bar harvest plate-like under the turning effort of admission machine, and wrapped
Dress.
2. the processing method of a kind of strong concrete reinforcing bar according to claim 1, it is characterised in that：The wire drawing powder
Formed by the composition allotment of following weight：Sheep oil 20-30, paraffin 10-20 and pulverized limestone 55-65.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109702122A (en) * | 2019-03-01 | 2019-05-03 | 江阴市邦泰金属制品有限公司 | A kind of manufacturing method of high intensity railway steel mesh |
| CN115608804A (en) * | 2022-11-07 | 2023-01-17 | 奥盛（九江）新材料有限公司 | Manufacturing method of special steel wire for remotely monitoring operation state of bridge cable |
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| CN109702122A (en) * | 2019-03-01 | 2019-05-03 | 江阴市邦泰金属制品有限公司 | A kind of manufacturing method of high intensity railway steel mesh |
| CN109702122B (en) * | 2019-03-01 | 2020-04-10 | 江阴市邦泰金属制品有限公司 | Manufacturing method of high-strength railway reinforcing mesh |
| CN115608804A (en) * | 2022-11-07 | 2023-01-17 | 奥盛（九江）新材料有限公司 | Manufacturing method of special steel wire for remotely monitoring operation state of bridge cable |
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Application publication date: 20170707 |