CN111535062A - Steel wire cord for 1+ 7-ply radial tire - Google Patents
Steel wire cord for 1+ 7-ply radial tire Download PDFInfo
- Publication number
- CN111535062A CN111535062A CN202010343227.1A CN202010343227A CN111535062A CN 111535062 A CN111535062 A CN 111535062A CN 202010343227 A CN202010343227 A CN 202010343227A CN 111535062 A CN111535062 A CN 111535062A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 214
- 239000010959 steel Substances 0.000 title claims abstract description 214
- 210000000689 upper leg Anatomy 0.000 claims description 20
- 238000009941 weaving Methods 0.000 abstract description 8
- 238000005299 abrasion Methods 0.000 abstract description 3
- 239000012466 permeate Substances 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 229910000746 Structural steel Inorganic materials 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 4
- 239000003292 glue Substances 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 229910001263 D-2 tool steel Inorganic materials 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Images
Classifications
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/06—Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/06—Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core
- D07B1/0693—Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core having a strand configuration
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/10—Rope or cable structures
- D07B2201/1012—Rope or cable structures characterised by their internal structure
- D07B2201/102—Rope or cable structures characterised by their internal structure including a core
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/10—Rope or cable structures
- D07B2201/1028—Rope or cable structures characterised by the number of strands
- D07B2201/1032—Rope or cable structures characterised by the number of strands three to eight strands respectively forming a single layer
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/10—Rope or cable structures
- D07B2201/1028—Rope or cable structures characterised by the number of strands
- D07B2201/1036—Rope or cable structures characterised by the number of strands nine or more strands respectively forming multiple layers
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/10—Rope or cable structures
- D07B2201/104—Rope or cable structures twisted
- D07B2201/1064—Rope or cable structures twisted characterised by lay direction of the strand compared to the lay direction of the wires in the strand
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2047—Cores
- D07B2201/2051—Cores characterised by a value or range of the dimension given
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2401/00—Aspects related to the problem to be solved or advantage
- D07B2401/20—Aspects related to the problem to be solved or advantage related to ropes or cables
- D07B2401/202—Environmental resistance
- D07B2401/2025—Environmental resistance avoiding corrosion
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2501/00—Application field
- D07B2501/20—Application field related to ropes or cables
- D07B2501/2046—Tire cords
Landscapes
- Tires In General (AREA)
- Ropes Or Cables (AREA)
Abstract
The invention discloses a steel wire cord for a 1+ 7-strand radial tire, which comprises a core strand steel wire and an outer strand steel wire, wherein the outer strand steel wire is arranged outside the core strand steel wire along the circumferential direction, the core strand steel wire comprises at least three core strand first layer steel wires and at least nine core strand second layer steel wires which are formed by weaving and twisting, and the outer strand steel wire comprises at least one outer strand first layer steel wire and at least six outer strand second layer steel wires which are formed by weaving and twisting; the gaps among the seven strands of outer strand steel wires are larger, which is beneficial to the rubber to fully permeate into the core strand steel wires, and avoids point contact friction among the steel wires of each layer caused by insufficient permeation of the rubber, thereby avoiding the problem of failure of the bearing capacity of the steel cord due to abrasion.
Description
Technical Field
The invention relates to a steel cord for a 1+ 7-ply radial tire, belonging to the technical field of steel cords.
Background
The steel cord is an important component in a radial engineering tire framework material, is formed by weaving and twisting a 7 multiplied by d +0.15HT structure steel cord commonly used by radial engineering tires, and is formed by a 7 multiplied by d core strand, six 7 multiplied by d outer layer strands and a 0.15mm outer winding wire, wherein the core strand and the outer layer strands are of the same structure, the diameters of steel wires are the same, the 7 multiplied by d structure twisting direction is S, the twisting pitch is 12.5mm, the six outer layer strands are Z, the twisting pitch is 20.0mm, the outer winding wire twisting direction is S, the twisting pitch is 5.0mm, the strands are arranged compactly, the gap between the outer layer strands is small, and rubber cannot effectively permeate into the core strand steel cord so that the air content in the cord is high. The structure of the steel cord and the strength, bending stiffness and adhesive property with rubber thereof have direct influence on the tire, and the defects caused by unreasonable structural design cannot be completely compensated only by controlling the production process of the steel cord. During the use of the radial tire, the problem of the failure of the bearing capacity of the cord is easily caused by the insufficient strength of the steel wire cord or the corrosion and abrasion of the steel wire.
Disclosure of Invention
The invention aims to provide a steel cord for a 1+ 7-ply radial tire, which aims to overcome the defects that the strength of the steel cord is insufficient, the gap between outer ply is small, and rubber cannot effectively permeate into steel wires of a core ply, so that the air content in the cord is high.
The utility model provides a 1+7 strand steel cord for radial tire, includes core thigh strand wire steel wire and outer strand wire steel wire, outer strand wire steel wire is located along the circumferencial direction the outside of core thigh strand wire steel wire, core thigh strand wire steel wire includes that three piece at least core thigh first layer steel wires and nine piece at least core thigh second floor steel wires are compiled and are twisted with fingers and form, outer strand wire steel wire includes that at least one outer strand first layer steel wire and six at least outer strand second floor steel wires are compiled and are twisted with fingers and form.
Preferably, the outer layer strand steel wires are at least provided with seven groups, the outer layer strand steel wires are twisted along the core strand steel wires to form at least seven outer layer strand steel wires which are uniformly twisted on one core strand steel wire.
Preferably, the diameter of the first layer of steel filaments of the core strand is the same as the diameter of the first layer of steel filaments of the outer layer strand.
Preferably, the diameter of the first layer of steel wires of the core strand and the diameter of the first layer of steel wires of the outer layer strand are in the range of 0.165-0.38 mm.
Preferably, the core strand steel filaments are twisted in the opposite direction to the steel filaments in the outer layer strand steel filaments.
Preferably, the second layer of steel wires of the core strand has the same lay length as the second layer of steel wires of the outer layer strand.
Preferably, the lay length of the first layer of steel wires of the core strand is 0.5 times of the lay length of the first layer of steel wires of the outer layer strand.
Preferably, the outer ply first layer steel wires are free of braid.
Compared with the prior art, the invention has the following beneficial effects: (1) the gaps among the seven strands of outer strand steel wires are larger, so that rubber can be fully infiltrated into the core strand steel wires, point contact friction among the steel wires of all layers due to insufficient infiltration of rubber is avoided, and the problem that the bearing capacity of a steel cord is failed due to abrasion is further avoided;
(2) the invention improves the corrosion resistance, fatigue resistance, impact resistance and adhesion retention of the tire, and prolongs the service life of the tire.
Drawings
FIG. 1 is a schematic cross-sectional view of a steel cord for a multi-ply radial tire of the present invention;
fig. 2 is a schematic cross-sectional view of a steel cord commonly used in the prior art.
In the figure: 1. a core strand first layer of steel filaments; 2. a core strand second layer of steel filaments; 3. core strand steel wire; 5. outer ply strand wire; 7. the outer layer strands form first layer steel wires; 8. the outer ply is the second layer of steel filaments.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1, a steel cord for a 1+7 ply radial tire is formed by twisting a core strand steel wire 3 and seven outer strand steel wires 5, the cross section of the steel cord is circular, the seven outer strand steel wires 5 are twisted around the core strand steel wire 3, and a structure that the seven outer strand steel wires 5 are uniformly twisted around the core strand steel wire 3 is formed. The core strand steel wire 3 is formed by weaving and twisting three core strand first layer steel wires 1 and nine core strand second layer steel wires 2, and the nine core strand second layer steel wires 2 are woven and twisted around the three core strand first layer steel wires 1; the outer layer strand steel wire 5 is formed by weaving and twisting an outer layer strand first layer steel wire 7 and six outer layer strand second layer steel wires 8; the diameter of the first layer of steel wires 1 of the core strand is the same as that of the first layer of steel wires 7 of the outer layer strand, and the diameter range is 0.165-0.38 mm. The twisting directions of the steel wires in the core strand steel wire 3 and the outer layer strand steel wire 5 are opposite; the second layer of steel wire 2 of core thigh is the same with 8 lay lengths of outer layer thigh second layer steel wire, and the lay length of the first layer of steel wire 1 of core thigh is 0.5 times of the lay length of the first layer of steel wire 7 of outer layer thigh, and first layer steel wire a1 does not have the weaving and twisting in the outer layer thigh steel wire 5.
The invention overcomes the defects caused by unreasonable structural design of the steel cord by changing the structure of the steel cord, improves the strength, the glue permeability, the shock resistance and the fatigue resistance of the steel cord, reduces the air content between the steel cord strands of the tire, improves the strength grade of the tire cord and prolongs the service life of the tire.
In the present embodiment, the strength grades of the steel wires in the core strand steel wire 3 and the outer layer strand steel wire 5 are normal strength NT, high strength HT, ultra-high strength ST, ultra-high strength UT, or ultra-high strength MT; the invention is suitable for weaving and twisting steel wires with different strength grades of common strength NT, high strength HT, ultrahigh strength ST, ultrahigh strength UT or ultrahigh strength MT, and can improve the strength requirement, the glue permeation performance, the impact resistance and the fatigue resistance of the steel wire cord formed by weaving and twisting.
The first embodiment is as follows:
the diameter d1 of the steel wire in the core strand steel wire 3 is the same as the diameter d2 of the steel wire in the outer layer strand steel wire 5 in the embodiment, and the diameters of the steel wires in the first layer of the core strand steel wire 1, the second layer of the core strand steel wire 2 and the outer layer strand steel wire 5 in the core strand steel wire 3 are all 0.22 mm. The twisting pitch of the first layer of steel wires 1 of the core strand is 6.3mm, the twisting pitch of the second layer of steel wires 2 of the core strand is 12.5mm, and the twisting pitch of the second layer of steel wires 8 of the outer layer strand is 12.5 mm. The core strand steel wire 3 and the outer layer strand steel wire 5 adopt different twisting directions, the twisting direction of the core strand steel wire 3 is Z twisting, the twisting direction of the outer layer strand steel wire 5 is S twisting, and the cord thread twisting direction is Z twisting.
Table 1 is a table comparing the performance indexes of the 7 × 7 × 0.25+0.15HT structural steel cord commonly used in radial tires in the prior art and the first embodiment of the present invention:
TABLE 1
FIG. 2 is a schematic cross-sectional view of a 7 × 7 × D +0.15 structural steel cord commonly used in the prior art, and it can be seen from FIG. 1, FIG. 2 and Table 1 that the diameter of the 7 × 7 × 0.25+0.15HT structural steel cord is 2.52mm, the second layer of steel wires in the core strand steel wire D1 and the second layer of steel wires in the outer strand steel wire D2 are S-twisted, the six outer strand steel wires are Z-twisted, the twist direction of the outer winding steel wire D3 is S-twisted, the twist distances of the second layer of steel wires in the core strand steel wire D1 and the outer strand steel wire D2 are both 12.5mm, the twist distances of the six outer strand steel wires are 20.0mm, the twist distance of the outer winding steel wire D3 is 5.0mm, the breaking force is not less than 6350N, the cord diameter is 2.52mm, the breaking force/wire density is 320.7N/(/ g/m), and the adhesive force is 1650N/25 mm; the diameter of the steel cord wire of the first embodiment of the invention is 2.20mm, the twisting direction of the core strand steel wire D1 steel wire is Z twist, the twisting pitch is 6.3/12.5mm, the outer layer strand steel wire D2 steel wire is S twist, the twisting pitch is 12.5mm, the twisting pitch of the seven outer layer strand steel wires is 22.0mm, the breaking force is more than or equal to 6550N, the breaking force/linear density is 351.2N/(mm), and the adhesive force is more than or equal to 1700N/25 mm; compared with the prior art, the steel wire cord has the advantages that the steel wire strands with ultrahigh strength are adopted, and the strength, the glue permeation rate and the fatigue resistance of the steel wire cord are improved by increasing the number of the strands.
Example two:
in the embodiment, the diameter d1 of the steel wire in the core strand steel wire 3 is the same as the diameter d2 of the steel wire in the outer strand steel wire 5, and the diameters of the steel wires in the first layer of the core strand steel wire 1, the second layer of the core strand steel wire 2 and the outer strand steel wire 5 in the core strand steel wire 3 are all 0.22 mm; the twisting pitch of the first layer of steel wires 1 of the core strand is 6.3mm, the twisting pitch of the second layer of steel wires 2 of the core strand is 12.5mm, and the twisting pitch of the second layer of steel wires of the outer layer strand is 12.5 mm. The core strand steel wire 3 and the outer layer strand steel wire 5 adopt different twisting directions, the twisting direction of the core strand steel wire 3 is Z twisting, the twisting direction of the outer layer strand steel wire 5 is S twisting, and the cord twisting direction is Z twisting, and the steel cord structure of the embodiment 3+9 multiplied by 0.22+7 multiplied by 0.22 is used for the steel cord for the radial tire reinforcement of the engineering vehicle.
Table 2 is a table comparing the performance indexes of the 7 × 7 × 0.22+0.15HT structural steel cord commonly used in radial tires of the prior art and the second embodiment of the present invention:
TABLE 2
FIG. 2 is a schematic cross-sectional view of a 7 × 7 × D +0.15 structural steel cord commonly used in the prior art, and as can be seen from FIG. 1, FIG. 2 and Table 1, the diameter of the 7 × 7 × 0.22+0.15HT structural steel cord is 2.24mm, the second layer of steel wires in the core strand steel wires D1 and the second layer of steel wires in the outer strand steel wires D2 are S-twisted, the six outer strand steel wires are Z-twisted, the twist direction of the outer wrap steel wire D3 is S-twisted, the twist distances of the second layer of steel wires in the core strand steel wires D1 and the outer strand steel wires D2 are both 12.5mm, the twist distances of the six outer strand steel wires are 20.0mm, the twist distance of the outer wrap steel wire D3 is 5.0mm, the breaking force is not less than 5120N, the cord diameter is 2.24mm, the breaking force/linear density is 336.8N/(/ g/m), and the adhesive force is not less than 1550N/25 mm; the diameter of the steel cord wire of the first embodiment of the invention is 2.20mm, the twisting direction of the core strand steel wire D1 steel wire is Z twist, the twisting pitch is 6.3/12.5mm, the outer layer strand steel wire D2 steel wire is S twist, the twisting pitch is 12.5mm, the twisting pitch of the seven outer layer strand steel wires is 22.0mm, the breaking force is more than or equal to 6550N, the breaking force/linear density is 351.2N/(mm), and the adhesive force is more than or equal to 1700N/25 mm; compared with the prior art, the steel wire cord has the advantages that the steel wire strands with ultrahigh strength are adopted, and the strength, the glue permeation rate and the fatigue resistance of the steel wire cord are improved by increasing the number of the strands.
The comparison shows that when the radial tire with the same density is manufactured, the strength of the radial tire manufactured by the method is improved by 4-9.5% compared with the strength of the radial tire manufactured by the prior art, and the rubber permeability and the fatigue resistance of the cord are greatly improved. The invention can effectively reduce the production cost of the radial tire of the engineering vehicle and prolong the service life of the radial tire of the engineering vehicle.
The embodiments of the present invention are merely exemplary. According to different applications, the steel wires in the core strand steel wires D1 and the steel wires in the outer layer strand steel wires D2 can be matched by using different wire diameters and strengths, and the twisting direction is ZZ/S/Z or SS/Z/S according to the 3+9 × D1+7 × 7 × D2 structure of the invention.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a 1+7 strand steel cord for radial tire which characterized in that, includes core thigh strand wire steel wire (3) and outer thigh strand wire steel wire (5), outer thigh strand wire steel wire (5) are located along the circumferencial direction the outside of core thigh strand wire steel wire (3), core thigh strand wire (3) are twisted with fingers including at least three core thigh first layer steel wires (1) and at least nine core thigh second layer steel wires (2) and are formed, outer thigh strand wire (5) are twisted with fingers including at least one outer thigh first layer steel wire (7) and at least six outer thigh second layer steel wires (8) and are formed.
2. A multi-strand radial tire steel cord as claimed in claim 1, wherein said outer layer strand steel wires (5) are provided in at least seven groups, said outer layer strand steel wires (5) are twisted along the core strand steel wires (3) to form at least seven outer layer strand steel wires (5) uniformly twisted on one core strand steel wire (3).
3. A steel cord for a 1+7 ply radial tire according to claim 1 characterized in that the diameter of the core strand first layer steel filaments (1) is the same as that of the outer layer strand first layer steel filaments (7).
4. A steel cord for a 1+7 ply radial tire as claimed in claim 3, wherein the diameter of the core strand first layer steel wire (1) and the outer layer strand first layer steel wire (7) is in the range of 0.165 to 0.38 mm.
5. A steel cord for a 1+7 ply radial tire as claimed in claim 1, wherein said core strand steel wires (3) are twisted in the opposite direction to the steel wires in the outer layer strand steel wires (5).
6. A steel cord for a 1+7 ply radial tire according to claim 1 characterized in that said core strand second layer steel wires (2) have the same lay length as the outer layer strand second layer steel wires (8).
7. A steel cord for a 1+7 ply radial tire according to claim 1 characterized in that the lay length of the core strand first layer steel wires (1) is 0.5 times the lay length of the outer layer strand first layer steel wires (7).
8. A steel cord for a 1+7 ply radial tire according to claim 1, characterized in that the outer ply first layer steel wires (7) are free of braid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010343227.1A CN111535062A (en) | 2020-04-27 | 2020-04-27 | Steel wire cord for 1+ 7-ply radial tire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010343227.1A CN111535062A (en) | 2020-04-27 | 2020-04-27 | Steel wire cord for 1+ 7-ply radial tire |
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| Publication Number | Publication Date |
|---|---|
| CN111535062A true CN111535062A (en) | 2020-08-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010343227.1A Pending CN111535062A (en) | 2020-04-27 | 2020-04-27 | Steel wire cord for 1+ 7-ply radial tire |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112064384A (en) * | 2020-08-17 | 2020-12-11 | 中铁大桥勘测设计院集团有限公司 | Arrangement structure and arrangement method before extrusion and rounding of main cable of suspension bridge |
| CN112323524A (en) * | 2020-09-29 | 2021-02-05 | 郑州大学 | Nickel-titanium alloy wire rope and production process thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204435057U (en) * | 2015-01-12 | 2015-07-01 | 江苏亚盛金属制品有限公司 | A kind of railway impregnate with bitumen type composite steel wire rope |
| CN106351044A (en) * | 2016-08-22 | 2017-01-25 | 江苏兴达钢帘线股份有限公司 | Ten-strand all-steel cord of (3+9)+8*(1+6)+1 structure |
| US20170211229A1 (en) * | 2014-07-28 | 2017-07-27 | Bridgestone Corporation | Steel cord for reinforcing rubber article |
| US20190225018A1 (en) * | 2014-07-28 | 2019-07-25 | Bridgestone Corporation | Steel cord for reinforcing rubber article |
| CN212670123U (en) * | 2020-04-27 | 2021-03-09 | 江苏兴达钢帘线股份有限公司 | Steel wire cord for 1+ 7-ply radial tire |
-
2020
- 2020-04-27 CN CN202010343227.1A patent/CN111535062A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170211229A1 (en) * | 2014-07-28 | 2017-07-27 | Bridgestone Corporation | Steel cord for reinforcing rubber article |
| US20190225018A1 (en) * | 2014-07-28 | 2019-07-25 | Bridgestone Corporation | Steel cord for reinforcing rubber article |
| CN204435057U (en) * | 2015-01-12 | 2015-07-01 | 江苏亚盛金属制品有限公司 | A kind of railway impregnate with bitumen type composite steel wire rope |
| CN106351044A (en) * | 2016-08-22 | 2017-01-25 | 江苏兴达钢帘线股份有限公司 | Ten-strand all-steel cord of (3+9)+8*(1+6)+1 structure |
| CN212670123U (en) * | 2020-04-27 | 2021-03-09 | 江苏兴达钢帘线股份有限公司 | Steel wire cord for 1+ 7-ply radial tire |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112064384A (en) * | 2020-08-17 | 2020-12-11 | 中铁大桥勘测设计院集团有限公司 | Arrangement structure and arrangement method before extrusion and rounding of main cable of suspension bridge |
| CN112064384B (en) * | 2020-08-17 | 2021-11-30 | 中铁大桥勘测设计院集团有限公司 | Arrangement structure and arrangement method before extrusion and rounding of main cable of suspension bridge |
| CN112323524A (en) * | 2020-09-29 | 2021-02-05 | 郑州大学 | Nickel-titanium alloy wire rope and production process thereof |
| CN112323524B (en) * | 2020-09-29 | 2023-03-21 | 郑州大学 | Nickel-titanium alloy wire rope and production process thereof |
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