CN113514101B - Detection and analysis method for steel cord fabric - Google Patents
Detection and analysis method for steel cord fabric Download PDFInfo
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- CN113514101B CN113514101B CN202110704119.7A CN202110704119A CN113514101B CN 113514101 B CN113514101 B CN 113514101B CN 202110704119 A CN202110704119 A CN 202110704119A CN 113514101 B CN113514101 B CN 113514101B
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- 239000004744 fabric Substances 0.000 title claims abstract description 110
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 79
- 239000010959 steel Substances 0.000 title claims abstract description 79
- 238000001514 detection method Methods 0.000 title claims abstract description 32
- 238000004458 analytical method Methods 0.000 title claims abstract description 11
- 238000003490 calendering Methods 0.000 claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 claims abstract description 12
- 238000005070 sampling Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims description 25
- 238000005520 cutting process Methods 0.000 claims description 24
- 101100008044 Caenorhabditis elegans cut-1 gene Proteins 0.000 claims description 8
- 230000002159 abnormal effect Effects 0.000 claims description 8
- 238000012360 testing method Methods 0.000 claims description 7
- 238000005096 rolling process Methods 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 4
- 238000003892 spreading Methods 0.000 claims description 4
- 230000007306 turnover Effects 0.000 claims description 4
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
- G01N2001/2873—Cutting or cleaving
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- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
The invention discloses a detection and analysis method of a steel cord fabric, which comprises the following steps: (1) Selecting steel cords to produce steel cord fabrics, and recording calendaring parameters; (2) sampling; (3) measuring the height of the steel cord fabric sample right-angle warping head; (4) Dividing a steel cord sample from two sides to the middle along the transverse direction according to a certain width to form a strip sample; (5) dividing the strip sample into four equal parts by strokes; (6) detecting cord data of the strip-shaped sample; (7) detecting the cord data of the 1/2 bar sample; (8) detecting the cord data of the 1/4 bar sample; (9) Analyzing the steel cord product according to the cord data and correspondingly adjusting and optimizing; the detection and analysis method for the steel cord fabric provided by the invention can accurately detect the arc height and the change direction of the residual twist of the fabric, is convenient for a worker to accurately correct the steel cord in time in the production process, and improves the production efficiency of the subsequent fabric.
Description
Technical Field
The invention relates to the technical field of tires, in particular to a detection and analysis method of a steel cord fabric.
Background
With the rapid development of the automobile industry, the demand of tires is continuously increased, higher requirements are put forward on the performance and quality of steel cords, the steel cords are the most developed products in rubber framework materials, and are the most difficult products to produce in metal products, the steel cords are required to be prepared into the cord fabric through a subsequent calendaring process, the condition that the cord fabric is warped when the cord fabric is used can occur, the existing steel cord detection method can only detect basic data in production, the phenomenon of residual torsion and arc height occurring in the use of the cord fabric can only be regulated through production experience after feedback of clients, the steel cords cannot be corrected timely and accurately, the production of subsequent cord fabrics is influenced, and the production efficiency is reduced.
Disclosure of Invention
In view of the above, the present invention provides a method for detecting and analyzing a steel cord fabric to solve the above-mentioned technical problems.
The technical scheme adopted for solving the technical problems is as follows:
a detection and analysis method of a steel cord fabric comprises the following steps:
(1) Selecting a steel cord with a certain specification, preparing the steel cord into a steel cord fabric through a calendaring process, and recording calendaring parameters for producing the steel cord fabric;
(2) Sampling the prepared steel cord fabric according to a certain longitudinal length, taking a first roll from a sample of a test-prepared middle sample, taking a second roll from a sample of a production large sample, and keeping the steel cord fabric sample flat during sampling;
(3) Spreading the steel cord fabric sample on a detection table in the horizontal direction, measuring and recording the right-angle head raising heights of four end angles of the front surface and the back surface of the steel cord fabric sample by adopting a ruler vertical to the detection table;
(4) Dividing steel cord samples from two sides to the middle according to a certain width in the transverse direction according to the cord density to form strip-shaped samples, and sequentially arranging and numbering the strip-shaped samples;
(5) Dividing the strip-shaped sample into four equal parts by strokes, and sequentially detecting curtain cloth data of the strip-shaped sample, the 1/2 strip-shaped sample and the 1/4 strip-shaped sample;
(6) Cord data of strip samples were tested: fixing one end of a strip sample on a detection table in the vertical direction, enabling the strip sample to be vertical downwards naturally, measuring and recording the right-angle head-raising heights of two end angles of the bottom AB of the strip sample by adopting a ruler vertical to the detection table, and measuring and recording the right-angle head-raising heights of two end angles of the bottom CD of the turn-over bottom after the strip sample is turned over;
(7) Cord data of 1/2 bar samples were tested: cutting the strip-shaped sample from a half line of the middle part by adopting a cutting machine, adhering the cut ends of the cut 1/2 strip-shaped sample together, detecting curtain cloth data of the 1/2 strip-shaped sample according to the operation method of the step (6), recording right-angle warping heights of the bottom AB and the turned bottom CD, and recording;
(8) Cord data of 1/4 bar samples were tested: cutting the strip-shaped sample from a quarter line by adopting a cutting machine, adhering the corresponding cutting ends of the cut 1/4 strip-shaped sample together, detecting the curtain cloth data of the 1/4 strip-shaped sample according to the operation method of the step (6), recording the right-angle head-warping heights of the bottom AB and the turned bottom CD, and recording;
(9) Checking the curtain fabric condition of the strip-shaped sample, photographing the abnormal curtain fabric, measuring abnormal condition data, cleaning the strip-shaped sample after detection, collecting and finishing curtain fabric data, analyzing the steel curtain wire product according to the curtain fabric data, and correspondingly adjusting and optimizing.
Further, the calendering parameters of the step (1) include roller temperature, speed ratio, speed, tension, cord thickness, cord density, cord specification, cord batch and winding length.
Further, the length of the steel cord sample of step (2) is 1m.
Further, the steel cord fabric sample in the step (4) is divided into strip-shaped samples by a cutting knife, the width of the strip-shaped samples is 8cm, and the strip-shaped curtain fabric with the middle less than 8cm is not subjected to data testing.
Furthermore, the middle overlapped part of the 1/2 strip-shaped samples in the step (7) is 1cm, the 1/2 strip-shaped samples are required to be kept straight integrally when being adhered, and the adhering methods of a plurality of groups of 1/2 strip-shaped samples are kept consistent.
Further, the middle overlapped part of the 1/4 strip-shaped samples in the step (8) is 1cm, the 1/4 strip-shaped samples are required to be kept straight integrally when being adhered, and the adhering methods of a plurality of groups of 1/4 strip-shaped samples are kept consistent.
The beneficial effects of the invention are as follows:
According to the detection and analysis method for the steel cord curtain cloth, provided by the invention, a worker can test the steel cord as the curtain cloth for analysis and detection, samples provided by customers can be directly analyzed and detected, the warping height data of the steel cord curtain cloth can be accurately detected, the curtain cloth is cut into 1m strip-shaped samples, the worker can conveniently judge whether the residual torsion and the arc height phenomenon exist in the steel cord, and then the strip-shaped samples are respectively cut into 1/2 and 1/4 curtain cloth, so that the arc height and the residual torsion change direction of the curtain cloth can be accurately detected, the steel cord can be accurately corrected in time in the production process of the worker, and the production efficiency of the follow-up curtain cloth is improved.
Detailed Description
The invention provides a detection and analysis method of a steel cord fabric, which comprises the following steps:
(1) Selecting a steel cord with a certain specification, preparing the steel cord into a steel cord fabric through a calendaring process, and recording calendaring parameters for producing the steel cord fabric, wherein the calendaring parameters comprise roller temperature, speed ratio, speed, tension, cord fabric thickness, cord fabric density, cord fabric specification, cord fabric batch and rolling length;
(2) Sampling the prepared steel cord fabric according to the longitudinal length of 1m, taking a first roll from a sample of a test sample, taking a second roll from a sample for producing a large sample, and keeping the steel cord fabric sample flat during sampling;
(3) Spreading the steel cord fabric sample on a detection table in the horizontal direction, measuring and recording the right-angle head raising heights of four end angles of the front surface and the back surface of the steel cord fabric sample by adopting a ruler vertical to the detection table;
(4) Dividing the steel cord fabric samples from two sides to the middle in the transverse direction by adopting a cutting knife according to the cord density to form strip-shaped samples, wherein the width of each strip-shaped sample is 8cm, arranging and numbering the strip-shaped samples in sequence, and not testing the data of the strip-shaped cord fabrics with the middle less than 8 cm;
(5) Dividing the strip-shaped sample into four equal parts by strokes, and sequentially detecting curtain cloth data of the strip-shaped sample, the 1/2 strip-shaped sample and the 1/4 strip-shaped sample;
(6) Cord data of strip samples were tested: fixing one end of a strip sample on a detection table in the vertical direction, enabling the strip sample to be vertical downwards naturally, measuring and recording the right-angle head-raising heights of two end angles of the bottom AB of the strip sample by adopting a ruler vertical to the detection table, and measuring and recording the right-angle head-raising heights of two end angles of the bottom CD of the turn-over bottom after the strip sample is turned over;
(7) Cord data of 1/2 bar samples were tested: cutting the strip-shaped samples from a half line of the middle by adopting a cutting machine, adhering the cut ends of the cut 1/2 strip-shaped samples together, wherein the middle overlapped part of the 1/2 strip-shaped samples is 1cm, the 1/2 strip-shaped samples are required to be kept straight integrally when adhered, the adhering methods of a plurality of groups of 1/2 strip-shaped samples are kept consistent, detecting curtain cloth data of the 1/2 strip-shaped samples according to the operation method of the step (6), recording right-angle head-warping heights of the bottom AB and the turned bottom CD, and recording;
(8) Cord data of 1/4 bar samples were tested: cutting the strip-shaped samples from a quarter line by adopting a cutting machine, adhering the corresponding cutting ends of the cut 1/4 strip-shaped samples together, wherein the middle overlapped part of the 1/4 strip-shaped samples is 1cm, the 1/4 strip-shaped samples are required to be kept straight integrally when adhered, the adhering methods of a plurality of groups of 1/4 strip-shaped samples are kept consistent, detecting curtain cloth data of the 1/4 strip-shaped samples according to the operation method of the step (6), recording right-angle head-warping heights of the bottom AB and the turned bottom CD, and recording;
(9) Checking the curtain fabric condition of the strip-shaped sample, photographing the abnormal curtain fabric, measuring abnormal condition data, cleaning the strip-shaped sample after detection, collecting and finishing curtain fabric data, analyzing the steel curtain wire product according to the curtain fabric data, and correspondingly adjusting and optimizing.
Examples
The steel cord sample adopted in this embodiment has a steel cord specification of 3×0.20+6×0.35ht, and the method for detecting and analyzing the steel cord comprises the following steps:
(1) Selecting a steel cord with the specification of 3 x 0.20+6 x 0.35HT, preparing the steel cord into a steel cord fabric through a rolling process, recording rolling parameters for producing the steel cord fabric, wherein the rolling parameters are that the roller temperature is 75-80 ℃, the speed ratio is 0.8-1.03, the speed is 25 m/min, the tension is 1000N, the cord fabric thickness is 2.0mm, the cord fabric density is 55 (the cord number of each 10cm cord fabric), the rolling length is 280m, the steel cord fabric is normally rolled, no jumper wire or thin line exists, and the tail line is normal;
(2) Sampling the prepared steel cord fabric according to the longitudinal length of 1m, taking a first roll from a sample of a test sample, taking a second roll from a sample for producing a large sample, and keeping the steel cord fabric sample flat during sampling;
(3) Spreading the steel cord fabric sample on a detection table in the horizontal direction, measuring and recording the right-angle head raising heights of four end angles on the front side and the back side of the steel cord fabric sample by adopting a ruler vertical to the detection table, wherein the front side of the steel cord fabric sample is 4mm in the lower left corner, 0mm in the lower right corner, 9mm in the upper right corner and 0mm in the upper left corner, and the back side of the steel cord fabric sample is 3mm in the lower left corner, 0mm in the lower right corner, 2mm in the upper right corner and 0mm in the upper left corner;
(4) Dividing the steel cord fabric samples from two sides to the middle in the transverse direction by adopting a cutting knife according to the cord density to form strip-shaped samples, wherein the width of each strip-shaped sample is 8cm, arranging and numbering the strip-shaped samples in sequence, and carrying out no data test on the strip-shaped fabrics with the middle less than 8cm for 12 groups of strip-shaped samples;
(5) Dividing the strip-shaped sample into four equal parts by strokes, and sequentially detecting curtain cloth data of the strip-shaped sample, the 1/2 strip-shaped sample and the 1/4 strip-shaped sample;
(6) Cord data of strip samples were tested: fixing one end of a strip sample on a detection table in the vertical direction, enabling the strip sample to be vertical downwards naturally, measuring and recording the right-angle head-raising heights of two end angles of the bottom AB of the strip sample by adopting a ruler vertical to the detection table, and measuring and recording the right-angle head-raising heights of two end angles of the bottom CD of the turn-over bottom after the strip sample is turned over;
(7) Cord data of 1/2 bar samples were tested: cutting the strip-shaped samples from a half line of the middle by adopting a cutting machine, adhering the cut ends of the cut 1/2 strip-shaped samples together, wherein the middle overlapped part of the 1/2 strip-shaped samples is 1cm, the 1/2 strip-shaped samples are required to be kept straight integrally when adhered, the adhering methods of a plurality of groups of 1/2 strip-shaped samples are kept consistent, detecting curtain cloth data of the 1/2 strip-shaped samples according to the operation method of the step (6), recording right-angle head-warping heights of the bottom AB and the turned bottom CD, and recording;
(8) Cord data of 1/4 bar samples were tested: cutting the strip-shaped samples from a quarter line by adopting a cutting machine, adhering the corresponding cutting ends of the cut 1/4 strip-shaped samples together, wherein the middle overlapped part of the 1/4 strip-shaped samples is 1cm, the 1/4 strip-shaped samples are required to be kept straight integrally when adhered, the adhering methods of a plurality of groups of 1/4 strip-shaped samples are kept consistent, detecting curtain cloth data of the 1/4 strip-shaped samples according to the operation method of the step (6), recording right-angle head-warping heights of the bottom AB and the turned bottom CD, and recording;
(9) Checking the curtain fabric condition of the strip-shaped sample, photographing the abnormal curtain fabric, measuring abnormal condition data, cleaning the strip-shaped sample after detection, collecting and finishing curtain fabric data, analyzing the steel curtain wire product according to the curtain fabric data, and correspondingly adjusting and optimizing.
The cord data for the bar samples are shown in table 1:
table 1: cord data of strip sample
The data of the 1/2 bar samples are shown in Table 2:
table 2: cord data for 1/2 strip samples
Cord fabric numbering | A(mm) | B(mm) | C(mm) | D(mm) |
1 | 36 | 15 | 16 | 0 |
2 | 28 | 15 | 8 | 0 |
3 | 35 | 15 | 16 | 0 |
4 | 28 | 16 | 9 | 0 |
5 | 43 | 30 | 6 | 0 |
6 | 49 | 30 | 14 | 0 |
7 | 25 | 14 | 11 | 0 |
8 | 40 | 28 | 13 | 0 |
9 | 35 | 24 | 10 | 0 |
10 | 37 | 26 | 7 | 0 |
11 | 35 | 26 | 6 | 0 |
12 | 55 | 29 | 24 | 0 |
The data of the 1/4 bar samples are shown in Table 3:
Table 3: cord data for 1/4 strip samples
Cord fabric numbering | A(mm) | B(mm) | C(mm) | D(mm) |
1 | 38 | 0 | 41 | 3 |
2 | 30 | 2 | 31 | 0 |
3 | 41 | 0 | 47 | 6 |
4 | 35 | 6 | 33 | 0 |
5 | 38 | 8 | 29 | 0 |
6 | 50 | 13 | 35 | 0 |
7 | 31 | 2 | 29 | 0 |
8 | 43 | 13 | 30 | 0 |
9 | 40 | 7 | 31 | 0 |
10 | 40 | 11 | 29 | 0 |
11 | 43 | 13 | 30 | 0 |
12 | 57 | 19 | 35 | 0 |
As can be seen from tables 1-3, after the steel cord in the embodiment of the invention is used for preparing the cord fabric through a calendaring process, the 1m cord fabric formed by cutting has slight positive direction residual torsion and arc height phenomenon, the cord fabric cut by 1/2 and 1/4 is gradually changed to negative direction, the cut cord fabric has negative direction residual torsion release, meanwhile, the cut cord fabric has slight downward bending phenomenon, the unreeling direction is opposite to calendaring and reeling, the stitching is normal, the turning surface has 10-14mm negative direction warp, and the detection and analysis method of the steel cord fabric can accurately detect the arc height and the residual torsion change direction of the cord fabric, thereby being convenient for staff to correct the steel cord in time and accurately in the production process and improving the production efficiency of the subsequent cord fabric.
While the foregoing is directed to the preferred embodiment of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (3)
1. The detection and analysis method for the steel cord fabric is characterized by comprising the following steps of:
(1) Selecting a steel cord with a certain specification, preparing the steel cord into a steel cord fabric through a calendaring process, and recording calendaring parameters for producing the steel cord fabric, wherein the calendaring parameters comprise roller temperature, speed ratio, speed, tension, cord fabric thickness, cord fabric density, cord fabric specification, cord fabric batch and rolling length;
(2) Sampling the prepared steel cord fabric according to a certain longitudinal length, taking a first roll from a sample of a test-prepared middle sample, taking a second roll from a sample of a production large sample, and keeping the steel cord fabric sample flat during sampling;
(3) Spreading the steel cord fabric sample on a detection table in the horizontal direction, measuring and recording the right-angle head raising heights of four end angles of the front surface and the back surface of the steel cord fabric sample by adopting a ruler vertical to the detection table;
(4) Dividing steel cord samples from two sides to the middle according to a certain width in the transverse direction according to the cord density to form strip-shaped samples, and sequentially arranging and numbering the strip-shaped samples;
(5) Dividing the strip-shaped sample into four equal parts by strokes, and sequentially detecting curtain cloth data of the strip-shaped sample, the 1/2 strip-shaped sample and the 1/4 strip-shaped sample;
(6) Cord data of strip samples were tested: fixing one end of a strip sample on a detection table in the vertical direction, enabling the strip sample to be vertical downwards naturally, measuring and recording the right-angle head-raising heights of two end angles of the bottom AB of the strip sample by adopting a ruler vertical to the detection table, and measuring and recording the right-angle head-raising heights of two end angles of the bottom CD of the turn-over bottom after the strip sample is turned over;
(7) Cord data of 1/2 bar samples were tested: cutting the strip sample from one half line of the middle part by a cutting machine, adhering the cut ends of the cut 1/2 strip sample together, detecting the curtain cloth data of the 1/2 strip sample according to the operation method of the step (6), recording the right-angle head-raising heights of the bottom AB and the turned bottom CD, recording,
The middle overlapping part of the 1/2 strip-shaped samples is 1cm, the 1/2 strip-shaped samples are kept straight integrally when being adhered, and the adhering methods of a plurality of groups of 1/2 strip-shaped samples are kept consistent;
(8) Cord data of 1/4 bar samples were tested: cutting the strip sample from the quarter line by a cutting machine, adhering the corresponding cutting ends of the cut 1/4 strip sample together, detecting the curtain cloth data of the 1/4 strip sample according to the operation method of the step (6), recording the right-angle head-warping heights of the bottom AB and the turned bottom CD, recording,
The middle overlapping part of the 1/4 strip-shaped samples is 1cm, the 1/4 strip-shaped samples are kept straight integrally when being adhered, and the adhering methods of a plurality of groups of 1/4 strip-shaped samples are kept consistent;
(9) Checking the curtain fabric condition of the strip-shaped sample, photographing the abnormal curtain fabric, measuring abnormal condition data, cleaning the strip-shaped sample after detection, collecting and finishing curtain fabric data, analyzing the steel curtain wire product according to the curtain fabric data, and correspondingly adjusting and optimizing.
2. The method of claim 1, wherein the steel cord sample of step (2) has a length of 1m.
3. The method for detecting and analyzing the steel cord fabric according to claim 1, wherein the steel cord fabric sample in the step (4) is divided into strip-shaped samples by a cutter, the width of the strip-shaped samples is 8cm, and the strip-shaped fabric with the middle less than 8cm is not subjected to data testing.
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US5294973A (en) * | 1992-11-27 | 1994-03-15 | Bridgestone/Firestone, Inc. | Method and apparatus for determining body ply cord distribution |
CN101762444A (en) * | 2009-12-30 | 2010-06-30 | 江苏兴达钢帘线股份有限公司 | Steel cord glue permeation rate detection method and device |
CN202631403U (en) * | 2012-06-21 | 2012-12-26 | 三角轮胎股份有限公司 | Rolling cord fabric surface viscosity online detection device |
KR101292321B1 (en) * | 2013-04-16 | 2013-07-31 | (주) 태성 | Rubber reinforced steel cord tester |
CN108507710A (en) * | 2017-02-28 | 2018-09-07 | 东台磊达钢帘线有限公司 | The test method of steel cord Residual torsion |
CN110926963A (en) * | 2019-11-22 | 2020-03-27 | 张家港市骏马钢帘线有限公司 | Test equipment and method for simulating calendering condition of steel cord |
-
2021
- 2021-06-24 CN CN202110704119.7A patent/CN113514101B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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US5294973A (en) * | 1992-11-27 | 1994-03-15 | Bridgestone/Firestone, Inc. | Method and apparatus for determining body ply cord distribution |
CN101762444A (en) * | 2009-12-30 | 2010-06-30 | 江苏兴达钢帘线股份有限公司 | Steel cord glue permeation rate detection method and device |
CN202631403U (en) * | 2012-06-21 | 2012-12-26 | 三角轮胎股份有限公司 | Rolling cord fabric surface viscosity online detection device |
KR101292321B1 (en) * | 2013-04-16 | 2013-07-31 | (주) 태성 | Rubber reinforced steel cord tester |
CN108507710A (en) * | 2017-02-28 | 2018-09-07 | 东台磊达钢帘线有限公司 | The test method of steel cord Residual torsion |
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