CN1755344A - Method of measuring glue permeability for steel cord calendered article - Google Patents
Method of measuring glue permeability for steel cord calendered article Download PDFInfo
- Publication number
- CN1755344A CN1755344A CNA2005100707070A CN200510070707A CN1755344A CN 1755344 A CN1755344 A CN 1755344A CN A2005100707070 A CNA2005100707070 A CN A2005100707070A CN 200510070707 A CN200510070707 A CN 200510070707A CN 1755344 A CN1755344 A CN 1755344A
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- CN
- China
- Prior art keywords
- steel cord
- filament
- test film
- calendered article
- calendered
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/005—Electromagnetic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0278—Thin specimens
- G01N2203/0282—Two dimensional, e.g. tapes, webs, sheets, strips, disks or membranes
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- 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)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Tires In General (AREA)
- Ropes Or Cables (AREA)
Abstract
A method for measuring permeation of rubber into a rolled steel cord is provided. A rubber permeation measuring method of a rolled steel cord sample(1) consisting of three or more filaments(10) using a drawing tester comprises the steps of: removing a peripheral rubber layer(2) and outermost coaxial filament(10c) from an upper portion(1a) of the sample, and the peripheral rubber layer and intermediate and innermost coaxial filaments(10b,10a) from a lower portion(1b) of the sample while remaining a longitudinal central portion(1C) of the sample in its original state; and pulling the upper and lower portions of the sample in opposite directions, to estimate the drawing strength of the sample.
Description
Technical field
The characteristic that the present invention relates to the steel cord calendered article of a kind of belt portion of the main strengthening material that pneumatic tyre is used or carcass portion is carried out method for measuring, in more detail, the method of measuring glue permeability that relates to a kind of following steel cord calendered article can be estimated the stretching resistance because of the sizing material amount of infiltration in the all-steel cord strengthening material that is entwined by many filaments when the rubberizing operation in the method easily.
Background technology
Usually, when making tire, so-called calendering (Calendering) operation refers to, the operation of sticking certain thickness sizing material on the two sides of unprocessed wirecord fabric, and the strengthening material of this unprocessed wirecord fabric is through manufacturing the steel cord calendered article of rubberizing behind this calendering procedure.
Further, manufacturing forms the all-steel cord strengthening material through calendering procedure, it is the upper and lower part of benchmark that all-steel cord and certain thickness sizing material plate are arranged on the all-steel cord, pass through stack, through such operation, the section that forms with rolled products is benchmark embeds all-steel cord in sizing material a form.
At this moment, though the inherent characteristic of all-steel cord that uses or sizing material to the having the greatest impact of the basic physical characteristics of rolled products, the speed of calendering procedure or pressure etc. are also given many influences.
That is to say, even use the same all-steel cord and the rolled products of sizing material, because its characteristic of variation of calendering processing conditions also can change, in the characteristic that so changes as representational be about the sizing material amount of infiltration in all-steel cord root inside, infiltration capacity is many more, and the rolled products not intensity of sulfided state (Green strength) is just big more.
The intensity increase can improve whole dimensional stability and the goods rigidity on the tire finished product, the final like this endurance life that can increase tire.
Above-mentioned sizing material perviousness is a crucial process owing to the quality to tire has considerable influence so estimate the sizing material perviousness.
In the prior art, for the perviousness between the sizing material cord of estimating the steel cord calendered article of making through calendering procedure, use be that a side of the cord after rubberizing applies atmospheric pressure, estimate the decompression degree methods of an opposite side.
Yet, because the deviation of value is very big, so can not distinguish characteristic according to the rolled products of rolling condition.Therefore, many researchists or tire production company and cord production company are in a kind of state that can not get bigger help in the judgement of essence.
Summary of the invention
The present invention considers above-mentioned the problems of the prior art and proposes, the purpose of this invention is to provide a kind of when the sizing material perviousness of steel cord calendered article is tested, owing to can estimate the method for measuring glue permeability of the steel cord calendered article that effectively utilizes so finally can be used as the basic evaluation data of the endurance quality raising that can make tire easily.
To achieve these goals, the method of measuring glue permeability of steel cord calendered article of the present invention uses the steel cord calendered article test film by the one-tenth of the filament group more than three groups, estimate tensile strength by cupping machine, in this assay method, the described steel cord calendered article test film of at first following making: last, remove peripheral compound and peripheral filament on the certain-length of bottom respectively, wherein, in described top, remove peripheral compound and outermost concentric filament, on described bottom, remove peripheral compound, middle filament and the most inboard concentric filament with one heart, the middle body of the length direction of this steel cord calendered article test film keeps the peripheral compound that posted and whole filament groups as it is, then, on this test film, the bottom is fixed on the cupping machine, stretch from both sides, estimate tensile strength.
Description of drawings
Shown in Figure 1 is according to the test film that is used for measuring the infiltrative steel cord calendered article of sizing material of steel cord calendered article of the present invention;
Fig. 2 is the amplification profile along I-I line among Fig. 1.
Embodiment
Below, the present invention is described in detail with reference to the accompanying drawings.
Shown in Figure 1 is according to the test film that is used for measuring the infiltrative steel cord calendered article of sizing material of steel cord calendered article of the present invention, and Fig. 2 is the amplification profile along I-I line among Fig. 1.
The method of measuring glue permeability of steel cord calendered article of the present invention uses the steel cord calendered article test film of being made up of the filament group 10 more than three groups 1, estimate tensile strength by cupping machine, in this assay method, the described steel cord calendered article test film 1 of at first following making: last, bottom 1a, remove peripheral compound 2 and peripheral filament on the certain-length of 1b, wherein, on described top 1a, remove peripheral compound 2 and outermost concentric filament 10c, on described bottom 1b, remove peripheral compound 2, middle filament and the most inboard concentric filament 10b with one heart, 10a, the middle body 1c of this steel cord calendered article test film 1 length direction keeps the peripheral compound 2 that posted and whole filament groups 10 as it is, then, on this test film 1, bottom 1a, 1b is fixed on the cupping machine, stretch from both sides, estimate tensile strength thus.
Usually, all-steel cord is a kind of three groups of shapes that above filament twines.At this moment, so-called sizing material by calendering procedure infiltration is meant, squeezes into the amount or the degree of the sizing material between the filament of winding because of the pressure between the stack, friction, interval and rolling velocity.In the present invention, the special equipment such as evaluating apparatus that reduce pressure significantly even without existing ability to see things in their true light also can be realized by easy test film manufacturing estimating.
For example, by as shown in Figure 2, structure all-steel cord filament group 10 is under the structure situation of 3+8+13 root, integral body is made of 25 filaments, usually, 3 concentric filament 10a the most inboard are placed in the middle, and 8 concentric filament 10b in centre together are wrapped in its periphery, at last, 13 outermost concentric filament 10c are centered around outermost and twine.At this moment, the cord of preparing about 1 15cm that posts sizing material 2 is used as after the test film 1 of rolled products, and upper and lower part 1a, 1b remove rubberizing sizing material 2 parts of 5cm separately.In the all-steel cord part of upper and lower part 1a, 1b after removing separately, at first on the cord of top 1a, remove 13 outermost concentric filament 10c of periphery, next, removing remaining 11 except 13 the outermost concentric filament 10c on the 1b of bottom.
Generally, the 5cm of middle central portion 1c is 25 filaments and rubberizing or state that the sizing material 2 that permeated keeps as it is, and each 5cm of upper and lower part 1a, 1b partly is 12 filaments of upside reservation, 13 filaments of downside reservation.Ready test film like this in being in the container that is not applied with pressure state, only vulcanizes the sizing material part under suitable curing temperature as it is.
At this, when in container described test film 1 being vulcanized, the curing temperature so that described sizing material 2 is fit under the state of not exerting pressure more than the certain time (t90), vulcanizes.
The test film of so making, upper and lower part 1a, 1b filament that the cupping machine of use Instron company is made from the both sides stretching are measured tensile strength.
Like this value of measuring even subtle difference all clearly distinguishes by the difference of tensile strength, thereby also just can carry out the evaluation of the sizing material infiltration capacity of rolled products easily.
Below, the present invention is described in detail by embodiment.But the present invention is not limited to these embodiment.
(embodiment 1)
Prepare test film 1,, in the cupping machine that Instron company makes, measure tensile strength according to test method as hereinbefore as following table 1 embodiment 1.
By the result of embodiment 1 as can be known, although be worth very little, but there are differences with the standard deviation (2.7) of the sizing material permeability test of the big prior art of deviation, little deviation (0.9) shows that the deviation between the test film is little, the intrinsic perviousness of this rolled products is accurate.
That is to say, can derive and to carry out the result that essence is judged to the sizing material perviousness.
(embodiment 2)
In embodiment 2, extend to 10cm by testing the position by 5cm, to confirm thus whether the result of variations of deviation is credible.From the result of embodiment 2, can know, show with the result of embodiment 1 and compare bigger value on aspect the deviation, also do not have bigger variation.Compare with the comparative example of prior art equally, express very good result.
Table 1
| The 3+8+15 filament | The prior art comparative example | Embodiments of the invention 1 | Embodiments of the |
| The test film shape | 10cm | Go up (5cm)+in (5cm)+down (5cm) | Go up (5cm)+in (10cm)+down (5cm) |
| Unit | Bar (crust) | Kgf (kilogram) | Kgf (kilogram) |
| Test film 1 | 1.7 | 25.0 | 65.1 |
| | 8.4 | 26.3 | 66.9 |
| Test film 3 | 3.2 | 24.8 | 64.7 |
| Test film 4 | 4.2 | 26.0 | 64.3 |
| Test film 5 | 1.5 | 23.7 | 65.8 |
| Test film 6 | 6.2 | 25.2 | 67.1 |
| On average | 4.2 | 25.2 | 65.7 |
| Standard deviation | 2.7 | 0.9 | 1.2 |
As mentioned above, the advantage of the method for measuring glue permeability of steel cord calendered article of the present invention is, in tire calendering procedure, can estimate the sizing material that is penetrated into all-steel cord easily, like this, just can be finally effectively utilize widely as the basic evaluation data of the endurance quality that helps improving tire.
Claims (2)
1. the method for measuring glue permeability of a steel cord calendered article uses the steel cord calendered article test film of being made up of the filament group (10) more than three groups (1), estimates tensile strength by cupping machine, it is characterized in that,
The described steel cord calendered article test film of at first following making (1): last, bottom (1a, remove peripheral compound (2) and peripheral filament on certain-length 1b), wherein, go up removal peripheral compound (2) and outermost concentric filament (10c) at described top (1a), go up removal peripheral compound (2) at described bottom (1b), middle filament and the most inboard concentric filament (10b with one heart, 10a), the middle body (1c) of the length direction of described steel cord calendered article test film (1) keeps the peripheral compound (2) that posted and whole filament groups (10) as it is, then, on described test film (1), bottom (1a, 1b) be fixed on the cupping machine, stretch from both sides, estimate tensile strength thus.
2. the method for measuring glue permeability of steel cord calendered article as claimed in claim 1, it is characterized in that, in container to described test film (1) when vulcanizing, suitable curing temperature with sizing material (2), under the state of not exerting pressure more than the certain time (t90), vulcanize.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020040077878A KR100642993B1 (en) | 2004-09-30 | 2004-09-30 | Rubber penetration measurement method of steel cord topping rubber |
| KR200477878 | 2004-09-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1755344A true CN1755344A (en) | 2006-04-05 |
| CN100483103C CN100483103C (en) | 2009-04-29 |
Family
ID=36688768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100707070A Expired - Fee Related CN100483103C (en) | 2004-09-30 | 2005-05-17 | Method of measuring glue permeability for steel cord calendered article |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100642993B1 (en) |
| CN (1) | CN100483103C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101907539A (en) * | 2010-07-30 | 2010-12-08 | 河南恒星科技股份有限公司 | Steel cord stress detection device and method |
| CN112590272A (en) * | 2020-12-22 | 2021-04-02 | 德州玲珑轮胎有限公司 | Method for detecting tire body glue permeation |
| CN113969511A (en) * | 2021-11-16 | 2022-01-25 | 山东大业股份有限公司 | High-permeability-rubber intensive steel cord |
| CN117907195A (en) * | 2024-03-19 | 2024-04-19 | 山东大业股份有限公司 | Steel cord glue seepage rate detection device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101292321B1 (en) * | 2013-04-16 | 2013-07-31 | (주) 태성 | Rubber reinforced steel cord tester |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4041806A (en) * | 1976-10-18 | 1977-08-16 | The Goodyear Tire & Rubber Company | Testing cord-to-elastomer adhesion |
| US4095465A (en) * | 1977-03-25 | 1978-06-20 | The Goodyear Tire & Rubber Company | Testing adhesion of cord or wire in rubber |
| GB1582647A (en) * | 1977-07-07 | 1981-01-14 | Bekaert Sa Nv | Metal cord |
| KR100296075B1 (en) * | 1999-03-05 | 2001-07-03 | 조충환 | A rubber and a steel cord for reinforcement of a tire with increased rubber penetration |
-
2004
- 2004-09-30 KR KR1020040077878A patent/KR100642993B1/en not_active IP Right Cessation
-
2005
- 2005-05-17 CN CNB2005100707070A patent/CN100483103C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101907539A (en) * | 2010-07-30 | 2010-12-08 | 河南恒星科技股份有限公司 | Steel cord stress detection device and method |
| CN112590272A (en) * | 2020-12-22 | 2021-04-02 | 德州玲珑轮胎有限公司 | Method for detecting tire body glue permeation |
| CN113969511A (en) * | 2021-11-16 | 2022-01-25 | 山东大业股份有限公司 | High-permeability-rubber intensive steel cord |
| CN117907195A (en) * | 2024-03-19 | 2024-04-19 | 山东大业股份有限公司 | Steel cord glue seepage rate detection device |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20060028951A (en) | 2006-04-04 |
| KR100642993B1 (en) | 2006-11-10 |
| CN100483103C (en) | 2009-04-29 |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090429 Termination date: 20100517 |