Steel cord glue permeation rate detection method and device
A technology of detection device and detection method, which is applied in the fields of measurement device, permeability/surface area analysis, suspension and porous material analysis, etc. Simple, short time, high efficiency effect
Active Publication Date: 2010-06-30
JIANGSU XINGDA STEEL TYPE CORD
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Problems solved by technology
This method takes a long time to detect and the detection of water seepage is complicated, resulting in low accuracy
Method used
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Embodiment
[0014] Embodiment: Vulcanize the steel cord and rubber into a long rubber block with 4 cords in the middle, and then cut the rubber block with the cord into a standard sample block. The end face direction of the cord is clamped in the upper and lower clamps to ensure that it is in a sealed state, adjust the gas pressure value, and inflate the sample block with the inflation pressure of 0.1MPa. The gas used is hydrogen. Cut off the gas source, and after 1 minute, measure the percentage of leaked gas. That is, under the air pressure of 0.1MPa, after 1 minute, the density of the cord and rubber vulcanization is identified by the percentage of air pressure leakage.
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The invention discloses a steel cord glue permeation rate detection method, which comprises the following steps: taking a vulcanized cord test specimen block; after both ends of the vulcanized cord test specimen block are fixedly clamped in a sealed way, introducing gas with the set pressure into the test specimen block; then, cutting off a gas source; detecting the pressure in a gas passage after the set detection time, i.e. the cord glue permeation rate of the test specimen block can be determined through the ratio of the pressure in the gas passage to the initial gas pressure. The method has the advantages of simplicity, convenience, high speed, short time and high efficiency.
Description
technical field [0001] The invention relates to a method and a device for detecting the glue penetration rate of steel cords. Background technique [0002] The binding force between steel cord and rubber is an important indicator of radial tires. The vulcanization of cord and rubber requires high permeability, so as to improve the binding force between steel cord and rubber. At present, the water pressure bubble leakage method is used to detect the rubber seepage rate of the cord. It passes the pressure water through the steel cord and the rubber vulcanized sample, and detects the water seepage of the sample after the set detection time. The detection time of this method is long, and the detection of water seepage is complicated, resulting in low accuracy. Contents of the invention [0003] The invention provides a method and device for detecting the glue penetration rate of steel cords with good detection accuracy, high efficiency and convenient operation. [0004] The ...
Claims
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Inventor 董玉华朱文芳冯国兵黄荣胜
Owner JIANGSU XINGDA STEEL TYPE CORD