Testing machine and testing method for low-temperature contraction performance of rubber
A testing machine and low-temperature technology, applied in the direction of applying stable tension/pressure to test the strength of materials, can solve problems such as inaccurate test results, complicated operating procedures, and difficult low-temperature control, so as to reduce test costs, improve test accuracy, easy-to-handle effects
Inactive Publication Date: 2015-04-08
GOTECH TESTING MACHINES DONGGUAN
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Problems solved by technology
However, the operating procedure of the existing testing machine is relatively complicated, the low temperature control is difficult, the measurement cost is high, the test result is inaccurate and the test efficiency is low
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[0023] In order to further understand the features, technical means, specific objectives and functions achieved by the present invention, and to analyze the advantages and spirit of the present invention, a further understanding of the present invention can be obtained through the following detailed description of the present invention in conjunction with the accompanying drawings and specific embodiments.
[0024] As shown in the drawings of the description, the present invention includes a box body 10 and a frame 20 arranged on the box body 10, the frame 20 is connected with a support plate 30, and the support plate 30 is provided with a clamping mechanism 40 , the clamping mechanism 40 is provided with a sensing mechanism 50 . The clamping mechanism 40 is used to clamp the sample to be tested. The clamping mechanism 40 includes a clamp set 41, a transmission belt 42, a pulley 43 and a weight 44. The clamp set 41 includes an upper clamp 411 and a lower clamp 412. The pulley ...
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The invention discloses a testing machine and testing method for low-temperature contraction performance of rubber. The testing machine is reasonable in structural design and is fully automatic in operation, and comprises a case body and a frame located on the case body, wherein the frame is connected with a supporting plate, a clamping mechanism is arranged on the supporting plate, a sensing mechanism is arranged on the clamping mechanism, the clamping mechanism comprises a clamp group, a driving belt, a pulley and a weight, the clamp group comprises an upper clamp and a lower clamp, the sensing mechanism comprises a magnetic grid ruler and a magnetic grid ruler reading head arranged on the driving belt, a refrigeration system is arranged in the case body, and the testing machine is connected with a computer software control system. According to the invention, the testing machine is convenient for operation and high in working efficiency, and can simultaneously test multiple groups of samples; and the testing method is easy to operate, realizes the testing of the low temperature contraction performance of rubber, improves the testing precision, and provides guarantee for the mass production and use as well as performance improvement of the rubber.
Description
technical field [0001] The invention relates to the technical field of rubber performance detection, in particular to a rubber low-temperature retraction performance testing machine and a method for testing rubber low-temperature retraction performance. Background technique [0002] The application of rubber is very extensive. In order to obtain high-performance rubber products, it is necessary to test, analyze and study the characteristic changes during rubber processing and the characteristics after processing in order to obtain the best formula and processing parameters. [0003] The low-temperature shrinkage performance of vulcanized rubber is one of the main indicators for evaluating rubber products, and it is also a key item affecting rubber products. The test principle of rubber low-temperature shrinkage performance is: stretch the sample to be tested at the temperature of CCTV, and then cool it to When the stretching force is removed, the stretched rubber will not s...
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IPC IPC(8): G01N3/18
Inventor 李新焱谢锋卜浩然仵涛魏国征
Owner GOTECH TESTING MACHINES DONGGUAN