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Clamping method used in metal material mechanical property test

A technology of metal materials and mechanics, which is applied in the clamping field of metal material mechanical performance testing, can solve problems such as time-consuming and labor-intensive, lower clamping reliability, and lower detection efficiency, so as to avoid direct contact, improve efficiency, and improve clamping efficiency effect

Inactive Publication Date: 2018-11-23
德阳市重装检测有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The technical problem to be solved by the present invention is that in the existing material tensile testing equipment, with the wear and clamping failure of the jaw clamping mechanism, the reliability of the clamping will be reduced, and the process of clamping is time-consuming and laborious, which reduces the detection efficiency. The purpose is to provide a clamping method for testing the mechanical properties of metal materials, which can quickly realize the clamping of the material, avoid the wear between the sample and the clamping fixture, and improve the clamping reliability in the tensile testing test Sex and fastness, improve the clamping efficiency in testing

Method used

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  • Clamping method used in metal material mechanical property test

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Embodiment

[0021] Such as figure 1 As shown, the present invention is used for the clamping method of metal material mechanical performance test, comprises the following steps: 1) material is processed into the bar-shaped sample to be tested that two ends have trapezoidal assembly segment; 2) sample to be tested is clamped in In the clamping device of the tensile testing machine; the clamping device comprises two clamping parts with the same structure and arranged symmetrically up and down, and the clamping parts include a fixed block 1, and an isosceles trapezoid The long side of the isosceles trapezoidal placement slot 2 is located above the short side, and the front side of the fixed block 1 on the short side of the placement slot 2 is provided with a vertical sample gap 3, the test The sample gap 3 runs through the bottom surface of the fixed block 1 and communicates with the placement groove 2. The front side of the fixed block 1 on the long side of the placement groove 2 is provide...

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Abstract

The invention discloses a clamping method used in metal material mechanical property test. The clamping method comprises the following steps: 1) processing a material into a rod-shaped sample to be tested with trapezoidal assembly sections at both ends; 2) clamping the sample to be tested into a clamping device of a tensile testing machine; 3) clamping the assembly sections at both ends of the sample to be tested into a rubber fixing frame respectively, and then placing the assembly sections and the rubber fixing frame together as a whole body in an accommodating groove, wherein the rod section of the sample to be tested is clamped into a sample notch, and a hook rail on the rubber fixing frame is clamped in a hook rail notch; and 4) connecting the rubber fixing frame to the tensile testing machine through a hooking thread at the end of the hook rail. The clamping method can quickly clamp materials, avoid the wear between a sample and a fixture, improve the clamping reliability and tightness in tensile test, and enhance the clamping efficiency in test.

Description

technical field [0001] The invention relates to a clamping and clamping method, in particular to a clamping method for testing the mechanical properties of metal materials. Background technique [0002] The tensile testing test of the material is to test the tensile strength, yield strength, elongation after fracture, reduction of area and other indicators of the material. Material sampling for tensile test is to process the sampled material into a rod shape with trapezoidal assembly sections at both ends, and assemble the material to be tested with testing equipment for testing. The assembly methods generally include threaded, clamped or suspended. In the existing material tensile testing equipment, with the wear and tear of the jaw clamping mechanism and clamping failure, the reliability of clamping will be reduced, and the process of clamping is time-consuming and laborious, which reduces the efficiency of detection and increases the detection efficiency. The risk brough...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/04G01N3/08
CPCG01N3/04G01N3/08G01N2203/0017G01N2203/027G01N2203/0452
Inventor 谭伟康人木谭谆易雪许晴
Owner 德阳市重装检测有限责任公司
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