Mechanism for accurately measuring micro abrasion loss of film material in situ
A thin-film material and precise measurement technology, applied in the direction of electromagnetic measuring devices, electric/magnetic thickness measurement, etc., can solve the problems of unconvincing measurement data, poor accuracy, and low measurement accuracy, and achieve broad market application prospects and major production practices meaning effect
Pending Publication Date: 2019-09-17
TIANJIN UNIV OF COMMERCE +1
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[0003] However, due to the large measurement error and low measurement accuracy of the weighing method, when comparing the wear resistance of two different materials, especially when testing the wear resistance of wear-resistant film materials, the measurement error is often due to the small amount of actual wear. It will be greater than the actual amount of wear, the accuracy is poor, and the measurement data obtained is not convincing. Therefore, the current weighing method is not suitable for comparing two different film materials with close friction performance and small difference in wear resistance.
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[0042] In order to enable those skilled in the art to better understand the solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.
[0043] see Figure 1 to Figure 4 , the present invention provides a mechanism for accurately measuring the micro-abrasion of thin film materials in situ, including vertically distributed columns 7;
[0044] The upper part of the column 7 is hinged with the right end of a horizontal shaft 3; the horizontal shaft 3 can rotate around the upper part of the column 7 in the horizontal direction.
[0045] A displacement sensor 1 is fixedly connected to the left end of the horizontal axis 3;
[0046] The displacement sensor 1 is used to measure the film material placed directly under it before and after wear, and obtain the thickness change of the film material surface before and after wear, and the thickness change is used as the wear amount of th...
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The invention discloses a mechanism for accurately measuring micro abrasion loss of a film material in situ, which comprises upright posts (7) which are vertically distributed; wherein the upper part of the upright post (7) is hinged with a right end of a horizontal shaft (3); the horizontal shaft (3) can rotate around the upper part of the upright post (7) in the horizontal direction; a left end of the horizontal shaft (3) is fixedly connected with a displacement sensor (1); the displacement sensor (1) is used for measuring the film material placed under the displacement sensor (1) through a probe (4) at the lower side of the displacement sensor (1) before abrasion and after abrasion respectively, and the thickness variation of the surface of the film material before and after abrasion is obtained and used as the abrasion amount of the film material. According to the mechanism of the invention, the thickness variation of a measured material before and after abrasion can be measured, and the thickness variation is used as the abrasion amount, thus the abrasion resistance of two different film materials with approximate friction performance and small abrasion resistance difference can be accurately and reliably compared and evaluated.
Description
technical field [0001] The invention relates to the technical field of abrasion measurement, in particular to a mechanism for accurately measuring the micro-abrasion of thin film materials in situ. Background technique [0002] At present, the amount of wear is one of the main indicators for evaluating the wear resistance of materials. For the current friction and wear testing machine, the measurement of the amount of material wear is mainly evaluated by the weighing method, that is, the mass of the tested material before and after wear is measured separately by weighing, and then two The difference between the two measurement results is used as the wear amount of the tested material. [0003] However, due to the large measurement error and low measurement accuracy of the weighing method, when comparing the wear resistance of two different materials, especially when testing the wear resistance of wear-resistant film materials, the measurement error is often due to the small...
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IPC IPC(8): G01B7/06
CPCG01B7/06
Inventor刘美华王东爱王怀文石岩刘冰张文刚
OwnerTIANJIN UNIV OF COMMERCE