Ultra-high-precision friction wear testing machine capable of observing friction surface in situ
A technology of friction and wear test and friction surface, which is applied in the direction of testing wear resistance, measuring device, strength characteristics, etc., to achieve the effect of improving force measurement accuracy and accuracy
Active Publication Date: 2019-05-24
HEFEI UNIV OF TECH
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[0003] In the study of tribology and interface contact mechanics, the indentation experiment and friction experiment under the contact condition of a single rough peak are of great significance for the in-depth study of the phenomenon and law of material interface friction, but because the loading force and measurement accuracy of such experiments require less than 1mN Left or right or even higher, it is difficult to use traditional friction testing machines for research
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[0023] combine Figure 1 to Figure 7 , the present invention is further described:
[0024] An ultra-high-precision friction and wear testing machine capable of in-situ observation of friction surfaces, comprising a workbench 10, a lower sample 20 is arranged on the workbench 10, an upper sample 30 is arranged above the workbench 10, and the The above sample 30 is set on the adjustment slide 40, and the adjustment slide 40 adjusts the upper sample 30 to be in contact with the lower sample 20, and the lower sample 20 is set on the driving mechanism, and the driving mechanism drives the lower test sample. The sample 20 reciprocates horizontally, the upper sample 30 is set on the detection cantilever 50, and the detection cantilever 50 is fixed on the adjustment sliding table 40, and the first and second displacement sensors 60 are also arranged on the adjustment sliding table 40 , 70, the detection ends of the first and second displacement sensors 60, 70 all point to the detect...
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The invention relates to an in-situ observation friction wear testing machine capable of improving loading force measuring precision. The in-situ observation friction wear testing machine comprises alower test sample arranged on a worktable, an upper test sample is arranged on the upper portion of the worktable and placed on an adjusting sliding table for adjusting abutted contact of the upper test sample and the lower test sample, the lower test sample is arranged on a driving mechanism, the driving mechanism drives the lower test sample to horizontally reciprocate, the upper test sample isarranged on a detection cantilever, the detection cantilever is fixed onto the adjusting sliding table, a first capacitive displacement sensor and a second capacitive displacement sensor are further arranged on the adjusting sliding table, detection ends of the first capacitive displacement sensor and the second capacitive displacement sensor point to the detection cantilever and are used for detecting horizontal and vertical deformation and displacement values of the detection cantilever, detection precision of loading force applied to the test samples can be remarkably improved by detectingthe deformation and displacement values, and friction performance accuracy of the test samples is improved.
Description
technical field [0001] The invention relates to the technical field of testing equipment, in particular to an ultra-high-precision friction and wear testing machine for in-situ observation of friction surfaces. Background technique [0002] The friction and wear test of the sample is to conduct an accelerated friction and wear test on the part of the workpiece or the prepared sample that actually faces the friction, so as to test its friction coefficient and wear rate curve in a short time, which is of great importance to the application research of the sample. to a more crucial role. Sample friction and wear experimental research equipment. In actual operation, two samples to be tested are placed on the testing machine, and the surfaces to be tested of the two samples are bonded together, and one of the samples is loaded using a pressurizing device. Press, and pull the sample back and forth, so as to realize the back and forth friction of two samples. Under the set time an...
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IPC IPC(8): G01N3/02G01N3/56
Inventor 刘焜高天燕张开森刘小君叶家鑫
Owner HEFEI UNIV OF TECH