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Sliding friction fatigue tester

A fatigue testing machine and sliding friction technology, applied in the direction of testing wear resistance, measuring devices, instruments, etc., can solve the problems of poor test accuracy, complex structure, high cost, etc., to achieve low cost, accurate test data, and reduce total quality. Effect

Pending Publication Date: 2018-06-12
NORTHEASTERN UNIV
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AI Technical Summary

Problems solved by technology

[0005] Aiming at the existing technical problems, the present invention provides a sliding friction fatigue testing machine which solves the problems of poor testing accuracy, complex structure and high cost of the testing machine in the prior art.

Method used

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Embodiment Construction

[0039] In order to better explain the present invention and facilitate understanding, the present invention will be described in detail below through specific embodiments in conjunction with the accompanying drawings.

[0040] Such as figure 1 As shown: this embodiment discloses a sliding friction fatigue testing machine, including a first force acting mechanism, a second force acting mechanism, a clamping mechanism for clamping and fixing one end of a bar-shaped sample 8, a rotating drive mechanism and test data collection mechanism.

[0041] The driving mechanism drives the clamping mechanism to rotate the rod-shaped sample 8 .

[0042] The first force application mechanism is used to apply sliding friction force to the side surface of the rod-shaped sample 8 .

[0043] The second force acting mechanism is used to apply intermittent bending moment to the other end of the bar-shaped sample 8 .

[0044] The rotation driving mechanism is connected with the clamping mechanism...

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Abstract

The invention belongs to the technical field of fatigue wear tests, and particularly relates to a sliding friction fatigue tester which comprises a first force application mechanism, a second force application mechanism, a clamping mechanism, a rotary driving mechanism and a test data acquisition mechanism, wherein the clamping mechanism fixedly clamps one end of a rod-like sample, the driving mechanism drives the clamping mechanism to turn the rod-like sample, the first force application mechanism is used for applying sliding friction force to the side surface of the rod-like sample, and thesecond force application mechanism is used for applying intermittent bending moment to the other end of the rod-like sample. The sliding friction fatigue tester has the advantages of simple structure,simplicity and convenience in operation, high test accuracy, low cost and the like.

Description

technical field [0001] The fatigue wear of the invention belongs to the technical field, and in particular relates to a sliding friction fatigue testing machine. Background technique [0002] Sliding friction fatigue testing machine is a kind of testing equipment used to test the interaction between sliding wear and fatigue damage of parts. It mainly simulates the situation that two objects are in sliding contact while transmitting periodic bending loads in actual working conditions, that is, The system undergoes a friction process in the form of sliding, and at the same time generates and transmits alternating bending loads. Its damage belongs to "mechanical-sliding fatigue", that is, wear fatigue caused by the dynamic interaction between mechanical fatigue and sliding friction phenomena damage. [0003] At present, the sliding wear testing machine and the bending fatigue testing machine are mainly used in China. It is difficult to maintain the experimental accuracy when t...

Claims

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Application Information

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IPC IPC(8): G01N3/02G01N3/56
CPCG01N3/02G01N3/56
Inventor 闫玉涛张天路刘振宇李扬
Owner NORTHEASTERN UNIV
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