Friction wear testing machine for on-line measurement

A friction and wear test, friction and wear technology, applied in the direction of measuring devices, testing wear resistance, using mechanical devices, etc., can solve the problems of inconvenient material wear changes, inability to measure surface morphology and wear amount online, etc.

Inactive Publication Date: 2009-08-12
XI AN JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Usually, the friction and wear testing machine and the wear measurement equipment are independent, so no matter which measurement method can measure the surface morphology and wear amount at different stages in the wear process, it is not convenient to study the wear of materials. law of change

Method used

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  • Friction wear testing machine for on-line measurement
  • Friction wear testing machine for on-line measurement
  • Friction wear testing machine for on-line measurement

Examples

Experimental program
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Embodiment Construction

[0022] refer to figure 1 , figure 2 , the on-line measurement friction and wear testing machine of the present invention mainly includes: a test bench 1, a friction and wear test device and a surface topography measuring device arranged on the test bench 1.

[0023] In the friction and wear experimental device, a support 6 and a rotating platform 5 are arranged on the test bench 1, the support 6 is located on the right side of the rotating platform 5, and the rotating platform 5 is driven by a motor. combine image 3 As shown, the lower test piece tray 16 is fixed on the rotary platform 5, and four spacers 17 are symmetrically arranged on the lower test piece tray 16, and a bar-shaped hole is arranged in the middle of the spacer 17, and a locking screw 18 is arranged in the bar-shaped hole. The test piece is fixed on the lower test piece tray 16 by four locking screws 18 . The two ends of the rotating shaft 7 are connected to the support 6 through bearings, the swing beam ...

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Abstract

The invention discloses a friction wear testing machine for on-line measurement, which comprises an experiment table, a friction wear experiment device arranged on the experiment table and a surface topography measurement device. The friction wear testing machine is characterized in that the friction wear experiment device comprises a stress beam, and a support and a rotating platform which are arranged on the experiment table, the rotating platform fixes a lower specimen, and the support is positioned at one side of the rotating platform; the support is provided with a rotating shaft which is fixed with a walking beam, one end of the walking beam is fixed with a balance weight lever which is provided with a balancing weight, the other end of the walking beam is fixed at one end of the stress beam, the other end of the stress beam is fixed with a collet which is fixed with an upper specimen, and the collet is provided with a scale pan which is provided with weights; the stress beam is provided with a force sensor for measuring the friction force between the upper specimen and the lower specimen; and the surface topography measurement device comprises a three-coordinate adjustment table arranged on the experiment table, the three-coordinate adjustment table is provided with a surface contourgraph, and a probe of the surface contourgraph extends above the rotating platform.

Description

technical field [0001] The invention relates to test equipment for studying the friction and wear variation law of materials, in particular to an on-line measurement friction and wear testing machine, which is used for on-line measurement of friction and wear conditions of engineering materials in friction and wear experiments. Background technique [0002] When evaluating the friction and wear characteristics of engineering materials, the test samples or specimens are usually placed on a friction and wear testing machine for testing, and the material properties are evaluated by measuring the friction coefficient and wear amount. During the friction and wear test, the changes of friction coefficient, surface morphology and wear amount at different stages play a key role in studying the law of material friction and wear. [0003] The coefficient of friction can usually be measured online by a load cell, and the measurement of wear is usually to first clamp the specimen on the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N19/02G01N3/56G01B21/30
Inventor 刁东风张立章范雪
Owner XI AN JIAOTONG UNIV
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