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Small load impact wear testing machine

A technology of wear test and load, applied in the direction of testing wear resistance, using mechanical devices, measuring devices, etc., can solve the problems of low degree of automation, low measurement accuracy, large impact force, etc., and achieve high degree of automation and data repeatability High, high-precision effects

Inactive Publication Date: 2007-08-22
SOUTHWEST JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of these testing machines are designed and manufactured by enterprises and researchers according to their needs and actual working conditions. They have a low degree of automation, low measurement accuracy, and large impact forces, usually tens to thousands of Newtons. Impact wear test under tens of Newtons

Method used

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  • Small load impact wear testing machine
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0024] Figures 1 and 2 show that a specific embodiment of the present invention is: a small load impact wear tester, which is characterized in that: a vertical plate 2 is fixed at the rear of the base 1, and a vibrator 3 with the push rod downward Installed in front of the upper part of the vertical plate 2, the end of the ejector rod of the vibrator 3 is sequentially connected to the piezoelectric impedance sensor 4 and the upper sample holding device 5; the base 1 is located below the upper sample holding device 5, and is fixed with Lower sample holding device 6.

[0025] The specific structure of the vibrator 3 installed on the vertical plate 2 is as follows: the upper front of the vertical plate 2 is equipped with a goose tail groove slide plate 7 that can slide up and down, and the vibrator 3 is installed and fixed on the goose tail groove slide plate 7; 7 is provided with a spiral lifting mechanism 17 and a slide plate locking screw 18.

[0026] Figures 1-3 show that th...

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PUM

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Abstract

The invention discloses a testing machine of small-load attacking wear. Stand board is fixed behind base. Exciter with a downward roof bar is equipped in front of top of. End of exciter roof bar connects piezoelectric impedance sensor and upper sample holding device in turn. Lower sample holding device is fixed under the sample holding device on the base. The testing machine suits for tests with small-load attacking, which has merits including high automatic degree, stable working load, good persistent-working ability, high precision and good repeatability of test data.

Description

technical field [0001] The invention relates to an impact wear tester, in particular to an impact wear tester under small load. Background technique [0002] Impact wear is the surface wear caused by repeated dynamic contact and impact between a solid surface and another solid surface. Many components in various types of machinery are subjected to different degrees of impact wear, such as electromagnetic contact devices, die concave and convex dies, tool notches, forging hammers, etc. The impact load will cause damage to the contact surface, and in severe cases, it will lead to failure of components. Among the various wear-induced failures, impact wear has the greatest impact on materials and is currently the least understood. This is due to the complexity of the impact wear problem on the one hand, and the lack of impact wear test equipment on the other hand. [0003] Existing impact and wear testing machines can be divided into: free fall type, lever mechanism type, cyl...

Claims

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Application Information

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IPC IPC(8): G01N3/56G01N3/00G01N19/00
Inventor 周仲荣石心余王艳陈光雄钱林茂朱旻昊
Owner SOUTHWEST JIAOTONG UNIV
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