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Equipment for testing abrasive wear experimentation in planar reciprocating type

A technology of abrasive wear and testing device, applied in the direction of measuring device, using mechanical device, analyzing materials, etc., can solve the problem of high cost of testing machine, etc., and achieve the effect of high reliability and expansion of functions

Inactive Publication Date: 2006-10-25
UNIV OF SCI & TECH BEIJING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to various reasons, the cost of testing machines remains high

Method used

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  • Equipment for testing abrasive wear experimentation in planar reciprocating type
  • Equipment for testing abrasive wear experimentation in planar reciprocating type
  • Equipment for testing abrasive wear experimentation in planar reciprocating type

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] The diameter of sample 0 is 6.25 mm; the single stroke of the sample is 200 mm; the load applied to the sample is 1.12 kg; the sample is fed 7 mm in the vertical direction of the stroke after each stroke; 180 mesh brown corundum emery cloth is used Fixed on the work surface as abrasive. The relative wear resistance coefficient is 1.

Embodiment 2

[0033] The diameter of No. 1 sample is 6.25 mm; the single stroke of the sample is 200 mm; the load applied to the sample is 1.12 kg; the sample is fed 7 mm in the vertical direction of the stroke after each stroke; 180-mesh brown corundum emery cloth is used Fixed on the work surface as abrasive. The relative wear resistance coefficient is 1.014.

Embodiment 3

[0035] The diameter of sample No. 3 is 6.25 mm; the single stroke of the sample is 200 mm; the load applied to the sample is 1.12 kg; the sample is fed 7 mm in the vertical direction of the stroke after each stroke; 180-mesh brown corundum emery cloth is used Fixed on the work surface as abrasive. The relative wear resistance coefficient is 1.014. When compared with ML-10 pin-on-disk abrasive wear tester, the relative wear resistance coefficient is 1.096.

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Abstract

The invention provides a reciprocating abrasive wear test device modified from a surface grinder. The grinding wheel (1), the main shaft (2) and the chuck (3) of the surface grinder are removed; the upper end cover (5) and the counterweight (6) are assembled. , outer cylinder (7), X-Y function recorder (8), spring (9), gasket (11, 13, 14), sensor (12), lower end cover (15), emery cloth (16). The invention has the advantages of expanding the use function of the equipment and being able to be used as a test and detection of abrasive wear; and having the characteristics of high reliability and repeatability of wear test results, good interchangeability with grinding wheels of grinding machines, and the like.

Description

technical field [0001] The invention belongs to the technical field of friction and wear test devices, and in particular provides a reciprocating abrasive wear test device modified from a surface grinder, which expands the functions of the equipment. Background technique [0002] Wear is one of the three main causes of failure of metal parts (wear, corrosion and fatigue). According to incomplete statistics, 1 / 3 to 1 / 2 of energy is consumed in friction and wear. For materials, about 80% of part failures are caused by wear. [0003] There are many ways to classify wear. According to different wear mechanisms, it can be divided into: abrasive wear, adhesive wear, corrosion wear, contact fatigue wear, erosion wear, fretting wear and impact wear. Among them, the economic loss caused by abrasive wear accounts for more than 50% of the total wear. Abrasive wear generally refers to a wear method in which hard abrasive grains or protrusions make relative movement with the surface ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N3/56G01N19/00
Inventor 杨滨许益民
Owner UNIV OF SCI & TECH BEIJING
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