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Method and device for measuring friction and wear properties of materials

A technology of friction and wear and measurement methods, which is applied in the field of measurement, can solve problems such as difficulty in meeting test conditions, inability to test friction and wear performance, and high size requirements, so as to avoid high geometric size requirements and avoid expensive preparation costs.

Active Publication Date: 2018-10-19
SHENYANG AEROSPACE UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of the high size requirements and high price of the two materials in the current surface friction and wear performance test process, many new tool materials are difficult to meet the test conditions, making it impossible to test the friction and wear properties between them and other processed materials , the object of the present invention is to provide a method and device for measuring friction and wear properties of materials

Method used

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  • Method and device for measuring friction and wear properties of materials
  • Method and device for measuring friction and wear properties of materials
  • Method and device for measuring friction and wear properties of materials

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0024] Such as figure 1 As shown, the device for measuring friction and wear properties of materials using blades includes a machine tool spindle 1, a chuck 2, a block test piece 3, a blade test piece 4, a spring leaf 5, a clamp 6, a force measuring mechanism 7 and a workbench 8. The chuck 2 for installing the block test piece 3 is set on the machine tool spindle 1, the force measuring system 7 is set on the workbench 8, the force measuring mechanism 7 is connected to the fixture 6, and the blade test piece 4 is connected to the fixture 6 through the spring piece 5 .

[0025] The force measuring mechanism 7 is a Kistler 9257B six-component force / torque measuring system.

[0026] Its measurement method is:

[0027] ① Select the material, the material blade test piece 4 is a single crystal diamond turning tool blade (purchased from Shanghai Shuberhardt Diamond Tool Co., Ltd., model: R2-rake angle 0°), wherein the size of the single crystal diamond is 5mm×4mm×1mm; block test p...

Embodiment 2

[0035] Such as figure 1 As shown, the device for measuring friction and wear properties of materials using blades includes a machine tool spindle 1, a chuck 2, a block test piece 3, a blade test piece 4, a spring leaf 5, a clamp 6, a force measuring mechanism 7 and a workbench 8. The chuck 2 for installing the block test piece 3 is set on the machine tool spindle 1, the force measuring system 7 is set on the workbench 8, the force measuring mechanism 7 is connected to the fixture 6, and the blade test piece 4 is connected to the fixture 6 through the spring piece 5 .

[0036] The force measuring system is a Kistler 9257B six-component force / moment measuring system.

[0037] Its measurement method is:

[0038] ① Select the material, the material blade test piece 4 is a cemented carbide turning tool blade with a size of 5mm×5mm×2mm; the block test piece 3 is a high-strength graphite material;

[0039] ② Make the blade test piece 4 contact with the block test piece 3 test piec...

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Abstract

A measurement method and a measurement device of material friction and wear performances. The measurement method comprises the steps of: 1) determining hardness of two to-be-test materials; 2) contacting a blade test member with a block material test member; 3) enabling the acting force between the blade test member and the block material test member to reach a preset value; 4) rotating the block material test member and measuring the normal force and the tangential force between the blade test member and the block material test member; and 5) calculating the friction coefficient and analyzing the friction and wear performances between the two materials according to the measurement results of the normal force and the tangential force. The measurement device includes a clamp disk which is used for mounting the block material test member and is arranged on a machine tool spindle. A force measuring mechanism is arranged on a workbench and is connected to a fixture. The blade test member is connected to the fixture through a spring piece. The measurement method and the measurement device achieve detection and feedback of the acting force between the novel material and the to-be-processed material through the force measuring system, so that a problem that a measure method in the prior art is high in requirement on geometrical size and is high in production cost of a cutter material.

Description

technical field [0001] The invention belongs to the technical field of measurement, in particular to a method and device for measuring friction and wear properties of materials. Background technique [0002] The friction and wear performance of materials is one of the important indicators to measure the performance of materials. The friction coefficient and wear performance between two materials have an important impact on the reliability of the friction pair composed of them. The friction and wear performance between materials has great influence on sealing, It has important research significance in many fields such as machining. Among the existing friction and wear testing devices, according to the friction pair, they can be divided into ball-on-disk friction and wear testing machine, pin-on-disk friction and wear testing machine, disk-on-disc friction and wear testing machine, ring block friction and wear testing machine, four-ball friction and wear testing machine, cylin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N3/56G01N19/02
Inventor 王奔郑耀辉李晓鹏王明海马书娟
Owner SHENYANG AEROSPACE UNIVERSITY
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