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Coating failure test device under the common action of load shock and thermal shock cycle

A technology of co-action and test equipment, applied in the direction of measuring equipment, instruments, scientific instruments, etc., to achieve the effect of simple structure, high degree of automation, and convenient control

Active Publication Date: 2016-11-02
XIANGTAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In order to solve the above technical problems, it is necessary to solve the variable control of load shock and thermal shock and the joint action of load shock and thermal shock cycle.

Method used

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  • Coating failure test device under the common action of load shock and thermal shock cycle
  • Coating failure test device under the common action of load shock and thermal shock cycle
  • Coating failure test device under the common action of load shock and thermal shock cycle

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Embodiment Construction

[0014] The present invention will be further described below in conjunction with the accompanying drawings.

[0015] like figure 2 , image 3 As shown, the present invention includes a support frame 7, a base 16, a servo motor 1, a cylindrical cam 2, an impact mechanism, a precision hydraulic lifting platform 15, a force measuring platform 14, a coating sample 12, an infrared temperature measuring device 17 and a laser transmitter 19; the laser transmitter 19 is installed on the lower right side of the support frame 7; the servo motor 1, the cylindrical cam 2 and the impact mechanism are all installed on the support frame 7, and the impact mechanism can move freely up and down, including circular Disk outer sleeve 6, cylindrical rod inner sleeve 5 and spring buffer mechanism, disk outer sleeve 6 is fixedly connected to support frame 7 through the middle disk, cylindrical rod inner sleeve 5 is placed outside the disk through linear bearing 22 In the sleeve 6, the outer ring ...

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Abstract

The invention discloses a coating failure test device under the common action of load shock and thermal shock cycle. The device comprises a support frame, a base, a servo motor, a cylindrical cam, an impact mechanism, a precision hydraulic lifting platform, a force platform, a coating sample, an infrared temperature measurement device and a laser transmitter. For working, a servo motor drives a cylindrical cam to rotate and to drive an impact mechanism to produces up and down impact movement on a coating specimen; the impact force is measured by a force test table; a signal produced by the impact force is fed back to a control console to control the a laser middle control emitter for loading of thermal shock at the same time; through adjustment of the height of a precision hydraulic lifting platform and control current of the laser transmitter, the level of mechanical load and temperature can be effectively controlled. The invention has the advantages of simple structure and convenient control, and can provide an effective experimental means for studying the failure mechanism of the coating specimen under the common action of load impact and thermal shock.

Description

technical field [0001] The invention belongs to the field of research on the failure mechanism of coating materials, and in particular relates to a coating failure test device under the combined cycle action of load shock and heat shock. Background technique [0002] In recent years, with the development of modern machining towards high precision, high speed cutting, and low cost, higher requirements have been placed on the performance of cutting tools. Tungsten carbide coating is a combination of a cemented carbide substrate with a certain toughness and a coating with high hardness, good wear resistance, low friction coefficient and chemical stability, which can greatly improve the processing efficiency, precision and life of the tool. In recent years, It has always been a research hotspot of experts and scholars. [0003] During high-speed milling (as attached figure 1 shown), the tool is subjected to high load shocks and thermal shocks. Especially when the carbide-coat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/60G01N3/307
CPCG01N3/307G01N3/60
Inventor 姜胜强黎旭叶一璇谭援强胡聪芳高伟刘思思
Owner XIANGTAN UNIV
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