Method for testing reciprocating seal wear life of O-shaped rubber seal ring

A wear life and test method technology, applied in the direction of testing wear resistance, etc., can solve the problem of lack of reliable reference basis and standards for selection and correction, and achieve the effect of real and reliable environmental temperature and other conditions, accurate wear life, and effective prediction.

Active Publication Date: 2019-03-29
CHINA AERO POLYTECH ESTAB
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Traditionally, Archard is usually used as the wear model, but under the conditions of different materials, loads and relative motion speeds, there is no reliable reference basis and standard for the selection and correction of parameter K

Method used

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  • Method for testing reciprocating seal wear life of O-shaped rubber seal ring
  • Method for testing reciprocating seal wear life of O-shaped rubber seal ring
  • Method for testing reciprocating seal wear life of O-shaped rubber seal ring

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Experimental program
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Embodiment Construction

[0049] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0050] According to the rubber O-shaped seal ring reciprocating seal wear life test method of the present invention, it comprehensively considers the influence of material level factors, and carries out parameter correction to the O-type seal ring wear life model, such as Figure 1 to Figure 3 As shown, the specific steps are as follows:

[0051] Step 1: Carry out the material characteristic test of the sealing member, respectively carry out the hardness test, the swelling test and the friction coefficient test;

[0052] Step 2: Carry out a test to determine the life of the sealing ring to obtain the number of cycles when the sealing ring fails;

[0053] Step 3: Carry out the life model parameter correction test of the sealing ring, carry out the wear life test according to the load spectrum, and obtain the change law of the wear amount of the sealing ring with time...

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Abstract

The invention discloses a method for testing reciprocating seal wear life of an O-shaped rubber seal ring, comprising the following steps of: step 1, testing material property of a seal element, wherein the material property test comprises a hardness test, a swelling test, and a friction coefficient test; step 2, performing a determination test on the life of the seal ring to obtain the cycle number when the seal ring fails, and determining the wear amount of the failed seal ring; and step 3, performing the parameter modification test of a sealing life model, obtaining the change law of the wear amount of the seal ring with time based on the dynamic seal wear life test, determining the detection step period of the parameter correction test based on failed cycle number, separately exploringthe speed and load to achieve the correction of the parameter K under different materials.

Description

technical field [0001] The invention relates to the technical field of mechanical equipment reliability and life prediction, in particular to a method for testing the wear life of a reciprocating seal of a rubber O-shaped sealing ring. Background technique [0002] Rubber O-rings are a typical application of sealing rings, and friction and wear are the main factors leading to the failure of rubber sealing rings. The linear reciprocating sealing ring is always in the friction process of sliding relative to the metal surface. Rubber and other materials will wear during the mutual friction process. It is under different friction conditions that different types of wear occur. The size of the friction coefficient not only determines the type of wear with different severity, but also the intensity of each kind of wear is directly related to the friction coefficient. At the same time, the material hardness and relative movement speed of the seal will also indirectly affect the life...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/56
CPCG01N3/56
Inventor 刘浩阔边智孟理华孙胜刘漪纹杨俊斌黄爽
Owner CHINA AERO POLYTECH ESTAB
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