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What Is The Fatigue Tester?

What Is The Fatigue Tester?

2021-08-09

What is the reason of fatigue testing?

Usually the purpose of fatigue testing is to determine the expected life of a material under cyclic loading, however fatigue strength and crack resistance are commonly sought values as well. The fatigue life of a material is the total number of cycles that a material can withstand under a single load scheme. 


How to Perform a Fatigue Test?

A sample is loaded into a fatigue tester and loaded using the pre-determined test stress, then unloaded to either zero load or an opposite load. 

This cycle of loading and unloading is then repeated until the end of the test is reached. The test may be run to a pre-determined number of cycles or until the sample has failed depending on the parameters of the test.


GESTER INTERNATIONAL CO.,LED is professionally engaged in production of various fatigue testing equipment. We have been researching in this area for over 20 years. Next, we will introduce the following fatigue testers from its applications and standards.


1. Hook And Loop Fatigue Tester GT-K19  

Application:

DeMattia Flexing Fatigue Tester is used to determine bending resistance of rubber, leather, synthetic leather, shoe sole and other materials. And inspect its flex cracking resistance, resistance to cracking and crack growth degree by repeatedly flexing in certain times and stroke.


Standards:

HG/T2873, ASTM D813, D430, GB/T13934,13935, JIS-K6301, ISO132,133, BS-903-A10



2. Upper DeMattia Flexing Fatigue Tester GT-KB08A

Application:

DeMattia Flexing Fatigue Tester is used to determine bending resistance of rubber, leather, synthetic leather, shoe sole and other materials. And inspect its flex cracking resistance, resistance to cracking and crack growth degree by repeatedly flexing in certain times and stroke.


Standards:

HG/T2873, ASTM D813, D430, GB/T13934,13935, JIS-K6301, ISO132,133, BS-903-A10

3. Upholstery Fabrics Sewn Seam Dynamic Fatigue Tester GT-KB40

Application:

Sewn Seam Dynamic Fatigue Tester is to measurement of or visual evaluation of yarn slippage and other types of failures in the three most commonly used upholstery seams - warp sewn to warp (wale to wale), filling sewn to filling (course to course), and warp sewn to filling (wale to course). The stresses at the seam are created by imposing a cyclic, impact, and penetrating load which fatigues the seam construction.


Standards:

ASTM D4033


4. Elastic Tape Fatigue Testing Machine GT-KB44

Application:

Elastic Tape Fatigue Testing Machine is used to determine its repeatedly extend performance under maximum extension for elastic fabric and elastic band, also can be used to determine fatigue resistance of extensible material.


Standards:

SATRA TM103 

5. Heel Fatigue Tester GT-KB15

Application:

The heel fatigue tester is used to determine the resistance of medium and high heels of ladies’ shoes under repeated small impacts to the heel tip.


Standards:

BS-5131 4.9, ISO 199560

                                                    

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