Aging testing method for simulating practical operation environment of rubber sealing ring
A technology of working environment and aging test, which is applied in the aging test of rubber and the field of aging test simulating the actual working environment of rubber to achieve the effect of accurate test results
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Example Embodiment
[0018] Example 1:
[0019] An aging test method for simulating the actual working environment of a rubber sealing ring is characterized in that it comprises the following steps:
[0020] 1) Select the cyanide nitrile material used in the sealing ring and process it into Sample of sealing ring;
[0021] 2) Use a compression fixture to apply stress to the sample to deform the sample with a compression rate of 30%;
[0022] 3) Place the fixture and sample in the salt spray test box, set the temperature to 30℃, and the sedimentation rate of the NaCl salt solution is 2ml / (80cm 2 ·H), the concentration of NaCl salt solution is 5wt%, and the retention time is 48h;
[0023] 4) Put the fixture and sample into a high temperature test box for high temperature test, the duration is 72h under 80℃;
[0024] 5) Put the fixture and sample into the low temperature test box for low temperature test, the duration is 24h under the condition of -25℃;
[0025] 6) Take out the sample and place it in a free sta...
Example Embodiment
[0026] Example 2:
[0027] An aging test method for simulating the actual working environment of a rubber sealing ring is characterized in that it comprises the following steps:
[0028] 1) Select the cyanide nitrile material used in the sealing ring and process it into Sample of sealing ring;
[0029] 2) Use a compression fixture to apply stress to the sample to deform the sample with a compression rate of 20%;
[0030] 3) Put the fixture and sample in the salt spray test box, set the temperature to 30℃, and the sedimentation rate of the NaCl salt solution is 1ml / (80cm 2 ·H), the concentration of NaCl salt solution is 5wt%, and the holding time is 96h;
[0031] 4) Put the fixture and sample into a high temperature test box for high temperature test, the duration is 48h under 100℃;
[0032] 5) Put the jig and sample into the low temperature test box for low temperature test, the duration is 72h at -10℃;
[0033] 6) Take out the sample and place it in a free state. After the height of the...
Example Embodiment
[0034] Example 3:
[0035] An aging test method for simulating the actual working environment of a rubber sealing ring is characterized in that it comprises the following steps:
[0036] 1) Select the cyanide nitrile material used in the sealing ring and process it into Sample of sealing ring;
[0037] 2) Use a compression fixture to apply stress to the sample to deform the sample with a compression rate of 40%;
[0038] 3) Put the fixture and sample in the salt spray test box, set the temperature to 30℃, and the sedimentation rate of the NaCl salt solution is 3ml / (80cm 2 ·H), hold time 24h;
[0039] 4) Put the fixture and sample into a high temperature test box for high temperature test, the duration is 24h at 125℃;
[0040] 5) Put the jig and sample into the low temperature test box for low temperature test, the duration is 48h at -15℃;
[0041] 6) Take out the sample and place it in a free state. After the height of the measured sample is restored, the analysis of the compression and ...
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Abstract
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