Just five steps to learn to use the thermal shock test machine
Every piece of equipment requires a proper testing method, and the thermal shock test machine is no exception. But what exactly is the process involved in using a thermal shock test machine? How does it differ from other types of test chambers? To answer these questions, our experienced technicians have outlined a clear and reliable "five-step" procedure to help you understand how to use this essential testing equipment.
Step 1: Pre-treatment. Before the test begins, the sample should be placed under normal atmospheric conditions until it reaches a stable temperature. This step ensures that the sample starts the test in a neutral state, free from any external influences.
Step 2: Initial Testing. The sample is then compared with the standard requirements. If it meets the criteria, it is placed directly into the cold chamber for the next stage of the test.
Step 3: Conducting the Thermal Shock Test. The sample is placed inside the test chamber according to the standard procedures. The temperature inside the chamber is gradually raised to the set point and maintained for a specific period, allowing the sample to reach a stable temperature—this time can vary depending on the size and nature of the sample.
After the high-temperature phase, the sample is quickly transferred to a low-temperature chamber (typically at -55°C) within 5 minutes and left there for 1 hour or until the sample stabilizes, whichever comes later. Then, it's moved back to a high-temperature chamber for another cycle, repeating the process for a total of three full cycles.
Step 4: Recovery. Once the test is complete, the sample is removed from the equipment and allowed to return to normal atmospheric conditions. It is left to stabilize again, ensuring that any residual effects from the test are fully accounted for.
Step 5: Final Testing. After recovery, the sample is evaluated based on the degree of damage observed, following the standards and guidelines provided. This final assessment helps determine whether the product can withstand the extreme temperature changes it was subjected to during the test.
This five-step process provides a structured and effective way to conduct thermal shock testing. It has been carefully compiled by our team at Dongguan Ai Siwei based on years of hands-on experience. If you have any questions or need further clarification, feel free to contact us—we're always here to help!
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