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yuhongmei0812@163.com
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13712072775
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Building 2, Yihai Science and Technology Park, No. 25 Yuanxia Road, Changping Town, Dongguan City, Guangdong Province
Dongguan Haotian Testing Equipment Co., Ltd
Operation steps and precautions of cold and hot shock testing machine
Date: 2025-12-04Read: 1
Cold and hot shock testing machineUsed to evaluate the performance stability of samples in rapidly changing temperature environments, the operation must follow clear steps and strictly adhere to precautions to ensure the safety of the testing process and the reliability of the results.
1. Preparation work should be done before starting the operation. confirmCold and hot shock testing machineThe power connection is stable, all functional components are in a operable state, and the interior of the test area is checked for cleanliness, with no remaining samples, tools, or debris. Check the temperature setting value and impact program to ensure consistency with the test plan, and verify whether the sample installation position meets the requirements, is securely fixed, and does not hinder airflow circulation. For models involving medium circulation, the status of pipelines and storage containers should be checked to eliminate obvious signs of blockage or leakage. It is also necessary to check that the door seal and isolation structure are intact to ensure effective separation when switching between hot and cold areas.
2. The startup operation should first enter the control system interface, load or verify the preset program. After confirming that the temperature level, dwell time, and conversion sequence in the program are correct, initiate a pre run check to allow the system to complete an empty cycle in a sample free state. Observe whether the actions of each stage are smooth, and whether the temperature recording curve is continuous and without abnormal jumps. Empty cycle can verify the coordination between mechanical switching, sensing feedback, and control response, and detect potential faults in a timely manner. After the empty cycle is normal, the sample can be placed and the test area door can be closed to start the formal test.
3. Continuous attention should be paid to the equipment status and display information during the testing process. Monitor the consistency between the temperature change trend and the set value, pay attention to whether the switching action is completed at the predetermined time point, and whether there are any alarm prompts. If there is a significant temperature deviation, switch timeout, or abnormal sound, the program should be paused to investigate the cause and avoid continuing to run under unknown conditions that may cause damage to the sample or equipment. Operators should be on duty within the visible range to avoid missing key prompts while staying away from the console. For processes that require manual intervention, such as sampling midway or emergency stopping, strict adherence to regulations should be followed to prevent sudden door opening or power outage from causing severe temperature fluctuations inside the chamber.
4. When ending the test, the program should be terminated first, allowing the device to naturally return to room temperature in standby mode or enter the insulation phase according to regulations. After the temperature stabilizes and the system prompts that it can be opened, open the test area door and take out the sample. Proper protective equipment should be worn during the retrieval and placement process to avoid direct contact with hot or cold surfaces that may cause discomfort or damage. After taking out the sample, the appearance should be checked and necessary information should be recorded, followed by turning off the power or performing subsequent shutdown procedures. Clean the equipment, remove test residues, check the status of door seals and moving parts, and prepare for next use.
5. The precautions cover multiple aspects. The operation must be carried out by trained personnel, and those who have not mastered the process should not start the equipment without authorization. The installation of samples shall not obstruct the air ducts and sensors, and the quality and size shall comply with the equipment's load-bearing capacity and space limitations. It is strictly prohibited to forcefully open the test area door or move equipment during operation to avoid damaging temperature isolation and mechanical safety. If an alarm or abnormal indication occurs, the cause should be analyzed immediately, and if necessary, professional personnel should be contacted for maintenance. It is prohibited to continue operating without troubleshooting. Regularly maintain equipment according to regulations, including cleaning, checking seals, verifying sensors, and updating software to maintain stable performance.
By following the above steps and precautions, reproducible test results can be obtained while ensuring personnel safety, andCold and hot shock testing machineMaintain a good working condition for a long time.