Answers to questions about the hottest thermal sho
2022-10-14- Detail
Many users don't know much about the cold and hot shock test chamber. After all, it is a testing instrument with complex functions, so there will be various questions when using it. Today Kunshan Haida instrument summarizes some of your questions here to help you better understand the cold and hot shock test chamber
question 1: is the temperature change rate of temperature shock test the faster the better
answer: is the temperature change rate in the temperature impact test the faster the better? Does the temperature change rate have an impact on the test results? What kind of temperature change rate is a good impact temperature change rate
question 2: how to distinguish between temperature shock and temperature cycle
answer: what is the difference between temperature shock and temperature cycle, or are they both the same, just different names
question 3: how to decide the time of the superposition of multiple liquidation crises in the temperature shock test
answer: during the impact process, there is the so-called residence time. How to determine the residence time of the test object depends on the quantity of the test object or the material of the test object
question 4: does the impact temperature need to be over or lower than the set value
answer: in the process of impact, should the impact temperature be higher than the set value or lower than the set value
answer: should the temperature sensor of the impact tester be placed in the test area or in the air duct
question 6: high temperature or low temperature first
answer: in the temperature impact test, the temperature is usually used when testing the elongation of materials because it should be high temperature or low temperature first. How to decide if there is no requirement in the specification
question 7: why do some impacts need to be over normal temperature
answer: why do some impacts need to be over normal temperature, while some impacts do not need to be over normal temperature? What is the impact of over normal temperature impact test on products
question 8: can the use of oven and freezer replace the cold and hot shock machine for testing
answer: if you don't have enough money to buy a cold and hot shock machine, can you use the oven and freezer to replace the cold and hot shock machine through manual handling
question 9: how to calculate the estimated life of the product through the cold and hot shock machine
answer: can the possible service life of the product be calculated and estimated by using the cold and hot impact machine
question 10: the main purchased parts in the test are domestic excellent products. Question: the key points of holding the products to be tested
answer: to take the tested product to the test furnace and place it, how to take it correctly
question 11: how long does the test furnace wall need to be wiped
answer: how long does the test furnace wall need to be wiped, annual maintenance, seasonal maintenance or weekly maintenance? What will happen if it is not wiped
question 12: what should I do if I want to shorten the test time
answer: is there any way to shorten my test time and make the test results the same when I carry out high temperature and high humidity test or impact test
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