Gester Instruments | Professional Textile, Footwear and PPE Testing Equipments Manufacturers Since 1997
Cold and hot shock tests test chamber operation process overview
Jester hot and cold impact test chamber also known as high and low temperature impact test chamber, rapid temperature test chamber. Hot and cold impact test box is mainly used for the test material to the extremely high temperature or low temperature resistance, this situation is similar to the situation of discontinuity in high temperature or low temperature, hot and cold impact test can make all kinds of goods in the shortest possible time to complete the test. Heat changes or physical damage is the epicenter heat bilges cold shrink to change or other physical values, caused by changes of the PID system, all kinds of products to fully trust. Thermal shock including finished cracked or broken layer and the effect of displacement caused by the electrochemical changes, such as PID automatic control system of full digital yuan, make you easy to operate. Hot and cold impact test box is widely used in new energy, battery products, electrical and electronic components, automation, communication components, auto parts, metal parts, chemical materials, plastic and other industries, the defense industry, aerospace, industrial, BGA, PCB substrate, electronic chip IC, semiconductor ceramics and physical shape change of polymer material, to test the material to pull over and over again and the product in high/low temperature heat bilges cold shrink output of chemical or physical harm, can confirm the quality of the products, from precision IC to heavy mechanical components, can be used as the basis and the reference of product improvement. Jester hot and cold impact test box in use process there is a specification, the user at the time of use for cold and hot shock tests of test chamber operation process needs to grasp skilled. Jester generally cold and hot shock tests test chamber process including pretreatment, the initial test, experiment, restore, monitoring five steps, all details are below. 1, the pretreatment: place the sample under test under the condition of normal test atmosphere, until to achieve temperature stability. 2, the initial detection: will be test samples and standard requirements, conform to the requirements can be in hot and cold impact test box directly after. 3, test: a) Test samples shall be placed in a test box, according to the requirements of standard and the test chamber ( Room) Temperature reaches the specified point and keep a certain amount of time to test the sample to reach temperature stability, the time the elder shall prevail. b） After the high temperature stage, within 5 min to convert test samples to have to adjust to - The low temperature test chamber (55 c Room) Inside, keep 1 h or until the test sample to reach temperature stability, the time the elder shall prevail. c) After low temperature stage, within 5 min transfer test samples to have to adjust to 85 ℃ high temperature test chamber, Room) Inside, keep 1 h or until the test sample to reach temperature stability, the time the elder shall prevail. d） Repeat the experiment method, complete the three cycles. According to the sample size and space size, time may be a little error. 4, the recovery: test samples from test box, should be under normal atmospheric conditions for recovery test, until the test sample to achieve temperature stability. 5, the final inspection: the damage control standard evaluation and other methods for testing results. Tags: & nbsp cold and hot shock tests test chamber operation process & NBSP rapid temperature change chamber manufacturer & NBSP high and low temperature impact test chamber
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1. ISO 5402-1: Specifies the flexometer method for testing leather flex resistance under repeated bending.
2. ISO 17694: Defines test methods for footwear upper and lining flex resistance, simulating real-world bending stress to assess long-term durability.
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