Computer control low-temperature automatic impact tester is used to determine the resistance of metal materials to impact under dynamic load, so as to judge the properties of the material under dynamic load. The difference between the front energy of the pendulum and the remaining energy after the impact is displayed on the dial to obtain the absorbed work of the sample. The maximum impact energy is 300J, and a 150J pendulum is attached. The cross-section of the sample used is (10×10) mm. This machine has large impact energy and is suitable for ferrous metals with large impact toughness, such as steel and its alloys.

This machine is an integrated machine for low-temperature test and impact test. It is equipped with a pneumatic special sample feeding device to automatically send samples. The pneumatic end face positioning method is used to center the sample to ensure that the sample is released after the low-temperature test, and the impact time does not exceed 4 seconds. Improve test accuracy and work efficiency. Sample cooling, constant temperature, temperature adjustment, pendulum taking, hanging pendulum, sample delivery, positioning, and impact are all automatically controlled by electrical appliances and completed automatically. After breaking the sample, the remaining energy is used to automatically raise the pendulum to prepare for the next impact test. Therefore, it is better to demonstrate its superiority in the laboratory that continuously conducts low-temperature impact tests and the metallurgical and machinery manufacturing plants that do a large number of low-temperature impact tests. sex.

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