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Cognition general aluminum profiles extrusion temperature problem!

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Update time : 2023-02-20 10:52:21
1. Instrument introduction details
In the extrusion production of general aluminum profiles, the usual practice is to use a fast thermocouple contact method to detect the temperature of the aluminum, and the general aluminum profiles has been moving in the extrusion process, the detection element must move with the profile, and can not maintain online monitoring. In addition, the manual operation method is different during the detection, and the profile is cooled immediately after the mold is out, which leads to a large deviation of the detection temperature, so it is difficult to obtain the accurate optimal match between temperature and speed. Temperature detection is divided into two categories: contact and non-contact.
2. Promotion details in the same industry
In the measurement, after considering the measured infrared radiation energy, emissivity and measured wavelength of the general aluminum profiles, the exact temperature is calculated by special compensation operation. The instrument built-in algorithm is its special compensation operation software. The optical system collects the infrared radiation energy and emissivity of the measured band of the target in the field of view, and then converts it into the corresponding electrical signal on the photodetector. The signal is converted into the temperature value of the measured target after passing through the amplifier and signal processing circuit, and correcting according to the algorithm and target emissivity set in the instrument.
3. Details of process requirements
With the acceleration of extrusion speed, the die temperature of general aluminum profiles will increase significantly. When the temperature exceeds a certain value, a variety of titles will appear in the microstructure and surface quality of aluminum. The outlet temperature of general aluminum profiles must be monitored and tested at any time to ensure the best match between extrusion output and profile quality. In general aluminum profiles extrusion production, the maximum yield is mainly determined by the extrusion speed, and the profile quality depends on the profile die temperature.
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