Understanding the extrusion temperature of aluminum profile

1. Introducing the details of the instrument. In the production of aluminum profile extrusion, the usual method is to use a fast thermocouple contact method to detect the temperature of the aluminum profile. During the extrusion process, the profile is always moving, and the detection element must move with the profile and cannot be kept online. Monitoring, and the human operation method is different during the detection, the profile is cooled immediately after being ejected from the mold, resulting in a large deviation in the detection temperature detection, so it is difficult to obtain an accurate temperature and the best match of the speed. Temperature detection is divided into two categories: contact and non-contact.　　2. Promotional details in the same industry 　　 When measuring, after considering the infrared radiation energy, emissivity and wavelength of the measured aluminum material, the accurate temperature is calculated through special compensation calculations. The built-in algorithm of the instrument is its special compensation calculation software. The optical system collects the infrared radiation energy and emissivity of the measured waveband of the target in the field of view, and then converts the photodetector into the corresponding electrical signal. The signal passes through the amplifier and signal processing circuit, and is converted into the temperature value of the measured target after being corrected according to the algorithm and target emissivity set in the instrument. 3. Details of process requirements. With the acceleration of the extrusion speed, the temperature of the profile mold will increase significantly. When the temperature exceeds a certain value, the structure and surface quality of the aluminum will have a variety of titles. For this reason, the aluminum must be adjusted at any time. The temperature of the material outlet is monitored and tested to ensure the best match between the extrusion output and the quality of the profile. Usually in aluminum extrusion production, the maximum output is mainly determined by the extrusion speed, and the quality of the profile depends on the temperature of the profile. ————The article comes from the Internet. If there is any infringement, please contact to delete it.
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