E3S Web of Conf.
Volume 390, 2023VIII International Conference on Advanced Agritechnologies, Environmental Engineering and Sustainable Development (AGRITECH-VIII 2023)
|Number of page(s)
|Information Technologies, Automation Engineering and Digitization of Agriculture
|01 June 2023
Theoretical determination of the speed and number of revolutions of the grain grinder hammer propeller
1 Termez State University, 43, Street Barkamol avlod, Termez, 190111, Uzbekistan
2 Termez Engineering and Technological Institute, Termez, Uzbekistan
* Corresponding author: firstname.lastname@example.org
A mini grain grinder device was created for small farms, which is used to prepare feed by grinding grains. The main working organ of the grain grinder is a propeller with a hammer, and the grinding of grains during the work process depends on the rotation speed of the hammer and the number of revolutions of the propeller. Because when the propeller rotates, the speed of the hammer attached to it must be sufficient to crush the grains. With this in mind, theoretical studies were conducted and the rotation speed and number of rotations of the hammer propeller of the grinding device needed to grind the grains were determined. According to the research, the speed of the propeller hammer should be at least 40.2 m/s for grain crushing in the device, and this speed is ensured when the number of rotations of the hammer propeller reaches 1785 rev/min when the radius of the hammer propeller is r = 0.215 m. For rapid grinding of nutritious grains in the grinding machine, the speed of the hammer should be higher than 40.2 m/s and the number of propeller revolutions should be higher than 1785 rev/min.
© The Authors, published by EDP Sciences, 2023
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