Influence of Physical and Constructive Parameters on Durability of Sieves of Grain Cleaning Machines
1
Poltava State Agrarian University, 1/3, Skovorodi Str., Poltava, 36003, Ukraine
2
Sumy National Agrarian University, 160 Herasyma Kondratieva Street, Sumy, 40000, Ukraine
3
Lublin University of Technology, ul. Nadbystrzycka 36, 20-618 Lublin, Poland
4
Lviv National Agrarian University, 1 V. Velykoho Str., Dubliany, 80381, Ukraine
Corresponding author
Adv. Sci. Technol. Res. J. 2022; 16(6):156-165
KEYWORDS
TOPICS
Material EngineeringMechanical EngineeringModeling and Simulation in EngineeringComputational Methods in Mechanical EngineeringEngineering and Technological Design
ABSTRACT
The influence of parameters of technological loading, properties of grain mixes and constructive parameters of sieves on the values of the formed equivalent stresses and their durability is given. The change in equivalent stresses was studied both on serial sieves with basic triangular holes and on sieves with activators – innovative holes in the form of an epicycloid. Finite element method based on Pro/ENGINEER product and research data is used to predict the durability of perforated sieves. It was found that the use of activators on sieves, due to their innovative forms, increases the durability of the perforated sieve by 12.3 %. The developed technique allows to analyze different designs of sieve openings by the criterion of their durability.
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