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SCIENTIFIC COUNCIL DSc.03/30.12.2019.T.03.04. ON AWARDING


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SCIENTIFIC COUNCIL DSc.03/30.12.2019.T.03.04. ON AWARDING 
SCIENTIFIC DEGREES AT THE TASHKENT STATE TECHNICAL 
UNIVERSITY 
 
 
TASHKENT STATE TECHNICAL UNIVERSITY 
NAMED AFTER ISLAM KARIMOV 
 
 
 
 
 
SOBIROV BEKZODBEK AHMADJONOVICH 
 
 
 
BASICS OF CREATING HETEROCOMPOSITE POLYMERIC 
MATERIALS AND COATINGS FROM LOCAL RAW MATERIALS FOR 
MACHINE PARTS 
 
 
 
05.02.01-Materials science in mechanical engineering. Foundry. Heat 
treatment and metal forming. Metallurgy of ferrous, non-ferrous and rare 
metals (in the direction of foundry and metal processing technologies) 
 
 
 
 
ABSTRACT OF THESIS OF DOCTOR OF PHILOSOPHY (PhD) 
IN TECHNICAL SCIENCES 
 
 
 
 
 
 
 
 
 
 
 
 
Tashkent – 2020 


49 


50 
INTRODUCTION (abstract of PhD thesis) 
 
The purpose of the research work is the creation of one-piece injection 
molded parts or parts with a polymer coating to increase the operational reliability 
and efficiency of technological equipment for the primary processing of cotton. 
The tasks of research: 
to development of criteria for quantitative and qualitative assessment of 
mechanical damage to fibers and seeds based on the analysis of the theoretical 
foundations of multifactorial criterional prediction; 
to effective use of the mathematical apparatus and modern computer 
technologies to ensure the reliability of research results; 
to creation of technological molds for the manufacture of pile parts for 
breaking a cotton bundle from antifriction-wear-resistant heterocomposite 
polymeric materials; 
to optimization of technological modes and geometric parameters for 
obtaining cast parts of machine working bodies from anti-friction-wear-resistant 
heterocomposite polymer materials; 
to implementation of research results and assessment of technical and 
economic efficiency. 

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