Increase of operational reliability and durability of square sectoral working bodies of flexible screw conveyors
Journal Title: Вісник Житомирського державного технологічного університету. Серія: Технічні науки - Year 2017, Vol 80, Issue 2
Abstract
The construction of the device for guiding screw sectional working bodies of increased operational reliability and durability and the method of determination of the force of guiding the design parameters are given. Two main methods of manufacturing screw mechanisms of machines of various service purposes were investigated and it was established that twisted screws, in terms of their strength and performance, considerably exceed rolling stock. The design of the device for manufacturing screw working bodies of conveyors by means of cutting by periodic and continuous methods, as the most reliable in operation, is developed. The specifics of their work are due to various operations of technological processes, as well as physical and mechanical properties of goods, determine the nomenclature and design parameters of screw mechanisms (SM). In studying the processes of forming screw spirals, the basic precision characteristics of the methods of drilling and rolling are established. A comparative study of two main methods in terms of their operational and durable capabilities has been carried out. An important factor determining the reliability and durability of a screw is the difference in the thickness of the inner and outer edges.
Authors and Affiliations
O. L. Lyashuk, T. D. Navrotska, M. D. Radyk, A. I. Pik, R. M. Kotyk
Keywords
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