Aspects of Selecting Appropriate Conveyor Belt Strength

Breaks in the so-called “continuous” (unspliced) belt sections, and not in the spliced areas, are infrequent but do happen in practice. This article presents some aspects, which may account for such breaks in conveyor belts. It indicates the so-called “sensitive points” in design, especially in the...

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Main Authors: Dariusz Woźniak, Monika Hardygóra
Format: Article
Language:English
Published: MDPI AG 2021-09-01
Series:Energies
Subjects:
Online Access:https://www.mdpi.com/1996-1073/14/19/6018
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author Dariusz Woźniak
Monika Hardygóra
author_facet Dariusz Woźniak
Monika Hardygóra
author_sort Dariusz Woźniak
collection DOAJ
description Breaks in the so-called “continuous” (unspliced) belt sections, and not in the spliced areas, are infrequent but do happen in practice. This article presents some aspects, which may account for such breaks in conveyor belts. It indicates the so-called “sensitive points” in design, especially in the transition section of the conveyor belt and in identifying the actual strength of the belt. The presented results include the influence of the width of a belt specimen on the identified belt tensile strength. An increase in the specimen width entails a decrease in the belt strength. The research involved develops a universal theoretical model of the belt on a transition section of a troughed conveyor in which, in the case of steel-cord belts, the belt is composed of cords and layers of rubber, and in the case of a textile belt, of narrow strips. The article also describes geometrical forces in the transition section of the belt and an illustrative analysis of loads acting on the belt. Attention was also devoted to the influence of the belt type on the non-uniform character of loads in the transition section of the conveyor. A replacement of a conveyor belt with a belt having different elastic properties may increase the non-uniformity of belt loads in the transition section of the conveyor, even by 100%.
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spelling doaj.art-db268e7fbf8b44e58eacdba21147e2ad2023-11-22T15:58:03ZengMDPI AGEnergies1996-10732021-09-011419601810.3390/en14196018Aspects of Selecting Appropriate Conveyor Belt StrengthDariusz Woźniak0Monika Hardygóra1Faculty of Geoengineering, Mining and Geology, Wroclaw University of Science and Technology, Na Grobli 15 St., 50-421 Wrocław, PolandFaculty of Geoengineering, Mining and Geology, Wroclaw University of Science and Technology, Na Grobli 15 St., 50-421 Wrocław, PolandBreaks in the so-called “continuous” (unspliced) belt sections, and not in the spliced areas, are infrequent but do happen in practice. This article presents some aspects, which may account for such breaks in conveyor belts. It indicates the so-called “sensitive points” in design, especially in the transition section of the conveyor belt and in identifying the actual strength of the belt. The presented results include the influence of the width of a belt specimen on the identified belt tensile strength. An increase in the specimen width entails a decrease in the belt strength. The research involved develops a universal theoretical model of the belt on a transition section of a troughed conveyor in which, in the case of steel-cord belts, the belt is composed of cords and layers of rubber, and in the case of a textile belt, of narrow strips. The article also describes geometrical forces in the transition section of the belt and an illustrative analysis of loads acting on the belt. Attention was also devoted to the influence of the belt type on the non-uniform character of loads in the transition section of the conveyor. A replacement of a conveyor belt with a belt having different elastic properties may increase the non-uniformity of belt loads in the transition section of the conveyor, even by 100%.https://www.mdpi.com/1996-1073/14/19/6018conveyor beltbelt tensile strengthtransition sectiontheoretical model
spellingShingle Dariusz Woźniak
Monika Hardygóra
Aspects of Selecting Appropriate Conveyor Belt Strength
Energies
conveyor belt
belt tensile strength
transition section
theoretical model
title Aspects of Selecting Appropriate Conveyor Belt Strength
title_full Aspects of Selecting Appropriate Conveyor Belt Strength
title_fullStr Aspects of Selecting Appropriate Conveyor Belt Strength
title_full_unstemmed Aspects of Selecting Appropriate Conveyor Belt Strength
title_short Aspects of Selecting Appropriate Conveyor Belt Strength
title_sort aspects of selecting appropriate conveyor belt strength
topic conveyor belt
belt tensile strength
transition section
theoretical model
url https://www.mdpi.com/1996-1073/14/19/6018
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AT monikahardygora aspectsofselectingappropriateconveyorbeltstrength