Tests of rubber properties under cyclical compression in determining indentation rolling resistance of conveyor belt

IF 2.1 4区材料科学 Q2 MATERIALS SCIENCE, CHARACTERIZATION & TESTING

Mechanics of Time-Dependent Materials Pub Date : 2025-03-12 DOI:10.1007/s11043-025-09771-2

Dariusz Woźniak

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引用次数: 0

Abstract

One of the most important ways to reduce energy consumption in belt conveyor transportation along horizontal routes of significant length is to ensure limited belt indentation rolling resistance. This type of resistance results from the cyclical compression of the bottom cover of the belt by idlers as the belt moves over successive idler sets. This paper presents a method for testing the dynamic properties of rubber subjected to cyclical compression. The presented analysis is multiaspect. The method parameters have been optimized to match one of the theoretical models of indentation rolling resistance calculations. The tests of dynamic properties were performed for five different rubber types and included calculations of the belt damping factor and modulus of elasticity. The theoretical model allowed for the calculations of belt indentation rolling resistance. The results were verified in indentation rolling resistance tests performed on a test rig designed for steel-cord belts. The measurements were performed for belt specimens with covers made of the tested rubber types. The calculation results highly correlated with the measurement results. The proposed method for testing the dynamic properties of rubber can not only provide data required in the calculations of the power demand from belt conveyors but also serve conveyor belt manufacturers in their search for rubber compounds used in belts that generate lower indentation rolling resistances.

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测定输送带压痕滚动阻力的循环压缩橡胶性能试验

带式输送机在大长度水平路线运输中，降低能耗的重要途径之一是保证有限的带压痕滚动阻力。这种类型的阻力是由于皮带在连续的托辊组上移动时，托辊对皮带底盖的周期性压缩造成的。本文提出了一种测试橡胶在循环压缩作用下动态性能的方法。所提出的分析是多方面的。对方法参数进行了优化，使其与压痕轧制阻力计算的理论模型相匹配。对五种不同类型橡胶进行了动态性能测试，并计算了皮带的阻尼系数和弹性模量。该理论模型允许计算带压痕滚动阻力。在钢丝绳带试验台上进行了压痕滚动阻力试验，验证了试验结果。这些测量是对带样品进行的，带的盖由所测试的橡胶类型制成。计算结果与实测结果高度相关。所提出的测试橡胶动态性能的方法不仅可以为计算带式输送机的功率需求提供所需的数据，而且可以为输送带制造商寻找用于产生较低压痕滚动阻力的输送带的橡胶化合物提供服务。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Mechanics of Time-Dependent Materials 工程技术-材料科学：表征与测试

CiteScore

4.90

自引率

8.00%

发文量

审稿时长

>12 weeks

期刊介绍： Mechanics of Time-Dependent Materials accepts contributions dealing with the time-dependent mechanical properties of solid polymers, metals, ceramics, concrete, wood, or their composites. It is recognized that certain materials can be in the melt state as function of temperature and/or pressure. Contributions concerned with fundamental issues relating to processing and melt-to-solid transition behaviour are welcome, as are contributions addressing time-dependent failure and fracture phenomena. Manuscripts addressing environmental issues will be considered if they relate to time-dependent mechanical properties. The journal promotes the transfer of knowledge between various disciplines that deal with the properties of time-dependent solid materials but approach these from different angles. Among these disciplines are: Mechanical Engineering, Aerospace Engineering, Chemical Engineering, Rheology, Materials Science, Polymer Physics, Design, and others.