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首页> 外文期刊>E3S Web of Conferences >Loads on cutter teeth for removing asphalt pavement
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Loads on cutter teeth for removing asphalt pavement

机译：刀齿上的载荷用于清除沥青路面

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摘要

Machines and equipment for asphalt pavement milling are widely used throughout the world. With the growth of road construction, the demand for this class of machinery also rises. At the same time, the optimization of design and technological parameters of the milling machines is impossible without a comprehensive study of processes of milling asphalt concrete with the working elements of a cutter. The article provides a brief overview of different approaches to find out the loads on the working bodies of various machines, as well as indicates the advantages and disadvantages of these approaches. We describe the design of a pendulum stand used to study the processes of milling asphalt concrete with a single tooth cutter. We also describe the method of operation of such a stand. The design of the pendulum stand allows us to determine the cutting work, the average, and the instantaneous cutting forces. The work also provides the result of tests of cutting elements during their interaction with samples of asphalt concrete of different grades that are widely used in road construction. We also show the non-linear dependence of cutting resistance forces on the temperature and thickness of penetration of a cutting element. It is noted that working with a slight tooth penetration leads to low energy efficiency of the work process. It is also noted that temperature affects cutting resistance forces significantly less in asphalt concrete containing high amount of gravel.
机译：沥青路面铣削的机器和设备在世界范围内广泛使用。随着道路建设的增长，对此类机械的需求也在增加。同时，如果不全面研究使用铣刀的工作元件铣削沥青混凝土的过程，就不可能优化铣刨机的设计和工艺参数。本文简要概述了各种方法，以找出各种机器的工作负载，并指出了这些方法的优缺点。我们描述了一种摆式支架的设计，该支架用于研究用单齿铣刀碾磨沥青混凝土的过程。我们还将描述这种支架的操作方法。摆式支架的设计使我们能够确定切削功，平均切削力和瞬时切削力。这项工作还提供了切削元素与道路施工中广泛使用的不同等级的沥青混凝土样品相互作用时的测试结果。我们还显示了切削阻力对切削元件的温度和穿透厚度的非线性依赖性。应当指出，轻微的牙齿渗透会导致工作过程的能源效率低下。还应注意，温度对含大量砾石的沥青混凝土的抗切割力影响较小。

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