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使用新的小型线性切割机对切割工具性能进行实验室和数值研究

Hamid Chakeri¹, Amin Maleki¹, Hadi Shakeri¹

¹Department of Mining Engineering, Sahand University of Technology, Tabriz, Iran.

Scientific reports

|July 2, 2025

概括

这项研究使用了一种新的小型线性切割机 (LCM) 来评估岩石切割性能. 结果指导道钻机 (TBM) 工具选择,以实现高效的挖掘和寿命.

科学领域:

地质技术工程地质技术工程
机械工程机械工程
材料科学材料科学材料科学

背景情况:

道钻井机 (TBM) 需要精确的切割工具评估,用于项目规划和成本控制.
机械化道挖掘需要大量投资,需要对机器和切头的选择进行彻底的实验室和数值测试.

研究的目的:

在不同类型的岩石上研究TBM切削工具的切削和磨损性能.
开发和使用一款新的小型线性切割机 (LCM) 用于岩石切割分析.

主要方法:

在九个岩石样本上进行了线性切割测试,使用定制的小型LCM.
分析了切割参数,包括特定能量 (SE) 和切割系数 (CC),以及磁盘磨损.
使用有限元法 (FEM) 进行数值建模的实验室试验,具有相同的边界条件.

主要成果:

玄武岩-1由于高孔性而表现出最高的特定能量;像岩-1这样的较软岩石显示出最低的特定能量.
切割系数随着透深度的增加而增加,这表明它在摩擦控制和盘轴承性能方面的重要性.
化石石灰岩记录了最高的切割系数,这是由于其细粒度结构和高摩擦.

结论:

优化透深度可以最大限度地提高挖掘速度,同时最大限度地降低力,从而提高挖掘效率.
该研究为选择合适的TBM切削工具,提高工具寿命和降低运营成本提供了有价值的数据.

关键词:

切刀的磨损是因为切刀的磨损.这是一个切割系数.这是一个切割盘的切割机.特定能源特定能源具体的透具体的透这就是TBM,TBM,TBM.

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