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Maleki, Amin, Chakeri, Hamid, Shakeri, Hadi, Khoshzaher, Erfan, Darbor, Mohammad. (1404). Experimental Study of Effects of Mechanical Properties of Rocks on Wear of Cutting Tools using a New Small-Scale Linear Cutting Machine. , 16(5), 1809-1826. doi: 10.22044/jme.2025.15033.2868
Amin Maleki; Hamid Chakeri; Hadi Shakeri; Erfan Khoshzaher; Mohammad Darbor. "Experimental Study of Effects of Mechanical Properties of Rocks on Wear of Cutting Tools using a New Small-Scale Linear Cutting Machine". , 16, 5, 1404, 1809-1826. doi: 10.22044/jme.2025.15033.2868
Maleki, Amin, Chakeri, Hamid, Shakeri, Hadi, Khoshzaher, Erfan, Darbor, Mohammad. (1404). 'Experimental Study of Effects of Mechanical Properties of Rocks on Wear of Cutting Tools using a New Small-Scale Linear Cutting Machine', , 16(5), pp. 1809-1826. doi: 10.22044/jme.2025.15033.2868
Maleki, Amin, Chakeri, Hamid, Shakeri, Hadi, Khoshzaher, Erfan, Darbor, Mohammad. Experimental Study of Effects of Mechanical Properties of Rocks on Wear of Cutting Tools using a New Small-Scale Linear Cutting Machine. , 1404; 16(5): 1809-1826. doi: 10.22044/jme.2025.15033.2868

Experimental Study of Effects of Mechanical Properties of Rocks on Wear of Cutting Tools using a New Small-Scale Linear Cutting Machine

Journal of Mining and Environment
مقاله 18، دوره 16، شماره 5، مهر و آبان 2025، صفحه 1809-1826    اصل مقاله (8.84 M)
نوع مقاله: Original Research Paper
شناسه دیجیتال (DOI): 10.22044/jme.2025.15033.2868
نویسندگان
Amin Maleki؛ Hamid Chakeri؛ Hadi Shakeri؛ Erfan Khoshzaher؛ Mohammad Darbor*
Department of Mining Engineering, Sahand University of Technology, Tabriz, Iran.
چکیده
Today, due to technological advancements and increasing demand, various types of Tunnel Boring Machines (TBM) are extensively used for tunneling in both soil and rock. The mechanical excavation method has become attractive in tunnel excavation and underground spaces due to its high safety, rapid progress rate, low human labor requirement, and mechanization capability. The high capital costs of mechanical excavation make it essential to conduct laboratory tests, such as linear cutting tests on rocks, before selecting the machine type and adjusting the cutter head blade. The main objective of this study is to investigate the impact of rock mechanical properties on the cutting tool wear using a newly developed small-scale Linear Cutting Machine (LCM). To achieve this, laboratory linear cutting tests on rocks were conducted after constructing the small-scale linear cutting machine. To evaluate the rock cuttability and analyze the performance of disc cutters, 5 rock samples were used at three different penetration depths of 1, 1.5, and 2 mm. The results showed that the wear values of the cutting discs increased with penetration depth in all rock types, with the highest wear observed in basalt. Additionally, Brazilian tensile strength exhibited the highest correlation with cutting disc wear parameters. Furthermore, these studies indicated that determining the mineralogical and physical characteristics of rocks, such as texture, crystal size, and porosity, alongside their mechanical properties, is crucial for predicting rock wear.
کلیدواژه‌ها
TBM؛ LCM؛ Disc cutter؛ Cutting forces؛ Wear
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آمار
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