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Han-eol Kim, Sang-gui Ha, Hafeezur Rehman and Han-kyu Yoo
Mechanical methods of tunnel excavation are widely used because of their high excavation output, and the selection of appropriate technology depends on ground composition and project-related features. Compared with tunnel boring machines (TBMs) and roadh...
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Matteo Bottin, Silvio Cocuzza and Matteo Massaro
The proposed variable stiffness mechanism will be used in robotic deburring applications, in particular in applications with high and irregular burr profiles, ensuring a precision cut without damaging the cutting tool or the robot.
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János György Bátorfi, Mátyás Andó
Pág. 136 - 144
The authors analyzed the force and stress values in the simplified cutting model and compared the results with the literature. For the study a 2D model was created in DEFORM 2D finite element software, using the temperature depended multilinear flow...
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Benjámin Borsos, András Csörgo, Anna Hidas, Bálint Kotnyek, Antal Szabó, Attila Kossa, Gábor Stépán
Pág. 44 - 54
Despite crucial efforts invested into computational methods, explicit dynamics simulation of cutting operations may still be unacceptably expensive. Therefore, in many cases a two-dimensional model is considered. Here an overview of the possibilities of ...
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Enze Shao, Qichang Mei, Tongjun Ye, Bálint Kovács, Julien S. Baker, Wei Liu and Yaodong Gu
Interval running methodologies simulate competition and training conditions, with the aim of enhancing an athletes? ability to cope with constant deceleration, acceleration, and sudden changes in direction, as associated athletic and performance challeng...
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Cyril Bourgenot, Valdis Krumins, David G. Bramall and Abdul M. Haque
CubeSats, known for their compact size and cost effectiveness, have gained significant popularity. However, their limited size imposes restrictions on the optical aperture and, consequently, the Ground Resolution Distance in Earth Observation missions. T...
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Zhaolong Zhu, Dietrich Buck, Xiaolei Guo, Pingxiang Cao and Mats Ekevad
This paper investigated the machinability of a stone?plastic composite (SPC) via orthogonal cutting with diamond cutters. The objective was to determine the effect of cutting depth on its machinability, including cutting forces, heat, chip formation, and...
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Shuhe Zheng, Chongcheng Chen and Yuming Guo
Aiming at the problems found in grinding Jun-Cao, such as poor grinding effect and high grinding power of mill, this study proposes a blade Jun-Cao grinding hammer based on the traditional hammer mill. With dynamics model analysis, it had better performa...
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Fajar Perdana Nurullah, Abdul Muhyi, Devia Gahana Cindi Alfian
Pág. 299 - 306
The use of composite materials continues to show an increasing trend in various fields such as sports, aviation and the military. This also increases the need for knowledge about the manufacturing process of composites. One of the most widely used compos...
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Fajar Perdana Nurullah, Abdul Muhyi, Devia Gahana Cindi Alfian
Pág. 299 - 306
The use of composite materials continues to show an increasing trend in various fields such as sports, aviation and the military. This also increases the need for knowledge about the manufacturing process of composites. One of the most widely used compos...
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Kazimierz A. Orlowski, Przemyslaw Dudek, Daniel Chuchala, Wojciech Blacharski and Tomasz Przybylinski
Cutting wood with circular saws is a popular machining operation in the woodworking and furniture industries. In the latter sliding table saws (panel saws) are commonly used for cutting of medium density fiberboards (MDF), high density fiberboards (HDF),...
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Mahros Darsin,Timotius Pasang,Zhan Chen
Pág. 23 - 30
This paper concerns on drillability of Ti-6Al-2Sn-4Zr-6Mo (Ti-6246) from the point view of thrust force (Fz) & torque (Mz) using a TiAlN CVD coated carbide tool. The condition of the material was varied with three different heat treatments. Whereas, the ...
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István Biró, Miklós Czampa, Tibor Szalay
Pág. 16 - 22
Machining and more specifically face milling are productive ways of material shaping. Predictive models are very important for effective: quick, easy-to-use and accurate process planning. There are many industrial and scientific researches about modellin...
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Jean Robert Pereira Rodrigues, Tiago do Espírito Santo Baldez Neves, Marcio Bacci da Silva, Keyll Carlos Ribeiro Martins, José Ribamar dos Santos Ribeiro, Adilto Pereira Andrade Cunha
Pág. 257 - 262
The cutting fluids in machining, when chosen and applied adequately can contemplate in benefits during the manufacturing processes. The selected method should allow the cutting fluid to reach the closest possible of the cutting edge lubricating the chip-...
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Aydin Salimi, Mohammad Zadshakoyan, Ahmet Özdemir, Esmaeil Seidi
Pág. 669 - 676
In automation flexible manufacturing systems, tool wear detection during the cutting process is one of the most important considerations. This study presents an intelligent system for online tool condition monitoring in drilling process. In this paper, a...
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Francisco Mata, J. Paulo Davim
En este artículo se recurre a métodos estadísticos para analizar la maquinabilidad de mate-riales compuestos de matriz termoplástica.Se aplicará el análisis ANOVA para cuantificar la influencia de los parámetros funcionales de corte sobre la evolución d...
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Yajie Li and Yun Long
A two-dimensional boundary element method is used to study the hydrodynamics of a single barge with prescribed motions of large amplitudes and high frequencies. The wave radiation problem is solved in the time domain based on the fully nonlinear potentia...
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Lauren?iu Constantin Vladu?oiu, Georgiana Chisiu, Andrei Tudor, Nicolae-Valentin Vladu?, Lucian Fechete Tutunaru, Eugen Marin and Iulia-Andrea Grigore
This paper presents the interaction system within the mechanical soil processing process, consisting of two large elements, the metal of the tool and the soil. Due to the two main forces acting on the chisel knives?friction and impact with the sandy soil...
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Zhangping You, Haiyang Yuan and Xiaoping Ye
Titanium alloys are extensively utilized in the aerospace industry due to their exceptional properties, encompassing high specific strength and corrosion resistance. Nevertheless, these alloys present inherent challenges as difficult-to-machine materials...
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Artur Knap, ?tepánka Dvorácková and Tomá? Knápek
Glass fibers are often used as reinforcing fibers in reinforced polymers. Composites reinforced with glass fibers (GFRP) stand out with excellent mechanical and physical properties applicable to industrial practice. Machining these composites requires th...
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