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Relevant bibliographies by topics / Machine-tools Machine-tools Materials Torsion

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Academic literature on the topic 'Machine-tools Machine-tools Materials Torsion'

Author: Grafiati

Published: 4 June 2021

Last updated: 16 February 2022

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Journal articles on the topic "Machine-tools Machine-tools Materials Torsion"

1

Abdulkareem, Sulaiman, Ridwan Busari, Lateef Fashola, and Ikechukwu Madu. "Characteristics of Notched High Strength Materials Under Tension, Torsion and Impact Loading." International Journal of Engineering Materials and Manufacture 5, no. 3 (2020): 68–75. http://dx.doi.org/10.26776/ijemm.05.03.2020.01.

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High carbon steel (AISI 1065) and stainless steel (AISI 304) are high strength materials that are mostly used as wear resistance materials because of there high hardness and toughness. These two materials are widely used for applications in which high strength, hardness and wear resistance are required, these requirement are fund in cutting tools, springs and surgical instruments. Nevertheless, the presence of notch in these materials do affect their service life. This paper reports on the characteristics of notched high carbon steel and stainless steel materials investigated under tensile, torsion and impact loads. The behaviour of the materials were examined under different notch parameters of angle 30°, 45° and 60° and notch base radius of 0.5 mm and 1.0 mm. The tensile, torsion and impact test samples were prepared according to ASTM E8M, ASTM F383-15 and ASTM E23-16b respectively. Examination on the tensile and torsion tests were carried out on Testometric Universal Testing Machine (TUTM), while Avery-Denison Izod impact testing machine was used for impact test. The results obtained for the two materials showed that there is increase in absorption energy and resistance to twisting failure as notch tip radius and notch angle increase.

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2

Chinnuraj, Shanmugam, PR Thyla, S. Elango, et al. "Static and dynamic behavior of steel-reinforced epoxy granite CNC lathe bed using finite element analysis." Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications 234, no. 4 (2020): 595–609. http://dx.doi.org/10.1177/1464420720904606.

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Machine tools are used to manufacture components with desired size, shape, and surface finish. The accuracy of machining is influenced by stiffness, structural damping, and long-term dimensional stability of the machine tool structures. Components machined using such machines exhibit more dimensional variations because of the excessive vibration during machining at higher speeds. Compared to conventional materials like cast iron, stone-based polymer composites such as epoxy granite have been found to provide improved damping characteristics, by seven to ten folds, due to which they are being considered for machine tool structures as alternate materials. The stiffness of structures made of epoxy granite can be enhanced by reinforcing with structural steel. The current work highlights the design and analysis of different steel reinforcements in the lathe bed made of the epoxy granite composite to achieve equivalent stiffness to that of cast iron bed for improved static and dynamic performances of the CNC lathe. A finite element model of the existing the cast iron bed was developed to evaluate the static (torsional rigidity) and dynamic characteristics (natural frequency) and the results were validated using the experimental results. Then finite element models of five different steel reinforcement designs of the epoxy granite bed were developed, and their static and dynamic behaviors were compared with the cast iron bed through numerical simulation using finite element analysis. The proposed design (Design-5) of the epoxy granite bed is found to have an improvement in dynamic characteristics by 4–10% with improved stiffness and offers a mass reduction of 22% compared to the cast iron bed, hence it can be used for the manufacture of the CNC lathe bed and other machine tool structures for enhanced performance.

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Mahendrakumar, N., PR Thyla, PV Mohanram, C. Raja Kumaran, and J. Jayachandresh. "Study on static and dynamic characteristics of nettle–polyester composite micro lathe bed." Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications 233, no. 2 (2016): 141–55. http://dx.doi.org/10.1177/1464420716663568.

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Nowadays, natural fibre-reinforced composites find applications in almost all engineering fields. This work is an attempt to realise improvement in dynamic characteristics of micro lathe bed using Himalayan nettle (Girardinia heterophylla) polyester (NP) composite as an alternate material. In order to study and validate the improvements envisaged, a cast iron micro lathe bed is considered as reference. Numerical (FE) model of the cast iron micro lathe bed was developed and validated through experimental static and modal analysis. Finite element analysis of the micro lathe bed with the existing cast iron material as well as with nettle–polyester composite as alternate material was also carried out using worst case cutting forces, and based on the relative performances, the need for form design modification for the proposed material was identified. To enhance the bending and torsional stiffness of the nettle–polyester composite lathe bed, various cross sections and rib configurations were studied and the best among them was identified and the same was implemented in the nettle–polyester composite micro lathe bed design. Finite element analysis of the newly designed nettle–polyester composite micro lathe bed was performed and the improvements in dynamic characteristics were evaluated. The newly designed nettle–polyester composite micro lathe bed was fabricated and the predicted enhancement in static and dynamic characteristics was verified experimentally. The studies indicated that nettle–polyester composite could be considered as a suitable alternate to cast iron structures in machine tools.

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NAKAJIMA, Toru. "Construction Equipments and Machine Tools." JOURNAL OF THE JAPAN WELDING SOCIETY 79, no. 5 (2010): 488–89. http://dx.doi.org/10.2207/jjws.79.488.

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Bosetti, Paolo, Matteo Ragni, and Matteo Leoni. "Modern machine-learning tools for crystallography." Acta Crystallographica Section A Foundations and Advances 73, a2 (2017): C562. http://dx.doi.org/10.1107/s2053273317090118.

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6

Green, Robert. "Blast cleaning — the Cinderella of machine tools." Anti-Corrosion Methods and Materials 33, no. 5 (1986): 4–5. http://dx.doi.org/10.1108/eb020439.

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7

Weck, M., S. Fischer, and M. Vos. "Fabrication of microcomponents using ultraprecision machine tools." Nanotechnology 8, no. 3 (1997): 145–48. http://dx.doi.org/10.1088/0957-4484/8/3/007.

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8

Aggogeri, Francesco, Alberto Borboni, Angelo Merlo, and Nicola Pellegrini. "Machine Tools Thermostabilization Using Passive Control Strategies." Advanced Materials Research 590 (November 2012): 252–57. http://dx.doi.org/10.4028/www.scientific.net/amr.590.252.

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The aim of this study is to investigate passive control strategies using Phase Change Materials in Machine Tools (MTs) thermostabilization. By considering the main issues related to the thermal stability, authors presented the application of novel multifunctional materials to Machine Tools structures. A set of advanced materials are considered: aluminium foams, corrugate-core sandwich panels and polymeric concrete beds. The adopted solutions have been infiltrated by phase change materials (PCMs) in order to maintain the thermal stability of MTs when the environmental temperature is perturbed. The paper shows the results of simulative and experimental tests.

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Kim, Taejung, Seung-kil Son, and Sanjay E. Sarma. "On actuator reversal motions of machine tools." Mechanism and Machine Theory 39, no. 3 (2004): 299–322. http://dx.doi.org/10.1016/j.mechmachtheory.2003.09.002.

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Ohkawa, Yoshihiro. "Optimizing the Paper Machine and its Tools." JAPAN TAPPI JOURNAL 61, no. 2 (2007): 168–73. http://dx.doi.org/10.2524/jtappij.61.168.

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Dissertations / Theses on the topic "Machine-tools Machine-tools Materials Torsion"

1

Moscrop, Jeffrey William. "Modelling, analysis and control of linear feed axes in precision machine tools." Access electronically, 2008. http://ro.uow.edu.au/theses/27.

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2

Steed, William T. "Torsional Stiffness Measuring Machine (TSMM) and Automated Frame Design Tools." University of Cincinnati / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1273168255.

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Hecker, Rogelio Lorenzo. "Part surface roughness modeling and process optimal control of cylindrical grinding." Diss., Georgia Institute of Technology, 2002. http://hdl.handle.net/1853/16704.

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Fontanive, Fernanda. "Análise da influência dos parâmetros de processo no fresamento de Inconel 718 sobre o desgaste e a qualidade superficial." reponame:Repositório Institucional da UCS, 2018. https://repositorio.ucs.br/handle/11338/3661.

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JESUS, EDILSON R. B. de. "Ferramentas de usinagem em aco rapido AISI M2 obtido por conformacao por 'Spray'." reponame:Repositório Institucional do IPEN, 2004. http://repositorio.ipen.br:8080/xmlui/handle/123456789/11244.

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Made available in DSpace on 2014-10-09T12:49:52Z (GMT). No. of bitstreams: 0<br>Made available in DSpace on 2014-10-09T14:03:11Z (GMT). No. of bitstreams: 0<br>Tese (Doutoramento)<br>IPEN/T<br>Instituto de Pesquisas Energeticas e Nucleares - IPEN/CNEN-SP

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Clauzel, Maryline. "Désorption forcée de tensioactifs à l'interface polymère-eau." Phd thesis, Université Louis Pasteur - Strasbourg I, 2006. http://tel.archives-ouvertes.fr/tel-00350239.

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Les recherches présentées dans ce mémoire s'intéressent à la désorption du tensioactif dans les films de latex en cours de séchage. Les travaux concernent d'une part l'élaboration d'un système expérimental modélisant le rapprochement de deux particules de latex recouvertes de tensioactif pour accéder aux paramètres influençant la désorption, et d'autre part l'étude de ce phénomène directement sur un latex. Un protocole pertinent de fabrication d'un film polymère mince déposé sur du mica, de faible rugosité, et résistant à une immersion prolongée dans un milieu aqueux a été obtenu. L'adsorption d'un tensioactif anionique, le dodécyl sulfate de sodium (SDS) sur un film polymère de poly (méthacrylate d'éthyle) (PEMA) est investiguée par microscopie à force atomique et indique la présence d'agrégats de surface dont la densité croit lorsque la concentration en tensioactif dans la solution dépasse la concentration micellaire critique (CMC). Le profil des interactions s'exerçant entre deux surfaces de polymère immergées en solutions aqueuses de tensioactif en fonction de la séparation entre les interfaces est obtenu par la technique de mesure des forces de surface (surface force apparatus, SFA), et permet de répondre à la question de l'occurrence ou non de la désorption du tensioactif (SDS) lorsque le milieu aqueux intermédiaire séparant les interfaces de PEMA est réduit jusqu'au contact physique, comme dans le mécanisme de séchage lorsque les colloïdes de latex se rapprochent au fur et à mesure que l'eau disparaît. L'étude de la désorption du tensioactif dans un système réel, à savoir lors du séchage d'un film de latex, est menée par mesures d'anisotropie de fluorescence et mesures par résonateur de torsion et montre la simultanéité entre la perte de mobilité de la sonde fluorescente hydrophile et l'évaporation de l'eau, augurant d'un comportement analogue pour le tensioactif.

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7

Yang, Zhuo. "Torsional Shear Strength and Size Effect in Structural Composite Lumber." 2012. https://scholarworks.umass.edu/theses/964.

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The natural variation of strength properties within brittle materials leads to size effect, a well-known phenomenon whereby the mean strength of a material is observed to decrease as the stressed volume increases. An important implication of size effect is that size adjustment parameters must be incorporated into multi-axial constitutive and failure models used in numerical simulations to predict material response to loading. This experimental study seeks to verify and quantify the presence of depth effect under shear failure in the orthotropic principal material directions of parallel strand lumber (PSL) and laminated veneer lumber (LVL). Torsion tests have been performed on specimens of fixed length and differing cross section to get a pure shear failure, by using a Universal Test Machine. The experimental results indicate that there is no depth effect for LVL from torsional shear stresses. PSL testing was limited to one size, and depth effect was not evaluated. A finite element model was built to simulate the torsional test for the 44x140mm LVL specimen. Comparing the experimental test results and the simulation results, the model provided an accurate prediction of the torsional test for Structural Composite Lumber.

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Books on the topic "Machine-tools Machine-tools Materials Torsion"

1

Itō, Y. Thermal deformation in machine tools. McGraw-Hill, 2010.

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2

Jaworska, Lucyna, and Piotr Klimczyk. Tooling materials. Institute of Advanced Manufacturing Technology, 2011.

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3

Stobierski, Ludosław. Spiekane materiały narzędziowe przeznaczone na ostrza narzędzi do obróbki z wysokimi prędkościami skrawania. Instytut Zaawansowanych Technologii Wytwarzania, 2010.

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4

Jackson, Mark J. High Performance Grinding and Advanced Cutting Tools. Springer New York, 2013.

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5

Canada. Dept. of External Affairs. Studies in Canadian export opportunities in the U.S. market: Metalworking machinery and machine tools. Dept. of External Affairs, 1988.

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Affairs, Canada Dept of External. Studies in Canadian export opportunities in the U.S. market: Metalworking machinery and machine tools. External Affairs, Canada, 1989.

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Holdsworth, Ian. A student's guide to health and safety in the design and technology workshop. Engineering Council, 1996.

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Said, Jahanmir, National Institute of Standards and Technology (U.S.), National Science Foundation (U.S.), and United States Navy, eds. Machining of advanced materials: Proceedings of the International Conference on Machining of Advanced Materials, July 20-22, 1993, Gaithersburg, Maryland. U.S. Dept. of Commerce, National Institute of Standards and Technology, 1993.

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9

Temple, Black J., and Kohser Ronald A, eds. Materials and processes in manufacturing. 8th ed. Wiley, 1999.

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Temple, Black J., and Kohser Ronald A, eds. Materials and processes in manufacturing. 8th ed. Prentice Hall, 1997.

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Book chapters on the topic "Machine-tools Machine-tools Materials Torsion"

1

Holub, Michal. "Geometric Accuracy of Machine Tools." In Materials Forming, Machining and Tribology. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-030-03822-9_3.

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Kumar, Kaushik, Divya Zindani, and J. Paulo Davim. "Machine Tools: Numerical Control Perspective." In Materials Forming, Machining and Tribology. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-76075-9_1.

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3

Mosavi, Amir, Timon Rabczuk, and Annamária R. Varkonyi-Koczy. "Reviewing the Novel Machine Learning Tools for Materials Design." In Advances in Intelligent Systems and Computing. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-67459-9_7.

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Chen, Chin Yin, and Chi Cheng Cheng. "3D Model Based Design for Control of a Mechatronic Machine Tools System." In Materials Science Forum. Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/0-87849-990-3.967.

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Kim, S. C., C. H. Lee, and B. H. Lee. "Measurement of Finishing Errors for Evaluation of Dynamic Characteristics of NC Machine Tools." In Key Engineering Materials. Trans Tech Publications Ltd., 2005. http://dx.doi.org/10.4028/0-87849-977-6.625.

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6

TÖnshoff, H. K., W. Bussmann, and C. Stanske. "Requirements on Tools and Machines When Machining Hard Materials." In Proceedings of the Twenty-Sixth International Machine Tool Design and Research Conference. Macmillan Education UK, 1986. http://dx.doi.org/10.1007/978-1-349-08114-1_45.

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Chang, Chia Wei, M. H. Chu, Yi Wei Chen, S. Y. Chien, and Yuan Kang. "Dynamic Model Based on Genetic Algorithms of Prediction for the Thermal Deformation of Machine Tools." In Materials Science Forum. Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/0-87849-990-3.163.

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Terpstra, Marten. "Gas turbine parts, engine parts, machine tools, parts of blast furnaces and various steel foundry equipment and other applications." In Materials for Refractories and Ceramics. Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-4325-4_21.

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Senderowitz, Hanoch, Abraham Yosipof, and Omer Kaspi. "Application of Materials Informatics Tools to the Analysis of Combinatorial Libraries of All Metal-Oxides Photovoltaic Cells." In Artificial Neural Networks and Machine Learning – ICANN 2019: Workshop and Special Sessions. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-30493-5_70.

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Li, Zhen Jia, Yao Nan Cheng, Guang Yu Tan, Yan Bo Wang, and Yi Ming Rong. "Study on the Adhering Disrepair and Groove Optimization of Cutting Tools for Difficult-to-Machine Materials." In Advances in Machining & Manufacturing Technology VIII. Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/0-87849-999-7.715.

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Conference papers on the topic "Machine-tools Machine-tools Materials Torsion"

1

Tajima, Shingo, Burak Sencer, Hayato Yoshioka, and Hidenori Shinno. "Smooth Path Blending for 5-Axis Machine Tools." In JSME 2020 Conference on Leading Edge Manufacturing/Materials and Processing. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/lemp2020-8536.

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Abstract 5-axis machining is widely used to manufacture complex sculptured parts, such as impellers used in jet engines. In order to machine complex part surfaces, the surface is discretized by a series of short-segmented point to point linear segments by CAD/CAM systems. Smooth non-stop motion of the tool must be interpolated along those discrete tool-paths. This paper proposes novel discrete linear path smoothing algorithms to interpolate tool position and orientation commands synchronously for 5-axis machining. Finite Impulse Response (FIR) filtering based feed profiling technique is developed to generate a smooth tool-pose trajectory with both local and global smoothing functionality. Analytical techniques are proposed to confine the blending errors within user specified tolerances. The proposed technique is computationally efficient and suitable for real-time implementation on modern NC systems. Path blending errors are defined in both the Cartesian workpiece coordinate system for tool positioning errors and the spherical coordinate system for tool orientation errors. Both position and orientation contouring errors are controlled in each coordinate system with respect to the user-defined tolerances. Simulation results validate that the proposed FIR based corner smoothing algorithm can generate smooth and non-stop trajectories for 5-axis machining. It can lead to significant cycle time gain without jeopardizing part tolerances.

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2

Dai, Qinghui, and Xiaomin Wang. "The Principle and Application of Intelligent Machine Tools." In 2015 2nd International Conference on Machinery, Materials Engineering, Chemical Engineering and Biotechnology. Atlantis Press, 2016. http://dx.doi.org/10.2991/mmeceb-15.2016.63.

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Neugebauer, Reimund, Welf-Guntram Drossel, Burkhard Kranz, and Holger Kunze. "Multimode vibration reduction concept for machine tools and automotive applications." In Smart Structures and Materials, edited by Edward V. White. SPIE, 2005. http://dx.doi.org/10.1117/12.605835.

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"Design of an Anti-Chip Cover for Machine Tools." In 2018 International Conference on Medicine, Biology, Materials and Manufacturing. Francis Academic Press, 2018. http://dx.doi.org/10.25236/icmbmm.2018.78.

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Cao, Zhu-Ming, Hong-Mei Sun, Zhi-Jun Liu, and Ming-Hui Chen. "Nc Machine Tools Reliability Assessment Based on Survival Analysis." In 2016 International Conference on Mechanics and Materials Science (MMS2016). WORLD SCIENTIFIC, 2017. http://dx.doi.org/10.1142/9789813228177_0083.

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Park, Hyung Wook, and Steven Y. Liang. "Optimal Dimensioning of Miniaturized Machine Tools." In ASME 2006 International Manufacturing Science and Engineering Conference. ASMEDC, 2006. http://dx.doi.org/10.1115/msec2006-21128.

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Increasing demand for micro fabrication of parts and products in the electronics, computer, and biomedical industrial sectors has created the need to minimize conventional manufacturing systems and machine tools such as milling, turning, and grinding machines corresponding to their fabrication targets. Among existing micro-machining technologies, mechanical solid tool machining with miniaturized manufacturing systems is one of the important processing methods, and has a number of inherent advantages. These advantages include: significant reduction of required space and energy consumption for machine drive and atmosphere; the improvement of machine robustness against external error sources due to increasing thermal, static, and dynamic stabilities; increased accuracy due to decreased overall machine size; and a greater freedom in the selection of workpiece materials, the complexity of the product geometry, and the cost of investment. However, the miniaturization of manufacturing machines unavoidably reduces the available work volume, so there are limits to the possible reduction of machine size per each machine tool configuration. Therefore, optimizing the configuration and size selection is important in order to address competing issues at the functionality level of machine tools. In this research, an effective design strategy to ensure good microscale machine performance and to provide the proper dimensions of the miniaturized manufacturing systems without resorting to exhaustive prototyping was proposed. This systematic design strategy includes the formulation and optimization of machine form shape function in the context of positioning accuracy, machine thermal error, static error, dynamic error, and work volume for various configuration candidates. The sensitivity of the optimal machine size to the relative weighing of penalty function parameters is discussed in the context of a case study. The results of this work can quantitatively support the design, configuration, fabrication, and utilization of microscale manufacturing systems in achieving precision and work volume specifications.

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Backes, G., E. W. Kreutz, A. Gasser, et al. "Laser-shape reconditioning and manufacturing of tools and machine parts." In ICALEO® ‘98: Proceedings of the Laser Materials Processing Conference. Laser Institute of America, 1998. http://dx.doi.org/10.2351/1.5059151.

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Marsh, Eric R., and Layton C. Hale. "Damping Machine Tools With Imbedded Viscoelastic Materials Constrained by Shear Tubes." In ASME 1995 Design Engineering Technical Conferences collocated with the ASME 1995 15th International Computers in Engineering Conference and the ASME 1995 9th Annual Engineering Database Symposium. American Society of Mechanical Engineers, 1995. http://dx.doi.org/10.1115/detc1995-0554.

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Abstract This paper considers a passive damping method that can be applied to beam-like structures such as machine tool bases and columns. The method uses viscoelastic materials to dissipate energy in the manner of classic constrained-layer damping; however, the layers are embedded within the structure as opposed to being applied externally. This provides a robust means of incorporating damping without encountering several of the common disadvantages associated with external damping treatments. An analytical solution to the amount of damping that can be achieved using embedded layers is available, but is known to be inaccurate when the viscoelastic stiffness approaches that of the structural components. Therefore, a new prediction of the maximum damping level that can be expected in a structure is developed and presented here. This prediction gives good results in a wide variety of applications, and offers insight into the relationship between key design parameters. Finite element and experimental verification of the maximum damping predictor are also presented.

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Shao, Fang, Zhanqiang Liu, and Yi Wan. "Matching of Al2O3 Ceramic Tools with Workpiece Materials Based on Thermodynamics." In 2009 International Conference on Intelligent Human-Machine Systems and Cybernetics. IEEE, 2009. http://dx.doi.org/10.1109/ihmsc.2009.63.

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Braun, R., and W. Esswein. "Extending BPMN for modeling resource aspects in the domain of machine tools." In 2013 International Conference on Advanced Materials and Information Technology Processing. WIT Press, 2014. http://dx.doi.org/10.2495/amitp130531.

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