Modeling Of 5 Axis Milling Forces And Form Errors
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Modeling Of 5 Axis Milling Forces And Form Errors
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Author : Erdem Öztürk
language : en
Publisher:
Release Date : 2005
Modeling Of 5 Axis Milling Forces And Form Errors written by Erdem Öztürk and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Metal-cutting categories.
Abstract: 5-axis milling operations are common in several industries such as aerospace, automotive and die/mold for maching of sculptured surfaces. In almost all of these operations, the dimensional tolerance integrity and surface quality are of utmost importance. Part and tool deflections order cutting forces may result in unacceptable part quality. Process models can be used to determine the proper or optimal milling conditions for required quality with higher productivity. Majority of the milling models have been developed for 3-axis operations, even the ones for ball-end mills. In this thesis, a complete kinematics and force model is presented for 5-axis milling operations using ball-end mills. The effects of lead and tillt angles are included in the model, and presented in the thesis. Tool deflections due to the cutting forces are also formulated for 5-axis milling. Model predictions for cutting forces are compared and verified by experimental results.
Milling Simulation
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Author : Weihong Zhang
language : en
Publisher: John Wiley & Sons
Release Date : 2016-06-15
Milling Simulation written by Weihong Zhang and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-06-15 with Mathematics categories.
Reliable scheduling in cutting conditions is very important in machining processes, and this requires thorough understanding of the physical behaviors of the machining process, which cannot be achieved without understanding the underlying mechanism of the processes. The book describes the mechanics and dynamics together with the clamping principles in milling processes, and can be used as a guideline for graduate students and research engineers who wish to be effective manufacture engineers and researchers. Many books have focused on common principles, which are suitable for general machining processes, e.g., milling, turning and drilling, etc. This book specifically aims at exploring the mechanics and dynamics of milling processes. Original theoretical derivations and new observations on static cutting force models, dynamic stability models and clamping principles associated with milling processes are classified and detailed. The book is indented as a text for graduate students and machining engineers who wish to intensively learn milling mechanism and machine tool vibration.
Proceedings Of 3rd International Conference On The Industry 4 0 Model For Advanced Manufacturing
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Author : Jun Ni
language : en
Publisher: Springer
Release Date : 2018-05-08
Proceedings Of 3rd International Conference On The Industry 4 0 Model For Advanced Manufacturing written by Jun Ni and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-05-08 with Technology & Engineering categories.
This book presents the proceedings of the 3rd International Conference on the Industry 4.0 Model for Advanced Manufacturing (AMP 2018), held in Belgrade, Serbia, on 5–7 June 2018, the latest in a series of high-level conferences that brings together experts from academia and industry to exchange knowledge, ideas, experiences, research findings, and information in the field of manufacturing. The book addresses a wide range of topics, including, for example, design of smart and intelligent products, developments in CAD/CAM technologies, rapid prototyping and reverse engineering, multistage manufacturing processes, manufacturing automation in the Industry 4.0 model, cloud-based products, and cyber-physical and reconfigurable manufacturing systems. By providing updates on key issues and recent advances in manufacturing engineering and technologies, it aids the transfer of vital knowledge to the next generation of academics and practitioners. It appeals to anyone working or conducting research in this rapidly evolving field.
Intelligent Robotics And Applications
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Author : Naoyuki Kubota
language : en
Publisher: Springer
Release Date : 2016-08-02
Intelligent Robotics And Applications written by Naoyuki Kubota and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-08-02 with Computers categories.
This two volume set LNAI 9834 and 9835 constitutes the refereed proceedings of the 9th International Conference on Intelligent Robotics and Applications, ICIRA 2016, held in Tokyo, Japan, in August 2016. The 114 papers presented were carefully reviewed and selected from 148 submissions. The papers are organized in topical sections such as Robot Control; Robot Mechanism, Robot Vision and Sensing; Planning, Localization, and Mapping; Interactive Intelligence; Cognitive Robotics; Bio-Inspired Robotics; Smart Material Based Systems; Mechatronics Systems for Nondestructive Testing; Social Robotics; Human Support Robotics; Assistive Robotics; Intelligent Space; Sensing and Monitoring in Environment and Agricultural Sciences; Human Data Analysis; Robot Hand.
Twin Control
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Author : Mikel Armendia
language : en
Publisher: Springer
Release Date : 2019-01-05
Twin Control written by Mikel Armendia and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-01-05 with Technology & Engineering categories.
This open access book summarizes the results of the European research project “Twin-model based virtual manufacturing for machine tool-process simulation and control” (Twin-Control). The first part reviews the applications of ICTs in machine tools and manufacturing, from a scientific and industrial point of view, and introduces the Twin-Control approach, while Part 2 discusses the development of a digital twin of machine tools. The third part addresses the monitoring and data management infrastructure of machines and manufacturing processes and numerous applications of energy monitoring. Part 4 then highlights various features developed in the project by combining the developments covered in Parts 3 and 4 to control the manufacturing processes applying the so-called CPSs. Lastly, Part 5 presents a complete validation of Twin-Control features in two key industrial sectors: aerospace and automotive. The book offers a representative overview of the latest trends in the manufacturing industry, with a focus on machine tools.
A New Geometric And Physics Model Of Milling And An Effective Approach To Medial Axis Transforms Of Free Form Pockets For High Performance Machining
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Author : Qiang Fu
language : en
Publisher:
Release Date : 2010
A New Geometric And Physics Model Of Milling And An Effective Approach To Medial Axis Transforms Of Free Form Pockets For High Performance Machining written by Qiang Fu and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with categories.
Mechanical part quality and productivity depend on many parameters in CNC milling processes, such as workpiece material, cutters, tool paths, feed rate, and spindle speed, etc. To pursue high performance machining, the cutting parameter optimization is in high demand in industry, though it is quite challenge. This innovative research successfully addresses some essential problems in optimizing the cutting parameters by developing a new geometric-and-physics integrated model of milling and proposing an effective approach to the medial axis transforms of free-form pockets. In this research, an original geometric model of 21/2- and 3-axis CNC milling is developed and integrated with a well-established mechanistic model. A main research contribution is that this integrated model can predict complex milling processes in higher fidelity with instantaneous material remove rates, cutting forces and spindle powers, compared to prior machining models. In the geometric model, an in-process workpiece model is introduced by using a group of discrete Z-layers and applying the B-Rep scheme to represent the workpiece shape on each layer, in order to accurately represent instantaneous cutter-and-workpiece engagement in 2Yz- and 3-axis milling. Hence, the un-deformed chip geometry can be found even for complex part milling, which is then fed to the mechanistic model to predict instantaneous cutting forces. By using this integrated model, cutting parameters can be optimized for profiling, pocketing, and surface milling to ensure steady cut and the maximum material removal rates. This model has been verified by experiments, and will be implemented into a software tool for Bombardier Aerospace. Another important research in this work is to propose aggressive roughing of free-form pockets for ultimately high cutting efficiency. For this purpose, an accurate, efficient approach to the medial axis transforms of free-form pockets and an optimal approach to multiple cutters selection and their path generation are proposed. The main contributions of this research include (1) a new mathematical model of medial axis point, (2) an innovative global optimization solver, the hybrid global optimization method, (3) an optimization model of selecting multiple cutters for the maximum material removal rate. This research can substantially promote aggressive roughing in the machining industry to increase cutting efficiency of free-form pockets. The technique has been validated using considerable number of cutting tests and can be directly implemented into commercial CAD/CAM software.
Machining Impossible Shapes
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Author : Gustav J. Olling
language : en
Publisher: Springer
Release Date : 2013-03-20
Machining Impossible Shapes written by Gustav J. Olling and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-20 with Technology & Engineering categories.
On November 9-11, 1998,85 participants, representing 17 countries, gathered in Aubum Hills, Michigan, at the Chrysler Tech Center, to attend a workshop "SSM'98" (or Sculptured Surface Machining '98) organized by IFIP Working Group 5.3. This was the first major workshop on sculptured surface machining since the CAM-I sponsored conference "Machining Impossible Surfaces" held in 1981. The purpose of the SSM'98 workshop, entitled "Machining Impossible Shapes", was to promote a cross-fertilization of ideas among three communities: industrial users, CAM software developers and academic researchers. There were 17 participants who were "industrial users", 15 represented CAM software developers, 4 were from the machine tool industry, with the remainder being academic researchers. The format of the meeting included 40 presentations in 9 sessions, 4 keynote speeches and a sufficient amount of time for informal discussion amongst the participants. One of the most valuable aspects of the workshop was the opportunity for participants to meet informally and to discuss their mutual interests. This led to two "participant organized" sessions on five axis machining and on machine tool controllers.
Advances In Mechanical Engineering And Mechanics
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Author : Abdelmejid Benamara
language : en
Publisher: Springer
Release Date : 2019-05-29
Advances In Mechanical Engineering And Mechanics written by Abdelmejid Benamara and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-05-29 with Technology & Engineering categories.
This book reports on original theoretical and experimental findings related to a number of cutting-edge topics in mechanics and mechanical engineering, such as structure modelling and computation; design methodology and manufacturing processes; mechanical behaviour of materials; fluid mechanics and energy; and heat and mass transfer. It includes a selection of papers presented at the 4th Tunisian Congress on Mechanics, CoTuMe’2018, held in Hammamet, Tunisia, on October 13–15, 2018. Thanks to the good balance of theory and practical findings, it offers a timely snapshot for researchers and industrial communities alike, and a platform to facilitate communication and collaboration between the two groups.
Finite Element Analysis
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Author : Farzad Ebrahimi
language : en
Publisher: BoD – Books on Demand
Release Date : 2012-10-10
Finite Element Analysis written by Farzad Ebrahimi and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-10-10 with Technology & Engineering categories.
In the past few decades, the Finite Element Analysis (FEA) has been developed into a key indispensable technology in the modeling and simulation of various engineering systems. The present book is a result of contributions of experts from international scientific community and collects original and innovative research studies on recent applications of FEA in five major topics of mechanical engineering namely, fluid mechanics and heat transfer, machine elements analysis and design, machining and product design, wave propagation and failure-analysis and structural mechanics and composite materials. It is meant to provide a small but valuable sample of contemporary research activities around the world in this field and it is expected to be useful to a large number of researchers. The introductions, data, and references in this book will help the readers know more about this topic and help them explore this exciting and fast-evolving field.
Advanced Modeling And Optimization Of Manufacturing Processes
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Author : R. Venkata Rao
language : en
Publisher: Springer Science & Business Media
Release Date : 2010-12-01
Advanced Modeling And Optimization Of Manufacturing Processes written by R. Venkata Rao and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-12-01 with Technology & Engineering categories.
Advanced Modeling and Optimization of Manufacturing Processes presents a comprehensive review of the latest international research and development trends in the modeling and optimization of manufacturing processes, with a focus on machining. It uses examples of various manufacturing processes to demonstrate advanced modeling and optimization techniques. Both basic and advanced concepts are presented for various manufacturing processes, mathematical models, traditional and non-traditional optimization techniques, and real case studies. The results of the application of the proposed methods are also covered and the book highlights the most useful modeling and optimization strategies for achieving best process performance. In addition to covering the advanced modeling, optimization and environmental aspects of machining processes, Advanced Modeling and Optimization of Manufacturing Processes also covers the latest technological advances, including rapid prototyping and tooling, micromachining, and nano-finishing. Advanced Modeling and Optimization of Manufacturing Processes is written for designers and manufacturing engineers who are responsible for the technical aspects of product realization, as it presents new models and optimization techniques to make their work easier, more efficient, and more effective. It is also a useful text for practitioners, researchers, and advanced students in mechanical, industrial, and manufacturing engineering.