The Application Of A Mechanistic Model For End Milling Cutting Forces To The Study Of Forging And Cornering Cuts
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The Application Of A Mechanistic Model For End Milling Cutting Forces To The Study Of Forging And Cornering Cuts
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Author : Jeffrey Ross Lindberg
language : en
Publisher:
Release Date : 1980
The Application Of A Mechanistic Model For End Milling Cutting Forces To The Study Of Forging And Cornering Cuts written by Jeffrey Ross Lindberg and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with categories.
Mechanistic Modeling Of Cutting Forces In Wavy Edge Bull Nose Helical End Milling Of Inconel 718 Under Different Cooling Lubrication Strategies
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Author : Abdulhakim Ali Sultan
language : en
Publisher:
Release Date : 2015
Mechanistic Modeling Of Cutting Forces In Wavy Edge Bull Nose Helical End Milling Of Inconel 718 Under Different Cooling Lubrication Strategies written by Abdulhakim Ali Sultan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with categories.
"This research presents the results of the development of a mechanistic cutting force prediction model for the wavy-edge bull-nose helical endmill (WEBNHE). The mechanistic model was developed to predict cutting force components and the resultant cutting force in high-speed end-milling of Inconel 718 under two cooling strategies: emulsion and Minimum Quantity Lubrication (MQL). The effects of the cooling strategies are incorporated into the mechanistic model through six cutting force coefficients (K[sub tc] ,K[sub rc] ,K[sub ac]), and edge force coefficients (K[sub te], K[sub re], K[sub ae]), which have been experimentally identified in a separate research. The mechanistic model was validated by conducting end-milling experiments on Inconel 718 using a WEBNHE of 1.25'' diameter under emulsion and MQL cooling strategies. In addition to cutting forces prediction, the mechanistic cutting force prediction model is used to investigate the effects of the cooling strategy, and the effects of the geometric parameters of the WEBNHE on the predicted cutting force components and the resultant cutting force. The geometric parameters investigated in this research were: wave magnitude, wave length, axial shift, and the helix angle. The cutting force components and the resultant cutting force predicted by this mechanistic cutting force model under the two cooling strategies were in good agreement with the experimental results. Additionally, the results show that an increase in the depth of cut under MQL generates less cutting force than the same increase under emulsion. Moreover, all predicted cutting force components increase when the magnitude of the WEBNHE increases, whereas they decrease when the wave length, axial shift, and the helix angle increase"--Abstract, page iv.
Development Of Virtual Cnc Machine Tools And Web Based Machining Process Simulation Mechanistic Cutting Force Models And Determination Of Specific Force Coefficients In Helical End Milling
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Author : Vinay Rao Talekar
language : en
Publisher:
Release Date : 2011
Development Of Virtual Cnc Machine Tools And Web Based Machining Process Simulation Mechanistic Cutting Force Models And Determination Of Specific Force Coefficients In Helical End Milling written by Vinay Rao Talekar and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with Titanium alloys categories.
"This thesis presents the results of the investigations of mechanistic modeling and simulation of cutting forces in high speed end milling of titanium alloy, Ti-6Al-4V, and the determination of specific cutting and edge force coefficients for carbide bull-nose helical end-mill. A generalized mathematical model representing the outer geometry of an end-mill and the cutter edge geometry is presented. Mechanistic cutting force models have been developed for a general helical end-mill and modeled specifically for a bullnose helical end-mill. A MATLAB code for the mechanistic cutting force models have been developed for the simulation of cutting force components in end milling and for the determination of specific cutting and edge force coefficients for any workpiece-tool material pair. Specific cutting and edge force coefficients are obtained for carbide bullnose helical end-mill - titanium alloy workpiece material pair at 10% radial immersion up-milling experiments. The effects of machining parameters: feed per tooth, helix angle, axial depth of cut, corner radius, number of cutter flutes, and spindle speed on cutting forces were investigated. End milling experiments were conducted on titanium alloy, Ti-6Al-4V, using a 0.5 inch (12.7 mm) diameter carbide bull-nose helical end-mill to verify the models. Predicted cutting force components (F[subscript x], F[subscript y], and F[subscript z]) obtained by the mechanistic cutting force models were compared with measured experimental values, and also with predicted and measured values from published literature. The results were in good agreement in both cases. This method for the determination of specific force coefficients and predicting cutting forces for titanium alloys can easily be extended to other metal alloys such as Hastelloy, Inconel, and niobium alloys"--Abstract, leaf iv.
Journal Of Engineering For Industry
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Author :
language : en
Publisher:
Release Date : 1996
Journal Of Engineering For Industry written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Electronic journals categories.
Modeling And Simulation Volume 12 Part 2
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Author : William G. Vogt
language : en
Publisher:
Release Date : 1981
Modeling And Simulation Volume 12 Part 2 written by William G. Vogt and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with Computer simulation categories.
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.
The Summary Of Engineering Research
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Author : University of Illinois at Urbana-Champaign. Office of Engineering Publications
language : en
Publisher:
Release Date : 1981
The Summary Of Engineering Research written by University of Illinois at Urbana-Champaign. Office of Engineering Publications and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with Engineering categories.
Paper
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Author :
language : en
Publisher:
Release Date : 1986
Paper written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with Mechanical engineering categories.
Metal Machining
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Author : Thomas H. C. Childs
language : en
Publisher: Butterworth-Heinemann
Release Date : 2000
Metal Machining written by Thomas H. C. Childs and has been published by Butterworth-Heinemann this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Technology & Engineering categories.
Metal machining is the most widespread metal-shaping process in the mechanical manufacturing industry. World-wide investment in metal machining tools increases year on year - and the wealth of nations can be judged by it. This text - the most up-to-date in the field - provides in-depth discussion of the theory and application of metal machining at an advanced level. It begins with an overview of the development of metal machining and its role in the current industrial environment and continues with a discussion of the theory and practice of machining. The underlying mechanics are analysed in detail and there are extensive chapters examining applications through a discussion of simulation and process control. "metal Machining: Theory and Applications" is essential reading for senior undergraduates and postgraduates specialising in cutting technology. It is also an invaluable reference tool for professional engineers. Professors Childs, Maekawa, Obikawa and Yamane are four of the leading authorities on metal machining and have worked together for many years.
Traditional Machining Processes
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Author : J. Paulo Davim
language : en
Publisher: Springer
Release Date : 2014-10-31
Traditional Machining Processes written by J. Paulo Davim and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-10-31 with Technology & Engineering categories.
This book collects several examples of research in machining processes. Chapter 1 provides information on polycrystalline diamond tool material and its emerging applications. Chapter 2 is dedicated to the analysis of orthogonal cutting experiments using diamond-coated tools with force and temperature measurements. Chapter 3 describes the estimation of cutting forces and tool wear using modified mechanistic models in high performance turning. Chapter 4 contains information on cutting under gas shields for industrial applications. Chapter 5 is dedicated to the machinability of magnesium and its alloys. Chapter 6 provides information on grinding science. Finally, chapter 7 is dedicated to flexible integration of shape and functional modelling of machine tool spindles in a design framework.