Download or read book Tool Breakout Investigation in Drilling Using Feed and Cutting Energy written by Daniel Obiora Iruikwu and published by . This book was released on 2020 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Burr formation is a common problem in metal drilling processes leading to additional production costs in manufacturing. Since burrs cannot be prevented through process control and parameter optimization, obtaining a better understanding of the mechanism of the burr formation process and potentially paving the way for more appropriate development models that could mitigate the process is essential. Currently, the complex tool geometry and the dynamic nature of metal drilling pose challenges in the analysis of the drilling mechanics, and consequently, the burr formation process, thereby constraining researchers to approach the problems through the development of empirical models or alternative methods difficult to replicate. The objective of this work is to develop a new and novel method using energy analysis to identify unique points of process changes that characterize the breakout burr formation mechanism during the metal drilling process. The method developed identifies the onset of the burr breakout phenomenon, and also identifies critical points between the onset of the process and completion of the through-hole drilling process. Using a series of drilling experiments on Al 6061-T6 with standard twist drills, real-time thrust and cutting power data were collected and analyzed using a newly developed energy-difference approach (EDA). The resulting analysis was successfully mapped to the burr breakout phenomenon and validated using photomicrographs observation and microhardness testing at various points ahead of the drill point during burr breakout. Using an original approach through-hole drilling was separated into 3 primary sections identifiable using energy analysis. This work allowed for the third - critical zone, which is of primary interest in burr formation to be identified and isolated for analysis. Using the EDA process, 4 specific points of interest that characterize the actual burr formation mechanism were identified and observed for the first time: burr breakout initiation, deformation zone depth ahead of the drill point, ploughing initiation, and ploughing dominance. By identifying and quantifying the positions and depths of these critical points in the breakout burr formation, future work will allow for proper modeling, prediction, and minimization of breakout burrs.
Download or read book Machining Data for Beryllium Metal written by Air Force Machinability Data Center and published by . This book was released on 1966 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report contains evaluated machining information for beryllium which has been extracted from many sources. Machining data are tabulated and presented in chart form for the following processes: turning, milling, drilling, band sawing, grinding, boring, trepanning, reaming, routing, tapping, electrical discharge machining, electrochemical machining, and chemical machining. Also included is a general comment section dealing with the problems associated with beryllium machining, such as twinning, microcracking, toxicity, chipout and spalling, and cutting fluids. (Author).
Download or read book Metals Abstracts written by and published by . This book was released on 1995 with total page 1602 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Drilling of Composite Materials written by J. Paulo Davim and published by . This book was released on 2009 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nowadays, the use of composite materials has increased in various areas of science and technology due to their special properties, namely for these application in aircraft, automotive, defence and aerospace industries as well others advanced industries. Drilling is a frequently practised machining process in modern industry owing to the need for component assembly in composite structures. This book aims to provide the research and review studies in drilling of composite materials. The first three chapters provide information on delamination and damage reduction in drilling of composite materials. The following two chapters deal with influence of machining parameters on the delamination. The sixth chapter is focused on modelling of drilling aluminium matrix composites using artificial neural networks. The chapter seventh is dedicated study of analysis of delamination in drilling wood composite medium density fibreboards. Finally, the last chapter of this book is focused on studies on composite drilling - the state of the art. The present research book can be used as for final undergraduate engineering course (for example, mechanical, manufacturing, materials etc) or as a subject on machining/composites at the postgraduate level. Also, this research book can serve as a useful reference for academics, manufacturing and materials researchers, manufacturing, materials and mechanical engineers, professional in composites technology and related industries.
Download or read book BCIRA Abstracts of Foundry Literature written by British Cast Iron Research Association and published by . This book was released on 1983 with total page 584 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Wear of Rock Cutting Tools written by P.N.W. Verhoef and published by Routledge. This book was released on 2017-11-22 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt: This text deals with the dredging of rock by large cutter suction dredgers. The rock properties influencing the mechanical cutting of rock and the wear of cutting teeth are examined, and to verify the model of mechanical rock excavation developed, case studies of dredging projects were performed.
Download or read book Cutting Tool Applications written by George Schneider (Jr.) and published by . This book was released on 2002 with total page 243 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Drilling of Polymer Matrix Composites written by Vijayan Krishnaraj and published by Springer Science & Business Media. This book was released on 2013-07-08 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt: This brief focus on drilling of polymer matrix composites for aerospace and defence applications. It gives an introduction to machining of polymer composites and discusses drilling as a processing of composites.
Download or read book Drilling Engineering Problems and Solutions written by M. E. Hossain and published by John Wiley & Sons. This book was released on 2018-06-19 with total page 551 pages. Available in PDF, EPUB and Kindle. Book excerpt: Completely up to date and the most thorough and comprehensive reference work and learning tool available for drilling engineering, this groundbreaking volume is a must-have for anyone who works in drilling in the oil and gas sector. Petroleum and natural gas still remain the single biggest resource for energy on earth. Even as alternative and renewable sources are developed, petroleum and natural gas continue to be, by far, the most used and, if engineered properly, the most cost-effective and efficient, source of energy on the planet. Drilling engineering is one of the most important links in the energy chain, being, after all, the science of getting the resources out of the ground for processing. Without drilling engineering, there would be no gasoline, jet fuel, and the myriad of other "have to have" products that people use all over the world every day. Following up on their previous books, also available from Wiley-Scrivener, the authors, two of the most well-respected, prolific, and progressive drilling engineers in the industry, offer this groundbreaking volume. They cover the basic tenets of drilling engineering, the most common problems that the drilling engineer faces day to day, and cutting-edge new technology and processes through their unique lens. Written to reflect the new, changing world that we live in, this fascinating new volume offers a treasure of knowledge for the veteran engineer, new hire, or student. This book is an excellent resource for petroleum engineering students, reservoir engineers, supervisors & managers, researchers and environmental engineers for planning every aspect of rig operations in the most sustainable, environmentally responsible manner, using the most up-to-date technological advancements in equipment and processes.
Download or read book Commercial News USA written by and published by . This book was released on 1985 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Drilling Contractor written by and published by . This book was released on 1959 with total page 722 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Deepwater Horizon Accident Investigation Report written by Mark Bly and published by DIANE Publishing. This book was released on 2011 with total page 193 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is a print on demand edition of a hard to find publication. On April 20, 2010, a well control event allowed hydrocarbons to escape from the Macondo well onto Transocean¿s ¿Deepwater Horizon,¿ resulting in explosions and fire on the rig. This is the report of an internal BP incident invest. team. It presents an analysis of the events leading up to the accident, 8 key findings related to the causal chain of events, and recommend. to enable the prevention of a similar accident. The invest. team worked separately from any invest. conducted by other co. involved in the accident, and it did not review its analyses, conclusions or recommend. with any other co. or invest. team. Other invest., such as the U.S. Coast Guard, U.S. Justice Dept., and Bur. of Ocean Energy Mgmt., and the Pres. Nat. Comm. are ongoing.
Download or read book Materials Design and Manufacturing for Sustainable Environment written by Santhakumar Mohan and published by Springer Nature. This book was released on 2021-02-06 with total page 909 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book comprises the select proceedings of the International Conference on Materials, Design and Manufacturing for Sustainable Environment (ICMDMSE 2020). The primary focus is on emerging materials and cutting-edge manufacturing technologies for sustainable environment. The book covers a wide range of topics such as advanced materials, vibration, tribology, finite element method (FEM), heat transfer, fluid mechanics, energy engineering, additive manufacturing, robotics and automation, automobile engineering, industry 4.0, MEMS and nanotechnology, optimization techniques, condition monitoring, and new paradigms in technology management. Contents of this book will be useful to students, researchers, and practitioners alike.
Download or read book Rotary Ultrasonic Machining written by Marcel Kuruc and published by Springer Nature. This book was released on 2021-02-19 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers the process and conditions of Rotary ultrasonic machining (RUM) of hard materials and summarizes the recommendation of proper machining parameters. The optimum conditions were applied for cutting edge preparation of CBN cutting inserts. The results presented in the book show that RUM is able to create controlled cutting edge preparation.
Download or read book The Engineer written by and published by . This book was released on 1918 with total page 750 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Machining written by ASM International. Handbook Committee and published by . This book was released on 1989 with total page 968 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Engineered Materials Abstracts written by and published by . This book was released on 1988-07 with total page 668 pages. Available in PDF, EPUB and Kindle. Book excerpt:
