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Author : Irfan Ahmed Khan
Publisher :
ISBN 13 :
Total Pages : 112 pages
Book Rating : 4.:/5 (228 download)
Download or read book Drill Point Geometry and Cutting Force Models for Twist Drill written by Irfan Ahmed Khan and published by . This book was released on 1990 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jane-Lin Wang
Publisher :
ISBN 13 :
Total Pages : 398 pages
Book Rating : 4.3/5 (91 download)
Download or read book Development of New Drilling Force Models for Improving Drill Point Geometries written by Jane-Lin Wang and published by . This book was released on 1994 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Wen-der Tsai
Publisher :
ISBN 13 :
Total Pages : 654 pages
Book Rating : 4.:/5 (89 download)
Download or read book Drill Geometry Models and Dynamics of Drilling written by Wen-der Tsai and published by . This book was released on 1977 with total page 654 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Minhui Li
Publisher :
ISBN 13 :
Total Pages : 90 pages
Book Rating : 4.:/5 (113 download)
Download or read book A New Approach to Designing the Conical Point of a Twist Drill written by Minhui Li and published by . This book was released on 2017 with total page 90 pages. Available in PDF, EPUB and Kindle. Book excerpt: The point geometry of a twist drill is the most significant part which may affect to cutting performance in the drilling process. However, it is really complicated to establish an exact mathematic equation to represent the conical flank surface of a twist drill. In order to simplify the problem and meet the practical engineering demand in the industry, this research focuses on developing an approximate mathematic model of the conical drill point geometry. Additionally, an integrated CAD/CAM software is developed. This software integrates the modelling function of flute, margin, point and split features and is able to calculate grinding path of each feature. With the help of this software, drill geometric parameters can be modified reasonably according to different requirements easier than ever.Finally, this research also mentions a CAD/CAM/CAE application to evaluate the cutting performance of a twist drill. The designed 3D model can be imported in Thridwave to predict cutting force, torque and peak temperature during the drilling process. Based on these simulative factors, the cutting performance of a twist drill can be generally evaluated. Four evaluated designs were selected and ground by 5-axis CNC grinding machine. The geometry of the ground drill shows a good agreement with the dimension of each design parameter, which validates the accuracy of the proposed modelling method and the corresponding grinding path.
Author : Jae-Won Lee
Publisher :
ISBN 13 :
Total Pages : 368 pages
Book Rating : 4.:/5 (89 download)
Download or read book Force Analyses of Drill Point Geometry for Optimal Design and Wear Prediction written by Jae-Won Lee and published by . This book was released on 1986 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Susumu Fujii
Publisher :
ISBN 13 :
Total Pages : 476 pages
Book Rating : 4.:/5 (89 download)
Download or read book Computerized Analysis of Twist Drill Point Geometry and Design of Drill Point Grinder written by Susumu Fujii and published by . This book was released on 1971 with total page 476 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : David A. Stephenson
Publisher : CRC Press
ISBN 13 : 9780824758882
Total Pages : 872 pages
Book Rating : 4.7/5 (588 download)
Download or read book Metal Cutting Theory and Practice written by David A. Stephenson and published by CRC Press. This book was released on 2005-12-02 with total page 872 pages. Available in PDF, EPUB and Kindle. Book excerpt: Metal cutting applications span the entire range from mass production to mass customization to high-precision, fully customized designs. The careful balance between precision and efficiency is maintained only through intimate knowledge of the physical processes, material characteristics, and technological capabilities of the equipment and workpieces involved. The best-selling first edition of Metal Cutting Theory and Practice provided such knowledge, integrating timely research with current industry practice. This brilliant reference enters its second edition with fully updated coverage, new sections, and the inclusion of examples and problems. Supplying complete, up-to-date information on machine tools, tooling, and workholding technologies, this second edition stresses a physical understanding of machining processes including forces, temperatures, and surface finish. This provides a practical basis for troubleshooting and evaluating vendor claims. In addition to updates in all chapters, the book features three new chapters on cutting fluids, agile and high-throughput machining, and design for machining. The authors also added examples and problems for additional hands-on insight. Rounding out the treatment, an entire chapter is devoted to machining economics and optimization. Endowing you with practical knowledge and a fundamental understanding of underlying physical concepts, Metal Cutting Theory and Practice, Second Edition is a necessity for designing, evaluating, purchasing, and using machine tools.
Author : Viktor P. Astakhov
Publisher : Springer Science & Business Media
ISBN 13 : 1849960534
Total Pages : 584 pages
Book Rating : 4.8/5 (499 download)
Download or read book Geometry of Single-point Turning Tools and Drills written by Viktor P. Astakhov and published by Springer Science & Business Media. This book was released on 2010-07-29 with total page 584 pages. Available in PDF, EPUB and Kindle. Book excerpt: Geometry of Single-Point Turning Tools and Drills outlines clear objectives of cutting tool geometry selection and optimization, using multiple examples to provide a thorough explanation. It addresses several urgent problems that many present-day tool manufacturers, tool application specialists, and tool users, are facing. It is both a practical guide, offering useful, practical suggestions for the solution of common problems, and a useful reference on the most important aspects of cutting tool design, application, and troubleshooting practices. Covering emerging trends in cutting tool design, cutting tool geometry, machining regimes, and optimization of machining operations, Geometry of Single-Point Turning Tools and Drills is an indispensable source of information for tool designers, manufacturing engineers, research workers, and students.
Author : Igor Minukhin
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (13 download)
Download or read book An Improved Method of Cutting Forces Prediction for the Primary Cutting Edges of Twist Drills written by Igor Minukhin and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Viktor P. Astakhov
Publisher : CRC Press
ISBN 13 : 1466584351
Total Pages : 876 pages
Book Rating : 4.4/5 (665 download)
Download or read book Drills written by Viktor P. Astakhov and published by CRC Press. This book was released on 2014-04-08 with total page 876 pages. Available in PDF, EPUB and Kindle. Book excerpt: In a presentation that balances theory and practice, Drills: Science and Technology of Advanced Operations details the basic concepts, terminology, and essentials of drilling. The book addresses important issues in drilling operations, and provides help with the design of such operations. It debunks many old notions and beliefs while introducing sc
Author : George Phiching Hsu
Publisher :
ISBN 13 :
Total Pages : 258 pages
Book Rating : 4.:/5 (891 download)
Download or read book A Development of Mathematical Models of Twist Drill written by George Phiching Hsu and published by . This book was released on 1983 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Vivek Chandrasekharan
Publisher :
ISBN 13 :
Total Pages : 356 pages
Book Rating : 4.:/5 (369 download)
Download or read book A Model to Predict the Three-dimensional Cutting Force System for Drilling with Arbitrary Point Geometry written by Vivek Chandrasekharan and published by . This book was released on 1996 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt: Drilling is a widely used hole generation process in industry today. The quality of the hole produced includes characteristics such as roundness and cylindricity errors, surface finish, burrs, delamination in drilling composites, etc. Most of these parameters are related to the cutting forces generated in the process. Modeling the cutting forces in drilling, in terms of the tool geometry and machining conditions, is an important step in developing a simulation-based platform for the design and evaluation of new drill point geometry to improve quality and productivity. A model is first developed to predict the three-dimensional cutting force system in drilling with the conical drill. Separate models are developed for the cutting lips and chisel edge of the drill. The cutting lips model is based on a fundamental mechanistic oblique cutting model. A calibration algorithm is developed to determine the model coefficients for a tool and workpiece material combination from just four drilling experiments. The drilling force model is validated for a wide range of drill point geometry parameters and machining conditions. The model coefficients determined from drilling tests are also used to predict the forces in end milling to show these coefficients are process independent. The model is then extended to predict the forces for arbitrary drill point geometry. A method is developed to parametrically describe the geometry and to determine the required cutting angles and chip thickness at elements along the cutting lips. Four commercially available drill points--Racon, Helical, Bickford and Double angle points, are mathematically parameterized and the model simulations are in good agreement with thrust and torque data from experiments over a range of machining conditions. In this study, some common problems encountered in drilling and their effect on the cutting forces are also modeled. These include errors in grinding the drill point, errors in locating the drill in a tool holder, and the case of drill penetration into a workpiece surface inclined to the drill axis. These cases create an unequal chip load on each lip and result in a net radial force. The radial forces are the primary cause for drill deflection and wandering, and result in higher roundness and cylindricity errors. Experiment are conducted for drilling into workpiece surfaces inclined to the drill axis at 10$spcirc$ and 20$spcirc$ and the thrust, torque and radial forces simulated match the experimental data.
Author : Jan C. Aurich
Publisher : Springer Science & Business Media
ISBN 13 : 3642005683
Total Pages : 249 pages
Book Rating : 4.6/5 (42 download)
Download or read book Burrs - Analysis, Control and Removal written by Jan C. Aurich and published by Springer Science & Business Media. This book was released on 2009-12-01 with total page 249 pages. Available in PDF, EPUB and Kindle. Book excerpt: In many machining operations burrs cannot be avoided. They can affect the functionality and the safe handling of the workpiece in the subsequent processing, and have to be removed by a special deburring process. Toleration of burrs, which are not part of functional edges, depends on their respective shape and size. High inspection effort is necessary to guarantee the workpiece quality. Therefore, the research results on burrs, with a focus on burr analysis and control as well as on cleanability and burr removal based on the presentations held at the conference are valuable for researchers and engineers in manufacturing development.
Author : Ramesh P. Kothari
Publisher :
ISBN 13 :
Total Pages : 154 pages
Book Rating : 4.:/5 (89 download)
Download or read book Effect of Spiral Drill Point Geometry on Drilling Condition written by Ramesh P. Kothari and published by . This book was released on 1964 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jinhyuk Jung
Publisher :
ISBN 13 :
Total Pages : 354 pages
Book Rating : 4.3/5 (91 download)
Download or read book Optimal Drill Point Design and Grinding for High Throughput and Deep Hole Making written by Jinhyuk Jung and published by . This book was released on 2001 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Diana Rincón
Publisher :
ISBN 13 :
Total Pages : 276 pages
Book Rating : 4.3/5 (91 download)
Download or read book Coupled Force and Vibration Modeling of Drills with Complex Cross Sectional Geometries written by Diana Rincón and published by . This book was released on 1994 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Philippe Boisse
Publisher : Woodhead Publishing
ISBN 13 : 1782423206
Total Pages : 493 pages
Book Rating : 4.7/5 (824 download)
Download or read book Advances in Composites Manufacturing and Process Design written by Philippe Boisse and published by Woodhead Publishing. This book was released on 2015-07-29 with total page 493 pages. Available in PDF, EPUB and Kindle. Book excerpt: The manufacturing processes of composite materials are numerous and often complex. Continuous research into the subject area has made it hugely relevant with new advances enriching our understanding and helping us overcome design and manufacturing challenges. Advances in Composites Manufacturing and Process Design provides comprehensive coverage of all processing techniques in the field with a strong emphasis on recent advances, modeling and simulation of the design process. Part One reviews the advances in composite manufacturing processes and includes detailed coverage of braiding, knitting, weaving, fibre placement, draping, machining and drilling, and 3D composite processes. There are also highly informative chapters on thermoplastic and ceramic composite manufacturing processes, and repairing composites. The mechanical behaviour of reinforcements and the numerical simulation of composite manufacturing processes are examined in Part Two. Chapters examine the properties and behaviour of textile reinforcements and resins. The final chapters of the book investigate finite element analysis of composite forming, numerical simulation of flow processes, pultrusion processes and modeling of chemical vapour infiltration processes. Outlines the advances in the different methods of composite manufacturing processes Provides extensive information on the thermo-mechanical behavior of reinforcements and composite prepregs Reviews numerical simulations of forming and flow processes, as well as pultrusion processes and modeling chemical vapor infiltration
