數控銑鏜工綜閤知識訓練與加工實例 pdf epub mobi txt 電子書 下載2026

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出版者:

作者:

出品人:

頁數:193

译者:

出版時間:2010-2

價格:25.00元

裝幀:

isbn號碼:9787122073167

叢書系列:

圖書標籤:

• 數控銑鏜
• 數控加工
• 機械製造
• 加工實例
• 技能培訓
• 實操
• 維修
• 車工
• 模具
• 工業技術

machining techniques: A comprehensive guide to modern machining and manufacturing processes This book delves into the intricate world of modern machining, offering a comprehensive exploration of the principles, techniques, and advanced applications that drive precision manufacturing. It serves as an indispensable resource for engineers, technicians, and students seeking to master the art and science of shaping materials with unparalleled accuracy and efficiency. Key Areas Covered: Fundamentals of Machining: The book begins by laying a robust foundation in the core concepts of machining. This includes an in-depth examination of material properties and their behavior under various machining conditions. Readers will gain a thorough understanding of cutting forces, tool wear mechanisms, and the fundamental principles governing material removal. The text meticulously explains the physics behind different machining operations, providing a clear picture of how metal is transformed from raw stock into finished components. Essential terminology and classification systems for machining processes are also thoroughly discussed, ensuring a shared language for understanding complex operations. Cutting Tool Technology: A significant portion of the book is dedicated to the critical role of cutting tools. It explores the diverse range of cutting tool materials, from traditional high-speed steels and carbides to advanced ceramics and diamond coatings, analyzing their respective strengths, weaknesses, and optimal applications. The geometry of cutting tools is meticulously detailed, covering rake angles, clearance angles, and cutting edge preparation, and explaining how these factors influence cutting performance, surface finish, and tool life. Furthermore, the book discusses the latest advancements in tool design, including micro-machining tools, multi-functional inserts, and the impact of nanotechnology on tool performance. Machining Operations: The text provides extensive coverage of a wide array of machining operations, detailing the principles and practical considerations for each. Turning: This section covers various turning techniques, including straight turning, facing, taper turning, and form turning. It explores the selection of appropriate cutting parameters, tool path strategies, and methods for achieving tight tolerances and excellent surface finishes on lathes. Milling: The complexities of milling are thoroughly investigated, encompassing face milling, peripheral milling, slotting, and contour milling. Readers will learn about different milling cutters, their applications, and the critical factors influencing stability, chip formation, and productivity. The integration of advanced milling strategies for complex geometries is also a focus. Drilling and Boring: This part details the processes of creating holes and enlarging existing ones. It covers drill point geometry, drilling techniques for various materials, and the principles of boring for achieving high-precision internal diameters. Grinding and Finishing: The book explains the essential role of abrasive machining processes. It covers different types of grinding wheels, grinding techniques, and the methods used to achieve ultra-fine surface finishes and precise dimensions, crucial for applications requiring minimal friction and high wear resistance. Advanced Machining Processes: Beyond conventional methods, the book explores contemporary and specialized machining techniques. This includes: Electrical Discharge Machining (EDM): The principles of spark erosion are explained, detailing its application for machining hard and brittle materials that are difficult to process with traditional mechanical methods. Laser Machining: The use of focused laser beams for cutting, drilling, and engraving is explored, highlighting its non-contact nature and precision capabilities. Waterjet Machining: The application of high-pressure water streams, often with abrasives, for cutting a wide range of materials is discussed, emphasizing its ability to cut heat-sensitive materials without introducing thermal distortion. Ultrasonic Machining: This section covers the use of high-frequency vibrations to enhance material removal rates, particularly for brittle and hard materials. Machining Dynamics and Vibration Control: A critical aspect of achieving high-quality machined parts is understanding and controlling machining dynamics. The book delves into the phenomena of chatter and vibration, explaining their causes and their detrimental effects on surface finish, tool life, and dimensional accuracy. It then presents practical strategies for vibration suppression, including the use of damping systems, appropriate cutting parameters, and robust fixturing. Surface Integrity and Metrology: The quality of a machined surface is paramount in many applications. This section focuses on surface integrity, examining the microstructural changes, residual stresses, and surface topography that result from machining. It also provides a comprehensive overview of metrology and measurement techniques used to verify dimensional accuracy and surface quality, including contact and non-contact measurement methods. Machining of Advanced Materials: As manufacturing evolves, so does the need to machine novel and advanced materials. The book addresses the specific challenges and techniques associated with machining materials such as composites, titanium alloys, superalloys, and ceramics. It highlights the unique material properties that necessitate specialized tooling, cutting parameters, and process strategies. Modern Machining Technologies and Automation: The book concludes by exploring the cutting edge of machining technology. It discusses the integration of advanced sensors, real-time monitoring, and adaptive control systems to optimize machining processes. The role of automation, robotics, and Industry 4.0 principles in modern manufacturing environments is also examined, emphasizing the trend towards smart manufacturing and intelligent machining systems. The principles of lean manufacturing and its application within machining operations to reduce waste and improve efficiency are also a significant consideration. This comprehensive guide offers readers the knowledge and practical insights necessary to excel in the field of precision machining, empowering them to tackle complex manufacturing challenges and contribute to the advancement of modern engineering.

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