Advanced Laser and Competing Technologies Easily Explained

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High power lasers and their applications in production technology have experienced a vivid development during the last decades and now offer improved performance of classical applications in cutting or welding. Processes that are used since a long time have been improved considerably, for instance hardening. More and more new applications have been developed for instance 3D-printing of metals or forming with laser assistance. Therefore, it is important for production engineers to understand the laser technology and explore how it can be used to enhance production speed, quality, and reduce cost. This book treats the basic principles underlying laser technology, long-time-used equipment and processes but also the most recent improvements and applications, then compares it with the competing conventional technologies. Each of these two parts is preceded by tutorials that inform the reader about the physical basis of the respective technologies. In addition, hazards of these technologies and respective protection are treated for both cases. The book concludes with a detailed comparison of competing technologies and lasers to give a prognosis on the future of lasers in manufacturing. It is written in a style that can be read by people without a broad physical basis and avoids the use of derivations and equations but explains all the material in an easily understandable way in simple words. Sample Chapter(s) Introductory Remarks Chapter 1: Light, Lasers and Laser Heating (Tutorial) Contents: Introductory Remarks Light, Lasers and Laser Heating (Tutorial) Laser Equipment Laser Processing with Material Removal Processes with Material Addition Laser Processing without Mass Change Laser Safety Introductory Remarks on Competing Technologies Mechanical Technology (Tutorial) Thermal Technology (Tutorial) Electrical Technology (Tutorial) Competitive Manufacturing Processes with Material Removal Competitive Manufacturing Processes with Material Addition Competing Technologies without Mass Change Machine Safety Comparison of Conventional Technologies with Laser Manufacturing Index Readership: Professionals in Mechanical, electrical, physical and materials engineering and production — Research, development and production / academia (undergraduates) and industry.

Pearson English Readers Level 6 (Advanced): The Woman in White

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【簡介】 Description British English/Classic Only the Woman in White knows the truth of Laura Fairlie’s cruel husband. Can Walter Hartwright discover the terrible secret? From the moment Walter meets this mysterious woman, his future and that of Laura are linked forever. Active Readers Pearson English Active Readers and Pearson English Readers series offer an incredible range of popular titles and best-selling authors across a range of genres written for teenage and adult learners. Perfect to enjoy reading for pleasure, in or out of the classroom. 【目錄】