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Achieving ultrahigh precision in the manufacture of extremely small devices opens up prospects in several diverse and futuristic fields such as massive computing power, biomedical devices, global personal communication devices, and high-resolution optical devices. Precision engineering is a multidisciplinary field that includes machine tool design, materials, machining processes with novel manufacturing methods, metrology, sensors and actuators, microsystems, biomedical applications, and other relevant fields.
With the current trend toward highest precision micromachining and assembly systems based on continuous miniaturization and functional integration of products, application areas with enormous market growth are extended to automotive goods, optoelectronics, biomedicine, microchemistry, and consumer goods. Precision engineering requires an in-depth understanding of most physical phenomena within the previous disciplines and their effects at the micro- and nanoscale.
With the current trend toward highest precision micromachining and assembly systems based on continuous miniaturization and functional integration of products, application areas with enormous market growth are extended to automotive goods, optoelectronics, biomedicine, microchemistry, and consumer goods Microelectronics needs mechanical interfaces, electrical and optical connections with smaller geometries, and structures and tolerances down to nanometers. This book is a result of several years of teaching the various topics that have been covered.
This book is necessary as it carries complementary information to existing books on precision machine design. The various chapters have been written by contributors who are international experts in their respective fields. Chapter 1 is a brief introduction to precision engineering and applications. Chapter 2 introduces error measurements with fundamental defi nitions for measurement characterization and error classifi cation. An example of numerical-controlled machine error assessment is discussed in great detail.
A number of second-order phenomena that may affect precision are discussed. This chapter presents description of several case studies. Chapter 5 considers parallel kinematic machines and techniques of design and modeling of workspace and its corresponding dexterity. Chapter 6 is concerned with the precision control techniques covering linear systems and nonlinear aspects
It includes fundamentals of motion control and control design strategies. Several case studies are discussed at the end of the chapter. Chapter 7 introduces various types of drives, actuators, and sensors required for machines along with several examples.