Approche de l'usinage à grande vitesse du bois PDF Download
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Author: Jean-Philippe Costes (auteur d'une thèse de Mécanique))
Publisher:
ISBN:
Category :
Languages : fr
Pages :
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Author: Jean-Philippe Costes (auteur d'une thèse de Mécanique))
Publisher:
ISBN:
Category :
Languages : fr
Pages :
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Author: Julien Petitpas
Publisher:
ISBN:
Category :
Languages : fr
Pages : 236
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : fr
Pages : 236
Get Book Here
Book Description
Author: Julien Petitpas
Publisher:
ISBN:
Category :
Languages : fr
Pages : 236
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Book Description
Author: Jul Petitpas
Publisher:
ISBN:
Category :
Languages : fr
Pages :
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Author: Julien Petitpas
Publisher:
ISBN:
Category :
Languages : fr
Pages : 236
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Author: Norman Franz
Publisher:
ISBN: 9780472751426
Category :
Languages : en
Pages : 0
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In this technical age, wood-machining has largely remained an art for a lack of scientific investigation in this field. An Analysis of the Wood-Cutting Process was prepared to provide a basic understanding of wood-cutting and in particular of parallel-grain wood-cutting. Norman C. Franz is an Associate Professor of Wood Technology in the School of Natural Resources at the University of Michigan. The wood-cutting process is defined in terms of the interactions between wood properties, cutting geometry, and the friction between the chip and the tool. In continuous observations, three basic types of chip were identified--each having generated a related quality of surface. In the analysis of the mechanics of chip formation, the book describes the determination of machining efficiency and surface quality; by demonstrated calculations of optimum cutting angles for given wood properties, an equation is derived for the control of surface quality in wood-cutting.
Author: Sahra Gibbon
Publisher: Routledge
ISBN: 1134144725
Category : Health & Fitness
Languages : en
Pages : 387
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Book Description
Biosocialities, Genetics and the Social Sciences explores the social, cultural and economic transformations that result from innovations in genomic knowledge and technology. This pioneering collection uses Paul Rabinow’s concept of biosociality to chart the shifts in social relations and ideas about nature, biology and identity brought about by developments in biomedicine. Based on new empirical research, it contains chapters on genomic research into embryonic stem cell therapy, breast cancer, autism, Parkinson’s and IVF treatment, as well as on the expectations and education surrounding genomic research. It covers four main themes: novel modes of identity and identification, such as genetic citizenship the role of institutions, ranging from disease advocacy organizations and voluntary organizations to the state the production of biological knowledge, novel life-forms, and technologies the generation of wealth and commercial interests in biology. Including an afterword by Paul Rabinow and case studies on the UK, US, Canada, Germany, India and Israel, this book is key reading for students and researchers of the new genetics and the social sciences – particularly medical sociologists, medical anthropologists and those involved with science and technology studies.
Author:
Publisher:
ISBN:
Category : Materials
Languages : en
Pages : 358
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Author: J. Paulo Davim
Publisher: John Wiley & Sons
ISBN: 1118602676
Category : Technology & Engineering
Languages : en
Pages : 243
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Book Description
Wood as an engineering material can be technically defined “as a hygroscopic, orthotropic, biological, and permeable material having extreme chemical diversity and physical complexity with structures, that vary extensively in their shape, size, properties and function”. Therefore, using wood to its best advantage and most efficiency in engineering applications, specific characteristics or chemical, physical and mechanical properties must be considered. The products are divided into two classes, solid wood and composite wood products. Solid wood includes shipbuilding, bridges, flooring, mine timbers, etc. Composite wood products include insulation board, plywood, oriented strand board, hardboard and particle board. In recent years, the machining of wood products has acquired great importance due the short supply of wood and increasing environmental awareness among users and manufacturers. The optimization of the machining process centers around the mechanism of chip formation, tool wear, workpiece surface quality, crack initiation and propagation of different types of wood. Other factors are also humidity, temperature, static preloads, and vibrations that can affect the wood during the machining process. The book provides some fundamentals and recent research advances on machining wood and wood products.
