ProLigno / ProLigno 2006 Issue 2  
     
 
 
   

 


 

 

 

Mihaela Campean

Heat Treatments of Wood

Editura Universitatii „Transilvania”, Brasov 2005
ISBN 973-635-606-X, 200 pg.

 

This book presents within 7 chapters the main aspects related to the theory and practice of drying and heating processes applied in wood industry. Though conceived as course support for the students of the “Wood Science and Technology” specialization at the Faculty of Wood Industry in Brasov, this work may be also useful to industrial specialists, as it approaches in an accessible and synthezised manner processes of major economical interest. The most extended chapter refers to the practice of timber drying, where, along 70 pages, latest technologies and their application features are presented. The bibliographical material cited and listed at the end of the book comprises over 100 titles, most of them being from recent international reference literature.Four appendixes and an English-Romanian dictionary of speciality-specific terms complete the seven chapters of the book.

 
 

Elena POPA, Viorel POPA

Alder, Poplar, Robinia – Properties, Colouring (in Romanian language)

Editura Universitatii „Transilvania”, Brasov 2004
ISBN 973-635-279-X,
188 pg.

 

Demands for more and more wood material entail planting and exploiting wood species at a quicker growth rate and in terms of a higher wood mass production. It is also necessary that one should find solutions to replace valuable species which are generally characterized by low growth rate and reduced mass production. Wood species, such as alder, poplar and acacia, which belong to the first category, make the object of the present paper, which represents a study concerning the natural color of the three species and their behaviour within the coloring process. The study also approaches the defining features of wood within the coloring process, such as: macroscopic and microscopic structure of the three species, chemical composition, roughness of the sanded surfaces and water permeability.

 
 

Constantin Lazarescu

Tolerances and Dimensional Control in Wood Industry
(both Romanian and English versions are available)


Editura Universitatii “Transilvania”, Brasov 2005
ISBN 973-635-503-9
253 pg.

 

 

The book presents notions regarding the interchangeability in parts processing, accuracy problems, methods used in determining the manufacturing precision, the I.S.O. system of tolerances and fits in general, and particularly, for wooden product. As a novelty, based on his own experimental results, the author presents a method of achieving fits in wooden products by tenon compression.
Dimensional chains and methods to solve them are also presented, as well as verification devices used in wood industry and a study regarding fabrication errors by statistical methods. The book also contains an appendix with a Romanian-English dictionary of speciality-specific terms.

 
 

Ion Tanasescu, Adrian Budala

Mechanisms and Machine Elements (in Romanian language)

Editura Universitatii “Transilvania”, Brasov 2005
140 pg.

 

 

This book is a course support for the subject “Mechanisms and Machine Elements”. This course actually represents a reunion of two distinct subjects but which have a lot of common aspects: “The Theory of Mechanisms”-which studies the assemblies which transmit motion at the level of cinematic, static and dynamic schemes, and respectively, “Machine Elements” – which studies the component parts of assemblies and sub-assemblies, the working scheme and the strength calculus which is necessary for their design. The main goal of this course is to stimulate and improve both analysis and creation capacities of the students, by teaching them to search for different constructive solutions and to design machine elements based on scientific methods. To this purpose, the book presents within its 11 chapters, notions regarding: the structure, kinematics and dynamics of plane and cam mechanisms; assemblies; bearing and linking machine elements; different types of transmissions (gear, belt, chain etc.).

 

 
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