Mechanical wood processing

Over the centuries, wood—with its myriad applications and related trades—has given rise to the economic concept of the “wood industry” (see [Doc. BM 7 410] ), which spans the spectrum from forestry to manufactured goods through successive stages of processing in both industrial and artisanal settings, while also playing a vital role in critical fields such as research, training, and, nowadays, the demand for “sustainable development”—a need to which this inherently renewable material is perfectly suited, provided that trees are harvested and replanted intelligently.

A field of study implies a common language, shared knowledge, and key reference points—all of which are essential for listening, understanding, discussing, deciding, and overseeing when one holds a technical leadership position, such as a "Quality Assurance" department head at a wood-based products company. Language and knowledge that are often underdeveloped in general higher education, due to a lack of time for in-depth study, or even due to the exclusionary practices of certain programs that prioritize “cutting-edge techniques” or synthetic materials—which are mistakenly considered more “modern” or more “promising.”

In light of recent advances in knowledge, machining techniques, and new materials that have appeared on the market—including “composite” materials—the previous edition of this booklet, written in 1994, needed to be updated, at least in part. In addition to the core concepts—which are now highlighted with the necessary emphasis through examples that demonstrate their importance—it includes a number of additions that are worth knowing, as they have been in common use, are emerging, or are subject to regulatory requirements since that time.

This first article, "Wood Applications," covers these fundamental aspects of wood as a material, whether from a biological, physical, or mechanical perspective. "Wood-derived" materials— – —including both classic and newer types— – —are then presented along with their purpose, production methods, characteristics, and performance in relation to their applications, as well as sheet and film materials used to reinforce their stiffness or coat them. Next, typical joints and methods for surface protection and finishing are described.

The following articles on mechanical woodworking, written by Jacques Juan, provide a detailed overview of the principles of wood machining, the main machining operations using cutting tools and the machines used, other processing methods that do not involve cutting tools, and, finally, the new health and safety regulations, as the industry’s regulatory framework has been strengthened over the...