Production of Glued Materials

Total Hours in Course80

Number of hours for lectures32

Independent study hours48

Date of course confirmation08.11.2016

Responsible UnitDepartment of Wood Processing

Course developers

doc.

Uldis Spulle

Dr. sc. ing.

Laura Ziemele

Dr. sc. ing.

Prior knowledge

LauZ2023, Construction Materials

MatZ2035, Wood Cutting Processes

MatZ2036, Wood Science

MatZ3028, Wood Processing Machinery and Tools

Replaced course

MatZ3047 [GMTR3047] Production of Glued Materials

Course abstract

Wood is glued to raise its properties and prevent the wood foult and defects. Glued laminated timber is widely used in furniture manufacturing, construction, engineering, etc. Glued wood advantages of dimensional stability and uniformity. Glued laminated timber technology is modern, wood resource-efficient, automated lines. Glued materials are plywood, particleboard, fibreboard, glued solid wood, etc. Study course introduce also with glues and their properties used in gluing of timber.

Learning outcomes and their assessment

Knowledge about the types of the glues, general requirements for gluing of wood - Test (1) and knowledge about the types of the wood based panels, production technologies and raw materials - Test (3).
Skills to analyze and make choice of glues used for wood and specially wood based panel’s production, development of maps of the technological flows, calculation of volume of the raw materials and product viability - Test (2).
Competence to analyze raw material and material resources for technology provision, product quality assessment and product development - test (3) and independent work.

Course Content(Calendar)

Each of the listed topics has lessons for 2 hours.
1.Classification of adhesives used for wood processing and adhesive properties
2.Requirements and test methods for the quality of wood bonding
TEST (1) - Classification of adhesives and requirements for gluing of wood
3.Adhesives based on plant and animal products, their properties
4.Synthetic resin glues and their properties
5.Manufacture and properties of urea formaldehyde, phenolic formaldehyde resin glues and their modification resin glues
6.Melamine, resorcinol, polyvinyl acetate, etc. compound and impregnated resin glues
7.Wood non-conventional gluing technologies
8.Wood bonding with other materials
TEST (2) - Types, properties and uses of glues
9.Manufacturing of plywood and possible applications
10.Production of curved glued components and laminated veneer lumber
11.Production technologies and possibilities of use of particle boards
12.Technologies for the production of oriented strand board and application
13.Production of wood fibre boards and application
14.Manufacturing technologies of the glued laminated timber and cross laminated timber and applications
15.Technologies and possibilities of use of wood composite materials
16.Wood light boards manufacturing technologies and applications
TEST (3) - Technologies and quality control of wood-based panels and other glued materials

Requirements for awarding credit points

1.Three TESTS (need to get a positive evaluation, not rewritten). 2.Exam (if one of the tests is unsuccessfully completed), in the form of a test on the theory acquired in the study course. 3. Attend at least 85% of the study course lectures.

Description of the organization and tasks of students’ independent work

Independent work on the subject of the chosen product of the student, analyzing the choice of glue, development of technology and process management from the point of view of economic, ecology and product viability.

Criteria for Evaluating Learning Outcomes

The final evaluation of the study course consists of:
1. Three tests - 70%
2. Independent work - 20%
3. Exam - 10%

Compulsory reading

1. Laimonis L., Griņevičs G., Laiveniece L., Spulle U. Līmēto materiālu ražošana: Kokskaidu plātnes. Orientēto skaidu plātnes. Latvijas Lauksaimniecības universitāte. Meža fakultāte. Kokapstrādes katedra Jelgava: Studentu biedrība "Šalkone", 2019 122 lpp. , URL: https://llufb.llu.lv/LLUgramatas/MF/LLU_gramata_Limeto_mater-razosana.pdf ISBN 9789934873560.
2. Thoemen H. et alI. Wood Based Panels. SBN9781902316826 [tiešsaiste] [skatīts 24.02.2014.]. Pieejams:http://www.ahb.bfh.ch/NR/rdonlyres/6388C45C-8399-47AA-A833-589576D903BA/0/WoodBased_PanelsThoemen_et_alISBN9781902316826.pdf
3. Baldwinn R.F. Plywood and Veneer-Based Products. The Donnell Group, 2016., 544 p.
4. APA Engineered Wood Handbook. Ed. T.Williamson. New York: McGraw-Hill, 2002. 750 p.

Periodicals and other sources

1. Baltijas koks. ISSN 1407-6667

Notes

The study course is included in the compulsory part of the professional higher education study program Wood Processing realized by Forest Faculty

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