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| ORE7201 | Decorative Wood Veneer | 3+0+0 | ECTS:7.5 | | Year / Semester | Fall Semester | | Level of Course | Third Cycle | | Status | Elective | | Department | DEPARTMENT of FOREST INDUSTRY ENGINEERING | | Prerequisites and co-requisites | None | | Mode of Delivery | Face to face, Group study, Lab work | | Contact Hours | 14 weeks - 3 hours of lectures per week | | Lecturer | Prof. Dr. Semra ÇOLAK | | Co-Lecturer | None | | Language of instruction | Turkish | | Professional practise ( internship ) | None | | | | The aim of the course: | | The course aims to define decorative wood veneer production techniques and wood properties affecting veneer production, to determine wood suitable to decorative veneer, and to compare natural and synthetic veneers. |
| Programme Outcomes | CTPO | TOA | | Upon successful completion of the course, the students will be able to : | | | | PO - 1 : | define and explain the decorative wood veneer production techniques, wood selection suitable to decorative veneer and properties affecting veneer production | 2,3,5 | 1 | | PO - 2 : | solve the some problems related to production and coating technology of decorative wood veneer | 2,3,5 | 1,3 | | PO - 3 : | apply decorative veneers on different materials surfaces | 2,3,5 | 1 | | PO - 4 : | analyze the flow diagram of manufacturing decorative wood veneer and surface coating. | 2,3,5 | 1 | | PO - 5 : | interpret and pinpoint the problems run into during the veneer production and their using. | 2,3,5 | 1,3 | | CTPO : Contribution to programme outcomes, TOA :Type of assessment (1: written exam, 2: Oral exam, 3: Homework assignment, 4: Laboratory exercise/exam, 5: Seminar / presentation, 6: Term paper), PO : Learning Outcome | | |
| Decorative wood veneer production, Types of veneer and their usage, Native and exotic wood species suitable to decorative wood veneer, Wood properties affecting veneer production, Selecting veneer quality trees and logs, Production of flitches, veneer cutting methods, storage condition and handling requirements of veneer, Veneer matching techniques, Laminating process and types of glue used for veneering, Sanding and finishing veneered panels, Comparison of natural and synthetic veneers. |
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| Course Syllabus | | Week | Subject | Related Notes / Files | | Week 1 | Review the veneer production. Types of veneers and their usages. Decorative formations from different tree parts. Advantages of using wood veneer. Determination of homework subjects | | | Week 2 | Native and exotic wood species suitable for veneer production. Wood properties affecting veneer production.Selecting veneer quality trees and logs and production of flitches. Growing defects desired for decorative wood veneering in tree trunk and cutting techniques. Burl, birds eye,pommele, quilted veneer | | | Week 3 | Veneer production methods: Peeling (rotary and half-round peeling), slicing (Plain and quarter slicing) and sawn veneer. Veneer Classification systems: according to cutting direction (straight and figured veneer) and appearance properties of veneer, Reconstituted veneer | | | Week 4 | Drying of decorative veneer, storage conditions, quality in veneers; slicer or peeler checks, drying check, dimensional tolerances of veneer, veneer moisture content, | | | Week 5 | Tools for veneering; rules and straightedges, cutting mats, veneer saw and knives, veneer hammers, Flattening processes of veneers, flattening thecniques for burl veneer. | | | Week 6 | Matching methods for decorative veneering and application techniques, methods and requirements of veneer joining and some problems in veneer jointing (poor joining, discolouration of glue line) | | | Week 7 | Substrates for veneering (particleboard, MDF, plywood, blockboard) and technival requirements for substrate materials. | | | Week 8 | Application of decorative veneers on the substrates surfaces, loose and tight sides of veneers, moisture content of veneers and substrates prior to laminatig. | | | Week 9 | Mid-term exam | | | Week 10 | Types of glue used for veneering (termosetting, termoplastic, elastomers, hot-melt ve epoxy resins), preperation of adhesive and gluing. | | | Week 11 | Problems related to gluing and pressing (glue bleed-through and veneer delamination) and recommendations on the prevention of these problems. | | | Week 12 | Students homework presentation | | | Week 13 | Sanding and finishing veneered panels, selection of coatings, typical problems with finished veneered panels, general recommandation for finishing procedures | | | Week 14 | Complex problems in veneered panels: Causes of veneer checking and ıts prevention, discolouration and staining of veneer, recommendations on the prevention of veneer discolouration. | | | Week 15 | Quality control in veneered product, requirements for quality control process, summary of typical problems in veneered products. Comparison of decorative wood veneer and synthetic veneers | | | Week 16 | End-of-term exam | | | |
| 1 | MacGregor, J.2004; Preparing and Applying Decorative Wood Veneers and Inlays to Substrats, Decorative Wood Veneer Ass. | | | 2 | Barbara, O. 2003; A Manual for Decorative Wood Veneering Technology, Forest and Wood Product Research and Development Corporation. | | | 3 | Decorative Wood Veneer Ass, Veneer Products Information, www.woodveneer.asn.au | | | |
| 1 | Schramm, A. 2003; A Complete Guide to Hardwood Plywood and Face Veneer, Purdue University Press, Indiana | | | 2 | Baldwin, R. F. 1995; Plywood And Veneer Based Products : Manufacturing Practices, Miller Freeman Inc., California 94107, USA.
| | | 3 | Lutz, J. Lutz, F. 1977; Wood veneer; Log selection, Cutting and Drying, U.S. Dep. Agric., Tech. Bull. No:1575, Madison. | | | |
| Method of Assessment | | Type of assessment | Week No | Date | Duration (hours) | Weight (%) | | Mid-term exam | 9 | | 2 | 30 | | Presentation | 12 | | 1 | 20 | | End-of-term exam | 16 | | 2 | 50 | | |
| Student Work Load and its Distribution | | Type of work | Duration (hours pw) | No of weeks / Number of activity | Hours in total per term | | Yüz yüze eğitim | 3 | 14 | 42 | | Sınıf dışı çalışma | 4 | 14 | 56 | | Laboratuar çalışması | 1 | 3 | 3 | | Arasınav için hazırlık | 4 | 8 | 32 | | Uygulama | 0 | 0 | 0 | | Klinik Uygulama | 0 | 0 | 0 | | Ödev | 4 | 12 | 48 | | Proje | 0 | 0 | 0 | | Dönem sonu sınavı için hazırlık | 4 | 5 | 20 | | Dönem sonu sınavı | 1 | 2 | 2 | | Diğer 1 | 0 | 0 | 0 | | Diğer 2 | 0 | 0 | 0 | | Total work load | | | 203 |
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