| Course Title | Code | Semester | L+U Hour | Credits | ECTS |
|---|---|---|---|---|---|
| Lumber Industry | OEM301 | 5. Semester | 2 + 2 | 3.0 | 4.0 |
| Prerequisites | None |
| Language of Instruction | Turkish |
| Course Level | Undergraduate |
| Course Type | |
| Mode of delivery | Face to Face |
| Course Coordinator |
Prof. Dr. Süleyman KORKUT |
| Instructors |
Süleyman KORKUT |
| Assistants | |
| Goals | The main objective of this course is to give students relevant insight regarding lumber manufacturing. Teaching of lumber production with the maximum yield and minimum loss. Giving information on the lumber manufacturing methods, standardization and new approaches developed for sawmilling industry. |
| Course Content | Introduction to lumber manufacture, Development of Lumber Industry in Turkey and in the World, principal sawmill types ,Log supply, harvesting and transporting of timber, location, topography and surfacing of log yard, functions of the log yard, yard size, layout and equipment, scaling and tallying of logs, Log bunks, Log decks, debarking of log, debarker types, Storage technics of log, log ponds, wheeled transport and loaders, other vehicle (Wheel bucket loaders, dump trucks, flatbeds and picups) in the log,Principles of sawmill building design , Principles and systems for primary log breakdown, Sawmill Machinery, framesaw or sash gang, frame sawing, Bandsaw headrigs, Circle-saw headrigs, chipper headrigs, resaws, edgers,single and multiple-saw trimmers,Log sorting systems, Types of cranes, portal cranes, log and lumber transport types, Lumber Grading, Grade Marking and Lumber Storage,Saw design and maintenance, maintaining equipments, Standardization of log and lumber, Sawn timber – terminilogy, general terms, definitions, defects, appearance grading of hardwoods and softwoods, qualitative classification, standards related to log and lumber,Lumber manufacturing technology, log breakdown technics, general sawing rules, lumber yield,Productivity in lumber manufacturing and factors effective on the productivity. Quality yield, determining of green and dried lumber dimension, formulas used in determining the most appropriate log small end diameter and lumber dimensions in live cutting and cant cutting techniques,Saw-tooth nomenclature, saw sizes, sawing theory in frame saw, band saw and circular saw,Maximum yield theory, two-dimensional geometric theory for maximizing lumber yield from logs,Surface roughness in lumber, computers in lumber manufacturing |
| Learning Outcomes |
- It is expected that students will be able to: the technical development of lumber manufacturing - Describe standards for raw materials - Apply various techniques in sawing methods - Teaches the types of lumbers and measurements - Evaluate productivity in lumber manufacturing and factors effective on the productivit - See sawing machines using for the lumber industry - See maintenance and repair of sawing machines and tolls |
| Week | Topics | Learning Methods |
|---|---|---|
| 1. Week | Introduction to lumber manufacture, Development of Lumber Industry in Turkey and in the World, principal sawmill types | |
| 2. Week | Log supply, harvesting and transporting of timber, location, topography and surfacing of log yard, functions of the log yard, yard size, layout and equipment, scaling and tallying of logs / Introduction to preparation of sawmill project | |
| 3. Week | Log bunks, Log decks, debarking of log, debarker types, Storage technics of log, log ponds, wheeled transport and loaders, other vehicle (Wheel bucket loaders, dump trucks, flatbeds and picups) in the log yard / Scatter of sawmill project | |
| 4. Week | Principles of sawmill building design , Principles and systems for primary log breakdown, Sawmill Machinery, framesaw or sash gang, frame sawing / Explanation related to sawmill project | |
| 5. Week | Bandsaw headrigs, Circle-saw headrigs, chipper headrigs, resaws, edgers,single and multiple-saw trimmers / Video show | |
| 6. Week | Log sorting systems, Types of cranes, portal cranes, log and lumber transport types, Lumber Grading, Grade Marking and Lumber Storage / Video show | |
| 7. Week | Saw design and maintenance, maintaining equipments / Video show | |
| 8. Week | midterm exam | |
| 9. Week | Tomruk ve kereste standardizasyonu, genel terimler, tanımlar, kusurlar, kalite sınıflandırması, tomruk ve kereste ile ilgili standartlar / Kereste Fabrikası projesi ile ilgili açıklama | |
| 10. Week | Lumber manufacturing technology, log breakdown technics, general sawing rules, lumber yield / Explanation related to sawmill project | |
| 11. Week | Standardization of log and lumber, Sawn timber – terminilogy, general terms, definitions, defects, appearance grading of hardwoods and softwoods, qualitative classification, standards related to log and lumber / Explanation related to sawmill project | |
| 12. Week | Determining of green and dried lumber dimension, formulas used in determining the most appropriate log small end diameter and lumber dimensions in live cutting and cant cutting techniques / Slide show (Examples of sawmill) | |
| 13. Week | Saw-tooth nomenclature, saw sizes, sawing theory in frame saw, band saw and circular saw / Sample problem resolve | |
| 14. Week | Maximum yield theory, two-dimensional geometric theory for maximizing lumber yield from logs / Visit to sawmill in Duzce | |
| 15. Week | Surface roughness in lumber, computers in lumber manufacturing / Gather of sawmill projects |
| Program Requirements | Contribution Level | DK1 | DK2 | DK3 | DK4 | DK5 | DK6 | DK7 | Measurement Method |
|---|---|---|---|---|---|---|---|---|---|
| PY1 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | - |
| PY2 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | - |
| PY3 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | - |
| PY4 | 5 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | - |
| PY5 | 4 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | - |
| PY6 | 5 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | - |
| PY7 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | - |
| PY8 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | - |
| 0 | 1 | 2 | 3 | 4 | 5 | |
|---|---|---|---|---|---|---|
| Course's Level of contribution | None | Very Low | Low | Fair | High | Very High |
| Method of assessment/evaluation | Written exam | Oral Exams | Assignment/Project | Laboratory work | Presentation/Seminar |
| Event | Quantity | Duration (Hour) | Total Workload (Hour) |
|---|---|---|---|
| Course Hours | 14 | 4 | 56 |
| Midterm 1 | 1 | 29 | 29 |
| Homework 1 | 1 | 5 | 5 |
| Final | 1 | 10 | 10 |
| Total Workload | 100 | ||
| ECTS Credit of the Course | 4.0 | ||
