Subject 'Welding Technology and Equipment'

Year:   2016/2017    2017/2018    2018/2019    2019/2020    2020/2021    

Physics of welding. Welding processes. Weldability of metals. Kinds of welded joints. Types of weld and welding symbols. Procedure of arc welding. Power sources for arc welding and welding equipment. Arc-welding consumables. Electric resistance welding. Shielded-arc welding. Welding steels, cast iron and non-ferrous metals. Surfacing and hard facing. Repair welding. Torch welding and flame cutting. Plasma-arc, electron-beam, ultrasonic, diffusion and friction welding. Spray-transfer coating. Welding imperfections and quality control. Welder's working place, ventilation and labour protection.

The aim of the course is to widen the knowledge about welding different materials, the basics of welding production, quality system, the strength of welded joints, economical calculations of welded joints, welding devices and conductors.

Lectures, teamwork, individual work.

1. P. Kulu, J. Kübarsepp, A. Laansoo, J. Pirso, L. Valdma. Metalliõpetus ja metallide tehnoloogia. II Metallide tehnoloogia 2. Tln. TTÜ Kirjastus, 2001, 380 lk
2. Howard B. Cary, Modern Welding Technology, Second Edition, Prentice Hall, Englewood Cliffs, New Jersey, 1994, 787 lk.
3. V. Stepanov, Keevitaja käsiraamat. Tln, Valgus, 1991, 502 lk.
4. P. Lepola , M. Makkonen, Hitsaus ja teräsrakenteet, WS Bookwell OY, Porvoo, 2003, 560 lk.
5. Õppejõu poolt koostatud ja valitud muu materjal.

The course is evaluated based on the written and oral reports.

Grading system:
0-50% grade 0 "fail"
51-60% grade 1 "sufficient"
61-70% grade 2 "satisfactory"
71-80% grade 3 "good"
81-90% grade 4 "very good"
91-100% grade 5 "excellent"

The substance is a specialty subject, the exam must be completed at least grade "2".

2020: TK*  TK*  

2019: TK*  TK*  TT  TT  

2018: TK*  TT  TT  

2017: FOR*  TT  

2016: FOR*  TT  

2015: FOR*  TT  

2014: FOR*  TT  

2013: FOR*  TT  

2012: TI  

2011: TI  

2010: TI  

2009: TI  

* Optional subject