Course title | Metal Processing Technology and Design I |
Course code | MašZ3036 |
Credit points (ECTS) | 7.5 |
Total Hours in Course | 202.5 |
Number of hours for lectures | 16 |
Number of hours for seminars and practical classes | 32 |
Number of hours for laboratory classes | 32 |
Independent study hours | 120 |
Date of course confirmation | 23/01/2018 |
Responsible Unit | Institute of Engineering and Energetics |
Course developers | |
Dr. sc. ing., doc. Jānis Lāceklis-Bertmanis |
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Prior knowledge | |
MatZ4012, Material Science (Construction Materials) |
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Replaced course | |
MmehB002 [GMMEB002] Metal Processing Technology and Design I |
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Course abstract | |
The aim of course is to provide set of practical skills of casting and forging in machinery engineering; processing types and products; Welding process and equipment for electrical, gas and pressure welding, technology and materials, theory of material cutting process; metal cutting machinery, equipment, tools and technology. | |
Learning outcomes and their assessment | |
1.Know the technological processes of metals casting, equipment and tools — test nr. I and laboratory works;
2.To know the welding processes, equipment, tools and the technical parameters: tests nr. II and laboratory works. 3. Able to apply the most appropriate metalworking technology for work - practical works. |
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Course Content(Calendar) | |
Full time intramural studies:
LECTURES: 1.Production of castings. General information about casting production. Importance of castings in the engineering industry. Production of castings in moulding moulds. Building materials, equipment and technology – 1hour; 2.The latest types of casting production: shell molding, evaporative-pattern casting, die casting and pressure die casting – 1hour; 3.Theoretical fundamentals of metal forging. Plastic deformation. Blank heating for metal forging. Unwanted effects in heating. Heating temperature interval – 1hour; 4.Technological processes of metal forging: rolling, stretching and punching. – 1hour; 5.Production of forging. Free forging, work tools, equipment and technology. Metal volume punching and sheet stamping – 1hour; 6.Test – Casting and forging – 1hour; 7.Metal welding. Basics of welded joints. Welding joints and seams – 1hour; 8.Possibility of metal welding and its criteria – 1hour; 9.Various metal welding technology and seams creating peculiarity – 1hour; 10.Welding in protective gases. MIG/MAG and TIG process. Impacts and choices of gas. Welding wire – 1hour; 11.Welding power sources, their external curves. Selection and use of power sources – 1hour; 12.Gas welding process. Structure and types of gas flame. Gas welding gas and technology – 1hour; 13.Test – Metal welding – 1hour; 14.Thermal cutting of metals with plasma – 1hour; 15.Thermal cutting of metals with a laser beam – 1hour; 16.Metal soldering, soldering materials and technology – 1hour. LABORATORY WORKS: 1.Design and formation of castings – 7 hours; 2.Metal forging – 6 hours; 3.Manual metal arc welding – 7 hours; 4.Gas metal arc welding – 6 hours; 5.Gas welding – 6 hours; PRACTICAL WORKS: 1.Casting – 7 hours. 2.Forging process – 6 hours. 3.MMA welding process – 7 hours; 4.MIG welding process – 6 hours; 5.TIG welding process – 6 hours. Part time extramural studies: All topics specified for full time studies are accomplished, but the number of contact hours is one half of the number specified in the calendar |
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Requirements for awarding credit points | |
Test type – test with mark. All tests work, laboratory work must be carried out. Delayed lectures shall not exceed 10% of the total. | |
Description of the organization and tasks of students’ independent work | |
Preparation for 2 tests and laboratory works. – 40 hours.
Homework No 1. Describe the types of metal casting (submit an electronic or written version) – 40 hours; Homework No 2. Describe the types of metal welding (submit an electronic or written version) – 40 hours. |
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Criteria for Evaluating Learning Outcomes | |
Students who have successfully developed tests and laboratory works for this study course may not write the final test. | |
Compulsory reading | |
1. Avotiņš J. Metālapstrāde. Jelgava: LLU. 2009. 400 lpp. 2. Avotiņš J. Konstrukciju materiālu tehnoloģija. 2. daļa. Apstrāde griežot. Jelgava: LLU. 2001. 221 lpp. 3. Avotiņš J. Konstrukciju materiālu tehnoloģija. 1.daļa. Grafo analītiskie darbi metālu karstajā apstrādē. Jelgava: LLU, 2004. 90 lpp. | |
Further reading | |
1. Pētersons O., Priednieks J. MIG/MAG metināšana. Rīga: AGA SIA, 2005. 108 lpp. 2. Welding cutting General cataloge. SAF: 2004. 140 p. (Francija, angļu val.) | |
Notes | |
Obligatory for students of the bachelor of professional higher education program “Design and Crafts” for wood/ metal technology and design. |