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Course title Machine Elements II
Course code LauZ4070
Credit points (ECTS) 1.5
Total Hours in Course 40.5
Number of hours for lectures 8
Number of hours for laboratory classes 8
Independent study hours 24
Date of course confirmation 19/10/2011
Responsible Unit Institute of Mechanics and Design
 
Course developers
Ph.D., Māris Gailis

Prior knowledge
LauZ3126, Strength of Materials I
LauZ3162, Strength of Materials II
LauZ4190, Theoretical Mechanics II
Meha4008, Theoretical Mechanics I
Replaced course
VidEB009 [GVIEB009] Machine Elements II
Course abstract
The aim of the study course is to acquire the theory of general (typical) machine elements (part and units), engineering calculations and design, present engineering knowledge for creative machine design work, develop engineering thinking, initiative and creation, to apply the existing ideas and to search for new ones, to modulate using analogues.
Learning outcomes and their assessment
Knowledge - know the criteria for workability of machines, machines and parts, selection of materials and design methods, knowledge of the design-related standards (ISO, LVS, DIN) - exam.
Skills - how to choose a technical method to address tasks, use manuals and standards for practical tasks - 2 laboratory work tasks.
Competence - capable of modulating tasks in machine science, addressing technical tasks and conducting independent studies, is a knowledgeable, informed, and capable professional – 2 laboratory work tasks.
Course Content(Calendar)
1. Gear drive types (Lecture – 1h)
2. Selection of gear material (Lecture 1h)
3. Calculation of gear train (Lecture – 1h, Lab Work 2h)
4. Calculation of gear (Lecture – 1h, Lab Work 2h)
5. Shaft connections (Lecture – 1h)
6. Calculation of shaft connections (Lab Work 2h)
7. Couplings, clutches, and brakes (Lecture – 1h)
8. Shaft alignment (Lab work 2h)
9. Thread types (Lecture – 1h)
10. Threaded connection calculation (Lecture – 1h) Exam
Requirements for awarding credit points
Course assessment is formed follows:
• all lab work tasks must be submitted (50%);
• exam must be written and successfully graded (50%).
Credit points are assigned if the rate weighted average score is at least grade 4.
Description of the organization and tasks of students’ independent work
Students must independently perform calculations for the successful execution of laboratory work. Students prepare themselves for the exam on the subject of lectures.
Criteria for Evaluating Learning Outcomes
The grade is formed as the weighted mean of the results of lab work tasks and the exam.
Compulsory reading
Budynas R., Nisbett K. Shigley's Mechanical Engineering Design, 10th edition. Singapore etc.: McGraw-Hill, 2014. 1104 p.
Further reading
1. Uzkliņģis G. Mašīnu elementi. 1.daļa: Savienojumi. Jelgava: LLU, 2008. 468 lpp.
2. Fischer U., Gomeringer R., Heinzler M., Kilgus R. Mechanical and Metal Trades Handbook, 3rd edition. Europa-Lehrmittel, 2012. 444 p.
Notes
Compulsory course for students of the academical higher education study program "Agricultural Engineering". 3rd study year 5th semester.