Design Elements

1. Explain terms of strength of materials.
2. Solve problems with tolerances.
3. Calculate load carrying capability of design elements and simple joints.
4. Design axles and shafts.
5. Select rolling bearing.
6. Describe couplings and clutches.
7. Analyze basic functional parameters of power transmission drive.
8. Identify specific design elements damage mechanisms.
9. Describe the most common piping elements.
10. Apply acquired knowledge in design problems solving.

Lectures will be held twice a week for 2 hours.

Exercises will be held once a week for 3 hours.

Two design assignemts will be developed.

1. Lectures: Load, stress, material strenght, allowable stress and safety of design elements. Exercises: Basic terms of Strenght of materials: load, stress, strength.
2. Lectures: Driving and operating machines. Kinematics of machine element (velocities and transmission ratio). Exercises: Static and dynamic strength. Woehler curve, French curve, Smith diagram. 1st design assignment.
3. Lectures: Standardization and ISO tolerances. Exercises: Characteristics of driving and operating machines. Design assignment audit.
4. Lectures: Press-fitted joints, rivets. Exercises: Dimension tolerance and joint tolerance. Design assignment audit.
5. Lectures: Welded, soldered and adhesive joints. Exercises: Estimating principles of welded joints. Example calculations of soldered and adhesive joints. Design assignment audit.
6. Lectures: Bolts, screws, springs. Exercises: Bolts, screws and springs laboratory exercise. Calculation and measurement of tightening torque. Design assignment verification. 2nd design assignment.
7. 1st preliminary exam (colloquium).
8. Lectures: Taper keys, parallel keys, pins, axles, shafts, . Exercises: Examples calculation.
9. Lectures: Sliding and rolling bearings, seals and sealing. Exercises: Rolling bearing selection. Design assignment audit.
10. Lectures: Rigid and elastic couplings. Clutches. Exercises: Couplings calculation examples. Design assignment audit.
11. Lectures: Friction, belt and chain drive. Exercises: Example calculation of friction drives. Design assignment audit.
12. Lectures: Spur gear drive, basic calculation and design. Exercises: Example calculation of belt chain drives. Design assignment audit.
13. Lectures: Other gear transmission types. Imaginary gear. Exercises: Basic low of gearing. Construction of involute. Example calculation od cyclindrical gears. Design assignment audit.
14. Lectures: Defect mechanisms and functionality loss, power loss. Exercises: Laboratory exercise: Determination of shafts critical speed.
15. Lectures: Piping - valve, gate valve, valve flap, spigot. Exercises: 2nd design assignment verification.