Description:

Preliminary design, design calculations and aplication of axles and shafts, sliding and rolling bearings, shaft connections, elements of crank mechanism, pipelines and their accessories and fittings.

Contents:

Axles and shafts. Preliminary design, strength and deformation evaluation. Vibration of shafts.
Sliding bearings. Bases of tribology, lubrication, lubricants. Radial sliding bearings operating at hydrodynamic or hydrostatic lubrication. Design, loading capacity and reliability of sliding bearings.
Rolling bearings. Standardisation. Kinematics, dynamics, loading capacity, durability of rolling bearings. Shaft supporting with use of rolling bearings.
Shaft coupling and clutches. Main types, properties, characteristics, application. Kinematics, dynamics, design, dimensioning, design calculations.
Inelastic, elastic and compensating shaft couplings.
Design, loading capacity and compensating capabilities of shaft couplings.
Dynamic torsional analysis of driving systems provided with shaft couplings.
Mechanically controlled shaft clutches. Design, calculation of loading capacity, compensating properties.
Special shaft clutches. Safety, starting, overrunning clutches.
Main parts of crank mechanisms. Kinematics and dynamics of crank mechanism. Theoretic indicator diagrams.
External, internal and inertial forces loading crank mechanisms.
Loading, preliminary strength calculation and design of main parts of crank mechanisms.
Pipelines and fittings. Flow of substance through pipeline. Operating parameters, calculation of pipeline diameter.
Pipes. Materials, production, dimensioning, loading capacity, joining.
Pipeline compensators.
Closing fittings. Cocks, valves, gate valves. Closing forces of fittings, dimensioning, design calculations.

Seminar contents:

None

Recommended literature:

Jančík, L.: Machine Elements and Mechanisms II (study texts). CTU Prague, 2006
J.E. Shigley; Ch.R. Mischke: Mechanical Engineering Design. McGraw Hill, New York, 1989.

Keywords:

Supporting systems, axles, shafts, sliding bearings, rolling bearings, shaft couplings, shaft clutches, parts of crank mechanisms, pipelines and fittings, dimensioning, loading capacity, durability, reliability.

Abbreviations used:

Semester:

• W ... winter semester (usually October - February)
• S ... spring semester (usually March - June)
• W,S ... both semesters

Mode of completion of the course:

• A ... Assessment (no grade is given to this course but credits are awarded. You will receive only P (Passed) of F (Failed) and number of credits)
• GA ... Graded Assessment (a grade is awarded for this course)
• EX ... Examination (a grade is awarded for this course)
• A, EX ... Examination (the award of Assessment is a precondition for taking the Examination in the given subject, a grade is awarded for this course)

Weekly load (hours per week):

• P ... lecture
• C ... seminar
• L ... laboratory
• R ... proseminar
• S ... seminar