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CZECH TECHNICAL UNIVERSITY IN PRAGUE
STUDY PLANS
2022/2023

Theory of Designing the Machine Parts and Its Groups

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Code Completion Credits Range
W36OZ006 ZK 52P+26C
Lecturer:
Martin Dub (guarantor), Josef Zicha (guarantor)
Tutor:
Martin Dub (guarantor), Josef Zicha (guarantor)
Supervisor:
Department of Instrumentation and Control Engineering
Synopsis:

Theory of realization of required kinematic and force bonds between the touching machine parts and general methods of their connection in functional assembly units (Screw, clamp, pressed, slotted, wedge, rivet, welded, soldered, glued). Theory of gearing, chain, belt and friction. Rotary links, bearings.

Requirements:
Syllabus of lectures:

• Problematics of threaded and screw connections, stress and deformation analysis of pre-stressed screw connections, calculations of load and lifetime, improvement of operational properties of joints, tribological conditions on screw surfaces.

• Shaped and power joints, strength calculations, surface tribology, wear, contact pressures.

• Material connections, stress and strain analysis, strength solution, load dynamics.

• Theory of power transmission in rotational, translational and combined motion transmission.

• Power transmission by motion tweezers, kinematics, power transfer dynamics, power loss in power transfer.

• Theory of power transmission by gears, gear types, kinematic bonds, power transmission dynamics, energy losses in power transmission by gearing.

• Strength calculations of rolling gears, calculations of torsion stiffness, determination of kinematic precision.

• Hypoid, cycloidal and harmonic gears, specificity of strength calculations and lifetime.

• Kinematics and dynamics of belt and chain transmissions, strength calculations, lifetime.

• Friction gears, variators, kinematics, dynamics and transmission life, transmission design.

• Theory of rotational bonds for the transfer of radial and axial forces in the mechanisms.

• Theory of serviceability of rolling bearings.

• Sliding bearing serviceability theory.

Syllabus of tutorials:
Study Objective:
Study materials:

• Bobzin, K., Bartels, T.: Industrial Tribology: Tribosystems, Friction, Wear and Surface Engineering, Lubrication, Wiley. 2011

• Collins, J.A., Busby, H.R., Staab, G.H.: Mechanical Design of Machine Elements and Machines: A Failure Prevention Perspective, Wiley. 2010

• Klebanov, B.M., Barlam, D.M., Nystrom, F.E.: Machine Elements: Life and Design, CRC Press. 2007

• Klit, P., Pedersen, N.L.: Machine Elements: Analyses and Design, Polyteknisk Forlag. 2014

• Shigley, Mischke: Mechanical Engineering Design, Nex York, 1989

• Harris, Kotzalas: Essential concepts of bearing technology. CRC press. 2006

Note:
Time-table for winter semester 2022/2023:
Time-table is not available yet
Time-table for summer semester 2022/2023:
Time-table is not available yet
The course is a part of the following study plans:
Data valid to 2022-10-07
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