Course: Machine Parts and Mechanisms II

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Course title Machine Parts and Mechanisms II
Course code KST/CSII
Organizational form of instruction Lecture + Lesson
Level of course Bachelor
Year of study not specified
Semester Winter
Number of ECTS credits 5
Language of instruction Czech, English
Status of course Compulsory
Form of instruction Face-to-face
Work placements Course does not contain work placement
Recommended optional programme components None
Course availability The course is available to visiting students
Lecturer(s)
  • Pešík Lubomír, prof. Ing. CSc.
Course content
Lectures 1st Optimization of gears. Correction of toothing. 2nd Bevel gears with helical teeth. Geometry and force conditions. 3rd Screw gear. Geometry, kinematics, traction and power ratios, efficiency and strength calculation 4th Belt transmission with a toothed belt. Geometry, power relations and design. 5th - 8 The planetary gears and differentials. Structure, number of degrees of freedom, gear ratios, geometric, speed and power characteristics. 9th - 11 Metal, rubber and air springs. Saving frames and machine bases. 13th Vibration shaft. 14th Shaft couplings. Clutch fixed, dilated and swinging. Sliding couplings. Friction clutch. Flexible couplings with linear and nonlinear characteristics, and damping without damping. Exercise Exercise support lectures with an emphasis on applications in real structures. The form of exercise is a seminar with a substantial proportion of individual creative work on assigned tasks. 1st Geometry Optimization of gears. 2nd Correction of tooth spur gear. 3rd Geometry and force conditions bevel gears with helical teeth. 4th Geometry, kinematics, grip strength ratios and helical gears. 5th Geometry, power relations and design belt drives with toothed belt. 6th - 9 Calculation of planetary gears. Design dimensions and power relations. 10th -12. Calculation of metal, rubber and air springs and the imposition of machine bases and frames. 13th Vibration shaft. 14th Calculation of couplings. Clutch fixed, dilated and swinging. Sliding couplings. Friction clutch. Flexible couplings with linear and nonlinear characteristics, and damping without damping. Poslech Fonetický přepisSlovník - Zobrazit podrobný slovníkPřekladač Google pro moje:VyhledáváníVideaE-mailTelefonChatFirmyO Překladači GoogleVypnout okamžitý překladOchrana osobních údajůNápověda ?2010Nástroje pro firmyTranslator ToolkitO Překladači GoogleBlogOchrana osobních údajůNápověda>

Learning activities and teaching methods
Monological explanation (lecture, presentation,briefing)
Learning outcomes
1. Mechanical gears. Gears with oblique toothing. 2. Geometry and force ratios. Tooth optimization. Sliding ratios. Replacement gear and engagement factor. 3. Screw gear. Worm gears. Geometry and power ratios. 4. Sliding speed and choice of worm gearing material. Efficiency. 5. Planetary gears. Geometry and mounting conditions. 6. Gear with simple satellites. Frontal and conical gears. Kinematic bonds and power ratios. Potential Performance and Efficiency. 7. Planetary gears with double satellites. Geometry and mounting conditions. 8. Conical and conical gears Kinematic couplings. Strengths. 9. Shaft oscillations. Bending oscillation. Motion equations. 10. Critical revolutions. Torsion oscillation of shafts. Absorbers and shock absorbers. 11. Springs of metal. Spiral and cylindrical helically coiled spring. 12. Disc spring. Spring design. Load characteristics and stiffness. 13. Rubber springs. Plate and socket springs. 14. Calculation of stiffness longitudinal and torsional. Geometry and power ratios.
Students obtain knowledge in given course in accordance with requirements and sourse programme.
Prerequisites
unspecified

Assessment methods and criteria
Written exam

Credit: necessary credit from subject Elasticity and Strenght I, compulsory active attedance at seminars, working-out and defence of semestral work " Exam: written and oral
Recommended literature
  • Dejl, Z. Konstrukce strojů a zařízení I,- spojovací části strojů. Ostrava, 2000.
  • Hosnedl,S., Krátký, J. Příručka strojního inřenýra I- obecné strojní části. Computer Press. Praha 2000.
  • Hosnedl,S., Krátký, J. Příručka strojního inženýra II - převodové mechanismy. Computer Press Praha.
  • Moravec, V. Konstrukce strojů a zařízení II - ozubené převody. Ostrava, Montanex, 2001.
  • Pešík, L. Části strojů - 1. díl. TU v Liberci, 2008. ISBN 978-80-7372-319-4.
  • Pešík, L. Části strojů - 2. díl. TU v Liberci, 2008. ISBN 978-80-7372-320-0.


Study plans that include the course
Faculty Study plan (Version) Category of Branch/Specialization Recommended year of study Recommended semester