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TMO - Theory and methodology of machining - 2341012

  • Course language(s): Czech
  • Keywords: machining; cutting; theory; methodology; deformations; surface integrity; forces; vibrations; heat; temperature; tool wear; tool life; machinability; cutting ability; cutting medium
  • Prerequisities: Knowledge of technology of machining methods.
  • KOS component course information

 

Study

Study programme

Range

Termination

Type

Credits

Semester

Branchs

Academic year: 2017/18
1 master
full-time
Mechanical engineering  3+2 a,ex O 5 1 Production and Materials Engineering
2 master
part-time
Mechanical engineering  14/4 a,ex O 5 1 Production and Materials Engineering
3 master
full-time
Mechanical engineering  3+2 a,ex OE 5 1 Production Machines and Equipment; (without fields - PR40)
supervisor(s) prof. Ing. Jan Mádl, CSc.
lecturer(s) prof. Ing. Jan Mádl, CSc.; Ing. Pavel Zeman, Ph.D.
practicer(s) Ing. Zdeněk Pitrmuc; Ing. BcA. Jan Podaný, Ph.D.; Ing. Vítězslav Rázek, CSc.; Ing. Pavel Zeman, Ph.D.
examiner(s) prof. Ing. Jan Mádl, CSc.

Synopsis

Mechanics of chip formation, primary and secondary deformation in chip formation, built-up edge formation, effect of cutting tool geometry on these factors, forces in cutting, vibrations and temperatures, reasons and forms of tool wear, tool life, machinability, cutting ability and cutting medium.

Goals of study

Deep knowledge of machining technology principles and their application in industry.

Course curriculum

  1. Chip formation mechanics, deformation zones, diagrams of favourable chip formation.
  2. The effect of workpiece material, cutting tool geometry, cutting conditions and other factors on primary deformation zone and the effect on machining process.
  3. Secondary deformation, buit-up edge formation in different wrkpice materials and the effect on machining prcesses.
  4. Minimum chip thickness, surface integrity, residual stresses and work hardening in machined surfaces.
  5. Minimum chip thickness, surface integrity, residual stresses and work hardening in machined surfaces.
  6. Forces, torques and power, calculation, the effect of working parameters.
  7. Vibrations in machining, the effect of working conditions.
  8. Heat and temperatures, the effect of working conditions.
  9. Reasons and forms of tool wear.
  10. The effect of working conditions on tool wear.
  11. Optimum tool wear in roughing and finishing.
  12. Tool life, effect of working conditions.
  13. Machinability, cutting ability. Cutting medium, cutting fluids.

Training course curriculum

  1. Chip formation mechanics, diagrams of favourable chip formation.
  2. The determination of the relation between cutting ratio and cutting speed.
  3. Forcess and torque measurement in cutting as a function of cutting conditions, the determination of empirical equations, specific cutting force as a function of feed rate.
  4. Forcess and torque measurement in cutting as a function of cutting conditions, the determination of empirical equations, specific cutting force as a function of feed rate.
  5. Forcess and torque measurement in cutting as a function of cutting conditions, the determination of empirical equations, specific cutting force as a function of feed rate.
  6. The effect of working parameters on vibrations.
  7. The determination of the relation among cutting temperature and cutting conditions.
  8. The determination of the relation among cutting temperature and cutting conditions.
  9. Tool wear measuremernt on different cutting tools.
  10. The determination of the relationtion between tool wear and cutting time.
  11. The determination of optimum tool wear in roughing and finishing.
  12. Taylor´s equation determination.
  13. Machinability determination by different methods. Cutting medium, cutting fluids testing.

Literature

  • Mádl, J.: Teorie obrábění, ČVUT, Praha, 1996 ()


Script editor: Ing. Pavel Novák, Ph.D. (p.novak@fs.cvut.cz)
Generated time: 20.11.2017, 00:49:45