FS CVUT FS CVUT FS CVUT

 Department of machining, process planning and metrology > Courses > Course information

Čeština English
Homepage
Department
Basic information
Academic stuff
Employees
Ph.D. students
Personnel
List
All teachers
Personnel information
Divisions
Division of machining theory
Division of machining technology
Division of process and systems planning
Division of metrology
Courses
List of courses
Search
Summary information
Annotations
Conditions for obtaining assessment
Terms of exams
Course information
Research and development
Publications (in Czech)
Projects
CTU links
Department of Manufacturing Technology
Faculty Departments
Faculty of mechanical engineering
Czech technical university
University Libraries

TE2 - Technology II. - 2341014, E341014

  • Course language(s): Czech, English
  • Keywords: material cutting theory; methods of holding the work
  • Prerequisities: Basics of cutting technology.
  • KOS component course information

 

Language

Course code

Study

Study programme

Range

Termination

Type

Credits

Semester

Branchs

Academic year: 2016/17
1 Czech 2341014 bachelor
full-time
Engineering  2+2 a,ex O 5 5  
3 English E341014 bachelor
full-time
Engineering  2+2 a,ex O 5 5  
4 Czech 2341014 bachelor
full-time
Theoretical fundamentals of mechanical engineering  2+2 a,ex O 5 5  
6 English E341014 bachelor
full-time
Theoretical fundamentals of mechanical engineering  2+2 a,ex O 5 5  
7 Czech 2341014 bachelor
full-time
Production and economics in engineering  2+2 a,ex O 5 4  
9 English E341014 bachelor
individual
ERASMUS  2+2 a,ex E 5 W  
Academic year: 2017/18
11 Czech 2341014 bachelor
full-time
Engineering  2+2 a,ex O 5 5 (for all fields - STR)
13 English E341014 bachelor
full-time
Engineering  2+2 a,ex O 5 5 (for all fields - STR)
14 Czech 2341014 bachelor
full-time
Theoretical fundamentals of mechanical engineering  2+2 a,ex O 5 5 (without fields - TZSI)
16 English E341014 bachelor
full-time
Theoretical fundamentals of mechanical engineering  2+2 a,ex O 5 5 (without fields - TZSI)
17 Czech 2341014 bachelor
full-time
Production and economics in engineering  2+2 a,ex O 5 4 Technology, Materials and Economy in Engineering
supervisor(s) Ing. Jan Tomíček, Ph.D.
lecturer(s) Ing. Jan Tomíček, Ph.D.
practicer(s) Ing. Jan Tomíček, Ph.D.
examiner(s) Ing. Jan Tomíček, Ph.D.

Synopsis

Mechanics of chip formation, cutting processes, finishing operations, non-traditional machining processes. Production rates calculation, machining economics. Automation of processes, programming of manufacture. Engineering metrology. Assembly techniques. Introduction to process planing.

Goals of study

To give students knowledge with methods of technology of machining.

Conditions for obtaining assessment

  1. 100 % Seminars presence.
  2. Completing assignments.

Problems to examination

  1. Major changes in the world of goods manufacturing.
  2. Product life cycle.
  3. Manufacturing cost in the selling price.
  4. The main tasks of a design and manufacturing engineer.
  5. Chip formation - continuous and discontinuous chip formation.
  6. Primary deformation zone - shear angle.
  7. Built-up edge formation.
  8. Chip breakers.
  9. Chip thickness compression ratio (cutting ratio).
  10. Chip volume ratio.
  11. Chip breaking diagrams.
  12. Cutting forces.
  13. Specific cutting force, specific cutting power, dependence on tensile strength.
  14. Dependence of specific cutting force on feed (or nominal thickness of cut).
  15. Distribution of heat generated in cutting.
  16. The main sources of heat in cutting.
  17. Workpiece material flow due to cutting radius.
  18. Cutting temperature as a function of cutting conditions.
  19. Temperature distribution for low and high cutting speeds in a cutting tool.
  20. Work-tool thermocouple circuit.
  21. Tool wear mechanisms.
  22. Tool wear forms.
  23. Relation between hardness of tool materials and temperature.
  24. Development of flank and crater wear with cutting time.
  25. Tool life, Taylor‘s equation, the determination of Taylor’s equation.
  26. Relation among tool life and cutting conditions.
  27. The main factors influencing surface finish and surface integrity.
  28. Work hardening of machined surface, residual stresses.
  29. Tool materials and their main characteristics.
  30. Tool steels, cast cobalt alloys.
  31. Sintered carbides.
  32. Cermets, ceramics.
  33. Diamond, cubic boron nitrite.
  34. Machinability.
  35. Forms of the contact between the work and tool - influence on cutting fluids effect.
  36. Cutting fluids classification.
  37. Vibrations in machining.
  38. Optimization of cutting conditions - the step by step procedure.
  39. The cost per product calculation
  40. Optimum tool life.
  41. Optimum choice of a machine tool., critical production batch.
  42. Broaching - process schema, tool and workpiece geometry produced.
  43. Broaching - broaching machines, tolerances and surface finish.
  44. External thread machining - threading on a lathe.
  45. External thread machining -threading with threading dies.
  46. External thread machining - milling threads.
  47. External thread machining - grinding.
  48. Thread rolling.
  49. Internal thread machining - threading on a lathe.
  50. Internal thread machining - thread taping.
  51. Spur and helical gears cutting - form milling.
  52. Spur and helical gears cutting - hobbing.
  53. Spur and helical gears cutting - shaping.
  54. Spur and helical gears cutting - broaching.
  55. Spur and helical gears finishing - shaving.
  56. Spur and helical gears finishing - grinding.
  57. Spur and helical gears finishing - roll finishing, lapping. Teeth rounding.
  58. Strait bevel gears cutting - form milling, involute-generating milling.
  59. Strait bevel gears cutting - shaping, master form shaping, broaching.
  60. Curved bevel gears cutting - Gleason, Oerlikon, Klingelnberg.
  61. Worm wheels and worms cutting.
  62. Honing.
  63. Superfinishing.
  64. Lapping.
  65. Blasting.
  66. Glazing and polishing.
  67. Automation of machining - fixed automation - principles.
  68. Automation of machining - fixed automation - automatic lathes.
  69. Automation of machining - fixed automation - transfer machines (lines)
  70. Automation of machining - programmable automation - program sequence control.
  71. Automation of machining - NC programmable automation - basic principles of NC.
  72. Automation of machining - NC programmable automation - motions.
  73. Automation of machining - NC programmable automation - manual NC programming.
  74. Automation of machining - NC programmable automation - computer-aided programming
  75. Automation of machining - NC programmable automation - machining centers.
  76. Automation of machining - NC programmable automation – tooling systems.
  77. Process planning - process list.
  78. Non-conventional material removal processes - chemical and electrochemical machining.
  79. Non-conventional material removal processes - electron beam machining.
  80. Non-conventional material removal processes - laser beam and plasma beam machining.
  81. Non-conventional material removal processes - electrodischarge, electroerosive machining.
  82. Non-conventional material removal processes - water jet machining.

Course curriculum

  1. 1. Theory cutting - inception chippings and her classification.
  2. Theory cutting - force, warmth and cutting temperature.
  3. Theory cutting - system SPID, tool abrasion and its sharpening.
  4. Economies of the cutting process - optimum cutting conditions computation, drafting, boundary batch.
  5. CNC machine tools - division, their evolution and evolution of their technological possibilities.
  6. Hand programming - programming of lathe and milling machines, cycles.
  7. Mechanical programming - CAM systems, systems of workshop programming.
  8. Automatization of mass production - types machine and their technological possibilities.
  9. Thread production - used technologies and their technological possibilities.
  10. Production of tooth system - used technologies and their technological possibilities.
  11. Finishing methods - used technologies and their technological possibilities.
  12. Unconventional method - used technologies and their technological possibilities.
  13. Design construction - fundamentals, classification. Assembly - styles, activities at assembly, assembly design.

Training course curriculum

  1. Metrology - metering longitude, calibre, run-out.
  2. Metrology - metering thread and tooth systém.
  3. Machining process planning - procedures and documents.
  4. Theory cutting - metering force and temperature measuring.
  5. Theory cutting - metering tool wear.
  6. Automatization production workpiece - types machine and their technological possibilities.
  7. Hand programming - assemblage NC programme for CNC lathe and for CNC milling machine.
  8. Mechanical programming - CAM systems, make-up of partprograms.
  9. Cutting tools - material, cutting geometry, sharpening.
  10. Economics of the cutting process - calculation boundary dues and opt. cutting conditions.
  11. Consultation of semestral work.
  12. Spec. technology - shaving, finishing cut method, production thread and tooth system.
  13. Unconventional technology - segmentation and their technological possibilities. Assembly - fundamentals of segmentation construction according to assembly, assembly organization.

Terms, enrollment

Přihlášení na zkoušku přes Komponentu studium - KOS
Odhlášení tak jako přihlášení; jinak e-mailem na 12134@fs.cvut.cz

Tasks

  1. Metrology
  2. Theory of cutting
  1. NC programming

Data

Schedule

Literature

  • Mádl, J. - Vrabec, M. - Kafka, J. - Dvořák, R.: Technologie obrábění. Praha: ČVUT, 2007. 252 s. ISBN 978-80-01-03752-2. ()
  • Mádl, J. - Zelenka, A. - Vrabec, M.: Technologičnost konstrukce. 1. vyd. Praha: Vydavatelství ČVUT, 2005. 135 s. ISBN 80-01-03288-4. ()
  • Kafka, J. ; Vrabec, M.: Technologie obrábění. Praha : ČVUT, 2006. 120 s. ISBN 80-01-01355-3. ()

  • http://www.americanmachinist.com
  • Mádl, J. - Technology compendium, Praha, 1996 (available on course)
  • Walker, J.R. - Machining fundamentals, 2004, ISBN 978-1590702499

Recommended literature

  • Kocman K.- Prokop, J.: Technologie obrábění.. CERM BRNO 2001. ()
  • Sova, F. Technologie obrábění a montáže.. ZČU, Plzeň, (skriptum), 1998 ()

  • Shaw, M.C. - Metal cutting prinicples, Oxford publishing, 2004, ISBN 0195142063
  • Trent,E., Wright, P. - Metal cutting, BH, 2000, ISBN 978-0750670692
  • http://www.werkzeug-technik.com


Script editor: Ing. Pavel Novák, Ph.D. (p.novak@fs.cvut.cz)
Generated time: 19.09.2017, 15:35:54