Course detail

CNC Technologies of Machining

FSI-9CTOAcad. year: 2024/2025

The course is focused on advanced CNC manufacturing production. Optimal selection and strategy for machining. Cutting tools, wear and machining parameters. Time consumption and integrity of machined surfaces. Technological routes, for Sinumerik 840D/Heidenhain iTNC530 systems. Measurement with measuring and touch probes, tool compensations. Optimization of the process from the point of maximum production rate and minimum costs is solved in graphical and numerical ways. Writting of macros and special parameter subroutines. 

Language of instruction

Czech

Mode of study

Not applicable.

Guarantor

prof. Ing. Miroslav Píška, CSc.

Department

Institute of Manufacturing Technology (ÚST)

Entry knowledge

Successful completion of the course Technology of machining DTB or DTB-A, good knowledge of fundamental methods of CNC machining.

Rules for evaluation and completion of the course

Examination consists of a written and an oral part. The written part focuses on a solution using CNC programming and machine tooling and settings. The oral part tests student´s knowledge of a topic selected randomly from the concerned areas to assess depth of understanding of the studied processes.
Compulsory and checked participations in exercises and labs.According to the studied topic some lessons will be practicals - carried out in the lab, and some will be focused on the theory - calculations carried out in the classroom in a seminar form. 

Aims

A study of modern CNC manufacturing technologies. Advanced programming of the Sinumerik 840D control system. Programming of the Heidenhain TNC310 control system. English terminology. Better job opportunities for graduates.
Students are trained in CNC programming and other aspects of NC machining. They will be able to define technological processes of manufacturing methods and be able to control systems using Sinumerik 840D and Heidenhain TNC 310 in English.

Study aids

https://cnc.fme.vutbr.cz/

Prerequisites and corequisites

Not applicable.

Basic literature

Siemens AG: Návody k programování. Návod k obsluze. 4. vydání, Erlangen, SIEMENS a.s., 2000, 469 s.
Piska, M., Cihlarova, P., Hill, M.: Fundamentals of CNC Machining. http://www.fme.vutbr.cz/opory/pdf/ust/obrCNC/Fundamentals%20of%20CNC%20Machining.pdf
Smid, P.: A Comprehensive Guide to Practical CNC Programming. Industrial Press Inc., Second Ed., 2003,pp. 506, ISBN 0-8311-3158-6  (EN)
Michael Fitzpatrick, Keith Smith: Machining and CNC Technology. ISBN 10 1259827445, ISBN 13 978-1259827440. McGraw-Hill Education. May 2018. 4th Edition. pp. 864 (EN)
KRUTH, J.P., LAUWERS, B., DOTREMONT, J., DEJONGHE, P. Optimised NC-toolpath generation for 5-axis machining of complex surfaces. Machining impossible shapes. Kluwer Academic Publishers, 1999, pp. 343-350, ISBN 0-412-84680-2. (EN)

Recommended literature

Not applicable.

Classification of course in study plans

  • Programme D-STG-P Doctoral 1 year of study, winter semester, recommended course
  • Programme D-STG-K Doctoral 1 year of study, winter semester, recommended course

Type of course unit

 

Lecture

20 hod., optionally

Teacher / Lecturer

prof. Ing. Miroslav Píška, CSc.

Syllabus

1. Technology of NC metal machining.
2. Tool materials for CNC machining.
3. Wear of cutting tools, forms and physical mechanisms.
4. Measurement of tool loading when cutting.
5. Technology of turning. Turning operations a tooling.
6. Technology of drilling. Drilling operations a tooling
7. Technology of milling. Machining operations a tooling.
8. Fundamentals of CNC programming - SINUMERIK 810D.
9. Methods of programme generation. Graphical simulation of a programme.
10. CNC machining cycles. Machining of complex curves and surfaces.
11. CNC work schedule and sequence of cutting operations, tooling and machine set up list.
12. Fundamentals of FV 25CNC/ Hedenhain TNC 310 programming.
13. DNC programming of FV 25CNC/ Hedenhain TNC 310.