Technology of CNC Machining (FSI-HNC-A)

Academic year 2024/2025
Supervisor: prof. Ing. Miroslav Píška, CSc.  
Supervising institute: ÚST all courses guaranted by this institute
Teaching language: English
Aims of the course unit:

A study of modern CNC manufacturing technologies. Programming of the Sinumerik 810D/840D control system. Workshop oriented programming - ShopMill, ShopTurn. Programming of the Heidenhain iTNC530 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 810D/840D and Heidenhain iTNC 530.
Learning outcomes and competences:
 
Prerequisites:

Successful completion of the course Technology of machining DTB or DTB-A.
Course contents:

The course is focused on the fundamentals of CNC manufacturing production. A basic guide is provided giving the grades and use of cutting materials, workability of materials. Optimal selection and strategy for CNC machining or assembling technology. Shop quality evaluation. Basic CNC technologies such as turning, milling and drilling for Sinumerik 840D/Heidenhain iTNC530 are described. Cutting tools and machining parameters. The work with measuring and touch probes, measurement of tool compensations. Time consumption and integrity of machined surfaces. Optimization of the process from the point of maximum production rate and minimum costs is solved in graphical and numerical ways.
Teaching methods and criteria:
 
Assesment methods and criteria linked to learning outcomes:
 
Controlled participation in lessons:
 
Type of course unit:
    Lecture  13 × 3 hrs. optionally                  
    Laboratory exercise  13 × 3 hrs. compulsory                  
Course curriculum:
    Lecture 1. Fundamentals and terminology of NC machining technology.
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/840D. SPY 280, MCV 1210.
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/ Heidenhain iTNC 530 programming.
13. DNC programming of FV 25CNC/ Heidenhain iTNC 530.ShopMill, ShopTurn.
    Laboratory exercise 1. Basic descriptions of cutting machines and facilities.
2. Selection of tool materials for CNC machining.
3. Estimation of cutting conditions. Tool wear.
4. Active measurement of tool loading when cutting.
5. Technology of turning, calculations. Basic turning operations and tooling.
6. Basics of CNC programming - SINUMERIK 810D.
7. Tool management. Tool coding.Data operations. Graphical simulation of a programme.
8. Tests.
9. CNC machining cycles. Contour turning.
10.CNC work schedule. Sequence of cutting operations when machining.
11.-13.Technological and economical analysis of CNC machining operations.
Literature - fundamental:
1. Michael Fitzpatrick, Keith Smith: Machining and CNC Technology.  ISBN 10 1259827445, ISBN 13 978-1259827440. McGraw-Hill Education. May 2018. 4th Edition. pp. 864
2. Piska, M., Cihlarova, P., Hill, M.: Fundamentals of CNC Machining. http://www.fme.vutbr.cz/opory/pdf/ust/obrCNC/Fundamentals%20of%20CNC%20Machining.pdf
3. Piska, M., Cihlarova, P., Hill, M.: Fundamentals of CNC Machining. http://www.fme.vutbr.cz/opory/pdf/ust/obrCNC/Fundamentals%20of%20CNC%20Machining.pdf
4. Evans, K.: Programming of Computer Numerically Machines, Industrial Press Inc. Third Ed. 2007, pp. 458, ISBN 978-0-8311-3316-0.
5. Siemens AG: Návody k programování. Návod k obsluze. 4. vydání, Erlangen, SIEMENS a.s., 2000, 469 s.
6. Smid, P.: A Comprehensive Guide to Practical CNC Programming. Industrial Press Inc., Second Ed., 2003,pp. 506, ISBN 0-8311-3158-6
7. Grote,K.H., Antonsson,E.K : Handbook of Mechanical Engineering. Springer. 2014.Stürtz GmbH, Würzburg.p.1576 ISBN: 978-3-540-49131-6 e-ISBN: 978-3-540-30738-9
8.

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.
Literature - recommended:
1. Sandvik Coromant: Metal Cutting Mechanics
2. Siemens AG: Sinumerik 810 - Fundamentals
3. Schneider, G.: Cutting Tool Applications
4. Grote,K.H., Antonsson,E.K : Handbook of Mechanical Engineering. Springer. 2014.Stürtz GmbH, Würzburg.p.1576 ISBN: 978-3-540-49131-6 e-ISBN: 978-3-540-30738-9
The study programmes with the given course:
Programme Study form Branch Spec. Final classification   Course-unit credits     Obligation     Level     Year     Semester  
N-STG-P full-time study STM Manufacturing Technology and Management in Industry -- Cr,Ex 8 Compulsory 2 1 W
N-STG-P full-time study MTS Modern Technologies of Lighting Systems -- Cr,Ex 8 Compulsory 2 1 W
N-STG-P full-time study STG Manufacturing Technology -- Cr,Ex 8 Compulsory 2 1 W
N-ENG-Z visiting student --- no specialisation -- Cr,Ex 8 Recommended course 2 1 W