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CZECH TECHNICAL UNIVERSITY IN PRAGUE
STUDY PLANS
2019/2020

Programming of metal cutting on CNC machines

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Code Completion Credits Range Language
E341066 Z,ZK 5 2P+3C
Lecturer:
Jan Tomíček
Tutor:
Jan Tomíček
Supervisor:
Department of Machining, Process Planning and Metrology
Synopsis:

Processing mock-up for die tool like models to the form of NC programme for CNC controlled milling machine. Usage of CAM system. Using the benefits of simulation and adjustments according to technological condtitions.

Optimalization of tool paths with reference to cycle time and achieved quality of finished machined surface.

Requirements:

General knowledge about metal cutting, milling technology and milling tools.

Knowledge of modelling in CAD software is advantage.

Syllabus of lectures:

1. Introduction to use of CAM software, automated programming of CNC machines. Basic work in 3D milling.

2. Procedure of 3D milling partprogram workflow.

3. Model import issues and solutions. Model adjustments. Definition of cutting tool and cutting conditions.

4. Boundaries and patterns and their utilization for finishing.

5. Workplanes. Setup of workplanes and their use for machining. Milling in 4D

6. Selection and application of technology.

7. Cutting conditions selection.

8. Simulation and verification.

9. Data output form CAM.

10. Postprocessing and postprocessors.

11. NC code and its adjustments, NC code validation.

12. CAM and its connection in PLM.

13. Modern trends of automated programming.

Syllabus of tutorials:

1. Introduction.

2. 3D milling partprogram setup. Roughing.

3. 3D milling partprogram setup. Semifinishing and finishing.

4. Model import and adjustments. Definiton of cutting tools and cutting conditions enrty.

5. Finishing using boundaries and patterns.

6. Procedure of 4D milling, roughing, finishing.

7. Semestral project - geometries, roughing.

8. Semestral project - semifinishing.

9. Semestral project - finishing.

10. Semestral project - simulation and optimalization.

11. Semestral project - NC program and it simulation.

12. Semestral project - Machining on CNC machine.

13. Assessment.

Study Objective:

The goal of the course is to introduce to the students the advanced method of CNC machines programming.

Study materials:

- Powermill software webpage - http://powermill.com (www.delcam.com)

- Journal of Computational Design and Engineering - http://www.jcde.org

Note:
Further information:
http://u12134.fsid.cvut.cz/?udaj=predmet&id=C41066&lang=ENG
Time-table for winter semester 2019/2020:
Time-table is not available yet
Time-table for summer semester 2019/2020:
Time-table is not available yet
The course is a part of the following study plans:
Data valid to 2020-05-30
For updated information see http://bilakniha.cvut.cz/en/predmet2985406.html