Optimization of Machining Process

Lecturer:

Tutor:

Supervisor:

Department of Machining, Process Planning and Metrology

Synopsis:

Economy of machining, machining costs. Importance of the optimisation of machining (cutting) processes. Trends in the development of cutting tools. Cutting tools optimisation. Variants in the optimisation of cutting conditions and tools life, single path optimisation, more complicated optimisations. Criteria for optimisations, restrictive conditions and their mathematical formulations. Possible solution regions. Step by step procedure for the optimisation of machining processes. Complex optimisation procedures. Optimum tool life. Optimisation SW. Stochastics of machining processes. Optimisation data. Optimisation with monitoring and adaptive control of machining processes.

Requirements:

(nothing)

Syllabus of lectures:

1. Economy of machining, machining costs. Importance of the optimisation of machining (cutting) processes. The use of computers.

2. Trends in the development of cutting tools. Cutting tools optimisation.

3. Variants in the optimisation of cutting conditions and tools life, single path optimisation.

4. More complicated optimisations.

5. Criteria for optimisations and their mathematical formulations - criterion of minimum machining costs.

6. Criteria for optimisations and their mathematical formulations - criterion of maximum productivity and maximum material reduction.

7. Restrictive conditions and their mathematical formulations.

8. Restrictive conditions and their mathematical formulations - continuation.

9. Possible solution regions.

10. Optimum tool life. Step by step procedure for the optimisation of machining processes.

11. Complex optimisation procedures.

12. Optimisation data. Optimisation SW.

13. Stochastics of machining processes. Optimisation with monitoring and adaptive control of machining processes.

Syllabus of tutorials:

1. Calculation of cutting power and number of revolutions in high speed cutting with advanced cutting tools.

2. Restrictive conditions formulations.

3. Optimum cutting conditions calculation in variants.

4. Optimum cutting conditions calculation in variants.

5. Machining costs calculation.

6. Algorithmisations of optimisation procedures.

7. Experimental determination of empirical equation among cutting force, dept of cut and feed in turning.

8. Experimental determination of empirical equation among cutting force, dept of cut and feed in turning.

9. Experimental determination of empirical equation between torque and feed in drilling.

10. Chip formation, chip braking diagram determination.

11. Simple Taylor´s equation determination.

12. Tools wear measurement, complex Taylor´s equation determination.

13. Tools wear measurement, complex Taylor´s equation determination.

Study Objective:

To know principles of the optimisation of cutting conditions and tool lifes from the point of view of minimum costs.

Study materials:

- Mádl, J., Kvasnička, I.: Optimalizace obráběcího procesu, ČVUT monografie, 1999, Praha

Note:

Further information:

http://u12134.fsid.cvut.cz/?udaj=predmet&id=C41034

No time-table has been prepared for this course

The course is a part of the following study plans: