| Course Unit Code | 346-0501/01 |
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| Number of ECTS Credits Allocated | 6 ECTS credits |
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| Type of Course Unit * | Compulsory |
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| Level of Course Unit * | Second Cycle |
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| Year of Study * | First Year |
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| Semester when the Course Unit is delivered | Winter Semester |
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| Mode of Delivery | Face-to-face |
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| Language of Instruction | Czech |
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| Prerequisites and Co-Requisites | There are no prerequisites or co-requisites for this course unit |
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| Name of Lecturer(s) | Personal ID | Name |
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| BRY50 | prof. Dr. Ing. Josef Brychta |
| KRA49 | Ing. Jiří Kratochvíl, Ph.D. |
| Summary |
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The theory includes an analysis of cutting mechanism study the formation of chips
dynamic cutting process and the associated stability assessment of cutting
process. This subject includes the bases of integreated machining, too. |
| Learning Outcomes of the Course Unit |
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Students will be familiarized with the theory of machining.
This subject includes an analysis study of chip forming, of power ratios, of
cutting process stability, of thermal effects, of the wear edge of tools, of
durability, tool life of materials, and of the optimisation of cutting
process. |
| Course Contents |
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The program of lectures
Week lectures
A process of cutting and technological system.
2 Basic characteristics of chip formation mechanism.
3 power and cutting work.
4 The stability of the cutting process.
5 Warm temperatures and cutting.
6 blade cutting tool wear.
7 durability and tool life.
8 parameters of the cutting process and cutting geometry. Stress and strain states.
Optimization of cutting conditions
9 Optimizing Performance-
electric machine, the size of torque.
Optimization of cutting conditions
10 Optimization of strength
machine tools and in terms of proper chip formation. Optimizer
accuracy and quality surface finish.
Optimization of cutting conditions, 11 - 3 Optimization under Machining
rustiness and used cutting environment. Areas of admissible solutions with high
cutting conditions. The procedure for determining optimal cutting conditions.
Optimization of cutting conditions, 12 - 4 Calculation of optimum tool life
výrobnosti in terms of maximum and minimum cost.
13 Adaptive optimization.
14 Reliability and diagnosis of technological systems of machines -
workpiece - tool.
The program exercises and individual work of students
Week of lesson content
1 Introductory exercises. Organizational matters.
2 Calculation of parameters for the emerging chip.
3 Calculation of the characteristics of root chips
4 Mathematical solutions for turning power relationships.
5 Calculations of force and torque during milling.
6 Calculations of forces and torque during drilling. K o n t r o l n s a problem
7 Calculation of cutting conditions according to various criteria.
8 Calculation of the optimum tool life in terms of maximum výrobnosti.
9 Calculation of the optimum tool life in terms of minimum cost.
10 S SEMESTER PROJECT - cutting the selected components.
11 works on the semester project.
12 Work on the semester project. K o n t r o n i t l e s t 2
13 Completion and submission of term project.
Assessment Exercise in 1914 and writing credits. |
| Recommended or Required Reading |
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| Required Reading: |
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[1] KALPAKJIAN, Serope. Manufacturing Engineering and Technology. Third
Edition. Addison – Wesley Publishing Company, Reading, Massachusetts, 1995,
1239 p. ISBN 0-201-84552-0.
[2] SANDVIK Coromant, Technical Editorial Deartment. Modern Metal Cutting – A
Practical Handbook. Tofrers Tryckery AB, Sweden, 1994, 927 p. ISBN 91-972290-0-
3.
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BRYCHTA, Josef; ČEP, Robert; NESLUŠAN, Miroslav; TUREK, Stanislav; TABAČEK, Marián. Experimentálne metódy v trieskovom obrábaní. Žilina : EDIS Žilina, 2007. 343 s. ISBN 978–80–8070–711–8.
BRYCHTA, Josef; ČEP, Robert; SADÍLEK, Marek; PETŘKOVSKÁ, Lenka; NOVÁKOVÁ, Jana. Nové směry v progresivním obrábění. Ostrava: VŠB – TU Ostrava, 2007 Dostupné na http://www.elearn.vsb.cz/archivcd/FS/NSPO. ISBN 978-80-248-1505-3.
BRYCHTA, Josef; ČEP, Robert; NOVÁKOVÁ, Jana; PETŘKOVSKÁ, Lenka. Technologie II - 1. díl. Ostrava: VŠB - TU Ostrava, 2007. ISBN 978-80-248-1641-8.
BRYCHTA, Josef; ČEP, Robert; NOVÁKOVÁ, Jana; PETŘKOVSKÁ, Lenka. Technologie II - 2. díl. Ostrava: VŠB - TU Ostrava, 2008. ISBN 978-80-248-1822-1.
BRYCHTA, Josef; ČEP, Robert; NOVÁKOVÁ, Jana; PETŘKOVSKÁ, Lenka. Návody do praktických cvičení z Technologie II. Ostrava : VŠB-TU Ostrava, 2009. ISBN 978-80-248-2147-4. 88 s.
|
| Recommended Reading: |
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[1] SHAW, Milton C. Metal Cutting Principles. Oxford, Clarendon Press, 1984.
|
[1] MÁDL, Jan. Teorie obrábění. Praha, ČVUT PRAHA,1989.
[2] SHAW, Milton C. Metal Cutting Principles. Oxford, Clarendon Press, 1984.
[3] VASILKO, Karol. Nové materiály a technologie ich spracovania. Bratislava,
ALFA 1990 |
| Planned learning activities and teaching methods |
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| Lectures, Individual consultations, Tutorials, Experimental work in labs, Project work |
| Assesment methods and criteria |
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| Task Title | Task Type | Maximum Number of Points
(Act. for Subtasks) | Minimum Number of Points for Task Passing |
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| Exercises evaluation and Examination | Credit and Examination | 100 (100) | 51 |
| Exercises evaluation | Credit | 35 (35) | 0 |
| Written exam | Written test | 10 | 0 |
| Test II | Written test | 10 | 0 |
| Project | Project | 10 | 0 |
| Other task type | Other task type | 5 | 0 |
| Examination | Examination | 65 (65) | 0 |
| Written examination | Written examination | 15 | 0 |
| Oral | Oral examination | 50 | 0 |