Precision Machining

ONO, Takenori
  Elective Requisites  2 credits
【Mechanical and Precision System・2nd semester】
19-1-0184-3845

1.
Outline
Main topics are as follows:
・Definition and significance of the precision machining
・Classification of the precision machining
・Principle of the cutting process
・Typical precision cutting methods(Lathe, Milling, Drilling, etc.)
・Principle of the abrasive process
・Typical precision abrasive processes(Grinding, Polishing, ELID, etc.)
・Machine tools and their elements
・Micro machining and Ultra precision machining
・Environmental issues and measures
・Recent topics about the precision machining
etc.

*It is required that students have knowledge about typical material properties and fundamentals of the mechanics of materials, before lesson starts.
2.
Objectives
An introduction of the principle of the precision cutting and abrasive processes. Topics include machine equipments, measurement systems, environmental issues and recent progresses of this field.
3.
Grading Policy
Final grade will be calculated according to following, presentation of the group discussion (50%) and final examination (50%). To pass, students must earn at least 60 points out of 100.

4.
Textbook and Reference
精密工作法 (Precision Machining, in Japanese), First volume
S. TANAKA, H. TSUWA, N. IGAWA
Kyoritsu shuppan

Other references will be introduced in the class.
5.
Requirements (Assignments)
English information will be announced on LMS (*internal use).
And the detail will be introduced in the class.
6.
Note
This course will be taught in Japanese.
7.
Schedule
1. Guidance, Purpose,classification and ability of the precision machining
2. Principal of the cutting process, Chip flow mechanism
3. Cutting force
4. Cutting temperature, Mechanism of the surface generation
5. Cutting tools and their wear
6. Vibration in the cutting process, Lubrication
7. Structure and elements of the machine tool
8. Machine tools for normal or precision cuttings
9. Abrasives, Grinding stones
10. Gringing force and temperature
11. Wear on the grinding stone and surface finish of the material
12. Polishing, and typical abrasive or grinding processes and their machine tools
13. Group work #1: Group discussion
14. Group work #2: Presentation
15. Summarize, Final test
1.
Outline
Main topics are as follows:
・Definition and significance of the precision machining
・Classification of the precision machining
・Principle of the cutting process
・Typical precision cutting methods(Lathe, Milling, Drilling, etc.)
・Principle of the abrasive process
・Typical precision abrasive processes(Grinding, Polishing, ELID, etc.)
・Machine tools and their elements
・Micro machining and Ultra precision machining
・Environmental issues and measures
・Recent topics about the precision machining
etc.

*It is required that students have knowledge about typical material properties and fundamentals of the mechanics of materials, before lesson starts.
2.
Objectives
An introduction of the principle of the precision cutting and abrasive processes. Topics include machine equipments, measurement systems, environmental issues and recent progresses of this field.
3.
Grading Policy
Final grade will be calculated according to following, presentation of the group discussion (50%) and final examination (50%). To pass, students must earn at least 60 points out of 100.

4.
Textbook and Reference
精密工作法 (Precision Machining, in Japanese), First volume
S. TANAKA, H. TSUWA, N. IGAWA
Kyoritsu shuppan

Other references will be introduced in the class.
5.
Requirements (Assignments)
English information will be announced on LMS (*internal use).
And the detail will be introduced in the class.
6.
Note
This course will be taught in Japanese.
7.
Schedule
1. Guidance, Purpose,classification and ability of the precision machining
2. Principal of the cutting process, Chip flow mechanism
3. Cutting force
4. Cutting temperature, Mechanism of the surface generation
5. Cutting tools and their wear
6. Vibration in the cutting process, Lubrication
7. Structure and elements of the machine tool
8. Machine tools for normal or precision cuttings
9. Abrasives, Grinding stones
10. Gringing force and temperature
11. Wear on the grinding stone and surface finish of the material
12. Polishing, and typical abrasive or grinding processes and their machine tools
13. Group work #1: Group discussion
14. Group work #2: Presentation
15. Summarize, Final test