|Grade, Semester||Year 3 2nd semest [Department of Mechanical and Precision System, Faculty of Science and Engineering]|
|Category||Basic Major Subjects|
|Elective, Credits||Elective Requisites 2credit|
Main topics are as followings:
・Understanding the structure and functions of the hand winch
・Design planning (include the development of specifications)
・Design of the wire rope
・Design of the winch drum
・Design of the geared-transmission
・Design of the ratchet and wheel
・Design of the band brake
・Design of various shafts and winch handle
*It is desirable that the student has an experience of designing the typical machine elements such as a flange, screw, shaft, coupling and geared-transmission before attendance.
A practice of the mechanical designing with a simple hand winch. The practice includes the design planning, analysis and drawing using CAD systems.
Final grade will be calculated according to following, design reports (50%), drawing assignments (50%). To pass, students must earn at least 60 points out of 100.
|Textbook||手巻きウインチの設計（Design of hand winch, in Japanese）, Third edition|
by 機械設計研究会 (kikai sekkei kyokai)
And other references will be introduced in the class.
This course will be taught in Japanese.
|1||Guidance, Structure and features of the hand winch, Design process, Part design #1: Wire and Drum|
|2||Part design #2: Gear|
|3||Part design #3: Ratchet|
|4||Part design #4: Brake 1|
|5||Part design #5: Brake 2|
|6||Part design #6: Shaft 1|
|7||Part design #7: Shaft 2|
|8||Part design #8: Bearing|
|9||Part design #9: Flame, Check the report|
|10||Drawing #1: Drum, Gear, Ratchet|
|11||Drawing #2: Break|
|12||Drawing #3: Shaft, Bearing|
|13||Drawing #4: Flame, Assembly, Check drawings (#1-#4)|
|14||Design project #1: group discussion and designing|
|15||Design project #2: modeling and check, presentation|