Design and Drawing 2
TeachersONO, TakenoriStaffInfo
Grade, SemesterYear 3 2nd semest [Department of Mechanical and Precision System, Faculty of Science and Engineering]
CategoryBasic Major Subjects
Elective, CreditsElective Requisites 2credit
 Syllabus Number1G303

Course Description

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.

Course Objectives

A practice of the mechanical designing with a simple hand winch. The practice includes the design planning, analysis and drawing using CAD systems.

Grading Policy

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 and Reference

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)
OHM sha

And other references will be introduced in the class.


This course will be taught in Japanese.



1Guidance, Structure and features of the hand winch, Design process, Part design #1: Wire and Drum
2Part design #2: Gear
3Part design #3: Ratchet
4Part design #4: Brake 1
5Part design #5: Brake 2
6Part design #6: Shaft 1
7Part design #7: Shaft 2
8Part design #8: Bearing
9Part design #9: Flame, Check the report
10Drawing #1: Drum, Gear, Ratchet
11Drawing #2: Break
12Drawing #3: Shaft, Bearing
13Drawing #4: Flame, Assembly, Check drawings (#1-#4)
14Design project #1: group discussion and designing
15Design project #2: modeling and check, presentation