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week17. Mechanical Design / Machine design#

  • Author :Kai Naito (FabLab Kamakura)
  • Date created : 04/25/2019
  • modified: 05/29/2020
  • modified: 03/22/2021, for 2021 cycle by Jun Kawahara
  • modified: 04/07/2022, for 2022 cycle by Yosuke Tsuchiya

Assignments#

refer to Assessment page - Mechanical Design, Machine design

Mechanical Design (part 1 of 2)#

  • Group assignment
    • Design a machine that includes mechanism + actuation + automation
    • Build the mechanical parts and operate it manually.
    • Document the group project
  • Individual assignment:
    • Document your individual contribution.

Machine Design (part 2 of 2)#

  • Group assignment
    • Actuate and automate your machine.
    • Document the group project
  • Individual assignment:
    • Document your individual contribution.

Learning outcomes#

  • Work and communicate effectively in a team and independently
  • Design, plan and build a system
  • Analyse and solve technical problems
  • Recognise opportunities for improvements in the design

Have you?#

  • Documented the machine building process to the group page
  • Documented your individual contribution to this project on your own website
  • Linked to the group page from your individual page as well as from group page to your individual pages
  • Shown how your team planned and executed the project (Group page)
  • Described problems and how the team solved them (Group page)
  • Listed future development opportunities for this project (Group page)
  • Included your design files (Group page)
  • Optionally included an aprox. 1 min video (1920x1080 HTML5 MP4) + slide (1920x1080 PNG) (Group page)

schedule#

  • Apr 7 - 8
    • second thoughts after class?
    • feasibility tests
      • heat-activate invisible ink
        • how much heat (temperature)
        • how much time it needs
        • able to activate a heatbed?
    • draw (plausible) system diagram
    • board
    • sketch
    • software
    • design a machine
    • build machine that includes mechanism + actuation + automation
    • prepare for presentation(aprox. 1 min) in class review on Apr 07.
  • Apr 14-15
    • optional
    • save it for your final project

previous works#

CoreXY Circuit Plotter (2018)#

design files#

BOM#

# parts name quantity vendor note
1 Linear bush /リニアブッシュ ストレート形 5 MONOTARO
2 Hex bolt M5 x 35 /六角穴付ボルト(ステンレス) 半ねじ 8 MONOTARO
3 Hex nut M5 /六角ナット1種(ステンレス) 16 MONOTARO
4 Round washer 5.5x12x0.8 /丸ワッシャー 特寸(ステンレス) 16 MONOTARO
5 Spring washer M5/スプリングワッシャー(ステンレス) 8 MONOTARO
6 Shaft (SUJ2) /Cシャフト SN(中実軸・軸受鋼) 4 MONOTARO
7 GT2タイミングベルト 5m x 6mm 1 Amazon
8 GT2プーリー 10 Amazon
9 イモネジ （プーリー付属） 4 Amazon
10 ステッピングモーター SM-42BYG011-25 2 Lab inventory
11 サーボモーター SG92R 1 Lab inventory
12 Arduino UNO 1 Lab inventory
13 モータードライバー A4988 2 Lab inventory
14 スイッチング電源 12V 5A S-60-12 1 Lab inventory
15 抵抗 10kΩ 6 Lab inventory
16 ブレッドボード 1 Lab inventory
17 ジャンパーワイヤー Lab inventory
18 USBケーブル 1 Lab inventory

Spreadsheet

Brush Painting CoreXY Machine (2019)#

Group Documentation

Individual Documentation

Video:

Machine Ochestra in a Distance Society (2020)#

Individual Docnmentation

Video:

Fruity Secret Messenger (2021)#

Individual Documentations

Video:

Coming week#

  • Mar 31: break
    • lab will be open on Apr 3, Saturday.
  • Apr 05: recitation: sustainability, materials, agriculture

references#