00045:DIY [Toy] Product Design
MeCARnic
By_Saurav Biswas & Saurabh Mhatre
Instructor_Dimitris Papanikolaou T.A_Omar Davis
IniLal Design Ideas Designing the gearbox with the rear wheels embedded within so as to facilitate flexibility of design opLons
Increasing the relaLve size of the transmission gear to allow tapping of external(addiLonal) mechanism.
ZECAR by Chico Bicalho
ZECAR Gear ConfiguraLon
Proposed Prototype
Minimal/FuncLonal Chassis Design
Body
Gearbox
Design Goals
• • • •
Purely Structural /FuncLon based Chassis AestheLc Purely Based on Materiality FuncLon is the AestheLc Explore Flexure Joints
Main Challenges
•
FricLon Fit Joinery
• •
CreaLng a Bearing for the wheels to rotate freely Interdependencies • LaserCu[er 1. Wa[age_100W/120W 2. Power 3. Speed 4. Laser Bed Inconsistencies • 1.
Material_Acrylic Thickness_1/8th_3/16”
• 1. 2.
Material_MetalRods Bearing Change in Dimension acer cudng
LaserBeam Width Test # 1
LaserBeam Width Test # 2
•
Gear Teeth Vs Gear Sizes
•
Gear Sizes Vs Assembly Stability
IniLal Model_Prototype A
IniLal VisualizaLons_PrototypeB
PrototypeA Â
PrototypeB Â
PrototypeB Â
PrototypeB Â
PrototypeA Â
PrototypeB Â
Details Â
Assembly: VerLcally Stacking (~ 25 Min)