DIY_ToyDesign

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)