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Rapid Prototyping (What are the different types of RP Machines (3D Printer…
Rapid Prototyping
Why is Rapid Prototyping a disruptive technology?
Economies of Scale
3D Printing manufacturing holds units costs constant
3D Printed product relies on initial design
Complex products can be manufacture anywhere
More competition from small firms
Decentralized local production
Spare Parts
Manufactures and Appliance
Aerospace business
Exchange pile of spare parts for 3D printers to create those parts on demand
New Industry
Fashion, 3D Printed dressed
Transportation, 3D printed cars
Construction, 3D Printed office building
Democatrise, decentralise and localise production among individuals and small companies
What are the different types of RP Machines
3D Printer
Fused Deposition Modelling
Laminated Object Manufacturing
Stereo Lithography
Selective Laser Sintering
What is Rapid Prototyping
Definition
Rapid prototyping is a group of
techniques
used to quickly fabricate a scale model of a physical part or assembly using a 3D CAD data.
Techniques
CNC Machines
Prototyping models and production of end-use parts
Disadvantages:
Expensive to make the tooling needed to make the prototype
Takes weeks to create the prototype parts
Advantages:
Material of choice
Better to use if creating thousands of parts, thus invest in creating the mold
Injection Molding Systems
Prototyping models and production of end-use parts
Disadvantages:
Expensive to make the tooling needed to make the prototype
Takes weeks to create the prototype parts
Advantages:
Material of choice
Better to use if creating thousands of parts, thus invest in creating the mold
3D Printing/Additive Manufacturing Systems
Disadvantages
Not the materials of choice
Not as cost efficient when printing thousands
Advantages
Build parts in hours or days
Is a cheaper alternative if printing a few hundred
To prototype quickly
How has Rapid Prototyping evolved? / The application
Evolution
1986, Chuck Hull
Patented the first prototyping technology named Stereolithography (SLA)
1989, Scott Crump
Patented Fused Deposition Modelling (FDM)
1989, Carl Deckard
Patented Selective Laser Sintering (SLS)
1981, Hideo Kodama
Developed an idea to make parts by adding layer with solidified plastic, use Photopolymer
1991, Startasys
Produced the first FDM Machine
2000, Z Corp
The first multicolor 3D printer was made
2009, Makerbot
Produced a Reprap evolved kit for a wider audience
4 Phases of Change
Rapid Prototyping
Rapid Tooling
Digital Manufacturing
Home Fabrication
Applications of Rapid Prototyping
Product Design
Rapid Prototyping continue to make model and product development
Prototype can be made faster
Advancement in new plastic material can be used as final product
The prototype can be used as a proof of concept
Visualisation
Learning
Communication
Production Planning
Making Prosthetics
3D Printing + 3D Scanning to make prostethic hand'leg that is personalised
Medical Field
Printing of bone, organ model through CT scan to prepare for an operation
Can be used for implant directly
Dental Industry
To make braces
To make surgical guide
Education
Serve visual aids to illustrate a hard to grasp concept
Rapid Tooling
Making product mold in a quick way
Mold is made of rubber or silicon
Not used for mass production as the mold will wear out
Art (Sculpting)
Sculpting in computer model make its possible to print it out
Fashion
to print clothes, hat, eye wear, hair accessories, jewelry and shoes