Rapid Prototyping A prototype is the first or original example of something that has or will be copied or developed. It is the model of preliminary version. or An approximation of a product or its components in some form for a definite purpose in its implementation.
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Rapid Prototyping
A prototype is the first or original example of something that has or will be copied or developed. It is the model of preliminary version.
or
An approximation of a product or its components in some form for a definite purpose in its implementation.
Types of Prototypes• The implementation of the prototype: From the entire product itself or its subassemblies and components.
• The form of prototype: from a virtual prototype to a physical prototype.
• The degree of approximation of the prototype from very rough representation to exact replication of the product.
• Experimentation and learning
• Testing and proofing
• Communication and interaction
• Synthesis and integration and
• Scheduling and markets.
Roles of Prototypes
1770 Mechanization1946 First computer1952 First CNC machine tool1960 First commercial laser1961 First commercial robot1963 Fist interactive graphics system1988 First commercial Rapid prototyping system
Historical Developments
Three phases of development
First phase: Manual prototyping
Second phase: Soft or virtual prototyping
Third phase: Rapid prototyping
Fundamentals of Rapid Prototyping
• Input
• Material
• Method
• Application
RP wheel
Advantages of Rapid Prototyping
Direct Benefits
Benefit to Product Designer
Benefit to the Tooling and Manufacturing EngineerIndirect Benefits
Benefit to Marketing
Benefit to the Consumer
Disadvantages of Rapid Prototyping
• The price of machinery and materials are expensive.
• The surface is usually rougher than machined surfaces.
• Some materials are brittle.• The strength of RP-parts are weaker in z-
direction than in other.
Classification of Rapid Prototyping Systems
• Solid based
• Liquid based and
• Powder based system
The classification is done based on the type of material used for Prototyping.
Solid based RP systems
1. Fused Deposition Modeling (FDM) (Stratasys)2. Bench top system (Solids cape)3. Laminated Object Manufacturing (LOM) (Cubic
Technologies)4. Multi-jet Modeling system (MJM) (3D Systems)5. Paper Lamination Tech (PLT)(Kira) 6. CL 100 (CAM-LEM)7. Offset Fabbers (Ennex Corporation)8. Shape Deposition Manufacturing process