The term Rapid Tooling (RT) is used to describe a process which either uses a Rapid Prototyping (RP) technique as a medium to create a mold quickly or uses the Rapid Prototyping process directly to fabricate a tool for a limited volume of prototypes. RT takes less tooling time and cost than a conventional tool. It can be used to make multiple parts out of alternative materials. The rapid tooling processes include the following:
* Composite Injection
* Kirksite Injection
* Silicone Vacuum Cast
* Zinc and Aluminum Plaster Cast
* Spray Metal Injection
* Sand Cast
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Rapid Prototyping can be defined as the process of constructing physical objects automatically by making use of ’solid freeform fabrication’. The initial techniques regarding prototyping came into being in late 1980s. They were then used for producing prototype parts and models. In today’s world, they are being used for much wider applications. For instance- manufacture of quality parts. This technology is used by certain sculptors for producing complex shapes in order to display them in ‘fine arts exhibitions’.
Origin: Rapid prototyping has taken virtual designs through ‘animation modeling software’ or ‘computer aided design (CAD)’. Thereafter, transformation into virtual, thin, horizontal cross-sections takes place. Each cross-section then gets created in the physical space. This process goes on till the model gets completed. It is better known as WYSIWYG process. Let’s understand this process in detail.
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Rapid prototyping technology or RP refers to the automated construction of prototypes. Usually, the process involves, a computer aided design, which is fed into a machine, which is in turn transformed into a physical, 3D model through an automated mechanical process.
Although the term rapid is relative, the reason why the term is used in this process is because prior to this invention, prototypes were produced longer and with more difficulty. Not to mention that in the past, automated prototyping were limited to certain manufacturing industries. Now with rapid prototyping technology in place, a much wider application of the process is utilized, including the medical industry.
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