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Prototypes and Plastic molding Before one begins the manufacturing phase, prototypes are useful in realizing its potential use in the marketplace. To begin, the prototype can perform important tasks such as how it may function, and its form. It can also be an important sales and marketing tool as well as present an idea or concept. A prototype can be the original, full-scale working model of a new product, or it can be a new version of an existing product. So whether it is comprised of many pieces or few, creating a mold and help save money in the long term, as move one moves from prototype to production. One may begin with handmade prototypes, either hand-carved or plastic prototypes. These are inexpensive to manufacture and help provide information to the inventor, manufacturer or marketing person. With a computers ability to create 3D imagery, a Virtual Prototype (3D CAD model or solid) can be a visual aid. And, with furthering of technology and simulations, this technology will only become more sophisticated over time. But, it still may not be enough. So now we may consider a machine prototype or Cast Urethane parts. By creating a RTV mold out of silicone rubber, liquid urethane can be poured into the cavity. This may be an excellent option for creating a sample, or when fewer parts are needed. Going back thousands of years, the art of the lost wax process that may connect to antiquities and art have a connection here as well. The wax impression is obtained, either from injection into a rubber mold, or is custom-made in wax. While this process is more relevant to artisans, the concept still holds up over time. The prototyping process with one company at the helm can help assure its success, expediting the prototype to production phase. One may consider short-run injection molding, or bridge tooling, spanning from market entry to the permanent multiple-cavity to keep budgets in check.
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