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93. Rapid prototyping and original prototype

We all know most company use the rapid prototyping now, it becomes more and more important. That's why?

The original prototype is always costly, some companies are beginning to use rapid prototyping technologies to manufacture finished parts. Most of these applications are geared to small quantities of parts, because there are still some technical difficulties for RM in reaching the production capacity of injection molding, die-casting, or sheet metal stamping at the time of this publication.

These technical difficulties are: inferior surface finishes to production molded parts; inadequate dimensional accuracy and repeatability; durability and cooling efficiency; small limited part sizes; and the time and expense associated with removing excess resin and performing post curing operations.

These applications are proving that rapid prototyping can be suitable for production in terms of speed, material properties, accuracy, and surface finish. Moreover, rapid prototyping of mechanical CAD designs is well established and will continue to grow. Soon many other applications will follow suit. Indeed, organizations will rely on the technology for sculpture, architecture, mold flow analysis, molecular modeling, forensic analysis for solving crimes, and a variety of uses yet to be conceived.

Thus it can be seen, the rapid prototyping's cost can be reduced they are much faster than the traditional methods.