Advantages Of Stereolithography For Rapid Prototyping
Though comparatively older among the methodologies used to derive rapid prototypes, stereolithography is extremely popular. The reason is that many manufacturers believe that this is the RP methodology that gives you the greatest extent of accuracy. It is also believed to provide the best of the surface finishes among all the techniques of rapid prototyping used by the designers.
In addition, the methodology has evolved to a large extent adding variety and flexibility to the traditional process over the years. A host of materials have been added in the rank of existing usable materials. Now the materials used can mimic the most complex engineering tools and parts. Though similar advancement has not been achieved in the field of biomedical and similar other applications, you now have the color variations though within a limited range.
Currently the designers are trying to develop stereolithography using ceramic materials. However, the best part of the technology is that it allows you to easily prototype large sized objects. This is something that may not be possible with various other technologies available.
Using the SLA white technology you can make large parts at a very reasonable price. On the other hand the SLS technology allows you to make small and large parts made of durable nylon materials. Of course the critics may point out that working using the liquid materials could turn out to be a messy affair and may require some post curing operations. However, the disadvantages are negligible considering the big advantages you derive using the rapid prototyping technology.