Rapid Prototyping-The Natural Step Between Design and Production

Prototyping in Your Production Design Process

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Stereolithography

Stereolithography is an additive manufacturing process which utilizes a vat of liquid resin and a laser to build parts a layer at a time to create a 3D part. The laser traces each part on the surface of the resin to solidify it. That piece then drops down into the resin to create another layer (.002" to .006"). A blade then sweeps across the part to insure even distribution of the resin. Again the laser traces the part to solidify the resin and adhere it to the previous layer. The process is repeated until the build is complete; the parts are then cleaned and cured in a uv-oven (PCA). SLA parts are very accurate and have the best surface finish of the common prototyping technologies.

Selective Laser Sintering

Additive manufacturing, or 3D printing, is the process of turning digital designs into three-dimensional objects. It is a convenient and affordable way to make prototypes as well as finished products, making it popular with businesses, hobbyists and inventors.

One of the technologies used by today's 3D printers is called selective laser sintering (SLS). During SLS, tiny particles of plastic, ceramic or glass are fused together by heat from a high-power laser to form a solid, three-dimensional object. http://todd-assoc.com/process/rapid-prototyping