EnvisionTEC, a leading global manufacturer of desktop and full-production 3D printers and materials, is offering a groundbreaking performance enhancement to the Perfactory 3D printer that launched the company 15 years ago and is now in its fourth generation.
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EnvisionTEC is launching its Perfactory 4 powered by custom LEDs at RAPID + TCT. The original Perfactory, a desktop 3D printer model, launched DLP technology and the company 15 years ago. (Photo: Business Wire)
A new custom LED light system will be offered across the company’s popular Perfactory 4 (P4) model lineup. In development for more than a year, the new LED system is more powerful and efficient than other light projector systems on the market. As such, it offers a variety of benefits, such as lower operating costs and crisper black-white contrast between pixels, which means even better final part detail.
EnvisionTEC’s P4 LED Standard XL will be unveiled at RAPID + TCT, the premier event for 3D manufacturing in North America. The company also will be celebrating its 15th anniversary and showcasing other machine and material innovations in booth 1813.
“This new LED system is an example of how we listen to our customers and have worked with them for 15 years to develop better 3D printing solutions,” said CEO Al Siblani. “This change will offer our production 3D printer users much lower operating costs. As an added benefit, the exceptional detail that our machines already produce will get even better because of the improved range of brightness from the LEDs.”
Prior to this product enhancement, the P4 line of 3D printers already offered the highest accuracy and best resolution in the vat photopolymerization market. The P4 LED Standard XL offers a build envelope of 192 x 120 x 180 or 230 mm (7.6 x 4.7 x 7.09 or 9.06 in.) with XY accuracy of 100 µm (0.0039 in.). The P4 LED Mini offers XY resolution as low as 10 µm (0.0004 in) with an adjustable Z resolution ranging from 15 to 150 µm.
With the new custom LED system, the P4 line now comes standard with the most powerful and cost-efficient light source, too. The average cost per hour of the P4’s outgoing ultra-high-performance (UHP) lamp, which uses high-pressure mercury gas to emit light, was $2.90, with an estimated life of 500 hours. By contrast, the new LED system will cost an average of $0.50 per hour, lasting an estimated 10,000 hours.
How the Original Perfactory Advanced 3D Printing
The original Perfactory 3D printer, a desktop model, was the first commercial DLP machine brought to market globally in 2002. DLP represented a major improvement over stereolithography (SLA), which is the earliest form of vat photopolymerization, patented in the mid-1980s.
In SLA, a UV laser beam draws out a cross section of a part in a vat of photopolymer resin, building it one layer at a time, until a final part is produced. One of the drawbacks of SLA is that drawing out parts in this manner is time consuming. In early SLA, the surface finish of parts also showed striations or stair-stepping between layers.
In 1996, a few years after earning his master’s degree in electrical and computer engineering from Wayne State University in Detroit, Al Siblani had a novel idea to use a high-definition theater-style projector system to expose one cross section of material at a time for rapid curing. What’s more, because projectors expose light in pixels, the brightness of each pixel could be controlled individually. That allowed for curing of each pixel to different depths or volumetric pixels, also known as voxels. The ability to control each voxel dramatically improved the accuracy and surface quality of 3D printed parts.
A desktop model, the original Perfactory was created by Siblani and Alexandr Shkolnik, EnvisionTEC’s chief technology officer. Their first working system was completed in 2000, with the launch of DLP, EnvisionTEC and the first Perfactory model in 2002.
DLP was, and still is, regarded as a substantial advancement over common SLA methods of 3D printing. Since then, EnvisionTEC has led the way in numerous 3D printing innovations. Today, the company sells more than 40 models of 3D printers across six technology platforms.
EnvisionTEC is a leading global provider of professional-grade 3D printing solutions. Founded in 2002 with its pioneering commercial DLP printing technology, EnvisionTEC now sells more than 40 printers based on six distinct technologies that build objects from digital design files. The company’s premium 3D printers serve a variety of medical, professional and industrial markets, and are valued for precision, surface quality, functionality and speed. EnvisionTEC’s intellectual property includes more than 100 pending and granted patents and 70 proprietary materials. Learn more at EnvisionTEC.com.
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