31st March 2021
Representing the culmination of more than 10 years of research and development, 3D printers using SAF technology can deliver a competitive cost per part at production level throughput and with the part quality, consistency, and reliability that ensures satisfaction and high production yield.
The technology uses a counter-rotating roller to coat powder layers onto a print bed and prints an IR-sensitive absorber fluid to image the part layers. The imaged layers are fused by passing an IR lamp over the entire span of the print bed. SAF technology executes these key process steps in the same direction across the print bed to provide a uniform thermal experience – and therefore part consistency – for all printed parts regardless of their placement in the build.
Consistent and Efficient Powder Management
SAF technology’s innovative Big Wave™powder management system ensures the necessary powder is always distributed across the whole print bed, maintaining a large, thermally stable wave of powder. Any overflow powder is quickly recirculated, minimising powder thermal exposure and reducing powder aging. The result is less fresh powder required and lower operational costs.
Efficient Energy Absorption Fluid with Industrial Print Heads
SAF technology is used to selectively jet high energy-absorption HAF™ fluid onto areas of a layer of powder-form material in just one full-width pass. Industrial piezo-electric print heads jet single or multiple drops of the fluid to produce either fine detail or large areas, without compromising throughput. The technology supports unique, high-specialty, functional fluids to process a broad range of powders. Infrared energy is radiated to fuse the selected areas and the underlying particles. Tight thermal control avoids warping, quality fall-out, and reduces peak temperatures required in the bed, making SAF technology ideal for production.
“3D printing is increasingly transforming production in industries around the world as companies seek to move with more agility and efficiency, which is why we have put production parts at the heart of our business strategy,” said Omer Krieger, Stratasys’ executive vice president of product strategy and corporate development. “SAF technology represents a significant innovation that opens up new opportunities to address applications in industries such as automotive, consumer goods and electronics, and industrial equipment. As a result, we will enable a shift of many applications from traditional manufacturing and also enable the creation of products that can only be produced additively.”
Stratasys is developing the SAF-powered H Series Production Platform to expand the applications it can serve across multiple industries. The technology is inherently able to process a wide variety of materials, such as polyamides and elastomers, and Stratasys’ relationships with leading chemical companies will help it bring new materials to market quickly.
To learn more visit our page on SAF technology here.