New SAF technology for mass production of 3D printing

Tags: 3D printing | Material | FAS H-Series MCAE Systems | Stratasys

Selective Absorption Fusion (SAF) technology will be the basis of the new Stratasys H-Series 3D printers, which are distributed by MCAE Systems. Stratasys is thus rapidly entering the growing market of 3D printed parts for high-volume production. At the end of March 2021, Stratasys provided the first information on its next line of 3D printers using Selective Absorption Fusion technology.

The basis of the new H-series production platform will be Selective Absorption Fusion technology, specially developed to meet the needs of mass production. Commercial availability of SAF-based 3D printers is expected in Q3 2021.
SAF is a new industrial additive production technology, which ensures the production capacity of finished parts at the level of serial production. This technology is the culmination of more than 10 years of research and development. SAF-based 3D printers can achieve competitive part costs at the industrial level of production with part quality, consistency, and reliability that ensure production requirements and high volume production.
SAF technology uses a counter-rotating roller to apply layers of powder to the printing substrate and squirt an absorbent liquid to mark the layers of the parts. The layers represented are connected by the action of an infrared lamp over the entire width of the printing pad. SAF technology runs these key process steps in the same direction across the bed to ensure consistent temperature – and therefore part consistency – for all printed parts, regardless of their location during printing.

Consistent and efficient powder handling

SAF technology comes with the innovative Big Wave powder management system, which ensures that the required amount of powder is applied to the entire surface of the printing plate, thus maintaining a large layer of thermally stable powder. Any excess powder is recycled quickly, minimizing the heat exposure of the powder and reducing the risk of aging. The result is reduced consumption of fresh powder and lower operating costs.

Liquid for efficient energy absorption and industrial printheads

SAF technology is used to selectively spray High Energy Absorption Fluid (HAF) with high energy absorption onto layers of powdered material in a single pass across the width of the substrate. Industrial piezoelectric printheads atomize one or more drops of liquid and create fine details or large areas without reducing production capacity. This technology supports unique and highly specific functional fluids for processing a wide range of powders. Infrared energy is emitted, which hardens the selected areas and the particles underneath. Precise temperature control prevents distortion, quality defects and reduces the maximum temperatures required in the chamber. This makes SAF technology ideal for mass production.
SAF technology is a major innovation that opens up new application opportunities in sectors such as automotive, consumer goods, electronics and industrial equipment. As a result, this will allow the transfer of many applications from traditional production and will also enable the creation of products that can only be produced by additive production.
According to Stratasys internal market analysis, manufacturing applications have the greatest potential for significant growth in the 3D printing industry, which will reach approximately $25 billion by 2025. Context estimates that revenue from polymer sinter printers are expected to grow 21% annually from 2020 to 2024. With 3D printers based on FDM and Origin P3 technologies, Stratasys is well positioned to serve most manufacturing applications, from tooling to finished parts in a variety of industries.
Stratasys is expanding the H-Series production platform with SAF technology to expand the applications it can serve in a variety of industries. This technology is inherently capable of processing a wide range of materials such as polyamides and elastomers. In addition, Stratasys’ relationships with major chemical companies will help it bring new materials to market quickly.

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