EOS introduced its EOS P 500 system for additive manufacturing (AM) at formnext 2017. The system addresses companies who want to mass produce polymer parts on an industrial scale in combination with premium part quality.
The new system comes automation ready and can process polymer materials, which require operating temperatures of up to 300°C. For the development of a first high performance polymer, EOS recently signed a joint development agreement with Arkema. With the EOS P 500 businesses receive smart and robust technology to foster a reliable, flexible and cost-effective production.
The EOS P 500 builds twice as quickly as the current fastest laser sintering machine (EOS P 396) thanks to a dual-laser system fusing the powder, and a new recoater. The latter applies a new layer of powder to the building platform with high speed (600 mm/s) and maximum adjustability. Also, the material flow has been optimized. In contrast to previous systems, the EOS P 500 preheats polymer material in advance, before it is applied on the build platform, reducing layer times. The system can also reuse all recycled powder for the next build job at higher fill rates, further increasing the efficiency of the system.
The steps before and after the actual build process are streamlined: Pre-heating of the exchangeable frame and cool-down of the used exchangeable frame (containing the manufactured part) take place outside of the EOS P 500. Additionally, switching between the exchangeable frames is fast–within 15 minutes after a build job is completed, a new manufacturing process can be started. In combination with rarely needed cleaning (typically 1x per week) and maintenance (typically 1x per year), the total cycle times of the EOS P 500 are improved by up to 75% compared to the EOS P 396.
The EOSAME feature homogenizes the energy input of the laser, for quality and reproducible part properties and dimensional accuracy across the complete build volume.
The EOS P 500 comes alongside several solutions for monitoring and integration. The system offers industrial quality assurance through sensory, as well as camera based (optical and thermal), data evaluation, for example stating residual oxygen levels or the temperature of the build chamber. In conjunction with EOSCONNECT software, machine and production data can be gathered and made available in real-time. EOS also offers an intuitive app to visualize the data on a dashboard.
The EOS P 500 is supported by the intuitive, open and productive CAM tool EOSPRINT 2 – a software that already successfully supports a large number of EOS metal systems. The software enables engineers to assign and to optimize build parameters for their CAD data.
This industrial grade connectivity before, during and after the AM build process is key to embed the EOS P 500 into an automated manufacturing environment and the first step towards automatized polymer production chains.
Users can process materials up to 300°C with the EOS P 500 – making it possible to manufacture polymer material classes such as PA6, PBT, PET, PPS, PEKK and others. A three stage filter-unit – consisting of a cooling trap, fines filter and reactive coal filter – counters material outgassing and particle contamination, contributing to a high quality of the AM build process.
The first high performance polymer available for the EOS P 500 will be PEKK, a material known for its high thermal stability, inherent flame retardancy and high chemical resistance, that makes it a lightweight alternative to metal. The goal is to release a high performance material at a competitive cost-per-part, enabling industrial applications not feasible until now. EOS recently signed a joint development agreement with Arkema, a leading global manufacturer in specialty chemicals and advanced materials, to develop an EOS material based on the KEPSTAN® PEKK product line of Arkema. As the EOS system is an open platform, other companies can develop materials for the EOS P 500 too. Today, EOS also cooperates with Evonik and BASF for developing future polymer materials.
Filed Under: 3D printing • additive manufacturing • stereolithography, Vision • machine vision • cameras + lenses • frame grabbers • optical filters