SLM Solutions NA Inc. (Wixom, MI) gives manufacturers the opportunity to deploy selective laser melting (SLM) to make prototypes as well as large-volume production runs of 3D-printed parts.
Ideal for medium-to-high-volume production and prototypes, the next-generation SLM 280 2.0 features an improved laser beam profile and can be equipped with two 700W fiber lasers. SLM Build Processor and open software architecture enable users to run standard builds or optimize parameters.
Coupled with the PSV powder-handling system, the build process is a closed loop. High-efficiency filter system extends filter life with two main filters in parallel operation and a fine particle filter to further remove soot. The filter housing unit is reusable and can be set up with recyclable filter cartridges that reduce operational costs.
As an open system, the SLM 280 2.0 allows use of materials from any supplier. Operating parameters are easily tested and developed, simplifying the task of material development. A build volume reduction option allows users to minimize powder usage, especially important for research and development applications. Quality assurance modules are available to monitor builds and aid in process transparency and documentation.
Build envelope: 11 by 11 by 14 inches (280 x 280 x 365 mm).
The NXG XII 600 is designed for high-volume production and large parts, opening applications in the automotive and aerospace industries. Featuring 12 1 KW lasers, it’s 20 times faster than a single-laser machine.
A new optic system, the most compact on the market, enables large overlap and is based on a tailor-made laser scanning system to best fit the build area. All 12 optics provide spot size definition via a double lens system called zoom function. Users can choose between different spot sizes in the focal plane, which lowers cost per part by boosting buildup rates to over 1,000 cc/h.
The machine also includes time-saving features such as an automatic build cylinder exchange, automatic build start, external preheating station, and external depowder station. It’s available with gravity- and vacuum-based powder-handling options to minimize downtime between each build job.
Build envelope: 23.6 by 23.6 by 23.6 inches (600 x 600 x 600 mm).
Both machines achieve homogeneous part properties via updated inert gas circulation that removes soot from the build chamber to optimize laser power and increase precision. Both also reduce build time via bidirectional recoating, which deposits a new layer of powder in both directions without returning to a “home” position.
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