The SLM®280 Selective Laser Melting machine provides a 280 x 280 x 365 mm process chamber. This third-generation system focuses on increased robustness and consistent performance including multi-beam laser technology optimized for production. Achieve greater component quality for complex, delicate, yet fast part builds. SLM®280 systems regularly achieve 80% higher build rates than competitive offerings; accomplished by proper laser configuration and SLM Solutions’ bi-directional powder recoating.
During the build process up to two chamber lasers, the optimum amount for mid-range machines, expose the build field via a 3D scan optic. Multi-laser systems can achieve build rates 80% faster than single laser machines. SLM®280 Production Series available laser configurations:
- Single (1x 400 W or 1x 700 W),
- Dual (1x 700 W and 1x 1000 W)
- Twin (2x 400 W or 2x 700 W)
The patented bi-directional powder recoating decreases manufacturing time further by reducing the number of passes required to lay fresh powder during a build.
The optimized inert gasflow efficiently removes soot from the build chamber, ensuring excellent process conditions. Flowing through a sintered chamber wall, the enhanced gas flow creates constant conditions at the work surface as well as protecting the beam entry glass from contamination to not hinder the lasers. The efficient inert gas circulation not only creates a clean process environment, but also reduces gas consumption, an important operating cost.
As an open system, The SLM 280 allows the 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 process minimize powder usage, especially for research and development applications. Quality assurance modules are available on single and multi-laser systems to monitor builds and aid in process transparency and documentation.
PSV Powder Supply Unit
The PSV features a 90-liter tank sufficient for any production process and eliminates the need to fill powder via individual powder bottles. An integrated ultrasonic sieve processes the powder just before feeding it to the machine, ensuring no oversized particles or foreign objects find their way into the SLM® process. The transport of powder between the PSV and the SLM® machine is fully automatic and carried out via vacuum technology.
The PSV uses three independent routes to convey powder. In addition to supplying freshly sieved metal powder to the SLM® machine, a second route returns the excess powder from the overflows back to the sieve. The third conveying route uses a manual suction device in the process chamber to remove the excess metal powder after a build and conveys it directly back to the PSV. Powder transport, sieving and storage is contained within a closed-loop, inert gas atmosphere. Moreover, the powder is transported via steel pipes to ensure uncontaminated powder quality. Contactless powder handling ensures maximum operator safety.
Permanent Filter Module
The SLM®280 Production Series is equipped with a safe Permanent Filter Module. This solution not only maintains a clean process chamber, but increases filter life, eliminates the need for complicated filter cartridge changing and decreases the long term cost of ownership by eliminating the need to purchase replaceable filters. The Permanent Filter Module results in consistent process conditions that ensure optimal build quality.
- Faster processing with twin-laser configurations
- Patented bi-directional powder re-coating
- Multiple laser solutions with 400W, 700W or 1000W
- Permanent Filter
- Safe, closed-loop powder handling
- Open system architecture for materials and parameters
- Upgraded process control
- Optimized gas flow and recirculation
|Build Envelope Volume (x/y/z)||280 x 280 x 365 mm
11 x 11 x 14 in
(reduced by substrate plate thickness)
|IPG Fiber Laser Power||Single: 400W or 700W
Twin: 2x 400W or 2x 700W
|Build Rate||88 ccm/h 400W Twin|
|Layer Thickness||20 – 90 μm|
|Min. Feature Size||150 μm|
|Beam Focus Diameter||80 – 115 μm|
|Scan Speed||10 m/s|
|Inert Gas Consumption in Operation||Ar/N₂, 3.0 L/min|
|Inert Gas Consumption Purging||Ar/N₂, 200 L/min|
|E-Connection / Consumption||400 Volt 3NPE, 63 A, 50/60 Hz, 3.5-5.5 KW|
|Compressed Air Requirement||ISO 8573-1:2010 [1:4:1], 60 l/min @ 6 bar|
|Dimensions in mm (L x W x H)||2900 x 4150 x 2500 mm|
|Weight||1700 kg without powder
2600 kg with powder