SLS – Selective Laser Sintering
An industrial 3D printing process for functional prototypes, replacement parts, and small-batch production, where mechanical stability and design freedom are the top priorities.
A technology that does not use lasers
How does the SLS process work?
In selective laser sintering, fine plastic powder is applied layer by layer to a build platform. A laser selectively fuses the powder at the specific locations where the part is to be formed. After each layer, new powder is applied and fused locally once again.
The layer-by-layer build continues until the part is fully fabricated. The surrounding, unfused powder serves as a natural support structure, eliminating the need for additional support structures and enabling the creation of complex geometries.
Features & Benefits
Selective laser sintering is particularly well-suited for cost-effective components.
It combines high mechanical strength with great design flexibility, making it suitable for demanding applications.
Overview of the advantages of the SLS process:
- High mechanical strength: SLS components are sturdy, durable, and suitable for functional applications.
- No support structures required:complex geometries, internal structures, and undercuts can be produced.
- Consistent material properties: uniform properties throughout their entire geometry. This makes them highly reproducible and reliable in use.
- Suitable for individual parts and small production runs: ideal for both individual components and small production runs due to its cost-effectiveness.
Typical applications
SLS is primarily used in applications where components must function in real-world conditions.
Typical SLS applications:
- functional prototypes
- Spare parts and technical components
- Small-batch production of plastic components
- Housings, mounts, and functional parts
Typical SLS materials:
- PA12: affordable, very strong, and has a slightly rough surface.
- PA3200 GF: reinforced with glass fiber elements
- Alumide: For components that exhibit high thermal conductivity
- Dura Form ProX PA: High-strength thermoplastic for use in humid environments
An overview of our SLS materials
good to know
SLS Compared to Other 3D Printing Methods
Compared to FDM, SLS offers significantly higher mechanical strength and greater design freedom. Compared to MJF, SLS is particularly well-suited for individual parts and small production runs, and is frequently used in prototyping and for spare parts.
Top Tips for Design
Is SL the right 3D printing process for your project?
Whether selective laser sintering is suitable for your application depends, among other things, on the part geometry, load conditions, and production volume. We provide technology- and application-specific consulting.
Contact us!
We look forward to hearing from you.
+49 (0) 341 231 837 50 info@rapidobject.com