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3d printing SLS: selective laser sintering

Slelective Laser Sintering (SLS) technology has one of the largest production potentials. Support structures are not required in the SLS process, which is a big advantage of this technology. The SLS system we use has a unique solution: open parameters, thanks to which we can optimize the technological parameters, adapting them to your application.

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What are the benefits of SLS?

Benefit #1

Cost-effective production of high-quality parts without the use of expensive conventional forming tools

Benefit #2

Durable engineering materials

Benefit #3

High dimensional accuracy and reliability of the SLS process

Benefit #4

Advanced finishing

Materials

In SLS technology, we use advanced, engineering thermoplastic materials, characterized by excellent mechanical properties. Professional SLS systems with all technological facilities allow obtaining high-quality 3D printed parts in line with the customer’s requirements.
PA12
Other names: PA2200 (trade name), Polyamide 12, Nylon 12, the most versatile material in our offer, provides high strength and stiffness. The material can be further treated, e.g. varnished, metallised, sanded, glued, etc. More information in Post-Processing.
  • Durable engineering material
  • Biocompatibility according to EN ISO 10993-1 & USP/level VI/121 °C
  • Food Safe certificate in accordance with European Directive 2002/72/EC (excluding alcoholic products)
  • High chemical resistance
  • The possibility of using advanced post-processing - more information in postprocessing
Contact Your Specialist
Non-Flammable PA 12

Other names: PA2241FR (trade name). PA12 polyamide-based material with additives ensuring non-flammability of the material. The material is most commonly used in aviation and railways and wherever non-flammability is required.

  • Fire resistance class: CS 25 / JAR25 / FAR 25 § 25-853 (a) App. F Part I, ABD 0031
  • Good mechanical properties
  • High chemical resistance
Contact Your Specialist

PA 11
Other names: PA1100 (trade name) – Polyamide 11, a material more flexible than PA12 with greater elongation at break, good impact strength. Ideal for the manufacture of e.g. joints, living hinges, "working" structures. The material is widely used in the medical industry, especially in the orthopaedic and prosthetic market (O&P). Produced from castor oil, PA11 can also be considered an eco-friendly material.
  • High impact strength
  • Eco
  • More flexibility compared to PA12
  • Cytotoxicity certificate according to DIN EN ISO 10993-5
Contact Your Specialist
PrimeCast
Other names: PrimeCast 1010 (trade name), polystyrene. Polystyrene-based material. Used to produce complex models lost for metal alloy foundry, especially in rapid casting processes based on investment casting. The properties of the material allow almost 100% of the model to be removed from the mold during the casting process (no ash residue). The material is perfectly suitable for use in the manufacture of short and medium series in the foundry. Thanks to this material, it is possible to produce the finished metal alloy casting within 5 working days.
  • Low density
  • Low melting point
  • Relatively easy process of removing the lost model from the foundry mold
  • Reduced amount of ashes during burn out process
Contact Your Specialist

Costs and Lead Time

Costs and Lead Time

  • Part volume (space in the machine working chamber)
  • Material used
  • Production series size
  • Occurrence of complex spaces in terms of cleaning them from unseaed powder
  • Choosing express execution options
  • Applied postprocessing

Want to optimize costs?

Contact Your Specialist

Want to optimize costs?

SLS Design Principles

With SLS, we recommend that you follow these rules:

Minimum hole diameter 1.5 mm

Minimum wall thickness 1 mm

The minimum clearance for moving parts is 0.2 mm

Positioning pins should be at least 2 mm thick/medium

The dimensional tolerance in SLS is +/- 0.3 % of the dimension measured at the lower limit +/- 0.3 mm

In SLS it is not recommended to use massive cross-sections (above 4 mm). Of course, we produce massive walls (above 4 mm), but we take an individual approach to this

In confined spaces (if unseasted powder needs to be removed), use technical holes to evacuate the powder

Not sure about your design?

Check with the CAD Design Team

Not sure about your design?

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