SVR Powder sieving systems
Industrial-grade sifters for SLS and MJF 3D printers

Good powder sieving plays a crucial role in optimizing the performance, efficiency, and quality of powder-based polymer 3D printing processes. It ensures uniformity, enhances flowability, reduces defects, and ultimately leads to higher-quality printed parts with consistent mechanical properties.

Our SVR sieving systems, designed and built in Europe with the highest standards in mind, feature industrial-grade hardware, to allow high and consistent throughput rates, without compromise.

They are available in different sizes and configurations, to match the specific needs of our customers:

  • Carbon steel and INOX versions
  • Diameters from 400 mm up to 1200 mm
  • Single or double sieve, for 2 or 3 degrees of separation
  • Nylon 12, 11 and TPU configurations
svr siever

Sieving solution for your specific productivity needs

For light workloads

Eg: Sinterit Lisa,
Formlabs Fuse 1,
Eos Formiga, etc.

sievers size small

For medium workloads

Eg: EOS Formiga,
Farsoon eForm or 252P,
Prodways ProMaker P1000 S/X, etc.

sievers size medium

For heavy workloads

Eg: Eos P396 / P500,
3D Systems sPro 60, SLS 380, SLS 300,
HP MJF5200, etc.

sievers size big

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Good powder sieving is essential for powder-based polymer 3D printers for several reasons:

1: Particle Size Distribution

Powder sieving helps in maintaining a consistent particle size distribution within the printing material. This consistency is crucial for achieving uniform print quality and dimensional accuracy across printed parts.

2: Improved Flowability

Sieving removes agglomerates and foreign particles from the powder, enhancing its flowability. Improved flowability ensures smooth powder deposition during the printing process, reducing the risk of nozzle clogging and enabling more precise layering.

3: Reduced Defects

Sieving helps to eliminate oversized particles that could cause defects in printed parts. By ensuring a uniform particle size distribution, the likelihood of printing defects such as surface roughness, delamination, or poor interlayer adhesion is minimized.

4: Enhanced Surface Finish

Properly sieved powder leads to smoother surface finishes on printed parts. Irregularities in the powder, such as large particles or agglomerates, can cause surface imperfections. Sieving helps to eliminate these irregularities, resulting in high-quality, aesthetically pleasing prints.

5: Consistent Part Properties

Uniform particle size distribution achieved through sieving contributes to consistent mechanical properties in printed parts. This consistency is essential, especially in applications where strength, flexibility, or other mechanical characteristics are critical.

6: Reduced Material Waste

By removing oversized particles and foreign contaminants, sieving helps to ensure that only usable powder is used in the printing process. This reduces material waste and improves the overall efficiency of the 3D printing operation.

7: Optimized Printing Parameters

Sieving enables more precise control over printing parameters such as layer thickness and powder bed density. With a uniform powder distribution, printing parameters can be optimized for better print quality and faster printing speeds.

8: Longer Equipment Lifespan

Removing oversized particles through sieving helps to prevent damage to printing equipment such as nozzles and printheads. By minimizing wear and tear on these components, the lifespan of the equipment is extended, reducing maintenance costs and downtime.