Understanding Layer Resolution in SLS Printing

Layer resolution is a critical parameter in SLS 3D printing that directly impacts part quality, surface finish, and production speed.

What is Layer Resolution?

Layer resolution, or layer height, refers to the thickness of each powder layer that the laser sinters. In SLS, typical layer heights range from 0.1mm to 0.15mm.

Impact on Part Quality

Surface Finish

Finer layers (0.1mm) produce smoother surfaces with less visible layering, especially on curved or angled surfaces. This reduces post-processing requirements for applications where surface quality is critical.

Detail Resolution

Smaller layer heights capture finer details in the Z-axis, important for parts with small features, text, or intricate geometries.

Build Time Considerations

Speed vs Quality Trade-off

Thicker layers (0.15mm) reduce total layers and build time by up to 30%, important for large parts or high-volume production where surface finish is less critical.

Optimal Layer Selection

Choose 0.1mm layers for prototypes requiring excellent finish and detail. Select 0.15mm for production parts where speed matters more than surface perfection.

Material-Specific Factors

PA12 Characteristics

PA12 works well across the full range of layer heights, maintaining consistent properties from 0.1mm to 0.15mm with excellent surface finish even at thicker layers.

PA11 Considerations

PA11's higher flexibility benefits from slightly thicker layers (0.12-0.15mm) for optimal mechanical properties while maintaining good surface quality.

Conclusion

Layer resolution is a powerful tool for balancing quality, speed, and cost in SLS printing. SinterX's precision motion control delivers consistent results across all layer heights.