Design Guidelines: Selective Laser Sintering
Our basic guidelines for selective laser sintering include important design considerations to help improve part manufacturability, enhance cosmetic appearance, and reduce overall production time.
We offer a number of secondary services to further enhance your 3D-printed project design or finish. These services are available when ordering a part manufactured by Protolabs.
Size
Maximum Dimensions
| PA 12 White | 676mm x 367mm x 564mm |
|---|---|
| PA 11 Black* | 269mm x 320mm x 406mm |
| PA 12 40% Glass Filled | 269mm x 320mm x 406mm |
| PP Natural* | 269mm x 320mm x 406mm |
| PA 12 Carbon Filled | 490mm x 490mm x 740mm |
| TPU-88A Black | 330mm x 280mm x 440mm |
*PA 11 Black and PP Natural - Suggested maximum dimensions: 200mm x 200mm x 200mm (higher dimensions may increase warping and dimensional inaccuracy risk)
Design Feedback
For additional questions, please contact an applications engineer at
[email protected] or +44 (0) 1952 683047.
Accuracy
| Layer Thickness | 0.1mm |
|---|---|
| Minimum Feature Size | 0.75mm* / 1.00mm** |
*PA 12 White, PA 11 Black
** PA 12 40% Glass Filled, PP Natural, PA 12 Carbon Filled, TPU-88A
Typically, expected tolerances on well-designed parts are +/-0.2mm, plus +0.002mm/mm
*For TPU-88A Black, tolerance of ± 0.3mm plus ± 0.002mm/mm can be expected (for parts bigger than 100 mm in this material, tolerance will be ± 0.3% of nominal dimension)
Materials
Surface Finishes
| STANDARD | Bead blast to remove all powder, which leaves a consistent overall texture. |
|---|---|
| CUSTOM |
Available Secondary options:
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Equipment
Our SLS equipment includes sPro140 machines, which have a large sintering build volume, and feature fully digital high-speed scanning systems, unparalleled process consistency, and closed systems for powder blending and delivery for reliable part quality. We also use SPro 60 machines, which allow for multiple materials and high throughput.
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