Design Guidelines: Selective Laser Sintering (SLS)
Our basic guidelines for selective laser sintering include important design considerations to help improve part manufacturability, enhance cosmetic appearance, and reduce overall production time.
Size
Maximum Dimensions
| PA12 | 19 in. x 19 in. x 17 in. |
|---|---|
| PA11, PA12-GF, PA12-MF | 10.6 in. x 12.6 in. x 16 in. |
| PA12 | 482mm x 482mm x 431mm |
|---|---|
| PA11, PA12-GF, PA12-MF | 269mm x 304mm x 406mm |
Accuracy
| Layer Thickness | 0.004 in. |
|---|---|
| Minimum Feature Size | 0.030 in. |
| Layer Thickness | 0.1016mm |
|---|---|
| Minimum Feature Size | 0.762mm |
For well-designed parts, tolerances of ±0.010 in. (0.25mm) plus ±0.0015 in./in. (0.0015mm/mm) for each additional inch can typically be achieved. Note that tolerances may change depending on part geometry.
Design Essentials for 3D Printing
The 3D Printing Essentials reference guide offers guidelines and key considerations when designing for industrial 3D printing processes.
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3D Printing Surface Finish Guide
Download this quick reference guide that looks at all of your surface finish options across our six additive manufacturing technologies.
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Materials
- PA12 White (PA650)
- PA11 Black (PA850)
- PA12 40% Glass-filled (PA614-GS)
- PA12 Mineral-filled (PA620-MF)
- TPU-70A
Surface Finishes
| STANDARD | Bead blast to remove all powder, which leaves a consistent overall texture. |
|---|---|
| CUSTOM |
Secondary options include a primer or dye color that can be applied as well as taps and inserts. |
Equipment
Our SLS equipment includes sPro140 machines, which have the world’s largest 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 sPro60 machines, which allow for multiple materials and high throughput.
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