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3D Printing Services

Stereolithography (SLA)

At a glance

Lifecycle

Short production runs, Prototyping

Lead Time

As fast as 3 days

Resolution

0.1 mm

Materials

Accura 25, Accura 60, Accura AMX Rigid black, Accura ClearVue, Accura Xtreme Grey or White 200, Somos Evolve, Somos PerFORM, Somos Waterclear, Somos Watershed

3D Printing Materials

Accura 25

Accura 60

Accura AMX Rigid black

Accura ClearVue

Accura Xtreme Grey or White 200

Somos Evolve

Somos PerFORM

Somos Waterclear

Somos Watershed

Accura 25

Accura 25 is a durable and flexible SLA 3D printing material. It’s ideal for snap-fit part designs, as a master pattern for urethane casting, and conceptual modeling. Accura 25 can be used for functional prototyping or end-use parts and has excellent resolution, dimensional accuracy, and can be primed and painted after printing.
Process:
SLA 3D printing
Colors:
White
Resolution:
0.1 mm
Max Print Size:
635 x 736 x 533 mm

Design Recommendations

Max Part Size [x, y, z]

10 x 10 x 10 inches (380 x 380 x 255 mm)

Gaps for Mating Parts

0.5 mm between parts that need to be assembled

Tolerance

± 0.1mm

Min Wall Thickness

1.0 mm for production, 1.5 mm for consistent measurement or mechanical properties

Min Hole Diameter

0.5mm

Please be aware that any surface in contact with support structures during printing may exhibit small nubs in the final product due to the removal process. To enhance the overall surface smoothness of the part, it is recommended to minimize the presence of extra overhangs, steep slopes, or large flat planes that could necessitate additional structural support.

Cost Saving Tip

To optimize material utilization, consider designing parts with hollow interiors. Ensure to incorporate a drainage aperture of minimum 4mm diameter to facilitate the removal of trapped resin. It's advisable for the surrounding walls to maintain a thickness of at least 2mm to ensure the print's success.

About the Process

Stereolithography, or SLA, is a 3D printing technology renowned for its ability to produce highly intricate and functionally accurate parts. This process involves a programmed mirror directing an ultraviolet laser to draw and cure each cross-section of a part onto a vat of photopolymer resin. After each layer is cured, the build platform descends, and a recoater blade applies a fresh layer of material atop the tank.

Upon completion, the part is extracted from the build chamber, and any support structures and excess resin are removed, typically with isopropyl alcohol. Subsequently, the part undergoes further curing in a UV oven to optimize its physical properties.

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