On-Demand Custom SLA 3D Printing Services

For your SLA 3D printing needs, from prototype verification to small-batch production, we are committed to providing excellent services, leveraging our advanced equipment, a rich library of engineering-grade resin materials, and an experienced technical team.

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What is SLA 3D Printing?

SLA (Stereolithography) is an additive manufacturing technology that uses ultraviolet (UV) light to cure liquid photosensitive resin layer by layer, building precise solid objects. This process is known as photopolymerization. SLA 3D printing is renowned for its excellent detail and smooth surface finish, making it ideal for producing high-precision prototypes and parts with complex geometries.

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SLA 3D Printing Capabilities

Actual dimensions and tolerances may vary greatly depending on the resin material used, and part geometry. If the functions of specific services are different, you may need to specify the functions of those services, and our technical experts will evaluate your drawings to provide you with the optimal solution for your product.

Parameter Typical Specification / Value
Maximum Build Volume (Industrial) Up to 500 mm x 500 mm x 400 mm (L x W x H)
Layer Height 0.025 mm to 0.1 mm (25 to 100 microns)
Dimensional Accuracy Typically ±0.1 mm for the first 25mm, then ±0.2% of the part dimension. Or, ±0.1 mm to ±0.15 mm for dimensions under 100mm, and ±0.15% for dimensions over 100mm.
Minimum Feature Size Approximately 0.2 mm to 0.4 mm
Minimum Wall Thickness Recommended 0.4 mm to 0.6 mm for self-supporting walls.
Surface Finish (Ra) Typically 1-5 µm (microns) after standard post-processing.

Our SLA 3D Printing Materials

Choose from a variety of high-quality resins to suit your specific application needs. Each material offers unique properties and benefits for your 3D printed parts.

Standard Resin

Key Properties: High detail, smooth surface finish, good stiffness.

Typical Applications: General prototyping, concept models, visual aids, jewelry masters.

Tough & Durable Resin

Key Properties: High impact strength, good elongation, resistant to breakage.

Typical Applications: Functional prototypes, snap fits, living hinges, parts requiring repeated stress.

Flexible Resin

Key Properties: Elastic, pliable, can withstand bending and compression.

Typical Applications: Seals, gaskets, wearables, prototypes with flexible features.

High-Temperature Resin

Key Properties: High thermal stability, can withstand elevated temperatures.

Typical Applications: Molds for injection molding (low volume), tooling, fixtures for high-temperature environments.

Clear Resin

Key Properties: Transparent or translucent, smooth surface finish, can be polished for higher clarity.

Typical Applications: Lenses, light pipes, fluidics, aesthetic prototypes.

Castable Resin

Key Properties: Designed for investment casting, leaves minimal ash after burnout.

Typical Applications: Jewelry casting patterns, dental restorations casting.

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Advantages and Disadvantages of SLA 3D Printing

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Advantages

SLA achieves very fine details and smooth surfaces, ideal for models requiring high fidelity and a clean finish.

A wide variety of photopolymer resins is available, offering specific properties like transparency, high toughness, heat resistance, or biocompatibility for professional applications.

SLA excels at producing intricate or complex internal structures in a single piece, overcoming many traditional manufacturing constraints.

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Drawbacks

Resins are generally more expensive than FDM filaments, and the printers often require more careful maintenance.

After printing, models require washing (to remove excess resin) and post-curing (to enhance strength), making the workflow more involved.

Many standard resins can become brittle or degrade with prolonged UV exposure, and may not match the mechanical strength and durability of engineering plastics.

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