Vat Photopolymerization 3D Printing

3D Printing Service

Vat Photopolymerization Service

3Diligent's vat photopolymerization service is capable of delivering highly accurate Stereolithography (SLA) and Digital Light Processing (DLP) parts with injection-molding caliber surface finishes to you rapidly and at great prices.

Vat Photopolymerization Process Overview

Vat photopolymerization builds models by selectively curing layers of photosensitive polymer resin with a light source. Layer by layer, the cured part either descends into or ascends from the vat of photosensitive liquid resin, which becomes solid when exposed to high-energy light. Parts built in this process are highly accurate and ship quickly but tend to be more expensive and prone to becoming increasingly brittle over time.

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3Diligent has supported hundreds of companies in providing digital-manufacturing solutions for their most challenging project needs.

If you're interested in experiencing the power of our digital-manufacturing solutions firsthand, submit an RFQ through our secure portal or send an email detailing a few of the specifics of your project and we'll be in touch.

Vat Photopolymerization at a Glance

Branded Processes Also Known As
Stereolithography (SL, SLA)
Digital Light Processing (DLP)
Selectively Spin, Scan, and Photocure (3SP)
Continuous Light Interface Process (CLIP)
Digital Light Synthesis (DLS)
  • Standard Tolerance
    .004" (0.100mm)
  • Stock Surface Finish
    40-400 µin Ra
  • Lead Time
    2 – 5 Business Days
  • Maximum Size
     36"×36"×36" TBD
  • Minimum Layer Thickness
    .001" (.025mm)
  • Minimum Feature Size
    0.004" (0.1mm)
  • Minimum Wall Thickness
    0.04" (1mm)
Advantages
High Detail Accuracy. 0.004" typical tolerance.
Smooth Stock Finish. High-detail accuracy allows for surface finish down to 40 µin Ra with little to no post-processing.
Intricate Geometry. High accuracy allows for complex structures that are impossible with traditional manufacturing.
Short Lead Times. SLA parts will typically ship in 2 – 5 business days.
Material Selection. Choose from over 30 different materials with a range of properties.
Limitations
Support Structures. Downward-facing surfaces and stalactites can require support structures, which increase bid amounts and turnaround time.
Low Durability. Photopolymers weaken over time, especially when exposed to sunlight.
Hollow Cavities. Internal hollow cavities need to be perforated to drain unused material.
Example Machines
3D Systems ProJet 6000 HD
3D Systems Viper Si2
Envisiontec Micro EDU
Envisiontec Perfactory III SXGA+
Envisiontec Vida
Futur3D 3Dwarf Precision
RapidShape C30
Z-Rapid SLA500
Example Materials
ABS Flex Series
Accura CastPro Free (SL 7800)
B9R-1 Black
Clear Guide
E-Denstone Tough
EnvisionTEC R5 Gray (ABS)
E-Shell 200 Series
Formlabs Black and Formlabs Clear

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