Digital Light Processing (DLP)

UV-sensitive liquid resins are cured by a digital light projector. After processing, the part is cleaned, supports removed and then UV and/or thermal treated when necessary. ***Also known as DLS, CLIP

Digital light processing is an ideal option for projects that require high detail and finish in a variety of production-grade materials.  From flexible silicone to rigid high-temp cyanate ester DLP can make parts with different durometers and characteristics, .  It’s great for small end-use parts, light metal part substitutions, functional, high-detail prototypes, jigs, and fixtures.

Midwest Prototyping digital light processing

Digital Light Processing at Midwest Prototyping

OEM:

Carbon

Max Build Area:

7.4 in. x 4.6 in. x 12.8 in.

Lead Time:

1 – 2 Days

Material:

Cyanate Ester (CE 221), Elastomeric Polyurethane (EPU 40), Epoxy (EPX 82), Elastomeric Polyurethane (FPU 50), Rigid Polyurethane (RPU 70), Silicone (SIL 30), Urethane Methacrylate (UMA 90)

Tolerances:

UMA 90: +/- .005” for the first inch and +/- .002” for each additional inch

2-part engineering materials depend on the geometries.

Layer Thickness:

  • Standard Resolution: .004 in.
  • Fine Resolution: .002 in.
  • Ultra Fine Resolution: .001 in.

Do you have a question about your design or materials that would fit your project? Email one of our Solutions Managers.

Digital Light Processing Hood Rod Clip

Digital Light Processing Materials

Material

Description

Key Characteristics

More Information

CE 221 is a high-performance material with superb strength and rigidity.

  • Amber Colored
  • Biocompatible
  • Rigid
  • High Strength
  • Chemical Resistant

EPU 40 is a high-performance polyurethane elastomer with a high elasticity, resilience, and tear resistance.

  • Black
  • Biocompatible
  • Elastomeric
  • Impact Resistant
  • Chemical Resistant

EPX 82 is a high-strength material with fantastic long-term durability and mechanical properties comparable to lightly glass-filled thermoplastics. 

  • Black
  • High Strength
  • Rigid
  • Heat Resistant
  • UV Stability

FPU 50 is an impact, scratch, and fatigue resistant semi-rigid material.

  • Black
  • Elastomeric
  • Good For Snap Fits
  • Impact Resistant
  • Low Friction

RPU 70 is a material used for  parts requiring strength, toughness, and moderate heat resistance.

  • Black
  • Impact Resistant
  • Good For Snap Fits
  • Rigid
  • High Strength
  • Biocompatible
  • Heat Resistant

SIL 30 is a biocompatible, and tear-resistant silicone urethane elastomer that is ideal for skin-contact applications.

  • Grey
  • Biocompatible
  • Elastomeric
  • Flexible

UMA 90 is a photosensitive polymer that is rigid, abrasion-resistant, and can withstand repetitive movements.

  • Multi-Color
  • Rigid
  • Biocompatible

Compare Materials

Digital Light Processesing Finishing Levels

Level

Process

Description

1

Supports removed and support surfaces lightly sanded

Standard finish, supported surfaces appearing dull. Parts will have visible lines.

2*

Supports removed, support surfaces lightly sanded, and entire part bead blasted

Even surface finish, more consistent matte finish. Parts will have visible layer lines.

2 +*

Supports removed, support surfaces lightly sanded, and cosmetic surfaces sanded to 180 grit and bead blasted

Functional finish, removes some layer lines. Parts have a light texture from sanding.

3*

Supports removed, support surfaces lightly sanded, and cosmetic surfaces sanded to 320 grit

Show quality finish, removes most visible lines. Parts are prime and paint ready.

4*

Supports removed, support surfaces lightly sanded, and wet sanded to 600 grit

Recommended only for plating.

* Elastomeric materials can only be finished to Level 1. For a higher quality finish, these materials may be coated in soft touch.

Digital Light Processing piece died black
Digital Light Processing piece died blue
Digital Light Processing piece died pink

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