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What is PolyJet 3D Printing?

PolyJet is an advanced additive manufacturing technology that uses inkjet-style print heads to deposit photopolymer droplets layer by layer, which are then cured by UV light. This process enables high-resolution printing with fine details, smooth surfaces, and multi-material and multi-color capabilities. PolyJet is ideal for producing prototypes, detailed models, and functional parts with variable material properties in a single print.

PolyJet Materials

Vero Materials:

Vero is a family of rigid photopolymer materials offering high detail, precision, and a variety of color options. It is ideal for concept models, visual prototypes, and applications requiring smooth, high-resolution prints.

Agilus Shore 30

Agilus Shore 30 is a flexible, rubber-like material designed for applications requiring impact resistance, flexibility, and soft-touch properties. It is suitable for seals, grips, and other functional prototypes.

PolyJet Material Properties Compared

Material

Colour

Max. dimensions

Tensile Stress at break (MPa)

Tensile Modulus (GPa)

Agilus Shore 30

transparent, white, black

460x360x200 mm

2.1-3.1

-

Vero Materials

multicolor

460x360x200 mm

40-55

2.2-3

PolyJet Post-processes and Surface Finishes

Removal of water-soluble supports
Cleaning
Possible transparent coating for aesthetic finish

Pros & Cons of PolyJet 3D Printing

Pros

Exceptional surface quality and fine details

Multi-material and full-color capabilities

Ideal for realistic prototypes and concept models

Smooth surfaces with minimal post-processing

Cons

Higher material costs compared to other 3D printing methods

Limited mechanical strength

UV-sensitive materials may degrade over time

PolyJet capabilities compared with other technologies

Capabilities

Max. Dimensions

Min. Feature Size

Min. wall thickness

Tolerance

Description

SLS

680x380x540 mm

0.8mm

0.7-1.3 mm 

±0.3% (±0.3mm)

Uses a laser to fuse powdered materials layer by layer, ideal for creating durable and complex parts without support structures,  widely employed in aerospace, automotive, and medical industries.

DMLS

500x280x340 mm

0.6-0.8 mm

0.22 mm

±0.25 (≤15mm);
±0.5 (>15mm)

Similar to SLS but uses metal powders, producing high-strength, intricate metal parts suitable for functional prototypes and end-use components in aerospace, medical, and automotive industries.

SLA

1350x750x500 mm

0.2-0.5 mm

1-3 mm

±0.2% (min. 0.2 mm)

Employs a UV laser to cure liquid resin into solid layers, ideal for creating highly detailed, smooth, and intricate parts. Widely used for detailed prototypes and intricate designs in jewelry and dental applications.

MJF

380x284x380 mm

0.5 mm

0.3-0.5 mm

±0.3% (±0.2 mm)

Utilizes multiple jets to apply fusing agents onto powder, which is then fused by heating elements. Delivers high-resolution, functional parts with fast production times, often used in aerospace, automotive, and consumer goods industries.

Polyjet

490x380x200 mm

1.2-2 mm

1 mm

±0.1%

Jetting liquid photopolymer resin and curing it layer by layer with UV light, enabling highly detailed, multi-material parts with diverse properties. Popular in prototyping and complex, color-rich models in medical modeling, consumer goods and electronics fields.

FDM

914x690x914 mm

1.2-1.5 mm

1.5 mm

±0.5% (±0.5 mm)

Uses a heated nozzle to extrude thermoplastic filament layer by layer, ideal for creating durable and functional prototypes. Commonly used in manufacturing, automotive, and consumer products.

DLP

510x280x350 mm

0.5 mm

1 mm

±0.30 mm < 100mm;
±0.3% > 100 mm

Uses a digital light projector to cure liquid resin layer by layer, providing fast and precise prints with high resolution. Commonly used in dental, jewelry, and high-detail prototype applications.

Large Scale

2500x2500x4000 mm

3 mm

-

±5 mm/mtl

Uses a digital light projector to cure liquid resin layer by layer, providing fast and precise prints with high resolution. Commonly used in dental, jewelry, and high-detail prototype applications.

DED

1200x800x600 mm

-

-

-

Uses an electron beam to melt and deposit metal powders or wire, ideal for repairing or adding features to metal parts in aerospace and manufacturing.

Bindet Jet

430x310x150 mm

-

-

±3% mm

Involves depositing a binder material onto a powder bed to form parts, which are then sintered. Useful for producing complex, cost-effective parts, often used automotive, aerospace, and consumer goods industries as well as jewerky.

FAQ about our PolyJet 3D Printing service

What are the mechanical properties of PolyJet 3D printed parts?

PolyJet 3D printed parts offer high-resolution details and smooth surfaces but have lower mechanical strength compared to thermoplastic-based 3D printing technologies. They are best suited for aesthetic and low-stress functional applications.

What are the dimensional tolerances of PolyJet parts?

PolyJet parts typically achieve dimensional tolerances of ±0.1% due to the precision of the inkjet-based process. Smaller and simpler geometries tend to achieve tighter tolerances.

What are the design constraints for PolyJet?

PolyJet provides great design flexibility but has some considerations:
- Minimum Wall Thickness: Typically 1 mm to ensure durability and a proper strength.
- Minimum feature size: Can achieve details as fine as 10.2 mm, making it ideal for intricate designs.
- Surface Finish: : Parts have a smooth surface but may require clear coating or polishing for additional aesthetics.

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