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HP Multi Jet Fusion technology

HP Multi Jet Fusion technology is an innovative 3D printing method that allows rapid and accurate manufacturing of durable parts with excellent surface finish.

It is experiencing rapid global expansion and increasingly preferred by businesses as a substitute for injection moulding.

Advantages of the technology

Why is Multi Jet Fusion chosen by numerous companies?

Industrial durability

The resistance properties of MJF-printed components are comparable to those manufactured through injection moulding.
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Consistent dimensions

Printed parts exhibit a precision of +/-0.3 mm for sizes up to 100 mm and +/-0.3% for sizes exceeding 100 mm.

Enhanced productivity

HP's devices enable the production of up to 1,200 unique parts per day, with delivery to customers within 3 days of ordering.

Complex
designs

Multi Jet Fusion eliminates the need for supports, allowing for the creation of parts with diverse geometric configurations.

Cost-effectiveness

3D printing facilitates low-volume production without incurring additional expenses associated with new injection moulds.

Versatile applications

Utilizing PA12 material, MJF-printed parts are suitable for various environments, including water or contact with the skin.

Smooth surface

Prints possess a slightly textured yet pleasing tactile finish, which can be further refined if desired.

A global leader

Multi Jet Fusion is the fastest-growing additive technology worldwide, endorsed by numerous industrial enterprises.

Multi Jet Fusion's operating principle

See how HP technology works

By utilising polymer powder and an exceptional printing technique, Multi Jet Fusion enables us to attain micron-level precision and reduce production time by a factor of ten compared to conventional methods.

From the idea to the final product in just 3 days

7 steps to 3D printing:

Workspace setup

Prepare a designated area measuring 380 x 280 x 230 mm to arrange the 3D models of the desired printed parts.

Commence 3D printing

The printing process, lasting approximately 11 hours, involves the application of consecutive layers of 80 µm-thick powder.

Ink application

Black ink is applied to the powder surface, marking the areas where subsequent powder sintering will occur.

Sintering

Using a UV lamp, the powder on the surfaces covered with black ink undergoes sintering, enabling the gradual buildup of layers up to a height of 380 mm.

Cooling

Upon completion of the printing process, the parts require a cooling period lasting from 12 to 36 hours, depending on their geometric complexity.

Cleaning

The hardened parts are thoroughly vacuumed and cleansed of any excess powder residue.

Sandblasting

The final step involves sandblasting to eliminate any remaining powder from the printed parts. Optionally, additional post-processing such as grinding, painting, or assembly may be carried out.

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Considering implementing 3D printing in your company? Learn about the possibilities and benefits.

Opiekun Klienta, Cubic Inch​ - druk 3d
Magdalena Pietrasińska

Sales Enginneer

Applications

Examples of 3D printing applications:

Witness the utilisation of 3D printing by diverse factories and companies in the production of novel devices and even prostheses.

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Formatting part for rotating corks on the production line for Avon

Tool for Enhancing Car Body Painting Process

Parking Sensor Housings

Coffee Machine Filter Cleaning Device for QuinSpin

Spare Parts for Production Lines for Colgate Palmolive Manufacturing 

Custom Climbing Grip for Red Bull

See more

Technical
specification

Multi Jet Fusion

Standard lead time

3-5 days

Dimensional accuracy

+/-0.3mm ≤ 100mm
+/-0.3% >100mm

Layer thickness

80 microns

Minimum wall thickness

1 mm

Maximum build dimensions

380 x 284 x 380 mm

The material used in printing

Poliamid PA12

This robust thermoplastic material offers exceptional dimensional precision, making it well-suited for a wide range of industries, including machinery and medical sectors. PA12 exhibits excellent chemical resistance to oils, greases, aliphatic hydrocarbons, and bases. Moreover, it meets the necessary standards for skin contact, adhering to the requirements of REACH, RoHS, and PAH regulations.

Part density

1.01 g/cm3

standard ASTM D792

Tensile strength - XY

48 MPa/6960 psi

standard ASTM D638

Tensile strength - Z

48 MPa/6960 psi

standard ASTM D638

Tensile modulus - XY

1700 MPa/245 ksi

standard ASTM D638

Tensile modulus - Z

1800 MPa/260 ksi

standard ASTM D638

Elongation at break - XY

20%

standard ASTM D638

Elongation at break - Z

15%

standard ASTM D638

Heat deflection temperature 1
Heat deflection temperature 2

175°C
95°C

standard ASTM D648
@ 0.45 MPa
@ 1.82 MPa

The range of finish options

See how your parts can be finished

Sanding with graphite

Sanding without graphite

Polyshot surfacing

Vapor fusing

Barwienie zanurzeniowe 3
Barwienie zanurzeniowe 2
Barwienie zanurzeniowe 1

Dyeing

element wytworzony techniką druku 3d

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FAQ

Our experts provide insights and answers to common questions regarding HP's Multi Jet Fusion (MJF) technology, recognized as the fastest-growing additive manufacturing method globally.

What is the difference between HP MJF and SLS technology?
These technologies differ in the process of fusing successive layers. In MJF, we use ink and UV light, while in SLS technology, fusion is achieved through a laser beam. This makes the MJF process more efficient, and parts do not absorb water.
Do HP MJF parts absorb water?
No, the surface of MJF parts is sealed, preventing water absorption, making them suitable for use in contact with water.
Can the parts be dyed to any RAL color of your choice?
Yes, we can paint the parts in any RAL color of your choice; however, this significantly increases the lead time and cost of the project.
How durable are the parts compared to injection-molded polyamide parts?
The durability of 3D-printed parts using polyamide materials can vary but generally falls slightly below that of injection-molded polyamide parts due to differences in manufacturing processes.

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