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3D Printing with MJF/SLS Technology

SLS (Selective Laser Sintering) uses a laser to fuse powder materials into solid objects, creating functional parts with excellent mechanical properties.

How does it work?

Powder 3D printing technologies MJF (Multi Jet Fusion) and SLS (Selective Laser Sintering) are advanced 3D printing methods that enable the production of parts with high precision and mechanical properties. These technologies are popular for printing parts for end-use applications, where high quality and detail are required.

SLS technology works on the principle of selectively bonding powder material with a laser beam. MJF technology uses a print head similar to an inkjet printer, which applies binders or agents directly to the powder material.

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Advantages

check High strength and mechanical properties

check High precision and detail

check No need for support structures

check Wide range of usable materials

check Low waste material

check Ability to print movable assemblies in one piece

check Parts suitable for outdoor conditions (PA12)

Disadvantages

close Minimum wall thickness of 1mm when casting into resin

close Cannot print closed cavities (e.g., hollow sphere)

close Cannot print in multiple colors (SLS method)

Applications

check Automotive and Industry 4.0

check Production of functional end parts

check Production of spare parts

check Production of packaging materials

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Materials for MJF/SLS printing

Mobile image for TPU

TPU

Thermoplastic polyurethane (TPU) is a very common form of elastic polymer, also known as elastomer, which can be printed on FDM and SLS 3D printers. Of the many types of flexible filaments for 3D printing, TPU is somewhat stiffer, which makes its manufacturing and use easier. Note: Flexibility in FDM printing varies depending on the amount of infill.

Usage / Features

FDM TPU has a hardness range of Shore 80A-95A, making it a medium-strength and highly flexible material. It withstands higher compressive and tensile forces compared to more common materials like PLA and ABS. It excels in elasticity and durability, making it ideal for applications requiring resistance. TPU is also exceptionally resistant to mechanical wear and impact, making it perfect for protective covers, bumpers, and other durable parts.

Advantages

Advantage icon Flexibility

Advantage icon Wear resistance

Advantage icon Impact resistance

Advantage icon Strength

Disadvantages

Disadvantage icon Lower thermal resistance

Disadvantage icon Limitations with complex geometries

Technical Specifications

Tensile strength

26 - 55 MPa

Tensile modulus

9.4 - 26 MPa

Elongation at break

330 - 657%

Flexural modulus

72 - 78.7 MPa

HDT (at 0.45 MPa)

40 - 50°C

Download material datasheet for TPU Download icon

Examples

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