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Introducing Metal 3D Printing for QLS Series SLS Printers

ColdMetalFusion is now available for all QLS series SLS printers. This innovative metal 3D printing process combines high-throughput laser sintering with established powder metallurgy processes to deliver metal components with exceptional performance, repeatability and precision.

Scalable, Economical, and Support Free 3D Metal Sintering

ColdMetalFusion with QLS enables cost-effective serial production of up to 100,000 parts per year. With this process, you can:


Print freely, uninhibited by the constraints of traditional manufacturing or the limitations of direct metal laser melting processes

Rely on uniform processing that takes the guesswork out of secondary binding processes.

Eliminate time-consuming and costly post processing like support removal, heat treatment, and stress relief

Reduce waste and material costs with reusable feedstock and without unnecessary support structures

How Metal 3D Printing with ColdMetalFusion Works

ColdMetalFusion (CMF) is a proven process that’s very similar to metal injection molding but with the added design freedom and fast production typically associated with 3D printing. Utilizing patented metal powder feedstock from Headmade® Materials, this unique feedstock has a thin polymer coating over each metal particle used to bond particles together during the sintering process. Each particle is sintered at a low temperature in Nexa3D’s fast-cycle QLS printers, and once printed, parts go through a validated debinding and sintering process to burnout and remove the polymer, resulting in fully-metal components.


Daily Output

Chemical Debinding

12-Hour Cycle

Sinter Cycle

12-Hour Cycle

Production Parts

Metal 3D Printing Material Options

ColdMetalFusion process uses high-quality feedstock from Headmade Materials®


Titanium (Ti6AL4V)

Known for its high strength and light weight, titanium also offers good corrosion resistance and biocompatibility, making it a great solution for aerospace and medical applications. Titanium alloy Ti6Al4V (Grade 5) is the most commonly used Titanium alloy globally.

Stainless Steel 316L

One of the world’s most loved metals, Stainless Steel 316L is typically used for mechanical components with high demands for corrosion resistance. This material is suitable for operation up to 842 °F (450 °C) and can be easily welded.

Stainless Steel 17-4PH

A stainless and hardenable alloy coupling great mechanical properties and high wear resistance with corrosion resistance. Typically used for industrial applications.

Tool Steel M2

A hardenable, high-speed steel with well-balanced toughness, wear resistance and high hardness. This material is mainly used for abrasive tools, cold work punches, dies, and other cutting applications.

SLS 3D Printers for Metal 3D Printing with ColdMetalFusion

QLS series SLS 3D printers offer the most flexible industrial SLS platform for polymer and metal parts production. Providing ultrafast print speed and a 24-hour cycle time, the QLS 3D printers are the most versatile SLS printers on the market producing both polymer and metal components using the ColdMetalFusion process.


Build Volume: 230 x 230 x 230mm

Laser Power: 30 watt CO2 laser


Build Volume: 230 x 230 x 250mm

Laser Power: 60 watt CO2 laser


Build Volume: 350 x 350 x 400mm

Laser Power: 4 x 100 watt CO2 laser 

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