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The application of infrared heating tubes in 3D printing has improved industry processes and further promoted the rapid development of 3D printing. At present, material extrusion is the most widely used technology in polymer additive manufacturing or 3D printing.

This process is commonly referred to as melt deposition modeling or melt wire manufacturing, and has been mainly used for 3D printing of thermoplastic materials, polymer blends, and composite materials. But this manufacturing process also has its drawbacks, which are that the functional use of these components may be limited by mechanical anisotropy, where the strength of the printed components across continuous layers in the construction direction (z-direction) may be significantly lower than the corresponding in-plane strength (x-y direction). This is mainly due to the poor adhesion between printing layers, and the reason for this result is that the lower layer has a lower temperature than the glass transition temperature before depositing the next layer. The glass transition temperature can be understood as a melting point similar to metals, but for plastics, this is a range. Using infrared heating to increase the surface temperature of the printed layer just before depositing new materials can improve the interlayer strength of the component.

In additive manufacturing, a thin layer of powdered material is distributed on the building platform inside the industrial 3D printer. Usually, the laser beam fuses the contours layer by layer based on pre configured structural data. This makes it possible to manufacture any shape that can be constructed using 3D CAD programs. People's expectations for quality and efficiency are increasing.

Preheating the powder bed using an infrared radiator is a critical step. Thermoplastic polymer powder needs to be preheated before laser sintering.

The infrared lamps provided by Youhui can be precisely customized based on the power, shape, and wavelength of the material, and can be adjusted according to the actual product of the customer to achieve the best product effect.

Infrared heating has the following advantages:

(1) Efficient heat source: More than 85% of the input energy is converted into infrared energy.

(2) High uniformity: areal radiation output ensures balanced surface temperature of the material;

(3) Long lifespan and stable output: By utilizing halogen cycling, our lamp design can last up to 5000 hours with almost no loss of infrared output.

(4) Low energy consumption: reduces energy consumption by about 20% compared to the original equipment.

(5) Flexible production capacity: We support customized design and OEM support specified by customers.