What are the characteristics of the materials of 3D printing technology LOM process?

Polymer materials mainly include engineering plastics, bioplastics, thermosetting plastics and photosensitive resins. Engineering plastics refer to industrial plastics used as industrial parts or shell materials. They are plastics with excellent strength, impact resistance, heat resistance, hardness and aging resistance, and are widely used as 3D printing materials. Bioplastics mainly include PLA, PETG, PHB and so on, which have good biodegradability.

Thermosetting resin has the characteristics of high strength and fire resistance, which is very suitable for 3D printing powder laser sintering process. Photosensitive resin has fast curing speed, excellent drying performance and smooth appearance after molding, which is the choice of many high-precision printing products. Lom3D printing is a layered molding technology, also known as layered entity manufacturing. This function makes LOM equipment an ideal choice for conceptual modeling and functional testing components of product design. In addition, due to the wood characteristics of the parts, it is especially suitable for directly making sand casting molds.

Lamination molding technology is one of the most mature rapid prototyping manufacturing technologies in the world at present, mainly using plates (such as paper, plastic film or composite materials) as raw materials. Because more paper is used as raw material, the whole manufacturing cost is very low and the workpiece precision is very high. At the same time, some improved LOM 3D printers can print the color equivalent to two-dimensional printing, so they have attracted extensive attention from all walks of life, especially in product concept design visualization, modeling design evaluation, assembly inspection, rapid mold making and direct mold making.

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