3D printing is an additive manufacturing process that allows us to create three-dimensional physical objects from a digital model. It is also known as additive manufacturing because the objects are built by adding material one layer at a time, unlike other traditional manufacturing methods such as CNC machining, where material is removed from a block to achieve the desired piece.
The 3D printing process starts with the creation of a digital model in a Computer-Aided Design (CAD) program or the scanning of an existing object. This digital model is in layers, allowing the 3D printer to build the object layer by layer.
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Metal 3D printing is a technology that allows the creation of metal objects by melting or depositing metal material in successive layers. It offers advantages in terms of complex geometry and customization and is used in various industries to manufacture metal parts and components, including aerospace, automotive, among others.
Stereolithography is a 3D printing technology that uses light processing of liquid resins to build objects layer by layer. It provides high precision and detail resolution and is used in various industries for prototyping, modeling, and high-quality end products. It is one of the oldest and widely used methods in 3D printing.
SLS is an additive manufacturing technology that uses lasers to selectively combine materials powders to create three-dimensional objects. The materials used in SLS are typically thermoplastic powders such as nylon, polypropylene, or polystyrene. Selective laser sintering offers several advantages, such as the ability to print objects with complex shapes and small details. Moreover, the use of thermoplastic powder allows the production of durable and functional parts. Additionally, SLS does not require the use of supports since the non-adhesive powder acts as the support for the printed parts.
PolyJet technology is a 3D printing method that uses the deposition of photopolymerizable liquid resin to create objects in multiple layers. It provides simultaneous printing of multiple materials and colors. The liquid resin allows the reproduction of fine features and smooth surfaces, making it a highly sought-after technology for prototypes that require high visual quality and detail.
This additive manufacturing method uses a powder fusion process to 3D print objects. Some of the advantages of this technology are the high printing speeds it can offer, the ability to print in various thermoplastic materials, and the capacity to produce parts with fine details and variable properties. It is widely used in various industries for functional prototyping and high-volume production.