1, fused deposition molding (FDM) fused deposition molding (FDM)3D printing technology
Fused Deposition Molding (FDM) is an additive manufacturing technology, and it is a positioning model built by layered software mathematics. Thermoplastic fibers are extruded through a heating layer. Suitable for durable components of complex geometric buildings of almost any shape and size, FDM is the only material used in 3D printing process, such as ABS, polycarbonate, pc-iso and ULTEM 9085. This means that FDM can produce excellent thermal stability and chemical resistance, and has a good strength-to-weight ratio. If necessary, a supporting structure can be generated. This machine technology can use a variety of materials to achieve different goals: for example, one material can be used to build a model, another soluble support structure can be used, and the same model can use the same type of thermoplastic multicolor.
Usually, the small desktop 3D printer we see is also the technical principle of FDM, but it is just another name, Fuse Manufacturing (FFF).
FDM provides a variety of durable thermoplastics, and its unique characteristics make it an ideal choice for many industries.
2. Stereolithography rapid prototyping 3D printing technology;
Sla photo-curing rapid prototyping is an additive manufacturing process, which is carried out in a vat of photopolymer resin by ultraviolet (UV) laser. With the help of computer-aided manufacturing and computer-aided design software (CAD/CAM), the pre-programmed design or photoreduction surface is drawn on the shape by using ultraviolet laser. Because photopolymer is sensitive to ultraviolet radiation, the resin is cured to form the desired 3D object. Repeat this process for each layer of the design until the 3D object is completed.
3. Selective laser sintering (SlS) Selective laser sintering 3D printing technology;
SLS selective laser sintering SLS rapid prototyping technology can manufacture tough and complex geometric parts. Layers are made by melting or sintering powder thermoplastic additives with high-power CO2 laser, and SLS involves high-power laser (for example, CO2 laser) to melt small particles of plastic or metal powder into balls with ideal three-dimensional shapes. The laser selectively generates powder materials on the surface of the powder bed by scanning a three-dimensional digital description of the cross section (for example, from a computer-aided design file or scanning data). In each cross-sectional scan, the powder bed consists of a layer with reduced thickness and a layer with new material applied, and the process is repeated until it is partially completed.
A key advantage of SLS is that as a part, it is wrapped in powder. This eliminates the need for supporting structures and allows for complex geometries. The parts produced by SLS have good strength, water tightness, air tightness and heat resistance, and special materials such as PA 12 series filled with aluminum and glass fiber can be added.
4. Direct metal laser sintering (DMLS) Direct metal laser sintering 3D printing technology;
Direct metal laser sintering (DMLS) is an additive manufacturing technology. A layer of metal powder and alloy powder of 20 to 30 microns is micro-welded by Yb precision high-power laser with a power of up to 200 watts. After one layer is completed, the sintered part descends to the powder bed platform. In the building area, platforms with materials, platforms for buildings and moving new powder are being built, so that fully functional metal parts can be automatically generated directly from 3D CAD data layer by layer. Metal 3D printing technology also includes EBM electron beam 3D printing technology.
5.PolyJet ultraviolet (UV) curing spraying liquid photosensitive resin 3D printing technology;
PolyJet 3D printing technology is to spray a thin layer of liquid photosensitive resin with the thickness of 16 micron (0.0006 ") by ultraviolet (UV) light curing to build a model layer by layer. As well as extremely complex geometries, realistic details and smooth surfaces. You can even print multiple materials, colors and hardness at once to create the same molded parts and models. PolyJet rapid prototyping technology is a demonstration model and an excellent choice for high-resolution inkjet technology to produce parts.
6.MJP multi-nozzle inkjet high-resolution layered 3D printing technology;
MJP multi-nozzle inkjet 3D printing technology uses piezoelectric jet to print high-resolution stacked or photocured plastic resin or wax casting materials layer by layer. Provides the highest Z-axis resolution with a thickness of 16 micron, and prints high-precision fine parts.
7.CJP color inkjet 3D printing technology;
CJP color ink-jet 3D printing technology uses rollers to push the composite powder onto the modeling platform and spread a thin layer evenly. At the same time, the print head sprays transparent liquid glue to solidify the composite powder, while the color ink-jet print head selectively sprays color glue on the spread powder, and then the modeling platform descends layer by layer, and this action is repeated until the model is completed.
8.DLP digital image projection 3D printing technology;
DLP digital image projection 3D printing technology is a high-quality and high-precision 3D processing technology with Z-axis moving up and down, independent pixel control and mask projection superposition.