Rapid Prototyping Six Mainstream Analysis Of Technical Features
1.InkJet inkjet three-dimensional printing technology
A method of curing a device by ejecting viscous ink through an inkjet printhead, attaching it to the powder particles, and bonding the particles.
2.SLA light curing molding method
The ultraviolet laser is controlled by a computer, and the spot-by-point scanning is performed on the surface of the photosensitive resin according to the information of each layer of the cross-section of the part. The thin layer of resin in the scanned area is photopolymerized and solidified to form a thin layer of the part. After a layer of curing is completed, the workbench is moved down by a layer thickness so that a new layer of liquid resin is applied to the surface of the previously cured resin and repeated until a three-dimensional solid model is obtained.
3.SLS laser sintering method
It is to cure the powder material with a laser beam. The principle is to pre-lay a layer of powder material (metal powder or non-metal powder) on the workbench. Under the control of the computer, the laser will sinter the solid part powder according to the interface contour information, and then continuously circulate and form a layer. The SLS model can largely replace mass-produced parts and be used directly.
4. Fused deposition molding
The basis of this process is the heating and melting of thermoplastic polymer materials into filaments. At the same time, under the control of the computer, the three-dimensional nozzle selectively coats the material on the workbench according to the sectional profile information, and forms a cross section after rapid cooling. The above process is then repeated to continue the meltblown deposition until the entire solid shape is formed. This molding method can be imagined as two tubes of toothpaste simultaneously extruded, one extruded to be a model material, one extruded to be a supporting material, and stacked on a forming surface.
5.MJM multi-nozzle 3D printing technology
The photosensitive resin material is sprayed out through a plurality of print heads, and after the material is ejected, the ultraviolet light in front of or behind the print head solidifies it, which is a relatively fine curing method.
6.DLP
High-resolution digital light processor (DLP) projectors for curing liquid photopolymers are a very advanced way. They use ultraviolet light (white light) on the machine to illuminate a cross-sectional image and liquid The photosensitive resin is cured.
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