What are the materials used in stereolithography process?

Epoxy resins are the most commonly used material group in stereolithography. This synthetic resin with good electrical-insulation properties and high heat-resistance is also known as reaction resin.

What type of laser is used in SLA?

ultraviolet laser
Stereolithography. Stereolithography uses an ultraviolet laser to precisely cure a photosensitive resin to create a product based on a 3D digital model. The standard SLA 3D printer device includes a laser, a tank for resin and a build platform, which sits on an elevator.

What is stereolithography apparatus?

Stereolithography (SL) is one of several methods used to create 3D-printed objects. It’s the process by which a uniquely designed 3D printing machine, called a stereolithograph apparatus (SLA) converts liquid plastic into solid objects.

What type of laser is used in a 3D printer?

“For metal-based 3D printing, the industry mainly uses fiber lasers with a wavelength of 1,070 nanometers, which is in the infrared range, whereas a continuous-wave, solid-state fiber or disk laser with a wavelength in the range of 1,030 to 1,080 nm is typically used for cutting,” explained Dave Locke, sales specialist …

What is the name of laser source using in nano 3D printing?

The direct laser-writing technique underlying the 3D printing method is based on two-photon polymerization of photopolymers. In this process, near-infrared (NIR) ultrashort laser pulses spatially cure photosensitive materials when a certain intensity threshold is reached.

What material is used in Lom?

Laminated object manufacturing (LOM) is a rapid prototyping system originally developed by Helisys Inc. LOM technology uses adhesive-coated paper, plastic, or metal laminates as a 3D printing medium. These sheets of material are glued together layer-by-layer and cut into shape using a knife or with laser cutting.

What is the raw material which is used in stereolithography 3D printing what is the special feature of that material?

SLA 3D printers use light-reactive thermoset materials called “resin.” When SLA resins are exposed to certain wavelengths of light, short molecular chains join together, polymerizing monomers and oligomers into solidified rigid or flexible geometries.

Does SLA use laser?

Stereolithography (SLA) uses UV lasers as a light source to selectively cure a polymer resin. Digital light processing (DLP) uses a digital projector as a UV light source to cure a layer of resin.

How does stereolithography printing work?

How does stereolithography work? SLA 3D printing works by first positioning the build platform in the tank of liquid photopolymer, at a distance of one layer height for the surface of the liquid. A UV laser creates the next layer by selectively curing and solidifying the photopolymer resin.

Why CO2 laser is used in SLS?

CO2 laser is used in SLS 3D printing devices because a very big part of power made by that laser is absorbed by polyamide powder, instead of being bounced off powder surface. As it was already said, almost all producers equip theirs SLS 3D printers in CO2 lasers.