What Is SLA in Additive Manufacturing?

Stereolithography (SLA) is an additive manufacturing process that can 3D print parts with small features, tight tolerance requirements, and smooth surface finishes.

What is SLA method?

Stereolithography (SLA or SL; also known as stereolithography apparatus, optical fabrication, photo-solidification, or resin printing) is a form of 3D printing technology used for creating models, prototypes, patterns, and production parts in a layer by layer fashion using photochemical processes by which light causes …

What is the full name of SLA in additive manufacturing?

Stereolithography (SLA) 3D printing, or resin 3D printing, has become vastly popular for its ability to produce high-accuracy, isotropic, and watertight prototypes and parts in a range of advanced materials with fine features and smooth surface finish.

What is SLA and DLP?

The primary difference between DLP and SLA is the light source; SLA uses a UV laser beam while the DLP uses UV light from a projector. In DLP, the UV light source remains stationary and it cures the complete layer of resin at a time. In SLA, the laser beam moves from point to point tracing the geometry.

What is SLA and SLC?

A service-level agreement (SLA) is a contract between a service provider and its customers that documents what services the provider will furnish and defines the service standards the provider is obligated to meet. A service-level commitment (SLC) is a broader and more generalized form of an SLA.

What is meant by SLA?

A service-level agreement (SLA) sets the expectations between the service provider and the customer and describes the products or services to be delivered, the single point of contact for end-user problems, and the metrics by which the effectiveness of the process is monitored and approved.

What materials can SLA use?

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.

How does SLA resin 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.

What is SLA 3D?

Stereolithography (SLA) 3D printing is the most common resin 3D printing process that has become vastly popular for its ability to produce high-accuracy, isotropic, and watertight prototypes and end-use parts in a range of advanced materials with fine features and smooth surface finish.

What are part building steps in SLA?

  1. Gather Key Information.
  2. Establish A Basic Level Of Agreement.
  3. Set Up Ground Rules For Working Together.
  4. Develop The Written Document.
  5. Generating Buy-In When Building SLA.
  6. Publish A List Of Pre-Implementation Tasks.
  7. Manage Agreement While Building SLA.

When was SLA invented?

Hideo Kodama and French inventors Alain Le Mehaute, Olivier de Witte and Jean Claude André, Charles (Chuck) W. Hull coined the term “stereolithography” and patented the technology in 1984, then founded 3D Systems to commercialize it, releasing the SLA-1 machine in 1987.

What is 3D print resin?

Resin 3D printing is the technology in which liquid resin is stored in a container instead of being injected through a nozzle. The major terms or types of resin 3D printing include Stereolithography (SLA), Digital Light Processing, and Liquid Crystal Display (LCD) or Masked Stereolithography (MSLA).

What is DLP printing?

DLP (Digital Light Processing) is a 3D printing technology used to rapidly produce photopolymer parts. It’s very similar to SLA with one significant difference — where SLA machines use a laser that traces a layer, a DLP machine uses a projected light source to cure the entire layer at once.

What is 3D print resin made of?

In essence, 3D printer resin is a liquid solution that’s made of a variety of monomers and oligomers. Photopolymerisation ensures that the short carbon chains that make up monomers and oligomers cross-link and form polymers – a material that is composed of repeating units that make up large molecules.

What does SLS mean in 3D printing?

Selective laser sintering (SLS) is an industrial 3D printing process that produces accurate prototypes and functional production parts in as fast as 1 day.

Which is better DLP or SLA?

Curing: Since the curing (hardening) of the resin is done from point to point, SLA 3D printing is more accurate and the quality of the print is also better in comparison to DLP 3D printing.


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