SLA 3D Printing Singapore
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What is SLA?
Stereolithography (SLA) technology works by making use of light-reactive thermoset materials called “resin.” The technology uses a light source (a laser or projector) to cure and harden liquid resin into the desired 3D shape.
Patented in the 1980s, the technology is the first 3D printing technology ever developed. Until today, the veteran 3D printing technique remains one of the three most common 3D printing technologies along with FDM and SLS.
SLA 3D prints from top to bottom, and the build platform lifts the model upwards, out of the resin bath.
Key benefits of SLA include smooth finishing, high precision and accuracy as well as fine detail. It is among the most accurate forms of 3D printing. Therefore, SLA is preferred for producing objects such as prototypes and moulds that can facilitate production of structures of complex geometries, like jewellery.
With regards to compatible materials, this 3D printing technology is accompanied with different kinds of resin. These resin materials are able to print objects of varying physical and aesthetic properties. For example, Formlabs’ Tough Resin can be used for applications where a high degree of strength and mechanical resistance are needed.
3D Printing Processes
Short for Fused Deposition Modeling, FDM is one of the most commonly adopted additive manufacturing technologies today due to its low cost and efficiency.
Great for products that require a smooth finish and high accuracy. SLA is also a popular choice for creating prototypes for clear parts, including bottles.
Capable of printing multiple materials from flexible to rigid in one part. 3D prints at a high speed, with extremely high accuracy and a smooth surface finish.
SLS is a powder-based 3D printing technology suitable for building parts that require high durability and complex geometries as it does not need any form of support.
Similar to SLS, Multi Jet Fusion also utilizes powder to 3D print objects. One advantage is that parts produced by MJF are stronger and more precise compared to SLS.