This article reviews SLA and SLS rapid prototyping as two of the many options to consider before settling on a 3D printing or additive manufacturing technique. Tim's recent essay on SLA vs. SLS was spot-on when he noted, "It all comes down to trade-offs." After this, in 1986, 3D systems developed the first commercial SLA systems. Early in the 1990s, DTM (now a part of 3d rapid prototyping equipment) began selling the industry's first commercial SLS equipment. Are you wondering what this history lesson is for? With almost 20 years of expertise, additive manufacturing has advanced significantly. The technology and materials have had plenty of time to mature and improve here.

Which is better, SLA or SLS?

Keep reading to know all the differentiate sla and sls in rapid prototyping.

Material Selection

One of the fundamental distinctions between the two procedures is the choice of material. While stereolithography (SLA) relied on polymers and liquid resins, selective laser sintering (SLS) often used ceramics and nylon material (in addition to polystyrene). The materials utilized in these procedures, however, are not without their drawbacks. SLA printing uses a liquid resin that is very hazardous, while SLS rapid prototyping printing uses powder particles that may be inhaled and cause health problems.

Printing device dimensions

SLA printers are substantially more compact and may be placed on a desk. On the other hand, SLS printers are much bulkier and often installed on a workbench. Despite its superior print speed and model size, the SLS printer has a higher power consumption.

Conclusion

3D printing, a relatively new technology, has several uses across many industries. It's progressively replacing the older production processes. Both might be utilized in a single project; for instance, we could use SLS for an inexpensive preliminary prototype and switch to SLA for the final version due to its superior finish quality. As the two approaches compete to advance technology and new materials, the end user is the obvious winner in this race.

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