Types of SLA 3D Printer ?
There are several types of SLA (Stereolithography) 3D printers, including:
It's worth noting that new advancements are being made in the field of SLA 3D printing all the time, and new types of SLA 3D printers are being developed to improve the technology and make it more accessible.
What is LCD-based SLA ?
LCD-based SLA (Stereolithography) 3D printing is a type of SLA 3D printing that uses an LCD (liquid crystal display) screen to project the image of each layer onto the surface of the resin, instead of using a laser. This allows for faster printing speeds and reduced cost compared to basic SLA.
In LCD-based SLA, the LCD screen acts as a mask, which is placed in contact with the resin. The light from the LCD is then passed through the mask and the resin, curing the resin layer by layer. The build tray is then raised slightly, and the process is repeated for the next layer.
The main advantage of LCD-based SLA is its faster printing speed, as an entire layer can be cured at once. It also allows for more consistent and uniform curing, resulting in parts with high precision and a smooth surface finish.
LCD-based SLA is considered a more affordable option than basic SLA, as it requires less expensive hardware such as LCD and UV LED light sources.
It's worth noting that LCD-based SLA is a newer and less popular technology than basic SLA, and it's still being developed and improved to make it more accessible. Some of the best-known companies that produce LCD-based SLA 3D printers include Anycubic and Elegoo.
What is DLP-based SLA ?
DLP-based SLA (Stereolithography) 3D printing is a type of SLA 3D printing that uses a DLP (Digital Light Processing) projector to project the image of each layer onto the surface of the resin, instead of using a laser. This allows for faster printing speeds and reduced cost compared to basic SLA.
In DLP-based SLA, the DLP projector projects an image of a cross-section of the object onto the surface of the liquid resin in the build tray, which is then cured or solidified by the light. A small increment then lowers the build tray, and the process is repeated for the next layer.
The main advantage of DLP-based SLA is its faster printing speed, as an entire layer can be cured at once and its high precision and fine details. It also allows for more consistent and uniform curing, resulting in parts with high precision and smooth surface finish.
DLP-based SLA is considered a more affordable option than basic SLA, as it requires less expensive hardware such as DLP projector and UV LED light sources.
It's worth noting that DLP-based SLA is a newer and less popular technology than basic SLA, and it's still being developed and improved to make it more accessible. Some of the best-known companies that produce DLP-based SLA 3D printers include Anycubic and Elegoo.
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What is Industrial SLA ?
Industrial SLA (Stereolithography) 3D printing is a type of SLA 3D printing that is designed for high-volume production and large-scale parts. These types of printers are typically built for industrial use, have a larger build volume, and high precision. They can handle the demands of printing with high-performance resins.
Industrial SLA 3D printers usually have larger build envelopes and can print larger and more complex parts in a single build. They also have more advanced features such as precision laser scanning and closed-loop control systems.
These types of printers are typically more expensive than desktop SLA printers, but they offer higher accuracy, faster print speeds, and the ability to print with a wider range of materials.
Industrial SLA 3D printers are commonly used in a variety of industries including automotive, aerospace, dental, and medical. They are also used to create complex and high-precision prototypes, and end-use parts.
Examples of companies that produce industrial SLA 3D printers include Carbon, Stratasys, and Prodways.
It's worth noting that industrial SLA 3D printers are not accessible for everyone, but for companies and manufacturers who need to produce high volume of parts, or large-scale parts, they are the best option.
What is Desktop SLA ?
Desktop SLA (Stereolithography) 3D printing is a type of SLA 3D printing that is smaller, more affordable and designed for personal or small scale use as opposed to industrial use. They are typically more compact than industrial SLA printers and are designed for use in small workshops, homes, or educational settings.
Desktop SLA 3D printers offer high precision and fine details, as well as smooth surface finish, and they are suitable for producing small, intricate parts and models. They offer a good balance of cost and performance, making them accessible for more people than industrial SLA printers.
Desktop SLA 3D printers are commonly used in educational settings, small-scale prototyping, jewelry, and dental applications, as well as in creating figurines, and other small parts.
Examples of companies that produce desktop SLA 3D printers include Formlabs, Peopoly, and XYZprinting.
It's worth noting that the build volume of desktop SLA 3D printers is smaller than industrial SLA printers, therefore, it's not suitable for large-scale or high volume production. However, for small scale or personal projects, it's a good option.
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