3D Printing Service | SLA 3D Printing
SLA 3D Printing
Details
Details:
Model
Material
Brand
Origin
Application
Booling-3D-9
Resin
Booling
China
Prototypes, Dental Applications, Medical Device, Aerospace, Auotomative Parts, Jewelry, Architecture
SLA technology, as an advanced process in 3D printing, uses specific wavelengths and intensities of ultraviolet light to irradiate liquid photosensitive resin for polymerization reaction, to solidify layer by layer and generate three-dimensional entities. It has a wide range of material choices and has been well known and widely used by the public.
Advantages of SLA 3D Printing：
- High Dimensional Accuracy
- Smooth Surface Finish
- Minimal Warping and Shrinkage
- Capability for Complex Geometries
- Minimal Material Waste
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In the 3D printing service, light curing molding technology (also known as SLA 3D printing) is a technology based on photosensitive resin and ultraviolet light, which can achieve rapid molding and curing. This technology mainly uses liquid photosensitive resin to rapidly cure and form under light. After each layer is completed, the workbench descends one layer and then the next layer is cured. After layer-by-layer accumulation, stack the desired shape and product.
The Process of 3D Printing Service
The main steps of the SLA service for 3D printing can be divided into stages such as data preparation, photopolymerization process, model cleaning, and post-curing treatment.
- The main content of the pre-processing stage of the SLA 3D printing service is the data preparation work for printing models, including data conversion of CAD design models, determination of placement orientation, application of support, and slicing and layering.
- The photopolymerization process is a process in which manufacturers rely on SLA equipment to provide printing services. SLA 3D printing equipment generally needs to be started in advance before formal printing, mainly because the start of the ultraviolet laser requires a certain amount of time and can make the temperature of the photosensitive resin raw material reach the preset reasonable temperature.
- After the production of photopolymerization molding, some excess liquid resin will remain in the model, and this step is to remove these residues, repair the support of the prototype, and polish the step texture formed by layer by layer curing to prevent problems in subsequent reproduction.
- All products and processes formed by photopolymerization require post-curing treatment, such as overall post-curing treatment using a UV oven.
Advantages of 3D Printing Service
Manufacturers need to comprehensively consider the advantages and limitations of the SLA 3D printing service when deciding whether to choose this method.
-Advantages
- 3D printing can provide fast manufacturing services, SLA technology has a convenient photosensitive reaction process, a short product production cycle, and does not require cutting tools and molds.
- SLA technology appeared early and, after several years of development, has reached a relatively proficient and well-applicable position.
- SLA 3D printing technology has complete software functions, can be operated online and remotely controlled, and can provide automated production services.
- 3D printing services have high accuracy and can print prototypes and molds with complex structural shapes or are difficult to produce with traditional manufacturing techniques.
Precision Application Field of 3D Printing Service
The SLA technology of 3D printing service is crucial in the automotive industry, which has led to significant progress and changes in automotive components.
- Jewelry
SLA 3D printing technology is widely used in the jewelry industry. As is well known, the jewelry industry has very high requirements for details and surface quality. SLA technology can achieve perfect replication of complex inlays, smooth curves, and precise patterns, and can design more high-end jewelry styles.
- Rapid Prototyping
SLA 3D printing services play a very important role in the design phase of molds, as they can quickly generate models and prototypes of molds and evaluate them. This has to some extent accelerated the launch of molds and products, shortening the research and development time.
- Medical and Health Care
In the medical field, SLA 3D printing can provide services for precision medical components, especially some dental models and prosthetics. In addition, it can also be applied to medical research and experimentation, accelerating the development process of modern medicine.
In the subsequent casting and production, the manufacturing of core boxes, templates, wax molds, die-casting molds, etc. often uses machining and sometimes requires fitters for subsequent adjustments, which consumes a lot of time and money. The biggest drawback is that it cannot meet the high-quality requirements of the precision industry. Especially for some complex-shaped castings (such as aircraft engine blades, marine propellers, cylinder blocks, cylinder heads of automobiles, tractors, etc.), such technical accuracy is a huge challenge for mold manufacturing. Although some large enterprises’ foundries also have advanced equipment such as CNC machine tools and imitation milling, the equipment is expensive and the manufacturing cycle is long, resulting in low efficiency. Moreover, due to the lack of good software system support, programming the machine tool is also very difficult. The emergence of SLA 3D printing rapid prototyping service provides higher precision, faster speed, and more complex structure guarantees for the production of casting molds.
Manufacturers can achieve high precision and smooth surface effects when providing the 3D printing SLA molding service. The photosensitive resin material used can be designed using CAD software for modeling, and then layered, scanned, cured, and overlaid into a three-dimensional workpiece prototype.
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