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Yes, complex or overhanging parts may require support structures to ensure accurate printing.
The printed parts typically need to be cleaned to remove any uncured resin and may require further curing, surface treatment, or coloring to meet the final application requirements.
The SLA process can use various types of photopolymer resins, including clear, colored, flexible, or durable resins, meeting different application needs.
– Suitable for parts with complex shapes and fine surfaces
– Smooth surface finish with minimal layer lines
– Can achieve optimal detail, ideal for small items
– Enclosed and integrated equipment, easy to operate
– Capable of printing various material with different properties
The SLA (Stereolithography) process can achieve a precision of up to 10 microns. With the highest precision details in current 3D printing technologies, SLA is suitable for industries requiring highly precise parts.
When designing, consider the limitations related to support structures and minimum wall thickness. It is recommended to avoid excessive overhangs and large horizontal surfaces.
Parts produced by the MJF process typically have high precision and detailed features. The surface quality is relatively good, but post-processing may be required depending on the design orientation to further improve it.
The MJF process is characterized by its fast manufacturing speed and efficiency. It can produce complex internal structures, and the manufactured parts generally have superior surface quality and mechanical properties.
The MJF process is suitable for rapid prototyping, small-match production, and applications requiring complex internal structures. For example, intricate mechanical parts and industrial components.
The MJF process typically uses nylon and other plastic materials. These materials have good strength and flexibility, making them suitable for mechanical parts, prototype production, etc.
– Both MJF and SLS are high-precision industrial technologies that do not require support structures, suitable for one-time 3D printing of complex movable samples. MJF offers a better overall appearance due to its inkjet heads operating at 1200 DPI (about 0.022mm per unit) compared to SLS’s laser spot of about 0.3-0.4mm.
– The detailing agent used in non-printing area of MJF helps enhance the 3D printing features and sharp edges, but MJF is more prone to warping compared to SLS.
The MJF process involves spreading a layer of powder on the print bed, then selectively spraying a fusing agent in the areas to be printed and a detailing agent in the non-print areas to prevent sintering. Infrared light then fuses the material in the desired areas. This process is repeated layer by layer to complete the 3D print.
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