Additive manufacturing , also known as 3D printing , and 3D machine vision are exciting new skills. When we combine the two, they have the potential to create some new and efficient production forms, especially during this Interested in the concept of “active production†– a “one-stop†machine shop that uses 3D printing technology to create parts without manual supervision and uses machine vision skills to measure and Test the part.
Texas Instruments (TI) DLP ® technology and the digital micromirror device between the heart (DMD) can be supplied to the end of it all the key elements. DLP skills are the optical skills used in projection displays that were born in 1996 and are now widely used. When used in 3D printing and machine vision, DLP technology delivers high-resolution imaging, speeds up production, and lowers production costs, helping to turn the vision of proactive production into reality. Because of this, it has become a classic example of using old technology to deal with new questions.
3D printing with DLP technology
Light curing (SLA) is a common 3D printing process that is similar to traditional printing. Just as toner accumulates on paper, 3D printers can stack data layers in a series of 2D sections, and stacking them one layer at a time can produce 3D objects. In the case of SLA technology, the material is a resin that can be cured by an ultraviolet (UV) light source. When the resin cures, its monomers can crosslink to create a polymer chain that can form a solid material.
When SLA technology is combined with DLP technology, the DMD is illuminated by a UV light source. The pixels of the DMD are then processed separately, the picture is projected onto the resin layer, and then a series of cross sections are formed which can form a 3D object. The choice of DLP technology offers a number of advantages, such as the ability to image individual pixels from the DMD with optical skills, rather than allowing the source to be imaged directly on the resin, thus optimizing resolution and feature scale. (See below)
Light curing using DLP skills: Objects are specifically illustrated by a 3D computer-assisted design (CAD) model. The printer software converts the virtual model into a series of skins to accommodate the printing of objects.
Compared to a conventional SLA machine capable of 100 micron voxels (3D pixels), according to the DLP skill, a 30 micron voxel can be completed according to the DLA skill. The smaller the voxel, the smoother the transformed object, which means less post-production work is required to complete the creation of the object. In addition, because the imaging and creation of all structural layers is done together—rather than being one-by-one, layer-by-layer, these machines finish larger prints faster than traditional SLA machines.
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