Rapid prototyping techniques, selective laser sintering. Nylon living hinges, snap fits, functional models nylon, polyamide. Some of these processes are explained as below with their relative advantages and disadvantages. Selective laser sintering applications overview quickparts. Selective laser sintering, or sls, is a popular 3d printing process for good reason. Selective laser sintering sls is a type of powder bed fusion pbf wherein a bed of powder polymer, resin or metal is targeted partially sintering or fully melting by a highpower directional heating source such as laser that result to a solidified layer of fused powder 70.
Since the mid1980s when the selective laser sintering concept was. Also explore the seminar topics paper on selective laser sintering with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year mechanical engineering me or production automobile students for the year 2019 2020. The indirect sls uses a polymer coating of about 5 m in thickness for metal powders and ceramics. Selective laser sintering seminar report, ppt, pdf for. Laser sintering, which means, methods that helps in the manufacturing of solid parts by solidifying powder like materials layerbylayer, exposing the surface of a powder bed with a laser or other high energy beam. It would seem that whenever someone thinks about 3d printing they think about fused deposit molding, which is an entirely different technique. Selective laser sintering sls is a type of powder bed fusion pbf. Selective laser sintering delivers precision, quality and increased speed. Advantagesdisadvantages of selective laser sintering. Capabilities and performances of the selective laser. The metal powder particles are coated with the polymer and the action of the laser melts the polymer, bonding the metal particles together to produce a green part. There are different ways to carry out additive manufacturing but one of the most popular is a method known as the selective laser sintering process or melting.
Sls advantagesdisadvantages, materials, machines, such as, direct metal laser sintering machines and applications. This is based on selective polymerization of a photosensitive resin using ultraviolet light. I noticed in the comments on previous posts that selective laser sintering sls isnt a very wellknown printing technique. Selective laser sintering sls is a rapid prototyping and manufacturing process that sinters fuses a variety of nylonbased materials for quickturn models or for shortrun production. Additive manufacturing, or 3d printing, is the process of turning digital designs into threedimensional objects.
The strength oithe slstm selective laser sintering process is the. A continuous laser beams are used or pulsating as heating source for scanning and aligning particles in predetermined sizes and shapes of the layers. The father of selective laser sintering 3d printing is. Explore selective laser sintering with free download of seminar report and ppt in pdf and doc format. Materialgeezacreative commons additive manufacturing, or 3d. Nowadays, sls along with direct metal laser sintering dmls and selective laser melting slm are some of the most significant examples of a. Selective laser sintering sls is an intelligent manufacturing process based on the use of powdercoated metal additives, a process generally used for rapid prototyping and instrumentation. Disadvantages of the selective laser sintering technology in the manufacture models for investment casting. Studying thermosets for use in selective laser sintering. Sls thus avoids any organic solvent and addresses some of the drawbacks of. Get an overview of the various selective laser sintering 3d manufacturing applications. So i thought it would be a good idea to dedicate a post to. Selective laser sintering delivers precision, quality and.
Selective laser melting slm is a particular rapid prototyping, 3d printing, or additive manufacturing am technique designed to use high powerdensity laser to melt and fuse metallic powders. It is a convenient and affordable way to make prototypes as well as finished products, making it popular with businesses, hobbyists and inventors. Direct metal laser sintering 3d selective laser melting. Selective laser sintering sls is a highly flexible rapid prototyping rp technology which can use a wide range of powdered materials to generate high quality complex geometries directly from. This schematic shows the selective laser sintering system. Selective laser sintering an overview sciencedirect topics. Selective laser sintering advantages and disadvantages. Additive manufacturing technology is one of the rapidly growing areas of research and development since it has tremendous potential to replace some of the existing conventional manufacturing processes.
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