{"id":2320,"date":"2023-10-31T07:08:45","date_gmt":"2023-10-31T07:08:45","guid":{"rendered":"https:\/\/met3dp.com\/?p=2320"},"modified":"2023-10-31T07:09:02","modified_gmt":"2023-10-31T07:09:02","slug":"slm-technology-a-comprehensive-guide","status":"publish","type":"post","link":"https:\/\/met3dp.sg\/vi\/slm-technology-a-comprehensive-guide\/","title":{"rendered":"C\u00f4ng ngh\u1ec7 SLM: H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n"},"content":{"rendered":"<p>SLM (selective laser melting) is an advanced additive manufacturing technology for metal parts. This guide provides an in-depth look at SLM systems, processes, materials, applications, advantages, and considerations when adopting this technology.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Introduction to Selective Laser Melting<\/h2>\n\n\n\n<p>Selective laser melting (SLM) is a powder bed fusion additive manufacturing process that uses a high power laser to selectively melt and fuse metallic powder particles layer-by-layer to build up fully dense metal parts directly from 3D CAD data.<\/p>\n\n\n\n<p>Key features of <a href=\"https:\/\/met3dp.sg\/vi\/slm-technology\/\">SLM technology<\/a>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Uses laser to selectively melt powdered metals<\/li>\n\n\n\n<li>Adds material only where required<\/li>\n\n\n\n<li>Allows complex geometries unachievable by casting or machining<\/li>\n\n\n\n<li>Creates dense, void-free metal components<\/li>\n\n\n\n<li>Common materials include aluminum, titanium, steel, nickel alloys<\/li>\n\n\n\n<li>Capable of small to medium part sizes<\/li>\n\n\n\n<li>Ideal for complex, low volume parts<\/li>\n\n\n\n<li>Eliminates need for hard tooling like molds and dies<\/li>\n\n\n\n<li>Reduces waste compared to subtractive methods<\/li>\n\n\n\n<li>Enables performance improvements with engineered structures<\/li>\n<\/ul>\n\n\n\n<p>SLM delivers game-changing capabilities for innovative product design and lean manufacturing. However, mastering the process requires specialized expertise.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">How Selective Laser Melting Works<\/h3>\n\n\n\n<p>The SLM process involves:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Spreading a thin layer of metal powder onto a build plate<\/li>\n\n\n\n<li>Scanning a focused laser beam to selectively melt powder<\/li>\n\n\n\n<li>Lowering build plate and repeating layering and melting<\/li>\n\n\n\n<li>Removing finished parts from powder bed<\/li>\n\n\n\n<li>Post-processing parts as needed<\/li>\n<\/ol>\n\n\n\n<p>Precisely controlling energy input, scan patterns, temperature, and atmospheric conditions is critical to achieve defect-free, dense parts.<\/p>\n\n\n\n<p>SLM systems feature a laser, optics, powder delivery, build chamber, inert gas handling, and controls. Performance depends heavily on system design and build parameters.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/met3dp.sg\/wp-content\/uploads\/2023\/10\/FeCoNiCrMo-Powder.jpg\" alt=\"C\u00f4ng ngh\u1ec7 SLM \" class=\"wp-image-2188\" title=\"\" srcset=\"https:\/\/met3dp.sg\/wp-content\/uploads\/2023\/10\/FeCoNiCrMo-Powder.jpg 600w, https:\/\/met3dp.sg\/wp-content\/uploads\/2023\/10\/FeCoNiCrMo-Powder-300x300.jpg 300w, https:\/\/met3dp.sg\/wp-content\/uploads\/2023\/10\/FeCoNiCrMo-Powder-150x150.jpg 150w, https:\/\/met3dp.sg\/wp-content\/uploads\/2023\/10\/FeCoNiCrMo-Powder-12x12.jpg 12w, https:\/\/met3dp.sg\/wp-content\/uploads\/2023\/10\/FeCoNiCrMo-Powder-100x100.jpg 100w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><a href=\"https:\/\/met3dp.sg\/vi\/slm-technology\/\">C\u00f4ng ngh\u1ec7 SLM<\/a> C\u00e1c nh\u00e0 cung c\u1ea5p<\/h2>\n\n\n\n<p>Leading SLM system manufacturers include:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th><strong>C\u00f4ng ty<\/strong><\/th><th><strong>Models<\/strong><\/th><th><strong>Build Size Range<\/strong><\/th><th><strong>Nguy\u00ean v\u1eadt li\u1ec7u<\/strong><\/th><th><strong>Ph\u1ea1m vi gi\u00e1<\/strong><\/th><\/tr><\/thead><tbody><tr><td>Gi\u1ea3i ph\u00e1p SLM<\/td><td>NextGen, NXG XII<\/td><td>250 x 250 x 300 mm&nbsp;&lt;br&gt;&nbsp;800 x 400 x 500 mm<\/td><td>Ti, Al, Ni, Steels<\/td><td>$400,000 &#8211; $1,500,000<\/td><\/tr><tr><td>EOS<\/td><td>M 300, M 400<\/td><td>250 x 250 x 325 mm&nbsp;&lt;br&gt;&nbsp;340 x 340 x 600 mm<\/td><td>Ti, Al, Ni, Cu, Steels, CoCr<\/td><td>$500,000 &#8211; $1,500,000<\/td><\/tr><tr><td>Trumpf<\/td><td>TruPrint 3000<\/td><td>250 x 250 x 300 mm&nbsp;&lt;br&gt;&nbsp;500 x 280 x 365 mm<\/td><td>Ti, Al, Ni, Cu, Steels<\/td><td>$400,000 &#8211; $1,000,000<\/td><\/tr><tr><td>Concept Laser<\/td><td>X line 2000R<\/td><td>800 x 400 x 500 mm<\/td><td>Ti, Al, Ni, Steels, CoCr<\/td><td>$1,000,000+<\/td><\/tr><tr><td>Renishaw<\/td><td>AM400, AM500<\/td><td>250 x 250 x 350 mm&nbsp;&lt;br&gt;&nbsp;395 x 195 x 375 mm<\/td><td>Ti, Al, Steels, CoCr, Cu<\/td><td>$500,000 &#8211; $800,000<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>System choice depends on build size needs, materials, quality, cost, and service. Partnering with an experienced SLM solutions provider is recommended to properly evaluate options.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">SLM Process Characteristics<\/h2>\n\n\n\n<p>SLM involves complex interactions between various process parameters. Here are key characteristics:<\/p>\n\n\n\n<p><strong>Laser<\/strong> &#8211; Power, wavelength, mode, scanning speed, hatch distance, strategy<\/p>\n\n\n\n<p><strong>Powder<\/strong> &#8211; Material, particle size, shape, feeding rate, density, flowability, reuse<\/p>\n\n\n\n<p><strong>Nhi\u1ec7t \u0111\u1ed9<\/strong> &#8211; Preheating, melting, cooling, thermal stresses<\/p>\n\n\n\n<p><strong>B\u1ea7u kh\u00f4ng kh\u00ed<\/strong> &#8211; Inert gas type, oxygen content, flow rates<\/p>\n\n\n\n<p><strong>Build Plate<\/strong> &#8211; Material, temperature, coating<\/p>\n\n\n\n<p><strong>Scan Strategy<\/strong> &#8211; Hatch pattern, rotation, border outlines<\/p>\n\n\n\n<p><strong>H\u1ed7 tr\u1ee3<\/strong> &#8211; Minimizing need, interface, removal<\/p>\n\n\n\n<p><strong>Post-processing<\/strong> &#8211; Heat treating, HIP, machining, finishing<\/p>\n\n\n\n<p>Understanding relationships between these parameters is essential to achieving defect-free parts and optimal mechanical properties.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">SLM Design Guidelines<\/h2>\n\n\n\n<p>Proper part design is critical for SLM success:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Design with additive manufacturing in mind vs conventional methods<\/li>\n\n\n\n<li>Optimize geometries to reduce weight, material, and improve performance<\/li>\n\n\n\n<li>Minimize need for supports using self-supporting angles<\/li>\n\n\n\n<li>Allow for support interface regions in design<\/li>\n\n\n\n<li>Orient parts to reduce stresses and avoid defects<\/li>\n\n\n\n<li>Allow for thermal shrinkage in features<\/li>\n\n\n\n<li>Design interior channels for unmelted powder removal<\/li>\n\n\n\n<li>Account for potential warpage in overhangs or thin sections<\/li>\n\n\n\n<li>Design surface finishes factoring in as-built roughness<\/li>\n\n\n\n<li>Consider effects of layer lines on fatigue performance<\/li>\n\n\n\n<li>Design fixturing interface for raw parts<\/li>\n\n\n\n<li>Minimize trapped volumes of unsintered powder<\/li>\n<\/ul>\n\n\n\n<p>Simulation software helps assess stresses and deformations in complex SLM parts.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">SLM Material Options<\/h2>\n\n\n\n<p>A range of alloys are processable by SLM, with material properties dependent on parameters used.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th><strong>Category<\/strong><\/th><th><strong>Common Alloys<\/strong><\/th><\/tr><\/thead><tbody><tr><td>Titan<\/td><td>Ti-6Al-4V, Ti 6242, TiAl, Ti-5553<\/td><\/tr><tr><td>Nh\u00f4m<\/td><td>AlSi10Mg, AlSi12, Scalmalloy<\/td><\/tr><tr><td>Th\u00e9p kh\u00f4ng g\u1ec9<\/td><td>316L, 17-4PH, 304L, 4140<\/td><\/tr><tr><td>Tool Steel<\/td><td>H13, Maraging Steel, Copper Tool Steel<\/td><\/tr><tr><td>Nickel Alloys<\/td><td>Inconel 625, 718, Haynes 282<\/td><\/tr><tr><td>Cobalt chrome<\/td><td>CoCrMo, MP1, CoCrW<\/td><\/tr><tr><td>Precious Metals<\/td><td>Gold, Silver<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Choosing compatible alloys and dialing in qualified parameters are essential to achieve required material performance.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Key SLM Applications<\/h2>\n\n\n\n<p>SLM enables transformative capabilities across industries:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th><strong>Ng\u00e0nh c\u00f4ng nghi\u1ec7p<\/strong><\/th><th><strong>C\u00e1c \u1ee9ng d\u1ee5ng ti\u00eau bi\u1ec3u<\/strong><\/th><\/tr><\/thead><tbody><tr><td>Kh\u00f4ng gian v\u0169 tr\u1ee5<\/td><td>Turbine blades, impellers, satellite &amp; UAV components<\/td><\/tr><tr><td>Thu\u1ed9c v\u1ec1 y h\u1ecdc<\/td><td>Orthopedic implants, surgical tools, patient-specific devices<\/td><\/tr><tr><td>\u00d4 t\u00f4<\/td><td>Lightweighting components, custom tooling<\/td><\/tr><tr><td>N\u0103ng l\u01b0\u1ee3ng<\/td><td>Complex oil\/gas valves, heat exchangers<\/td><\/tr><tr><td>C\u00f4ng nghi\u1ec7p<\/td><td>Conformal cooling inserts, jigs, fixtures, guides<\/td><\/tr><tr><td>Ph\u00f2ng th\u1ee7<\/td><td>Drones, armament, vehicle &amp; body armor components<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Benefits versus conventional manufacturing include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Mass customization capability<\/li>\n\n\n\n<li>Shorter development time<\/li>\n\n\n\n<li>Design freedom for performance gains<\/li>\n\n\n\n<li>Part consolidation and lightweighting<\/li>\n\n\n\n<li>Eliminating excessive material use<\/li>\n\n\n\n<li>Supply chain consolidation<\/li>\n<\/ul>\n\n\n\n<p>Careful validation of mechanical performance is needed when applying SLM parts in critical applications.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pros and Cons of <a href=\"https:\/\/met3dp.sg\/vi\/slm-technology\/\">C\u00f4ng ngh\u1ec7 SLM<\/a><\/h2>\n\n\n\n<p><strong>Advantages:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Design freedom enabled with additive manufacturing<\/li>\n\n\n\n<li>Complexity achieved at no added cost<\/li>\n\n\n\n<li>Eliminates need for hard tooling<\/li>\n\n\n\n<li>Consolidates subassemblies into single parts<\/li>\n\n\n\n<li>Lightweighting from topology optimized structures<\/li>\n\n\n\n<li>Customization and low volume production<\/li>\n\n\n\n<li>Reduced development time over casting\/machining<\/li>\n\n\n\n<li>High strength\/weight ratio from fine microstructures<\/li>\n\n\n\n<li>Minimizes material waste versus subtractive processes<\/li>\n\n\n\n<li>Just-in-time and decentralized production<\/li>\n\n\n\n<li>Reduced part lead time and inventory<\/li>\n<\/ul>\n\n\n\n<p><strong>Limitations:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Smaller build volumes than other metal AM processes<\/li>\n\n\n\n<li>Lower dimensional accuracy and surface finish than machining<\/li>\n\n\n\n<li>Limited choice of qualified alloys versus casting<\/li>\n\n\n\n<li>Significant trial-and-error to optimize build parameters<\/li>\n\n\n\n<li>Anisotropic material properties from layering<\/li>\n\n\n\n<li>Potential for residual stress and cracking<\/li>\n\n\n\n<li>Powder removal challenges from complex geometries<\/li>\n\n\n\n<li>Post-processing often required<\/li>\n\n\n\n<li>Higher equipment cost than polymer 3D printing<\/li>\n\n\n\n<li>Special facilities and inert gas handling needed<\/li>\n<\/ul>\n\n\n\n<p>When applied appropriately, SLM enables breakthrough performance impossible by other means.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/met3dp.sg\/wp-content\/uploads\/2023\/09\/Tungsten-Powder.jpg\" alt=\"C\u00f4ng ngh\u1ec7 SLM \" class=\"wp-image-2148\" title=\"\" srcset=\"https:\/\/met3dp.sg\/wp-content\/uploads\/2023\/09\/Tungsten-Powder.jpg 600w, https:\/\/met3dp.sg\/wp-content\/uploads\/2023\/09\/Tungsten-Powder-300x300.jpg 300w, https:\/\/met3dp.sg\/wp-content\/uploads\/2023\/09\/Tungsten-Powder-150x150.jpg 150w, https:\/\/met3dp.sg\/wp-content\/uploads\/2023\/09\/Tungsten-Powder-12x12.jpg 12w, https:\/\/met3dp.sg\/wp-content\/uploads\/2023\/09\/Tungsten-Powder-100x100.jpg 100w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Adopting SLM Technology<\/h2>\n\n\n\n<p>Implementing SLM involves challenges including:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Identifying suitable applications based on needs<\/li>\n\n\n\n<li>Confirming SLM feasibility for chosen designs<\/li>\n\n\n\n<li>Developing rigorous process qualification protocols<\/li>\n\n\n\n<li>Investing in suitable SLM equipment<\/li>\n\n\n\n<li>Securing expertise in metallic powder bed processes<\/li>\n\n\n\n<li>Establishing material quality procedures and standards<\/li>\n\n\n\n<li>Mastering build parameter development and optimization<\/li>\n\n\n\n<li>Implementing robust post-processing methods<\/li>\n\n\n\n<li>Qualifying mechanical properties of finished components<\/li>\n<\/ul>\n\n\n\n<p>A methodical introduction plan focused on low-risk applications minimizes pitfalls. Partnering with experienced SLM service bureaus or system OEMs provides access to expertise.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Cost Analysis of SLM Production<\/h2>\n\n\n\n<p>The economics of SLM production involve:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>High machine equipment cost<\/li>\n\n\n\n<li>Labor for build setup, post-processing, quality control<\/li>\n\n\n\n<li>Material costs of metal powder feedstock<\/li>\n\n\n\n<li>Part finishing &#8211; machining, drilling, deburring etc.<\/li>\n\n\n\n<li>Overhead &#8211; facilities, inert gas, utilities, maintenance<\/li>\n\n\n\n<li>Initial trial-and-error development time<\/li>\n\n\n\n<li>Cost declines with design optimization and production experience<\/li>\n\n\n\n<li>Becomes economical at low volumes of 1-500 units<\/li>\n\n\n\n<li>Provides highest cost advantage for complex geometries<\/li>\n<\/ul>\n\n\n\n<p>Choosing qualified alloys from reputable suppliers is recommended to avoid defects. Partnering with a service provider can offer a faster and lower risk adoption path.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">SLM Compared to Other Processes<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th><strong>Process<\/strong><\/th><th><strong>Comparison to SLM<\/strong><\/th><\/tr><\/thead><tbody><tr><td>CNC Machining<\/td><td>SLM enables complex shapes unmachinable through subtractive process. No hard tooling required.<\/td><\/tr><tr><td>\u0110\u00fac kim lo\u1ea1i<\/td><td>SLM eliminates high tooling costs. Better material properties than MIM. Lower volumes feasible.<\/td><\/tr><tr><td>Die Casting<\/td><td>SLM has lower tooling costs. No size limitations. Very complex geometries achievable.<\/td><\/tr><tr><td>Sheet Lamination<\/td><td>SLM creates fully dense and isotropic material versus laminated composites.<\/td><\/tr><tr><td>Binder Jetting<\/td><td>SLM delivers fully dense green parts compared to porous binder jetted parts requiring sintering.<\/td><\/tr><tr><td>DMLS<\/td><td>SLM provides higher accuracy and better material properties than DMLS polymer systems.<\/td><\/tr><tr><td>EBM<\/td><td>Electron beam melting has higher build rates but lower resolution than SLM.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Each process has advantages based on specific applications, batch sizes, materials, cost targets and performance requirements.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Future Outlook for SLM Additive Manufacturing<\/h2>\n\n\n\n<p>SLM is poised for significant growth in coming years driven by:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ongoing material expansion with more alloy availability<\/li>\n\n\n\n<li>Larger build volumes enabling industrial scale production<\/li>\n\n\n\n<li>Improved surface finishes and tolerances<\/li>\n\n\n\n<li>Increased system reliability and productivity<\/li>\n\n\n\n<li>New hybrid systems integrating machining<\/li>\n\n\n\n<li>Declining costs improving business case scaling<\/li>\n\n\n\n<li>Further optimization algorithms and simulation<\/li>\n\n\n\n<li>Automated post-processing integration<\/li>\n\n\n\n<li>Growth in qualified parts for regulated industries<\/li>\n\n\n\n<li>Continued advancement of complex designs<\/li>\n<\/ul>\n\n\n\n<p>SLM will become mainstream for an expanding range of applications where its capabilities provide distinct competitive advantage.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/met3dp.sg\/wp-content\/uploads\/2023\/10\/TC18-Powder.jpg\" alt=\"C\u00f4ng ngh\u1ec7 SLM \" class=\"wp-image-2196\" title=\"\" srcset=\"https:\/\/met3dp.sg\/wp-content\/uploads\/2023\/10\/TC18-Powder.jpg 600w, https:\/\/met3dp.sg\/wp-content\/uploads\/2023\/10\/TC18-Powder-300x300.jpg 300w, https:\/\/met3dp.sg\/wp-content\/uploads\/2023\/10\/TC18-Powder-150x150.jpg 150w, https:\/\/met3dp.sg\/wp-content\/uploads\/2023\/10\/TC18-Powder-12x12.jpg 12w, https:\/\/met3dp.sg\/wp-content\/uploads\/2023\/10\/TC18-Powder-100x100.jpg 100w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n\n\n\n<p><strong>What materials can you process with SLM?<\/strong><\/p>\n\n\n\n<p>Titanium and aluminum alloys are most common. Tool steels, stainless steel, nickel alloys, cobalt chrome are also processed.<\/p>\n\n\n\n<p><strong>How accurate is SLM?<\/strong><\/p>\n\n\n\n<p>Accuracy of around \u00b10.1-0.2% is typical, with minimum feature resolution of ~100 microns.<\/p>\n\n\n\n<p><strong>What is the cost of SLM equipment?<\/strong><\/p>\n\n\n\n<p>SLM systems range from $300,000 to $1,000,000+ depending on size, capabilities, and options.<\/p>\n\n\n\n<p><strong>What types of post-processing are required?<\/strong><\/p>\n\n\n\n<p>Post-processes like heat treating, HIP, surface finishing, and machining may be needed.<\/p>\n\n\n\n<p><strong>What industries use SLM?<\/strong><\/p>\n\n\n\n<p>Aerospace, medical, automotive, industrial, and defense industries are early adopters of SLM.<\/p>\n\n\n\n<p><strong>What materials does SLM not work well for?<\/strong><\/p>\n\n\n\n<p>Highly reflective metals like copper or gold remain challenging. Some material properties are still emerging.<\/p>\n\n\n\n<p><strong>What are typical surface finishes?<\/strong><\/p>\n\n\n\n<p>As-built SLM surface roughness ranges from 5-15 microns Ra. Finishing can improve this.<\/p>\n\n\n\n<p><strong>How big of parts can you make with SLM?<\/strong><\/p>\n\n\n\n<p>Volumes up to 500mm x 500mm x 500mm are typical. Larger machines accommodate bigger parts.<\/p>\n\n\n\n<p><strong>Is SLM suitable for production manufacturing?<\/strong><\/p>\n\n\n\n<p>Yes, SLM is increasingly used for end-use production parts, with examples in aerospace and medical industries.<\/p>\n\n\n\n<p><strong>How does SLM compare to EBM?<\/strong><\/p>\n\n\n\n<p>SLM can achieve finer detail while EBM has faster build speeds. Both deliver fully dense metal parts.<\/p>\n\n\n\n<p><a href=\"https:\/\/en.wikipedia.org\/wiki\/3D_printing_processes\" target=\"_blank\" rel=\"noreferrer noopener\">bi\u1ebft th\u00eam quy tr\u00ecnh in 3D<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>SLM (selective laser melting) is an advanced additive manufacturing technology for metal parts. This guide provides an in-depth look at SLM systems, processes, materials, applications, advantages, and considerations when adopting this technology. Introduction to Selective Laser Melting Selective laser melting (SLM) is a powder bed fusion additive manufacturing process that uses a high power laser [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2196,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2320","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/met3dp.sg\/vi\/wp-json\/wp\/v2\/posts\/2320","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/met3dp.sg\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/met3dp.sg\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/met3dp.sg\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/met3dp.sg\/vi\/wp-json\/wp\/v2\/comments?post=2320"}],"version-history":[{"count":1,"href":"https:\/\/met3dp.sg\/vi\/wp-json\/wp\/v2\/posts\/2320\/revisions"}],"predecessor-version":[{"id":2321,"href":"https:\/\/met3dp.sg\/vi\/wp-json\/wp\/v2\/posts\/2320\/revisions\/2321"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/met3dp.sg\/vi\/wp-json\/wp\/v2\/media\/2196"}],"wp:attachment":[{"href":"https:\/\/met3dp.sg\/vi\/wp-json\/wp\/v2\/media?parent=2320"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/met3dp.sg\/vi\/wp-json\/wp\/v2\/categories?post=2320"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/met3dp.sg\/vi\/wp-json\/wp\/v2\/tags?post=2320"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}