This article provides a comprehensive, step-by-step framework that bridges the gap between theory and engineering practical applications of Powder Bed Fusion (PBF) technology for producing high-quality metal parts suitable end users. proposed integrates multiple aspects into coherent methodology on how to evaluate PBF parameters processing conditions, in order establish reliability scale process Realizer 250 SLM machine. Experimental research, conducted over past 10 years, reveals often...

Cobalt–chromium (CoCr) alloys are frequently used to produce customized dental applications such as crowns, bridges, or prostheses. These medical products have anatomical forms, and can be effectively manufactured using the laser-based powder bed fusion (PBF-LB/M) technique. A major disadvantage of this approach is extended time required refine resultant surface. The purpose research reduce surface roughness PBF-LB/M/CoCr crowns by adopting drag finishing (DF) technology. To evaluate impact...

Purpose – The purpose of this paper was to present how customized implants could be made with specific properties, by setting different values the laser power, within selective melting (SLM) process. A detailed case study undertaken and a new multi-structured femoral prosthesis designed analyzed, simulate its behavior for study. Design/methodology/approach materials manufacturing methods are presented, details regarding SLM process, using Realizer 250 machine. power varied between 50 200 W,...

This paper introduces an Acoustic Emission (AE)-based monitoring method designed for supervising the Abrasive Waterjet Cutting (AWJC) process, with a specific focus on precision cutting of Carbon Fiber-Reinforced Polymer (CFRP). In industries dealing complex CFRP components, like aerospace, automotive, or medical sectors, preventing system malfunctions is very important. proposed addresses issues such as reductions interruptions in abrasive flow rate, clogging head particles, wear and drops...

Purpose This paper aims to decrease the cost of repairing operations, damaged mechanical components, by enabling strong automation process and reduction manual labor. The main purpose hybrid repair is restore original shape parts, adding removing material according mismatch between object virtual model, its geometrical properties. Design/methodology/approach DUOADD software tool translates information collected from a 3D scanner into digital computer aided design solid which can be...

To manufacture custom medical parts or scaffolds with reduced defects and high mechanical characteristics, new research on optimizing the selective laser melting (SLM) parameters are needed. In this work, a biocompatible powder, 316L stainless steel, is characterized to understand particle size, distribution, shape flowability. Examination revealed that particles smooth, nearly spherical, their mean diameter 39.09 μm just 10% of them hold less than 21.18 μm. SLM under consideration include...

The demand of lattice structures for medical applications is increasing due to their ability accelerate the osseointegration process, reduce implant weight and stiffness. Selective laser melting (SLM) process offers possibility manufacture directly complex applications, but there are a few studies that have focused on biocompatible Ti6Al7Nb alloy. purpose this work was investigate physical–mechanical properties microstructure three dissimilar were SLM-manufactured by using powder. In...

This study introduces an artificial neural network (ANN) model for optimizing process parameters to reduce the chances of delamination in carbon fiber-reinforced polymer (CFRP) materials during abrasive water jet (AWJ) piercing. AWJ is a proper method cutting CFRP. The initial step this piercing, which creates entry holes material facilitate further operations. However, piercing particularly challenging due high energy applied material. If it not properly controlled, high-energy impact can...

Views Icon Article contents Figures & tables Video Audio Supplementary Data Peer Review Share Twitter Facebook Reddit LinkedIn Tools Reprints and Permissions Cite Search Site Citation Razvan Pacurar, Nicolae Balc, Florica Prem; Research on how to improve the accuracy of SLM metallic parts. AIP Conference Proceedings 4 May 2011; 1353 (1): 1385–1390. https://doi.org/10.1063/1.3589710 Download citation file: Ris (Zotero) Reference Manager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex...

This paper presents a solution aimed at enhancing the accuracy of abrasive waterjet cutting (AWJC) for processing carbon-fiber-reinforced polymers (CFRP). Processing CFRP with high and good surface quality in short time is difficult task. One crucial problem occurrence shape errors, overcuts, cut-in cut-out point during process. Shape errors have potential to create mechanical stress concentrators, which can result structural failures compromise integrity reliability components. The primary...

This paper presents a new method of process parameter optimization, adequate for 3D printing PLA (Polylactic Acid) components. The authors developed piece Hybrid Manufacturing Equipment (HME), suitable producing complex parts made from biodegradable thermoplastic polymer, to promote environmental sustainability. Our HME equipment produces by both additive and subtractive techniques, with the aim obtaining accurate components good surface quality. A design experiments has been applied...

Traditional vulcanization mold manufacturing is complex, costly, and under pressure due to shorter product lifecycles diverse variations. Additive using Fused Filament Fabrication high-performance polymers like PEEK offer a promising future in this industry. This study assesses the compressive strength of various infill structures (honeycomb, grid, triangle, cubic, gyroid) when considering two distinct build directions (Z, XY) enhance PEEK’s economic resource efficiency rapid tooling. A...

This study is focused on the mechanical properties of WC-Co composites obtained via Selective Laser Sintering using PA12 as a binder. The as-printed samples were thermally debonded, and sintered, first in vacuum, then sinter-HIPed at 1400oC, 50 bar Ar, which has led to relative densities up 66 %. Optical metallographic images show microstructure consisting WC, with an average grain size range 1.4 – 2.0 µm, isolated large grains, well-distributed Co matrix. shrinkage was 43 %, no significant...

The thermal conductivity of components manufactured using Laser Powder Bed Fusion (LPBF), also called Selective Melting (SLM), plays an important role in their processing. Not only does a reduced cause residual stresses during the process, but it makes subsequent processes such as welding LPBF more difficult. This article uses 316L stainless steel samples to investigate whether and what extent specimens can be influenced by different parameters. To this end, are set up parameters,...

Additive Manufacturing is a cutting-edge technology for the production of complex, functional, filigree and topology-optimized components. The growing demand high-tech light-weight structures increasingly requires support in design process fine lattice structures. However, due to high information density regarding structures, which based on many scientific research studies, effective specifically product-oriented structure made more difficult. focus this work provide user-friendly basis user...

Within this article, there are presented a series of researches that related to the field customized medical implants made by Additive Manufacturing techniques, such as Selective Laser Melting (SLM) technology. Lattice structures required in case for better osteointegration implant contact area bone. But consequence using is important also mechanical resistance point view. The shape and size cells connected within lattice structure be manufactured SLM critical case. There few limitations...

3D Printing is about to revolutionize the way we design and produce future products. This causes not just immense research development activities worldwide but requires intensive education training efforts. As an ideal tool set up a decentralized production, it one key integrate even rural under-industrialized parts of country into high tech professional needed. But how reach relevant groups - pupils from schools as well staff preferably companies? Remembered old proverb: "If mountain won't...

Abrasive Water Jet is an innovative process which proves to be a good solution for cutting, drilling, polishing and milling, various materials. milling has some advantages, compared with classical technologies, such as: high flexibility machining versatility, no thermal distortion. In this paper the authors proposed few strategies water jet manufacturing. Using correct processing proper parameters, manufacture plan surfaces, profiles slots.

This paper presents a new method of process parameters optimization, adequate for 3D printing PLA (Polylactic Acid) components. The authors developed Hybrid Manufacturing Equipment (HME), suitable producing complex parts made from biodegradable thermoplastic polymer, environmental sustainability. Our HME equipment is by both additive and subtractive techniques, with the aim obtaining accurate components good surface quality. A design experiments has been applied optimization purposes....

In this paper the authors shows hydroforming of tubular parts. Also it presents technology It is presented some experimental research compared with prediction numerical simulation process. There are also mechanical parameters material which used in field deforming

This study evaluates the manufacturability and performances of periodic cellular lattice structures designed by repeating a cubic unit cell produced SLM using titanium powder. The effects size on manufacturability, density, compression bending properties manufactured were investigated. Lattice with various sizes ranging from 0.5 to 1.2 mm could be free defects process, novel type supports. By increasing size, decrease applied load together an enhancement flexure extension observed. Specimens...

The paper presents an application of the ANOVA method within Selective Laser Melting (SLM) process. A new mathematical model was developed, to calculate surface roughness SLM parts made from titanium powder, as function important parameters: point distance, exposure time and laser power. Preliminary experiments were undertaken according Design Experts work plan formula tested by further experimental research, validate optimized parameters.