Results 1 to 10 of about 8,548,248 (305)

Three dimensional evaluation of accuracy of bracket positioning

Journal of Pharmacy and Bioallied Sciences, 2023
Introduction: The success of orthodontic treatment depends on accurate bracket placement, so researchers are constantly exploring new direct and indirect bonding methods with the help of cutting-edge imaging technologies like cone beam computed ...
Kapil Kamal Kishor Fafat, Deepali Jain, Susmita Kumari Pandit, Rythm Kharbanda, Pragya Trivedy, Ekta Gupta   +5 more
doaj   +3 more sources

An Experimental Investigation about the Dimensional Accuracy and the Porosity of Copper-Filled PLA Fused Filament Fabrication Parts

Metals, 2023
In recent years, metal-filled plastic filaments have begun to be used in fused filament fabrication (FFF) technology. However, the characterization of the parts obtained is still under development.
Irene Buj-Corral, Maurici Sivatte-Adroer
doaj   +2 more sources

Investigations on Factors Affecting 3D-Printed Holes Dimensional Accuracy and Repeatability

Applied Sciences, 2022
This paper investigates the impact of several factors related to manufacturing, design, and post-processing on the dimensional accuracy of holes built in the additively manufactured parts obtained by material extrusion process (MEX).
Diana Popescu, Cătălin Gheorghe Amza, Rodica Marinescu, Mariana Cristiana Iacob, Nicoleta Luminiţa Căruţaşu   +4 more
doaj   +2 more sources

Horizontal dimensional accuracy prediction of selective laser melting

Materials & Design, 2018
A theoretical model has been proposed to predict the horizontal dimensional accuracy of selective laser melting (SLM) in this paper. It is found that the horizontal dimensional deviation of SLM consists of two parts. The first part is related to the mode
Luo Zhang, Shasha Zhang, Haihong Zhu, Zhiheng Hu, Guoqing Wang, Xiaoyan Zeng   +5 more
doaj   +3 more sources

Multi-Stage micro-CT–based dimensional accuracy assessment of a voronoi-based patient-specific cranial implant fabricated by electron beam melting [PDF]

Frontiers in Medical Technology
IntroductionPatient-specific cranial implants fabricated using powder bed fusion technologies require rigorous dimensional validation to ensure reliable digital-to-physical translation, particularly when complex architectures are employed.
Horațiu Rotar, Horațiu Rotar, Horațiu Rotar, Cosmin Cosma, Cosmin Cosma, Nicolae Bâlc, Nicolae Bâlc, Seong-Gon Kim, Daniel Ostaș, Daniel Ostaș   +9 more
doaj   +2 more sources

Study of SLA Printing Parameters Affecting the Dimensional Accuracy of the Pattern and Casting in Rapid Investment Casting

Journal of Manufacturing and Materials Processing, 2022
Dimensional accuracy and geometric characteristics of the manufactured parts bear significant importance in product assembly. In Rapid Investment Casting, these characteristics can be affected by the printing parameters of the Additive Manufacturing ...
Asma Perveen, Didier Talamona, Talamona Didier   +2 more
exaly   +2 more sources

Dimensional Accuracy and Short-Term Stability of Orthodontic Resin-Printed Models: A Closed Dental System Compared with Commercial Desktop Workflows [PDF]

Dentistry Journal
Background/Objectives: Resin 3D printing is widely used to fabricate orthodontic diagnostic models, but the practical performance of commercial desktop workflows compared to dental-certified workflows is still debated. This study compared the dimensional
Pilar España-Pamplona, Davide Gentile, Adrian Curto-Aguilera, Riccardo Aiuto, Milagros Adobes-Martin, Daniele Garcovich   +5 more
doaj   +2 more sources

The Impact of Process Parameters on Surface Roughness and Dimensional Accuracy during CO₂ Laser Cutting of PMMA Thin Sheets

Journal of Manufacturing and Materials Processing, 2021
This study investigated the impact of the laser speed and power, and the position and orientation of the samples, on the average surface roughness (Ra) and dimensional accuracy (DA) during CO2 laser cutting of polymethyl methacrylate (PMMA) thin sheets ...
Konstantinos Ninikas, John Kechagias, Konstantinos Salonitis   +2 more
doaj   +2 more sources

Analyzing the Impact of FDM Parameters on Compression Strength and Dimensional Accuracy in 3D printed PLA Parts [PDF]

Engineering and Technology Journal, 2023
Fused deposition modeling (FDM) is an additive manufacturing (AM) technique frequently used to create prototypes and parts with intricate geometrical designs.
Hind Abdulridha, Tahseen Abbas
doaj   +1 more source

Distortion Analysis of Thin-Walled Investment Castings [PDF]

Archives of Foundry Engineering, 2023
Dokra casting is famous for its Artistic value to the world but it is also sophisticated engineering. The technique is almost 4500 years old. It is practiced by the tribal artisans of India.
R. Mandal, S. Roy, S. Sarkar, T. Mandal, A.K. Pramanick, G. Majumdar   +5 more
doaj   +1 more source