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Enhanced Efficiency in Two-Component Injection Molding Product for Automotive Applications 15

Enhanced Efficiency in Two-Component Injection Molding Produ...

引用

15th International Scientific and Practical Conference on Environment. Technology. Resources, ETR 2024

作者： Todorov, Todor Todorov, Georgi Ivanov, Ivan FIT Laboratory "CAD/CAM/CAE in Industry" Technical University Sofia Bulgaria

ISBN: (纸本)9781713899570

The presented study is focused on an optimization analysis of a complex automotive component consisting of two parts with different materials. The research examines the impact of various runner configurations, cooling parameters, gate positioning, and melt temperature distribution within the mold. The paper emphasizes the advantages and applications of integrating such optimization techniques. Parametric and geometric optimization of the model is done, along with the evaluation of simulated filling processes, as clarified for the paper's objectives. Additionally, a methodical approach is outlined, clearing the process of operational rate selection, material property analysis, control parameter establishment, and preemptive simulations. © 2024 Todor Todorov, Georgi Todorov, Ivan Ivanov. Published by Rezekne Academy of Technologies.

关键词： Injection molding

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Selection and comparative study of rp technologies for personalized implant manufacturing

Selection and comparative study of rp technologies for perso...

引用

2019 International Conference on Creative Business for Smart and Sustainable Growth, CreBUS 2019

作者： Gavrilov, Todor Sofronov, Yavor Laboratory cAD/CAM/CAE in Industry FIT Technical University of Sofia Sofia Bulgaria

ISBN: (纸本)9781728134673

The present paper was worked out the Selection and Comparative Study of RP Technologies for Personalized Implant Manufacturing. Considering the higher accuracy as more significant parameter compared to the material efficiency, the high speed milling was selected as most appropriate for the femoral stem manufacturing. In order to validate the NC programs, a sample of the femoral stem was produced. From the validation it can be concluded that the NC programs is adequate and adapted the possibilities and the working area of the machine. It follows that the femoral stem could be manufactured from Ti6Al4V using these programs. © 2019 IEEE.

关键词： 3D printers

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Methodology for predicting and optimizing process parameters and accuracy indicators of complex plastic parts through virtual prototypes

Methodology for predicting and optimizing process parameters...

引用

2024 International Conference Automatics and Informatics, ICAI 2024

作者： Todorov, Todor Todorov, Georgi Sofronov, Yavor Fit Technical University of Sofia Laboratory CAD/CAM/CAE in Industry" Sofia Bulgaria

ISBN: (纸本)9798350353907

The work presented demonstrate a methodology for workflow from concept to prototype and timely production of a product which typically involves three main stages: product design and development, processing and construction of tooling, and validation of the virtual prototype with a physical one. The focus of this study will be on the second stage of product development. The aim of the study is to emphasize the integration of virtual prototyping in creating complex plastic parts, which improves the injection molding filling analysis. Simulating the mold filling process in injection molding, particularly for creating complex plastic products with minimal defect rates, presents significant challenges. Although cae software offers a wide range of options for optimization and filling analysis in injection molding, the complexity of the process means that a clear and well-defined methodology for studying it or for predicting and optimizing process parameters is lacking. © 2024 IEEE.

关键词： Injection molding

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Design and simulation of mould tools with multi-material structure for plastic injection moulding based on Additive Technology

Design and simulation of mould tools with multi-material str...

引用

2019 International Conference on Creative Business for Smart and Sustainable Growth, CreBUS 2019

作者： Todorov, Todor Todorov, Georgi Romanov, Borislav Laboratory cAD/CAM/CAE in Industry FIT. Technical University of Sofia Sofia Bulgaria

ISBN: (纸本)9781728134673

The work presented is a comparative analysis between a mould tool with multi-material and one with single-material structure by simulation of filling process. It is focused on benefits, accompanied by installing mould tools with multi-material structure. Defined are basic advantages and potentialities for design of such moulds. © 2019 IEEE.

关键词： Additives

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Hardware-accelerated web visualization of vector fields: Case study in oceanic currents

Hardware-accelerated web visualization of vector fields: Cas...

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International Conference on Computer Graphics Theory and Applications, GRAPP 2012 and International Conference on Information Visualization Theory and Applications, IVAPP 2012

作者： Aristizabal, Mauricio Congote, John Segura, Alvaro Moreno, Aitor Arregui, Harbil Ruiz, Oscar CAD/CAM/CAE Laboratory EAFIT University Medellin Colombia Vicomtech Research Center Donostia - San Sebastian Spain

ISBN: (纸本)9789898565020

Visualization of vector fields plays an important role in research activities nowadays. Increasing web applications allow a fast, multi-platform and multi-device access to data. As a result, web applications must be optimized in order to be performed heterogeneously as well as on high-performance as on low capacity devices. This paper presents a hardware-accelerated scheme for integration-based flow visualization techniques, based on a hierarchical integration procedure which reduces the computational effort of the algorithm from linear to logarithmic, compared to serial integration methodologies. The contribution relies on the fact that the optimization is only implemented using the graphics application programming interface (API), instead of requiring additional APIs or plug-ins. This is achieved by using images as data storing elements instead of graphical information matrices. A case study in oceanic currents is implemented.

关键词： Flow visualization

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Comparison Analysis Between Different Technologies for Manufacturing Patient-Specific Implants 1

引用

11th International Conference on Machine and Industrial Design in Mechanical Engineering, KOD 2021

作者： Todorov, Georgi Sofronov, Yavor Dimova, Krasimira FIT-Faculty of Industrial Technology Technical University of Sofia Sofia Bulgaria Laboratory "CAD/CAM/CAE in Industry" Sofia Bulgaria

ISBN: (数字)9783030884659

ISBN: (纸本)9783030884642

The demand for improved, fast and effective way to produce patients-specific implants has led to the developing new technologies in Implantology. The increasingly advanced development of methods for materialization of products used in Medicine allows the introduction of new materials with better characteristics and more efficient usage of the resources for manufacturing. The Virtual Prototyping and Rapid Prototyping technologies are used in the manufacturing process of the products such as personalized implants and prostheses, dental implants and joint implants, intervertebral discs, medical instruments and devices for fixation and guidance. Applying those technologies improves the process of designing and producing patient-specific implants. Actually, the goal of the process is to minimize the extra removal of tissues and to improve the precision of the process suggesting exact Prototyping technology for personal case. The research compares in few aspects the manufacturing technologies of cage type spinal implant. A patient-specific cage type implant is in the area of interest of the paper especially a comparison of the manufacturing technologies for producing it. © 2022, The Author(s), under exclusive license to Springer Nature Switzerland AG.

关键词： Industrial research

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Realtime Dense Stereo Matching with Dynamic Programming in CUDA 19

Realtime Dense Stereo Matching with Dynamic Programming in C...

引用

19th Spanish Computer Graphics Conference, CEIG 2009

作者： Congote, John Barandiaran, Javier Barandiaran, Iñigo Ruiz, Oscar EAFIT University CAD CAM CAE Laboratory Medellín Colombia VICOMTech Research Center San Sebastián Spain

ISBN: (纸本)9783905673722

Real-time depth extraction from stereo images is an important process in computer vision. This paper proposes a new implementation of the dynamic programming algorithm to calculate dense depth maps using the CUDA architecture achieving real-time performance with consumer graphics cards. We compare the running time of the algorithm against CPU implementation and demonstrate the scalability property of the algorithm by testing it on different graphics cards. © The Eurographics Association 2009.

关键词： Dynamic programming

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Interactive visualization of volumetric data with WebGL in real-time 11

Interactive visualization of volumetric data with WebGL in r...

引用

Proceedings of the 16th International Conference on 3D Web Technology

作者： Congote, John Segura, Alvaro Kabongo, Luis Moreno, Aitor Posada, Jorge Ruiz, Oscar EAFIT University CAD-CAM-CAE Laboratory Medellín Colombia Vicomtech. Research Cente Donostia - San Sebastian Spain

ISBN: (纸本)9781450307741

This article presents and discusses the implementation of a direct volume rendering system for the Web, which articulates a large portion of the rendering task in the client machine. By placing the rendering emphasis in the local client, our system takes advantage of its power, while at the same time eliminates processing from unreliable bottlenecks (e.g. network). The system developed articulates in efficient manner the capabilities of the recently released WebGL standard, which makes available the accelerated graphic pipeline (formerly unusable). The dependency on specially customized hardware is eliminated, and yet efficient rendering rates are achieved. The Web increasingly competes against desktop applications in many scenarios, but the graphical demands of some of the applications (e.g. interactive scientific visualization by volume rendering), have impeded their successful settlement in Web scenarios. Performance, scalability, accuracy, security are some of the many challenges that must be solved before visual Web applications popularize. In this publication we discuss both performance and scalability of the volume rendering by WebGL ray-casting in two different but challenging application domains: medical imaging and radar meteorology. © 2011 ACM.

关键词： Volume rendering

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Face reconstruction with structured light

Face reconstruction with structured light

引用

作者： Congote, John Barandiaran, Iñigo Barandiaran, Javier Nieto, Marcos Ruiz, Oscar Vicomtech Research Center Donostia - San Sebastian Spain CAD CAM CAE Laboratory EAFiT University Medellin Colombia

ISBN: (纸本)9789898425478

This article presents a methodology for reconstruction of 3D faces which is based on stereoscopic images of the scene using active and passive surface reconstruction. A sequence of Gray patterns is generated, which are projected onto the scene and their projection recorded by a pair of stereo cameras. The images are rectified to make coincident their epipolar planes and so to generate a stereo map of the scene. An algorithm for stereo matching is applied, whose result is a bijective mapping between subsets of the pixels of the images. A particular connected subset of the images (e.g. the face) is selected by a segmentation algorithm. The stereo mapping is applied to such a subset and enables the triangulation of the two image readings therefore rendering the (x,y,z) points of the face, which in turn allow the reconstruction of the triangular mesh of the face. Since the surface might have holes, bilateral filters are applied to have the holes filled. The algorithms are tested in real conditions and we evaluate their performance with virtual datasets. Our results show a good reconstruction of the faces and an improvement of the results of passive systems.

关键词： Surface reconstruction

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Advanced cad/cam Systems 1

引用

丛书名： IFIP Advances in Information and Communication Technology

1000年

作者： R. Soenen G. J. Olling

This book provides up-to-date information about the promising use of feature technology for integrating computer-aided-design with subsequent applications. The book consists of 20 articles based upon the internatio... 详细信息

ISBN: (数字)9780387348346

ISBN: (纸本)9780412617300

关键词： Engineering Design Artificial Intelligence

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