New product development and production in extremely short terms–Safety goggles

G Todorov, Y Sofronov, B Romanov… - AIP Conference …, 2022 - pubs.aip.org
Normally the new product development (NPD) is a long process and consumes a lot of time.
The NPD is a multiple stage process, each of which require the usage of different methods …

Investigation of different FDM/FFF 3D printing methods for improving the surface quality of 3D printed parts

M Zagorski, Y Sofronov, D Ivanova… - AIP Conference …, 2022 - pubs.aip.org
This paper study presents an investigation of three different FDM/FFF 3D printing methods.
For the purposes of the study a 3D model of a part with cylindrical surfaces is built. The …

[PDF][PDF] Enhancing Tower Crane Stability through Mast Bracing and Finite Element Analysis

C Georgiev - Proceedings of the Technical University of …, 2024 - e-university.tu-sofia.bg
Tower cranes are indispensable assets in modern construction projects, facilitating heavy
lifting at towering heights exceeding 100 meters. However, their slender and lightweight …

[PDF][PDF] Approach for reverse engineering of complex geometry components

Y Sofronov, M Zagorski, G Todorov… - BulTrans, Sozopol …, 2019 - e-university.tu-sofia.bg
This paper study present an approach for part recognition, process known as “Reverse
engineering” using turbine blade component as an example. It has a complex geometrical …

Strategy for Shortened Manufacturing cycle of mold tool in extremely short terms

G Todorov, Y Sofronov, T Gavrilov… - 2020 XXX …, 2020 - ieeexplore.ieee.org
This article aims to consider a manufacturing cycle of parts in extremely short terms. As
example a mold tool for safety goggles was produced. It was a task assigned by the Ministry …

Study of Technological Chains for Rapid Prototyping of Orthodontic Dental Products

V Dukova, R Minev, E Yankov - … . RESOURCES. Proceedings of the …, 2023 - journals.rta.lv
The paper presents results from studying the possibilities of digital layering technologies
(DLP SLA-Digital Light Projector Stereolithography) for construction of biomedical …

[PDF][PDF] Fixed prosthetic constructionsmanufacturing technology–significance for their precision

H Galeva, I Taneva, R Radenkova - PROBLEMS OF DENTAL MEDICINE … - fdm.mu-sofia.bg
Introduction: To create prosthetic constructions using CAD/CAM technologies, there are
many options. The wide variety of production methods necessitates their thorough study and …

[PDF][PDF] CONSTRUCTION OF ORTHODONTIC APPLIANCES USING LAYERING TECHNOLOGIES3

VV Dukova, SLEH Yankov, DD Gospodinov - conf.uni-ruse.bg
This study describes a technological method for the construction of orthodontic brackets
using digital layering technologies (Stereolithography) and photopolymer resigns. A …