Zobrazeno 1 - 10
of 38
pro vyhledávání: '"Dimitri Dimitrov"'
Publikováno v:
The International Journal of Advanced Manufacturing Technology. 114:1833-1846
Additive manufacturing (AM) can be used to manufacture tool inserts with cooling channels conforming to the shape of the part to be produced. This results in shorter cycle times and improved quality. In the hot stamping industry, there is need to red
Publikováno v:
The International Journal of Advanced Manufacturing Technology. 102:2441-2450
The occurrence of residual stresses in selective laser melting (SLM) presents challenges that limit the capability of the process to manufacture parts at industrial scale. These stresses can have irreversible effects such as warping and cracking of p
Publikováno v:
The International Journal of Advanced Manufacturing Technology. 99:1993-2003
This paper investigates the behavior of titanium formability when forming under localized friction heating, caused by high tool rotation. In accordance with planned experiments, different process conditions at various tool rotations, feed rates, and
Publikováno v:
The International Journal of Advanced Manufacturing Technology. 96:3311-3319
The effects of tool rotation direction during single point incremental forming of pure titanium were experimentally studied. Axisymmetric components with a varying wall angle were formed using a round-tipped tool of 10 mm diameter and following a 3D
Publikováno v:
Procedia Manufacturing. 21:92-99
Residual stresses pose a major setback in Selective Laser Melting (SLM) and limit the applicability of the process, particularly from the standpoint of form accuracy and mechanical strength. The purpose of this paper is to investigate the influence o
Publikováno v:
Transportation Planning and Technology. 40:592-610
This paper models part of a public transport network (PTN), specifically, a bus route, as a small-size multi-agent system (MAS). The proposed approach is applied to a case study considering a ‘real world’ bus line within the PTN in Auckland, New
Autor:
Pieter Johannes Theron Conradie, Gert Adriaan Oosthuizen, Dimitri Dimitrov, Philip Hugo, Mike Saxer
Publikováno v:
Rapid Prototyping Journal. 23:624-632
Purpose The purpose of this paper is to investigate the combination of selective laser melting (SLM) and 5-axis CNC milling to produce parts from titanium powder. The aim is to achieve a more resource-efficient manufacturing process by reducing mater
Publikováno v:
Procedia Manufacturing. 7:701-707
The hot stamping process is beneficial in the production of parts with high strength and light weight properties. In hot stamping, the sheet metal is firstly heated and rapidly formed and cooled in a closed tool. One of the critical goals in research
Publikováno v:
Procedia Manufacturing. 7:345-350
This paper deals with a study focused on the single point incremental forming (SPIF) of titanium Grade 2 sheets. The direct impact of the sliding velocity of the forming tool on mechanical and thermal process loads was experimentally investigated. A
Autor:
Ludger Overmeyer, Gideon Levy, David L. Bourell, Dimitri Dimitrov, Tino Hausotte, Marion Merklein, Konrad Wegener, Frank Vollertsen, Michael Schmidt
Publikováno v:
CIRP Annals. 66:561-583
Additive manufacturing (AM) is pushing towards industrial applications. But despite good sales of AM machines, there are still several challenges hindering a broad economic use of AM. This keynote paper starts with an overview over laser based additi