Suchergebnisse - "De Beer, D.J."

Insights Into Emissions and Exposures From Use of Industrial-Scale Additive Manufacturing Machines von Stefaniak, A.B, Johnson, A.R, du Preez, S, Hammond, D.R, Wells, J.R, Ham, J.E, LeBouf, R.F, Martin, S.B. Jr, Duling, M.G, Bowers, L.N, Knepp, A.K, de Beer, D.J, du Plessis, J.L

“… Background: Emerging reports suggest the potential for adverse health effects from exposure to emissions from some additive manufacturing (AM) processes. There …”
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Insights Into Emissions and Exposures From Use of Industrial-Scale Additive Manufacturing Machines von Stefaniak, A.B., Johnson, A.R., du Preez, S., Hammond, D.R., Wells, J.R., Ham, J.E., LeBouf, R.F., Martin, S.B., Duling, M.G., Bowers, L.N., Knepp, A.K., de Beer, D.J., du Plessis, J.L.

“… Emerging reports suggest the potential for adverse health effects from exposure to emissions from some additive manufacturing (AM) processes. There is a …”
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Additive manufacturing in South Africa: building on the foundations von Campbell, R.I., de Beer, D.J., Pei, E.

“… Purpose - In a previous Rapid Prototyping Journal paper, the authors reviewed the first decade of rapid prototyping (RP) use within the Republic of South …”
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PHYSICAL MODELLING OF TERRAIN DIRECTLY FROM SURFER GRID AND ARC/INFO ASCII DATA FORMATS von Modi, Y K, de Beer, D J, Agrawal, S

“… Additive manufacturing technology is used to make physical models of terrain using GIS surface data. Attempts have been made to understand several other GIS …”
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Anaesthetic mouthpiece development through QFD and customer interaction with functional prototypes von Booysen, G.J., Barnard, L.J., Truscott, M., de Beer, D.J.

“… Purpose - The paper reflects on the development of a medical product using rapid prototyping technologies and customer interaction through a quality function …”
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Rapid prototyping in South Africa: past, present and future von Campbell, R.I., de Beer, D.J.

“… Purpose - This paper aims to provide a comprehensive overview of the development of rapid prototyping (RP) within the Republic of South Africa (RSA).Design …”
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Accurate Determination of the Relative Density of SLM Additively Manufactured Parts von Kloppers, C.P., de Beer, D.J.

“… Additive manufacturing (AM) is a disruptive technology that provides design freedom, fast turnaround times, and a digital workflow. However, reliable …”
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Titanium powders used in powder bed fusion : their relevance to respiratory health von du Preez, S., De Beer, D.J., Du Plessis, J.L.

“… This study aimed to characterise three titanium powders used in powder bed fusion in terms of particle size, shape, and elemental composition for comparison …”
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Cost-effectiveness of direct metal laser sintered maraging steel inserts for plastic injection moulding process von Combrinck, J., Van As, B., Booysen, G.J., De Beer, D.J.

“… This paper describes an investigation into the possible heat transfer benefits of conformal cooling channels using maraging steel MS1 inserts, which could …”
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Establishing a Quality Management System for Production of Certified Customised Titanium Medical Implants through Additive Manufacturing von du Preez, W. B., de Beer, D. J., Booysen, G. J.

“… Various cases of medical implants produced through additive manufacturing (AM) in Ti6Al4V have been reported in literature. Not all manufacturing processes …”
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ADDITIVE MANUFACTURING FOR SUSTAINABLE CUSTOM-DESIGNED IMPLANTS von Booysen, G.J., van der Merwe, A.F., de Beer, D.J.

“… Additive manufacturing (AM) has proven to be an attractive alternative manufacturing process compared with subtractive manufacturing (SM). Additive …”
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A QUALITY ASSURANCE FRAMEWORK FOR SULPHONIC ACID-COATED SAND USED IN 3D PRINTING APPLICATIONS von van Tonder, Malan, de Beer, Deon Johan, Wichers, Harry

“… Die behoefte van maatskappye om 'n gehaltebestuur strategie aan te neem het onlangs noemenswaardig toegeneem as gevolg van globale mededinging en meer …”
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The effect of acetone as a post-production finishing technique on entry-level material extrusion part quality von Havenga, S.P., De Beer, D.J., Van Tonder, P.J.M., Campbell, R.I.

“… Entry-level material extrusion artefacts persistently suffer from questionable weakened end-product production quality, according to industrial standards …”
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Physical modelling of terrain directly from Surfer grid and ARC/INFO ASCII data formats : case study von Modi, Y.K., Agrawal, S., De Beer, D.J.

“… Additive manufacturing technology is used to make physical models of terrain using GIS surface data. Attempts have been made to understand several other GIS …”
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Physical properties of sand parts produced using a Voxeljet VX1000 three-dimensional printer von Nyembwe, K., Mashila, M., Gonya, E., Van Tonder, P.J.M., De Beer, D.J.

“… Successful case studies of metal casting applications using sand moulds and cores produced by additive manufacturing (AM) processes have been widely reported …”
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Evaluating the suitability of alumide tooling for injection moulding of different polymers von Combrinck, J., Van der Walt, J.G., Booysen, G.J., De Beer, D.J.

“… This paper describes the possibility of using laser-sintered Alumide ® as an alternative material for producing rapid tooling (RT) inserts. To determine the …”
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Implementing the South African Additive Manufacturing Technology Roadmap - the role of an Additive Manufacturing Centre of Competence von Du Preez, W.B., De Beer, D.J.

“… The Rapid Product Development Association of South Africa (RAPDASA) expressed the need for a national Additive Manufacturing Roadmap. Consequentially, the …”
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Direct metal laser sintering, using conformal cooling, for high volume production tooling von Van As, B., Combrinck, J., Booysen, G.J., De Beer, D.J.

“… Existing techniques to manufacture conventional tool steel inserts for the plastic injection moulding process are expensive and time-consuming. Complex mould …”
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PHYSICAL MODELLING OF TERRAIN DIRECTLY FROM SURFER GRID AND ARC/INFO ASCII DATA FORMATS von Modi, Y.K., De Beer, D.J., Agrawal, S.

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Evaluation of emissions and exposures at workplaces using desktop 3-dimensional printer von Stefaniak, A B, Johnson, A R, du Preez, S, Hammond, D R, Wells, J R, Ham, J E, LeBouf, R F, Menchaca, K W, Martin, Jr, S B, Duling, M G, Bowers, L N, Knepp, A K, Su, F C, de Beer, D J, du Plessis, J L

“… There is a paucity of data on additive manufacturing process emissions and personal exposures in real-world workplaces. Hence, we evaluated atmospheres in four …”
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