Bimetallic Micro-Punches for Micro-Blanking Processes

• Autorzy: Presz W. , Cacko R.

Identyfikatory

DOI

10.24425/118904

• Języki publikacji: EN

Abstrakty

EN

Rapid development of micro-machines, which partly needs metallic micro-parts, is nowadays a fact. A very promising way of micro-parts manufacturing is micro-blanking. For a quite complicated 2D shapes, like micro-gears, dies might be rather easy manufactured by wire-cutting. Production of micro-punches seems to be much more difficult. In this article a solution of manufacturing of micro-punches consisting of two components: punch body based on standard micro-punches and mechanically joined end – bimetallic micro-punch – is proposed. Joining process is based on the extrusion, after which a shaped end must be hardened and finally sharpened. Within this work an experimental stack-up equipped with a special measuring system and unique flexible micro-tools was developed. Simplified processes of bimetallic micro-punch manufacturing was completed as well as FEM analysis.

Słowa kluczowe

EN

microforming; micro-blanking; bimetallic micro-punches

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2018
• Tom: Vol. 63, iss. 1
• Strony: 29--34
• Opis fizyczny: Bibliogr. 16 poz., rys.

Twórcy

autor

Presz W.

• Warsaw University of Technology, Institute of Manufacturing Technology, 85 Narbutta Str., 02-524 Warszawa, Poland

autor

Cacko R.

• Warsaw University of Technology, Institute of Manufacturing Technology, 85 Narbutta Str., 02-524 Warszawa, Poland

Bibliografia

• [1] W. Presz, Scale effect in design of the pre-stressed micro-dies for microforming, Computer Methods in Material Science 16, 196-203 (2016).
• [2] W. Presz, M. Rosochowska, Application of semi-physical modeling of interface surface roughness in design of pre-stressed microforming dies, Int. Conf. on the Technology of Plasticity, ICTP 2017, Cambridge, U.K. Procedia Eng. 207, 1004-1009 (2017).
• [3] W. Presz, R. Cacko, Application of Complex Micro-die for Extrusion of Micro-rivets for Micro-joining, Conference Proceedings of the 26th International Conference on Metallurgy and Materials – Metal, 514-520 (2017).
• [4] W. Presz, B. Anderson, T. Wanheim, Piezoelectric driven Micro--press for microforming, AMME2006, Journal of Achievements in Materials and Manufacturing Engineering 18, 411-414, (2006).
• [5] J. Xu et al., Development of micro-forming system for micro-punching process of micro-hole arrays in brass foil, Journal of Material Processing Technology 212, 2238-2246 (2012).
• [6] W. Presz, A. Rosochowski, The influence of grain size on Surface quality of microformed components, The 9th Int. Conf. on Material Forming, ESAFORM 2006, Glasgow UK, 587-590 (2006).
• [7] M. Geiger et al., Microforming, CIRP Annals – Manufacturing Technology 50 (2), 445-462 (2001).
• [8] W. Presz, R. Cacko, Ultrasonic assisted microforming, Conference Proceedings of the 26th International Conference on Metallurgy and Materials – Metal, 521-526 (2017).
• [9] J. Xu, B. Guo, D. Shan, Size effects in micro blanking of metal foil with miniaturization, Int J Adv Manuf Technol, DOI 10.1007/s00170-011-3194-9.
• [10] S. Hildering et al., High-Precision Blanking of Thin Copper Foils Using Uncoated end Coated Monocrystalline Silicon Punches, 8th International Conference on Multi-Material Micro manufacture, (2011).
• [11] W. Presz, R. Cacko, Złożone mikrowyciskanie – miniaturyzacja i łączenie zabiegów w procesach obróbki plastycznej, Przegląd Mechaniczny, Polish, ISSN 0033-2259, 4, 32-38, (2014).
• [12] S. Shin-Hyung, C. Woo Chun, FEM Analysis on the Influence of Rounded Tool Edge on Micro-Blanking of Thin Foil with Negative Clearence, Int. J. of Prec. Eng. and Man. 16 (6) 1101-1105 (2015).
• [13] L. Olejnik, W. Presz, A. Rosochowski, Backward Extrusion using Micro-Blanked Aluminum Sheet, The 12th Int. Conf. ESAFORM, (2009).
• [14] W. Presz, R. Cacko, Analysis of quality of the micro-clinched joint – initial approach, 3rd Int. Lower Silesia – Saxony Conf. – Advanced Metal Forming Processes in Automotive Industry – AutoMetForm, 565-571, (2012).
• [15] W. Presz, R. Cacko, Influence of Micro-Rivet Manufacturing Process on Quality of Micro-Joint, 14th International Conference on Material Forming Esaform 2011, Book Series: AIP Conference Proceedings 1353, 541-546 (2011).
• [16] W. Presz., R. Cacko, Analysis of the influence of a rivet yield stress distribution on the micro-SPR joint - initial approach, Archives of Civil and Mechanical Engineering 10, 4, 69-75 (2010).

Uwagi

EN

1. This work has been done under scientific project N508158773, financed by National Science Centre–Poland.

PL

2. Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).