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Relevant bibliographies by topics / Metal stamping

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Academic literature on the topic 'Metal stamping'

Author: Grafiati

Published: 4 June 2021

Last updated: 28 July 2024

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Journal articles on the topic "Metal stamping"

1

Pačák, Tomáš, Martin Kubelka, František Tatíček, and Tomáš Pilvousek. "The Methodology for Determining the Springback of Large Metal Stampings." Key Engineering Materials 635 (December 2014): 151–56. http://dx.doi.org/10.4028/www.scientific.net/kem.635.151.

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In the stamping operation, springback causes geometrical inaccuracies and defects in final shape of metal stampings. This defect is actual problem in stamping production. Nowadays the detailed description of the springback is not clarified well regarding production of more complicated shape. To eliminate springback problem in stamping production there are methods, discovered and approved by advanced procedures. However applying these methods, particularly in drawing operations is much more complicated. The research describes theoretical analysis of springback phenomenon and possible experiments for the springback compensation. The research also describes analysis of springback using software for numerical simulation AutoFormplus R5 which is currently used to design the process of stamping production in company ŠKODA AUTO.

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Wang, Xuan Zhi, and Syed H. Masood. "A Study on Tool Wear of Sheet Metal Stamping Die Using Numerical Method." Materials Science Forum 654-656 (June 2010): 346–49. http://dx.doi.org/10.4028/www.scientific.net/msf.654-656.346.

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Advanced high strength steels (AHSS) are increasingly used in sheet metal stamping in the automotive industry. In comparison with conventional steels, advanced high strength steel (AHSS) stampings produce higher contact pressures at the interface between draw die and sheet metal blank, resulting in more severe wear conditions, particularly at the draw die radius. The prediction of tool wear patterns for sheet metal stamping die is a highly challenging task as there are many control parameters involved in the production. This paper presents a numerical simulation methodology to analyse the influences of various control parameters on tool wear patterns of a sheet metal stamping die with different die radius arc profiles. The results of tool wear patterns provide informative guidelines for on-site production.

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Grocholski, Brent. "Stamping hydrogen into metal." Science 355, no. 6326 (February 16, 2017): 706.4–706. http://dx.doi.org/10.1126/science.355.6326.706-d.

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Baluch, Nazim, Nordin Norani, and Shahimi Mohtar. "AHSS Auto Structural Metal Stampings: Crucial Role of Lubricant." Applied Mechanics and Materials 590 (June 2014): 289–93. http://dx.doi.org/10.4028/www.scientific.net/amm.590.289.

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To improve crash worthiness and fuel economy, the automotive industry is, increasingly, using Advanced High Strength Steel (AHSS). However, in recent years, stampers, particularly those serving the automotive industry, have begun to face new challenges related to the increased use of AHSS. Stamping AHSS can push the capability limits of some lubricants and often cause lubricant film break down and galling thereby increasing scrap rate and tool maintenance cost. This paper discusses the advantages of AHSS in auto metal stampings, highlights the new challenges faced by stampers, and delineates the exigency of draw lubricant in producing high quality auto stampings from AHSS.

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Luo, Zhi Gao, Jun Li Zhao, Xu Dong Li, Jing Jing Zhang, and Ying Qing Shao. "FEM Simulation of Metal Drawing Parts Forming Based on the ABAQUS Software." Advanced Materials Research 628 (December 2012): 123–27. http://dx.doi.org/10.4028/www.scientific.net/amr.628.123.

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In this paper, metal stamping deep drawing forming process was simulated by Abaqus software. first of all, metal deep drawing forming for finite element modeling and analysis. Then the simulation results of drawing parts metal forming were analyzed. Include the analysis of stress-strain changes over time and the most serious regional. To determine the position easy to crack in the process of metal drawing parts stamping. Finally, by stamping test to verify the position of the cracks by punching test whether compliance with the simulation results. Verify the accuracy of the Abaqus software in the process of stamping simulation. Verify the accuracy of the Abaqus software simulation in metal forming processes.

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Čada, Radek, and Petr Tiller. "Evaluation of Draw Beads Influence on Intricate Shape Stamping Drawing Process." Technological Engineering 11, no. 1 (December 1, 2014): 5–10. http://dx.doi.org/10.2478/teen-2014-0001.

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Abstract Paper concerns evaluation of influence of shape, size and location of rectangular and semicircular draw beads on sheet-metal forming process. For analysis the simulations of forming process of selected two types of intricate shape stampings with similar ground plan and with approximately the same height from steel strip DC04 with the use of models of optimal blanks made by BSE (Blank Size Engineering) modul of simulation program Dynaform 5.7 were carried out. From simulations of forming process in simulation program Dynaform 5.7 followed that the most suitable is drawing without use of draw beads because cracks in stamping bottom corners do not arise. In the case of undesirable secondary waviness in the walls of intricate shape stamping the drawing with draw beads could be used but it would be necessary to increase the radius at the bottom of both stampings alternatively to choose another material with higher formability.

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Jiahao, Feng, Guo Pengyan, He Cunwu, and Liu Chengwei. "Parametric Analysis on Formability of SS304 Metal Bipolar Plate with Wave Flow Field Structure." Journal of Engineering Research and Reports 26, no. 1 (January 12, 2024): 62–78. http://dx.doi.org/10.9734/jerr/2024/v26i11063.

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The main production method of metal bipolar plate is stamping, and the size parameters of the flow field structure can not only change the performance of the fuel cell, but also affect the stamping quality of the metal bipolar plate. In the case of ensuring the performance of the fuel cell, it is necessary to study the stamping of the metal bipolar plate with different flow field structures. In the past, there were few studies on the wave flow field stamping forming. This paper analyzed the wave flow field, formulated several sets of bipolar plate structural dimension parameters, and evaluated the stamping forming quality of the reaction zone of SS304 metal bipolar plate through finite element simulation. By reducing the rib height ΔH=0.075mm in the corner part, the maximum thinning rate can be reduced from 34.833% to 24.689% and the thickness can reach 0.0753mm when the flow channel width S=1.0mm, the rib width W=1.5mm and the forming depth H=0.5mm. It provides some guidance for optimizing the structural dimension parameters of metal bipolar plates.

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Chen, Wei, Ke Pan, Ming Yan Wu, Zhong Fu Huang, and Feng Ze Dai. "The Investigation of Multi-Stage Sheet Metal Stamping Process for Deep Drawing." Advanced Materials Research 189-193 (February 2011): 2675–79. http://dx.doi.org/10.4028/www.scientific.net/amr.189-193.2675.

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Based on empirical analysis and FEA modeling of multi-stage sheet metal stamping, the optimal sheet metal stamping process can be supplied. Concurrently, the effects of process parameters on formability are found by numerical simulation. Taking an example of deep drawing part, the results got from the numerical simulation are compared with experimental results, which proves that finite element analysis (FEA) is effective and accurate in optimizing the process design of multi-stage sheet metal progressive stamping.

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Shang, Jianhui, and Glenn Daehn. "Electromagnetically assisted sheet metal stamping." Journal of Materials Processing Technology 211, no. 5 (May 2011): 868–74. http://dx.doi.org/10.1016/j.jmatprotec.2010.03.005.

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Arief, Rudi Kurniawan, Qomarotun Nurlaila, and Armila Armila. "Comparative Study of Conventional and Quick Die Change Stamping Process: The Issue of Setup Time and Storage." International Journal of Engineering Materials and Manufacture 3, no. 4 (December 1, 2018): 216–23. http://dx.doi.org/10.26776/ijemm.03.04.2018.06.

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Metal stamping industry has Quick Die Change (QDC) as a form of Single Minutes Exchange of Dies (SMED) as an efficient production technique where the implementation depends on operator’s activities, clamping system, accessories type and position, etc. This QDC could apply to improve the process efficiency, control of inventory and reducing the cost. This research compared the traditional metal stamping process and QDC System (QDCS) of metal stamping. This research was using Focused Group Discussion (FGD), direct observation and experiments, conducted in a private metal stamping company in wider Jakarta region of Indonesia. It was observed that the QDCS significantly reduces setup time, storage space and the cost. The setup time and cost reduced to one third of the conventional and the requirement of storage decreased by 70%. In addition, QDCS reduces the waste significantly.

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Dissertations / Theses on the topic "Metal stamping"

1

Shang, Jianhui. "Electromagnetically assisted sheet metal stamping." Columbus, Ohio : Ohio State University, 2006. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1158682908.

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Fenn, Ralph Christian. "Closed-loop control of forming stability during metal stamping." Thesis, Massachusetts Institute of Technology, 1989. http://hdl.handle.net/1721.1/13966.

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Palaniswamy, Hariharasudhan. "Determination of process parameters for stamping and sheet hydroforming of sheet metal parts using finite element method." Columbus, Ohio : Ohio State University, 2007. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1195621470.

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Tatipala, Sravan, and Nikshep Reddy Suddapalli. "Integrated Blankholder Plate for Double Action Stamping Die." Thesis, Blekinge Tekniska Högskola, Institutionen för maskinteknik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-12149.

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A blankholder is used to hold the edges of metal sheet while it is being formed by a matrix and a punch. An efficient way to design a stamping die is to integrate the blankholder plate into the die structure. This would eliminate the time and cost to manufacture blankholder plates. The integrated structure is called integrated blankholder. The main focus of this thesis is structural analysis and optimization of the integrated blankholder. The structural analysis of the integrated blankholder model (used for the production of doors of Volvo car model V70) is performed using Hypermesh and Abaqus. The FE-results were compared with the analytical calculations of the fatigue limit. To increase the stiffness and reduce the stress levels in the integrated blankholder, topology and shape optimization is performed with Optistruct. Thereafter, a CAD model is set up in Catia based on the results of optimization. Finally, structural analysis of this CAD model is performed and the results are compared with the original results. The results show reduction in stress levels by 70% and a more homogeneous stress distribution is obtained. The mass of the die is increased by 17 % and in overall, a stiffer die is obtained. Based on the simulations and results, discussion and conclusions are formulated.

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Goniwe, Nicholas Sandisile. "Simulation of a multi-stage forming process to investigate failure in the formed part." Thesis, Cape Peninsula University of Technology, 2016. http://hdl.handle.net/20.500.11838/2518.

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Thesis (MTech (Mechanical Engineering))--Cape Peninsula University of Technology, 2016.
The purpose of this study is the optimisation of the stamping analysis process in order to investigate the possible reasons for the part failure. (Altan & Vasquez, 2000) have conducted similar research to optimise a forming process. However, they focussed on dies for a forging process and in this study, we are looking at cold forming and this study is also different in that we are trying to reduce the number of stages while maintaining the formability. Formability is based on the dimensional conformance of the final part with additional criteria being the thinning, appearance of wrinkling, dynamic effects leading to the localisation of strain, cracking and residual stress. A numerical modelling procedure that is close enough to the real process is used to investigate the effects of changes in the frictional contact that would correspond to lubrication and also the effect of adding draw beads to the forming tools to change the frictional contact. We also investigated the effect of using a different material in terms of meeting the design requirements. Experimental results for comparison are available for certain of the stamping processes investigated that were tested in pre-production. The finite element simulation is used to account for all residual thinning, stress and strain of the multi-stage forming process to ensure optimum thickness changes of the sheet at each stage. The variations of material and manufacturing parameters are established to accurately predict the behaviour of this specific forming process. The material model required to meet physical experiments is deduced from the results of standard tensile tests and fitted to the Hill’s 48 Law for Work Hardening. The commercial packages Ls-Dyna with Dynaform and Pam-Stamp software are used for the simulation to produce 2 results for comparison.

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6

Subramonian, Soumya. "Evaluation of Lubricants for Stamping Deep Draw Quality Sheet Metal in Industrial Environment." The Ohio State University, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=osu1259094400.

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de, Ruyter Adam, and mikewood@deakin edu au. "Towards development of a quality cost model for automotive stamping." Deakin University. School of Engineering and Technology, 2002. http://tux.lib.deakin.edu.au./adt-VDU/public/adt-VDU20060803.123754.

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The current work used discrete event simulation techniques to model the economics of quality within an actual automotive stamping plant. Automotive stamping is a complex, capital intensive process requiring part-specific tooling and specialised machinery. Quality control and quality improvement is difficult in the stamping environment due to the general lack of process understanding and the large number to interacting variables. These factors have prevented the widespread use of statistical process control. In this work, a model of the quality control techniques used at the Ford Geelong Stamping plant is developed and indirectly validated against results from production. To date, most discrete event models are of systems where the quality control process is clearly defined by the rules of statistical process control. However, the quality control technique used within the stamping plant is for the operator to perform a 100% visual inspection while unloading the finished panels. In the developed model, control is enacted after a cumulative count of defective items is observed, thereby approximating the operator who allows a number of defective panels to accumulate before resetting the line. Analysis of this model found that the cost sensitivity to inspection error is dependent upon the level of control and that the level of control determines line utilisation. Additional analysis of this model demonstrated that additional inspection processes would lead to more stable cost structures but these structures many not necessarily be lower cost. The model was subsequently applied to investigate the economics of quality improvement. The quality problem of panel blemishes, induced by slivers (small metal fragments), was chosen as a case stuffy. Errors of 20-30% were observed during direct validation of the cost model and it was concluded that the use of discrete event simulation models for applications requiring high accuracy would not be possible unless the production system was of low complexity. However, the model could be used to evaluate the sensitivity of input factors and investigating the effects of a number of potential improvement opportunities. Therefore, the research concluded that it is possible to use discrete event simulation to determine the quality economics of an actual stamping plant. However, limitations imposed by inability of the model to consider a number of external factors, such as continuous improvement, operator working conditions or wear and the lack of reliable quality data, result in low cost accuracy. Despite this, it still can be demonstrated that discrete event simulation has significant benefits over the alternate modelling methods.

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8

Yadav, Ajay D. "Process Analysis and Design in Stamping and Sheet Hydroforming." The Ohio State University, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=osu1210952822.

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9

Pilthammar, Johan. "Elastic Press and Die Deformations in Sheet Metal Forming Simulations." Licentiate thesis, Blekinge Tekniska Högskola, Institutionen för maskinteknik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-15481.

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Never before has the car industry been as challenging, interesting, and demanding as it is today. New and advanced techniques are being continuously introduced, which has led to increasing competition in an almost ever-expanding car market. As the pace and complexity heightens in the car market, manufacturing processes must advance at an equal speed. An important manufacturing process within the automotive industry, and the focus of this thesis, is sheet metal forming (SMF). Sheet metal forming is used to create door panels, structural beams, and trunk lids, among other parts, by forming sheets of metal in press lines with stamping dies. The SMF process has been simulated for the past couple of decades with finite element (FE) simulations, whereby one can predict factors such as shape, strains, thickness, springback, risk of failure, and wrinkles. A factor that most SMF simulations do not currently include is the die and press elasticity. This factor is handled manually during the die tryout phase, which is often long and expensive. The importance of accurately representing press and die elasticity in SMF simulations is the focus of this research project. The research objective is to achieve virtual tryout and improved production support through SMF simulations that consider elastic die and press deformations. Loading a die with production forces and including the deformations in SMF simulations achieves a reliable result. It is impossible to achieve accurate simulation results without including the die deformations. This thesis also describes numerical methods for optimizing and compensating tool surfaces against press and die deformations. In order for these compensations to be valid, it is imperative to accurately represent dies and presses. A method of measuring and inverse modeling the elasticity of a press table has been developed and is based on digital image correlation (DIC) measurements and structural optimization with FE software. Optimization, structural analysis, and SMF simulations together with experimental measurements have immense potential to improve simulation results and significantly reduce the lead time of stamping dies. Last but not least, improved production support and die design are other areas that can benefit from these tools.
Aldrig tidigare har bilindustrin varit så utmanande, intressant och spännande som idag. Ny och avancerad teknik introduceras i en allt snabbare takt vilket leder till ständigt ökande konkurrens på en, nästan ständigt, ökande bilmarknad. Den ständigt ökande komplexiteten ställer även krav på tillverkningsprocesserna. En viktig process, som denna licentiatuppsats fokuserar på, är pressning av plåt. Tillverkningstekniken används för att forma plåtar till dörrpaneler, strukturbalkar, motorhuvar, etc. Plåtar formas med hjälp av pressverktyg monterade i plåtformningspressar. Plåtformningsprocessen simuleras sedan ett par decennium tillbaka med Finita Element (FE) simuleringar. Man kan på så sätt prediktera form, töjningar, tjocklek, återfjädring, rynkor, risk för försträckning och sprickor m.m. En faktor som för tillfället inte inkluderas i näst intill alla plåtformningssimuleringar är elastiska press- och verktygsdeformationer. Detta hanteras istället manuellt under, den oftast långa och dyra, inprovningsfasen. Detta projekt har visat på vikten av att representera press och verktygsdeformationer i plåtformningssimuleringar. Detta demonstreras genom en analys av ett verkligt pressverktyg som belastas med produktionskrafter. Det är inte möjligt att uppnå bra simuleringsresultat utan att inkludera verktygsdeformationer i simuleringsmodellen. Uppsatsen beskriver även numeriska metoder för att optimera och kompensera verktygsytor mot press och verktygsdeformationer. För att dessa kompenseringar ska stämma är det viktigt att man representerar både verktyg och press på ett korrekt sätt. Förslag på en metod för att mäta och inversmodellera pressdeformationer har utvecklats, metoden är baserad på mätningar med DIC-systemet ARAMIS och optimering i FE-mjukvaror. Optimering, strukturanalys, och plåtformningsanalys tillsammans med experimentella mätningar har en stor potential att förbättra plåtformningssimuleringar samt reducera ledtiden för pressverktyg. Sist men inte minst, andra positiva effekter är en enklare och smidigare konstruktionsprocess och förbättrad produktionssupport.

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Billur, Eren. "Fundamentals and Applications of Hot Stamping Technology for Producing Crash-Relevant Automotive Parts." The Ohio State University, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=osu1366243664.

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Books on the topic "Metal stamping"

1

Engineers, Society of Automotive, and SAE International Congress & Exposition (1999 : Detroit, Mich.), eds. Advances in sheet metal stamping. Warrendale, PA: Society of Automotive Engineers, 1999.

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Sheet Metal and Stamping Symposium (1993 Detroit, Mich.). Sheet Metal and Stamping Symposium. Warrendale, PA: The Society, 1993.

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Engineers, Society of Automotive, and SAE International Congress & Exposition (1997 : Detroit, Mich.), eds. Sheet metal stamping: Development applications. Warrendale, PA: Society of Automotive Engineers, 1997.

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Ohio. Bureau of Workers' Compensation, ed. Safety works for metal stamping and sheet metal: A resource guide for the metal stamping and sheet metal industries. [Columbus?]: Ohio Bureau of Workers' Compensation, 2002.

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Lim, Yongseob, Ravinder Venugopal, and A. Galip Ulsoy. Process Control for Sheet-Metal Stamping. London: Springer London, 2014. http://dx.doi.org/10.1007/978-1-4471-6284-1.

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Engineers, Society of Automotive, and SAE International Congress & Exposition (1996 : Detroit, Mich.), eds. Sheet metal stamping for automotive applications. Warrendale, PA: Society of Automotive Engineers, 1996.

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Dronov, I. R. Stendovai͡a︡ obrabotka detaleĭ davleniem. Moskva: "Mashinostroenie", 1989.

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Pavlov, V. A., L. A. Barkov, and B. A. Chaplygin. Mashiny i tekhnologii︠a︡ obrabotki materialov davleniem: Sbornik nauchnykh trudov. Cheli︠a︡binsk: I︠U︡zhno-Uralʹskiĭ gos. universitet, 1999.

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I, Isachenkov E., Obshchestvo "Znanie" RSFSR, and Moskovskiĭ dom nauchno-tekhnicheskoĭ propagandy imeni F.Ė. Dzerzhinskogo., eds. Listovai͡a︡ i gori͡a︡chai͡a︡ obʺemnai͡a︡ shtampovka: Materialy seminara. Moskva: MDNTP im. F.Ė. Dzerzhinskogo, 1991.

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P, I͡A︡kovlev S., and Tulʹskiĭ politekhnicheskiĭ institut, eds. Issledovanii͡a︡ v oblasti teorii, tekhnologii i oborudovanii͡a︡ shtampovochnogo proizvodstva: Sbornik nauchnykh trudov. Tula: Tulʹskiĭ politekhn. in-t, 1990.

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Book chapters on the topic "Metal stamping"

1

Lim, Yongseob, Ravinder Venugopal, and A. Galip Ulsoy. "Recent Advances in Stamping Control." In Process Control for Sheet-Metal Stamping, 23–39. London: Springer London, 2013. http://dx.doi.org/10.1007/978-1-4471-6284-1_3.

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Geiger, Manfred, Marion Merklein, and Cornelia Hoff. "Basic Investigations on the Hot Stamping Steel 22MnB5." In Sheet Metal 2005, 795–804. Stafa: Trans Tech Publications Ltd., 2005. http://dx.doi.org/10.4028/0-87849-972-5.795.

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Abe, Y., J. Watanabe, and Kenichiro Mori. "Stamping of One-Piece Automobile Steel Wheels from Tube." In Sheet Metal 2007, 427–33. Stafa: Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-437-5.427.

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Lim, Yongseob, Ravinder Venugopal, and A. Galip Ulsoy. "Introduction." In Process Control for Sheet-Metal Stamping, 1–10. London: Springer London, 2013. http://dx.doi.org/10.1007/978-1-4471-6284-1_1.

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Lim, Yongseob, Ravinder Venugopal, and A. Galip Ulsoy. "Equipment and Material Flow Control." In Process Control for Sheet-Metal Stamping, 11–22. London: Springer London, 2013. http://dx.doi.org/10.1007/978-1-4471-6284-1_2.

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Lim, Yongseob, Ravinder Venugopal, and A. Galip Ulsoy. "Machine Control." In Process Control for Sheet-Metal Stamping, 41–51. London: Springer London, 2013. http://dx.doi.org/10.1007/978-1-4471-6284-1_4.

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Lim, Yongseob, Ravinder Venugopal, and A. Galip Ulsoy. "Laboratory Development of Process Control." In Process Control for Sheet-Metal Stamping, 53–64. London: Springer London, 2013. http://dx.doi.org/10.1007/978-1-4471-6284-1_5.

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Lim, Yongseob, Ravinder Venugopal, and A. Galip Ulsoy. "Process Control." In Process Control for Sheet-Metal Stamping, 65–85. London: Springer London, 2013. http://dx.doi.org/10.1007/978-1-4471-6284-1_6.

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Lim, Yongseob, Ravinder Venugopal, and A. Galip Ulsoy. "Auto-Tuning and Adaptive Control." In Process Control for Sheet-Metal Stamping, 87–107. London: Springer London, 2013. http://dx.doi.org/10.1007/978-1-4471-6284-1_7.

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Lim, Yongseob, Ravinder Venugopal, and A. Galip Ulsoy. "Direct and Indirect Adaptive Process Control." In Process Control for Sheet-Metal Stamping, 109–31. London: Springer London, 2013. http://dx.doi.org/10.1007/978-1-4471-6284-1_8.

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Conference papers on the topic "Metal stamping"

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ČADA, Radek, and Tomáš PEKTOR. "DEsign of stamping drawing technology from thin sheet." In METAL 2022. TANGER Ltd., 2022. http://dx.doi.org/10.37904/metal.2022.4474.

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He, F. "Investigation of the influence of workpiece-side parameters on the layer formation of zinc-coated boron-manganese steel." In Sheet Metal 2023. Materials Research Forum LLC, 2023. http://dx.doi.org/10.21741/9781644902417-53.

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Abstract. The hot stamping process has been established as a technology for the production of ultrahigh-strength steel parts for safety-relevant components in lightweight construction for the automotive sector. Thanks to the reduced overall thickness combined with high tensile strength, it is possible to realize lightweight design concepts with improved crash behavior. Boron-manganese steels are usually used for this purpose. Due to initial process temperatures above 800 °C, hot stamping is considered a lubricant-free process. In addition to high friction and wear in the process, surface scaling and the need for tool repairs are the result. In light of these phenomena, hot stamping materials are coated to protect them from corrosion. Until now, aluminum-silicon-based coatings have been primarily used for the direct hot stamping route. While zinc-based coatings have so far mainly found usage in the indirect process route, they are now also become a valid alternative for the direct process route. In previous investigations, a significant influence of workpiece-side parameters on the formation of the coating during the austenitization process was found for aluminum-silicon (AlSi) coatings. In light of this, a similarly significant influence is suspected for zinc-based coatings. The parameters heating rate, furnace temperature and dwell time in the furnace and the effect on the coating formation of zinc-coated 20MnB8 during austenitization will be investigated. The resulting findings will form the basis for further experiments to investigate the influence of the parameters on friction and wear in the industry near strip drawing tests.

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Brun, M. "Friction behavior under magnetorheological lubricant in sheet metal forming process." In Sheet Metal 2023. Materials Research Forum LLC, 2023. http://dx.doi.org/10.21741/9781644902417-35.

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Abstract. The increasingly high standards required in sheet metal forming industry, both geometrical and aesthetical, lead to continuous search of solutions to control the metal sheet flow during deformation. As alternative to traditional draw beads or hydraulically controlled segmented dies, the possibility of locally varying the material tangential speed by adapting the surface tribology at the interface between the blank and the blank holder represents a still unexplored scenario. The paper presents the feasibility analysis of the use of magneto-rheological (MR) fluids as lubricants in stamping, exploiting their ability to vary their rheological behaviour in response to external magnetic fields. To this aim, a new strip drawing test bench was developed to investigate the friction behaviour of MR fluids under different magnetic fields. The cold stamping of DC05 steel sheet was taken as reference case to investigate the influence of typical process parameters such as contact pressure, sliding speed and magnetic field.

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Nakamachi, Eiji, and Robert H. Wagoner. "Development of FEM for Sheet Metal Stamping." In SAE International Congress and Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1988. http://dx.doi.org/10.4271/880528.

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Xu, S. G., M. L. Bohn, and K. J. Weinmann. "Drawbeads in Sheet Metal Stamping - A Review." In International Congress & Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1997. http://dx.doi.org/10.4271/970986.

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Reinberg, Natalia, Ryan Murray, Sindi Ascencio Barrera, Cristina Pineda Carranza, and Sergey Golovashchenko. "Characterizing Galling Conditions in Sheet Metal Stamping." In WCX SAE World Congress Experience. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2024. http://dx.doi.org/10.4271/2024-01-2856.

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<div class="section abstract"><div class="htmlview paragraph">Multiple experimental studies were performed on galling intiation for variety of tooling materials, coatings and surface treatments, sheet materials with various surface textures and lubrication. Majority of studies were performed for small number of samples in laboratory conditions. In this paper, the methodology of screening experiment using different combinations of tooling configurations and sheet material in the lab followed by the high volume small scale U-bend performed in the progressive die on the mechanical press is discussed. The experimental study was performed to understand the effect of the interface between the sheet metal and the die surface on sheet metal flow during stamping operations. Aluminum sheet AA5754 2.5mm thick was used in this experimentation. The sheet was tested in laboratory conditions by pulling between two flat insert with controllable clamping force and through the drawbead system with variable radii of the female bead. Comparing pulling forces during sheet metal flow through the testing setup provides information on flow resistance along the interface between the sheet and the tool surfaces. Onset of galling can be detected by the growth of the pulling force. In addition, it is defined by measurement of the surface of the tool and the scratches on the surface of the samples. Typical galling is seen as lines of sheet material deposit on the surface of the die parallel to the sheet material sliding. Most of galling is observed in the areas where lubricant can be forced out of the contact zone, such as edges of the strip, die entry radii or female bead radius.</div></div>

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BEHRENS, Bernd-Arno, Kai BRUNOTTE, Hendrik WESTER, and Felix MÜLLER. "Practical process characterisation for hot-stamping regarding the heat transfer coefficient using a numerical and experimental coupled method." In METAL 2020. TANGER Ltd., 2020. http://dx.doi.org/10.37904/metal.2020.3522.

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BEHRENS, Bernd-Arno, Alexander CHUGREEV, Masood JALANESH, Kai WÖLKI, and Florian BOHNE. "Parametrisation of a numerical model for a partial heating strategy used to evaluate a masking concept of a hot stamping process." In METAL 2019. TANGER Ltd., 2019. http://dx.doi.org/10.37904/metal.2019.684.

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Balakrishnan, Praveen Balaj, Sathya Dev, Deepak Bhuyan, Parvez Syed, and Sarin Babu Thokala. "Die Wear Estimation in Automotive Sheet Metal Stamping." In SAE 2013 World Congress & Exhibition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2013. http://dx.doi.org/10.4271/2013-01-1171.

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Fu, Zhengchun, Ping Hu, Hui-Ping Wang, and Kunmin Zhao. "Design of a Stamping Test for Investigating Surface Distortion in Sheet Metal Parts." In ASME 2008 International Manufacturing Science and Engineering Conference collocated with the 3rd JSME/ASME International Conference on Materials and Processing. ASMEDC, 2008. http://dx.doi.org/10.1115/msec_icmp2008-72478.

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Surface distortions/deflections are frequently introduced into the Class “A” surfaces during sheet metal stamping processes. However, the origins of the draw die related surface distortion/deflection have not been well understood. This paper presents our design of a stamping test for the investigation of the distortion phenomenon. Five geometric parameters are first identified to represent basic geometry of typical automobile outer panel depression features around the surface distortions. Experimental stamping dies are then designed to reflect various combinations of these five geometric parameters with the assistance of numerical simulations to ensure that the designed dies are able to replicate the surface distortion phenomenon. Also, real-time dynamic measurement techniques are designed to collect historical data of strains and deflection on the stamping panels. Our preliminary tryouts show that the designed stamping test successfully replicates the distortion phenomenon observed in production stamping processes. It provides a platform for the investigation of the root-cause of the draw die related surface distortions.

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Reports on the topic "Metal stamping"

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Love, Lonnie J., Mark W. Noakes, Andrzej Nycz, Christopher J. Masuo, and Katherine T. Gaul. Large-Scale Metal AM for Stamping Dies. Office of Scientific and Technical Information (OSTI), June 2018. http://dx.doi.org/10.2172/1454391.

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Nycz, Andrzej, Mark Noakes, Luke Meyer, Chris Masuo, Derek Vaughan, Lonnie Love, and Mike Walker. Large Scale Metal Additive Manufacturing for Stamping Dies. Office of Scientific and Technical Information (OSTI), August 2022. http://dx.doi.org/10.2172/1883756.

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Mwebe, Robert, Chester Kalinda, Ekwaro A. Obuku, Eve Namisango, Alison A. Kinengyere, Moses Ocan, Ann Nanteza, Savino Biryomumaisho, and Lawrence Mugisha. Epidemiology and effectiveness of interventions for Foot and Mouth Disease in Africa: A protocol for systematic review and meta-analysis. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, November 2022. http://dx.doi.org/10.37766/inplasy2022.11.0039.

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Review question / Objective: What is the epidemiology and effectiveness of control measures for foot and mouth disease in African countries?’ PICOS: Description of elements Population/ problem/Setting: Artiodactyla (cloven ungulates), domestic (cattle, sheep, goats, and pigs), camels and wildlife (buffaloes, deer, antelope, wild pigs, elephant, giraffe, and camelids) affected by Foot and Mouth Disease (FMD) or Hoof and Mouth Disease (HMD) caused by the Foot and Mouth Disease Virus (FMDV) in Africa. Intervention: Prevention measures: vaccination, ‘biosafety and biosecurity’, sensitization of the public. Control measures: quarantine, movement control, closure of markets and stock routes, mouth swabbing of animals with infected materials (old technique that is no long applicable), culling, mass slaughter, stamping out and any other interventions or control measures generally accepted by the ‘community of practice’ of animal health practitioners. Comparator: areas that did not have any control activities for FMD, in head-to-head comparisons in the same study. Outcome: epidemiological outcomes: incidence, prevalence, patterns or trends, clinical symptoms, and risk factors. Effectiveness outcomes: success, and usefulness of the interventions measured as averted deaths, illness and infections, and costs associated with the interventions (cost–effectiveness). Study design: epidemiological designs include cohort design for incidence, cross sectional for prevalence and case-control for clinical symptoms and risk factors. Interventional designs include randomized controlled trials, cluster randomized trials, quasi-experimental designs – controlled before and after, interrupted time series, [regression discontinuity design, difference-in-difference, and propensity score matching]. Timelines: 1900 – 2022.

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