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Relevant bibliographies by topics / Fine blanking process

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Academic literature on the topic 'Fine blanking process'

Author: Grafiati

Published: 4 June 2021

Last updated: 4 February 2022

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Journal articles on the topic "Fine blanking process"

1

Lee, TC, LC Chan, and BJ Wu. "Straining behaviour in blanking process - fine blanking vs conventional blanking." Journal of Materials Processing Technology 48, no. 1-4 (January 1995): 105–11. http://dx.doi.org/10.1016/0924-0136(94)01639-i.

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Wieckowski, Wojciech, Piotr Lacki, and Janina Adamus. "Modelling of Fine Blanking Process of the Aluminium Sheets." Key Engineering Materials 473 (March 2011): 290–97. http://dx.doi.org/10.4028/www.scientific.net/kem.473.290.

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The required technological quality of the blanked products can be achieved through operations of fine blanking. This allows for obtaining products with improved dimensional accuracy and good quality cut-surface. In order to cut products from soft materials, including aluminium and its alloys, the methods of fine blanking with upsetting and fine blanking with reduced clearance are typically employed. The study presents the results of numerical modelling of the fine blanking process for a disk made of 1-millimetre sheet aluminium EN AW-1070A. The goal of the numerical simulations was to evaluate the effect of clearance between blanking die and the punch, and the impact of V-ring indenter on stress and strain distribution in the shearing zone.

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Long, An, Rui Ge, Yi Sheng Zhang, and Li Bo Pan. "Numerical Simulation and Parameter Optimization of Cam’s Fine Blanking Process." Advanced Materials Research 396-398 (November 2011): 134–39. http://dx.doi.org/10.4028/www.scientific.net/amr.396-398.134.

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To conclude the mechanics of fine blanking, the numerical simulation model of a cam’s fine blanking process was established, the forming process was simulated by DEFORM-3D software, the deform principle was summarized. Then the effect of three key processing parameters such as gap between punch and die, pressure-pad-force/counter force, serrated ring postion to fine blanking quality were researched, optimized parameters in fine blanking were gained.

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Kim, Jong Deok, and Young Moo Heo. "Finite Element Analysis of the Fine Blanking Process for Seat Recliner Plate Holder of Recreation Vehicle." Advanced Materials Research 1025-1026 (September 2014): 391–94. http://dx.doi.org/10.4028/www.scientific.net/amr.1025-1026.391.

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In this paper, the finite element analysis (FEA) of the fine blanking process was conducted for the seat recliner plate holder of recreation vehicle. Because the plate holder was a complex part with the various dimple shapes, it was formed and blanked with a three-station progressive fine blanking tool. The fine blanking tool was optimally designed, manufactured and performed the fine blanking experiments. The shear surface of the outer contour, the stress and strain of the part, and the loads of the tool elements were estimated by the results of the fine blanking simulation. Because the plate holder samples from fine blanking experiments had the good accuracy of the dimples’ position and dimension, it would be noticed the fine blanking simulation was conducted without error.

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Du, Hong, Wei Fu Fan, and Zhong Mei Zhang. "Comparative Study of the Process Fracture between Fine-Blanking with Negative Clearance and Conventional Blanking." Advanced Materials Research 97-101 (March 2010): 191–94. http://dx.doi.org/10.4028/www.scientific.net/amr.97-101.191.

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The different separation mechanism of fine-blanking with negative clearance and conventional blanking under different blanking process are analyzed through fine-blanking with negative clearance and conventional blanking processing experiments on AISI-1045 steel. The fractography photographs in the different deformation regions, such as rollover zone, shearing band, fracture zone and burr zone are scanned by scanning electron microscope (SEM-JSM-6360LV). The place of fracture of fine-blanking with negative clearance has emerged into the middle of work piece not the undermost of workpiece, and the width of fracture band is as tiny as 50-100 micron. The smooth surface formed by the uniform plastic flow in the process fine-blanking with negative clearance, and the full course of finally toughness fracture have been analyzed in the final phase of ejecting in fine-blanking with negative clearance. From the perspective of material meso-damage, the fracture mechanism of special blanking process with negative clearance has been illustrated in details.

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Chen, Qi Jun, Yi Gan, and Ji Tao Du. "Numerical Simulation and Optimization of Processing Parameters for Fine-Blanking of FPG." Applied Mechanics and Materials 101-102 (September 2011): 475–78. http://dx.doi.org/10.4028/www.scientific.net/amm.101-102.475.

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In order to find out the influence trend and the impact factor of different process parameters for die-roll of gear shape and smooth-shear surface, the forming process to characteristics of FPG fine-blanking that based on fine-blanking theory was simulated by using Deform-3D. The best scheme suitable for FPG fine-blanking was obtained, which was also validated by the simulation test. The results showed that the processes were feasible and thus provided the basis to improve the die life and the forming quality for fine-blanking of FPG.

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Zhang, Z. M., F. Li, and H. Zhang. "Study and Analysis the Facture Mechanism for Fine-Blanking with Negative Clearance on 60Mn." Applied Mechanics and Materials 229-231 (November 2012): 91–94. http://dx.doi.org/10.4028/www.scientific.net/amm.229-231.91.

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In order to improve the punching process, further enhance the blanking section quality. This paper studied the common blanking of 60Mn and the fine blanking with negative clearance of 60Mn blanking work piece metallographic structure by using scanning electron microscope. The results show that the fine blanking with negative clearance process can increase the work-hardening degree and further thin the punching surface tissue, inhibit the crack, and make the blanking surface smooth. The tensile and tear result in the generation of cracks and burrs, and the extrusion forming of fine blanking with negative clearance inhibit the generation of cracks, and eliminate the conditions of the burrs. As the extrusion process, the degree of work hardening in fine blanking with negative clearance is higher than the common blanking, the organizations are more closed.

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Qin, Si Ji, Li Yang, and Jia Geng Peng. "Research on Fine Blanking Process with Stepped-Edge Punch." Applied Mechanics and Materials 16-19 (October 2009): 495–99. http://dx.doi.org/10.4028/www.scientific.net/amm.16-19.495.

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The fine blanking process with a stepped-edge punch was researched by finite element method (FEM) and experiment investigation. Finite element analysis showed that the hydrostatic stress of the blank around the edges changes a little during fine blanking process using a stepped-edge punch with negative clearance. The burnish zone of sheared surface increases with the increase of the relative negative clearance. The reasonable forming parameters were presented by a lot of experiment investigations. Parts of three kinds of materials, Q235 steel, copper and industrial aluminum, were formed using fine blanking process with a stepped-edge punch. Full burnish zone were obsearved for all the parts.

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Fang, Gang, and P. Zeng. "A Study of Fine Blanking Process by FEM Simulation." Key Engineering Materials 261-263 (April 2004): 603–8. http://dx.doi.org/10.4028/www.scientific.net/kem.261-263.603.

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Fine blanking process with V-ring was simulated with FEM. The geometric parameters of the die, the punch, the serrated ring and the sheet are modeled. In this paper, some other assumptions are made for the analysis. The workpiece is considered as elastic-plastic material, while the tools are defined as rigid bodies. The damage model taking into account the influence of hydrostatic stress is used to simulate material fracture in blanking. The stress status and forming process are analyzed. Authors also investigated the effect of distance from tooth to die edge on roll-over high. The simulation can reflect the laws of fine blanking process.

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Lv, Lin, Guo Song Ning, and Ming Ming Chen. "Research on Flow Mechanism of Materials and Micro-State of Distortion Area in Closed Extruding Fine Blanking Process." Advanced Materials Research 201-203 (February 2011): 2785–88. http://dx.doi.org/10.4028/www.scientific.net/amr.201-203.2785.

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There are some differences between traditional fine blanking and closed extruding fine blanking in stress, separation process and change of material's performance. The article researched the micro-state's characteristics and deformation law in closed extruding fine blanking process, through observing the closed extruding fine blanking parts' metallographic, flow lines of deformation zone and analyzing the micro-hardness.

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Dissertations / Theses on the topic "Fine blanking process"

1

Hamid, Hisham. "Process monitoring of blanking coarse grained and ultra-fine grained aluminium sheets using force-displacement characteristics and acoustic emission technique." Thesis, University of Strathclyde, 2010. http://oleg.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=12838.

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Mikyska, Josef. "Výroba aretační páky přesným stříháním." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2008. http://www.nusl.cz/ntk/nusl-228320.

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MIKYSKA Josef: The manufacture of hold-down arm by technology of fine blanking process. The diploma thesis deals with innovative technology of „hold-down arm“ by fine blanking technology. The component is made of steel plate no. 12 041.20, 3mm thick. The theoretical part presents possible solutions. In the project there are compared versions of fine blanking technology. Regarding the required size accuracy, surface quality and assumed series production of 600 000 pieces per year the fine blanking technology using V-ring was proposed as the innovative technology. On the basis of technological calculations the triple action hydraulic press GKP-F 100 (produced by Feintool) and a blanking tool were determined. The blanking tool solution is accomplished including calculations and futher documentation. Then, the project implies technical and economical evaluation of the present technology ( conventional blanking with consequentional cutting) and of the newly designed technology. According to the analysis using the newly designed production technology economic and time savings are achieved.

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Juan, Xhian-Yu, and 阮翔瑜. "Study on the Operating Parameters of Fine Gear Blanking Process." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/p7kg7d.

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碩士
國立臺北科技大學
製造科技研究所
96
Blanking process is one of the fastest and effective method for mass production of sheet metal parts. And fine blanking technology has the features for the manufacture of high precision small parts. However, the quality of product processed by fine blanking largely depends on the operating parameters used. Therefore, the purpose of this paper is to study the optimal operating parameters that can be used in the production of small gear shape sheet metal product. First, Finite Element method is used to simulate the whole blanking process and to informate like cutting force versus stroke relation, the stress-strain distribute of blanking parts are expand on review. Next, Taguchi quality design method is used to find the optimal parameters of experimental press used for fine blanking of gear shape sheet metal parts. The four control parameters used in this study are punch pressure, stroke of punch, counter punch pressure, and materials. The experimental result show that counter punch pressure has efficacious effect on the contouring accuracy of gear tooth property. And the quality of gear tooth made from brass seems to be better than those from carbon steels and aluminum alloy.

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Xu, Ming-Hong, and 徐銘鴻. "The Optimal Design on the Process for Cycloid Gear in Hydro-Mechanical Fine Blanking." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/09179787581803440230.

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碩士
國立臺灣海洋大學
輪機工程學系
102
This paper builds optimal parameters for the fine hydro-mechanical blanking. In this approach, the wear problem of V-ring could be avoided. The ejector force of traditional fine blanking can be replaced by back pressure of the hydro liquid. It can decrease the phenomenon of roll-over. Taguchi experimental method is used to investigate the relations between these parameters and the burning length; these parameters are the back pressure, the flow pressure in U-type of cavity, the width and high of U-type of cavity and the holding force. The cycloid gear used for experimental test is adopted owing to the need of industry for the precise size. The result shows the optimal burning surface can reach 92% of high of the work-piece and the solution obtained from FEM also has the same result. It is shown that this approach can fulfill the more complex shape of blanking.

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Shu-HaoChiang and 江書豪. "Study of Effect of Process Parameters on Springback for Multi-Stages Fine Blanking of L-Shape Parts." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/65064112522853129489.

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碩士
國立成功大學
機械工程學系碩博士班
101
With the increasing need of 3C products, the requirements of accuracy of metal parts are higher. Fine blanking is used for making high precision products with high productivity. However, L-shape parts would springback at corner and tip after blanking process. Although springback could be reduced by multi-stages, it is affected by many process parameters, especially the blanking sequence. This thesis studies the multi-stages fine blanking process of C15150 brass sheet with thickness 0.38mm. This study used finite element software LS-DYNA3D and combined with Taguchi method to investigate the effect of blanking process parameters on springback and the optimal process parameters were obtained. The results indicates that the order of process parameters affecting springback are the punch velocity, the pure pressure, the blanking sequence, and the blank holder stress.

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Liou, Jeng-Shiuan, and 劉政軒. "The Optimal Design on the Process for Spur Gear Using the through type in Hydro-Mechanical Fine Blanking." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/12405400539597022312.

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碩士
國立臺灣海洋大學
輪機工程學系
103
This paper uses the novel fine blanking method to study the spur gear blanking. A trough is laid on the die to replace the V-ring of conventional fine blanking. The FEM is adopted to determine the workability of this method. The Taguchi Experimental Method is also to be used to test the quality of the products. In the Taguchi method, the experimental control factors are designed as: the punch speed, the billet diameter, the holding force, the back pressure, the gate lubricant, the diameter and the depth of the shaft holes. The results showed that good qualities can be obtained. Further, the results of the simulation by FEM are very consistent with experiments. Finally, a gear mechanism is designed to test the functions of gears manufactured by this method. It is shown that this gear mechanism works good and stable as the capability of the conventional gears.

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Chung, Hui, and 鍾慧. "Finite element simulation of punch and die radii effects on sheared surface of mild steel in fine blanking process." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/45505585780057026913.

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碩士
國立交通大學
機械工程系所
97
Blanking can be divided into conventional blanking and fine blanking. Fine blanking is one of the sheet metal forming technique which produces smooth shearing surface without the need of secondary finish. Compared with conventional blanking, fine blanking provides products with better shearing surface and better flatness. Nevertheless, it is more complicate in selection of the die material, to design and manufacture the die. Factors affecting the fine blanking products characteristics include punch-die clearance, blank holder load, counter punch load…and so on. In this thesis, Cockcroft & Latham’s fracture criterion was incorporated in the finite element analysis package for determine the quality of shearing surface. Effects of the punch radius and die radius on the shearing surface quality were discussed. The results show that the best punch radius is 0.05mm and the best die radius is 0.55mm to get maximum burnish zone under specific conditions described in this thesis.

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Book chapters on the topic "Fine blanking process"

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Voigts, Herman, Rafael Hild, Andreas Feuerhack, and Thomas Bergs. "Investigation of Failure Mechanisms of Cemented Carbide Fine Blanking Punches by Means of Process Forces and Acoustic Emission." In Forming the Future, 1173–87. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-75381-8_98.

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Conference papers on the topic "Fine blanking process"

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Tong, Longchang, Niko Manopulo, Pavel Hora, F. Barlat, Y. H. Moon, and M. G. Lee. "Failure Prediction in Fine Blanking Process with Stress Limit Model." In NUMIFORM 2010: Proceedings of the 10th International Conference on Numerical Methods in Industrial Forming Processes Dedicated to Professor O. C. Zienkiewicz (1921–2009). AIP, 2010. http://dx.doi.org/10.1063/1.3457592.

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Hall, Mary E., Mike Long, Sean D. Rhattigan, and Elvin B. Shields. "Die Design and Blanking Analysis." In ASME 2003 Pressure Vessels and Piping Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/pvp2003-2051.

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The modified fine blanking technique is the subject of this research, along with a comparison of conventional blanking and shaving. The modified process does not require the use of a triple-action press and the press can be run at the same rate as conventional blanking. A counter-pressure punch and assembly are used to prevent the fracturing of the cut, which is similar to standard fine blanking. The difference between the two fine blanking techniques is that the modified method does not hold the material from lateral movement during the perforating operation. Furthermore, to achieve an optimum comparison of all three methods (conventional blanking, shaving, and modified fine blanking), a die set was designed that could produce parts for each of these processes. The evaluation of each method was done by cutting similar samples of each method and placing them in plastic, which allowed microscopic comparisons to be made of the three methods. A trade-off analysis of the various methods demonstrated that the modified fine blanking technique is superior to the other techniques.

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Biglari, Farid R., Amir Tavakoli Kermani, Mohammad Habibi Parsa, Kamran M. Nikbin, and Noel P. O’Dowd. "Comparison of Fine and Conventional Blanking Based on Ductile Fracture Criteria." In ASME 7th Biennial Conference on Engineering Systems Design and Analysis. ASMEDC, 2004. http://dx.doi.org/10.1115/esda2004-58117.

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A comparison between fine and conventional blanking is carried out in this paper. In the fine blanking process, V-ring indentation is applied to create hydrostatic pressure and prevent premature fracture in an undesired direction. Furthermore, a small clearance between the punch and die is employed along with a counterforce punch that causes concentrated strain in the sheared band region. A fracture mechanics oriented finite element procedure has been employed in this research work in order to obtain the fracture path. The fracture path is found according to the stress and strain histories which are calculated in each element. The numerical results have shown that the sheared edge quality in the blanking process is strongly influenced by the fracture path. In fine blanking, there are various parameters affecting the sheared edge quality and dimensional accuracy. The finite element calculation is carried out for an axisymmetric model. The commercial finite element code ABAQUS V6.2 is employed along with a controlling program that is written in Visual BASIC.

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Parsa, M. H., and S. Taieban. "The Effect of Blank Thickness on the Shear Band Localization During Fine Blanking of 1045 Steel Plate." In ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis. ASMEDC, 2010. http://dx.doi.org/10.1115/esda2010-25219.

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Fine blanking is a near net shape process that is used for manufacturing of final product. In the fine blanking process, V-ring indentation is applied to create hydrostatic pressure and prevent premature fracture in an undesired direction. Furthermore, a small clearance between the punch and die is employed along with a counterforce punch that causes concentrated strain in the sheared band region. This process generally applies for sheet metal up to 6 mm. Application of this process for blanking of sheets thicker than 6 mm require some precautions for sound production. In the present research work, finite element analyses have been performed to investigate the effects of thickness variations on the shear band localization and shear surface quality in the fine blanking process. Simulations have been performed for two thicknesses of 6 and 8 mm. As blank materials, steel sheets of AISI 1045 have been used for numerical investigations.

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Qin, S. J., L. Yang, and J. G. Peng. "Research on fine blanking process with stepp-ededge punch for complex flange parts." In 2010 International Conference on Mechanic Automation and Control Engineering (MACE). IEEE, 2010. http://dx.doi.org/10.1109/mace.2010.5536547.

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Klocke, F., M. Zimmermann, V. Backer, and H. Wegner. "Finite element simulation of an analogy process for the fine blanking of helical gears." In 2011 IEEE International Symposium on Assembly and Manufacturing (ISAM). IEEE, 2011. http://dx.doi.org/10.1109/isam.2011.5942332.

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Deng, Ming, and Lu-zhou Liu. "Research on flow mechanism of material for spur gear in closed extruding fine blanking process." In THE 11TH INTERNATIONAL CONFERENCE ON NUMERICAL METHODS IN INDUSTRIAL FORMING PROCESSES: NUMIFORM 2013. AIP, 2013. http://dx.doi.org/10.1063/1.4806849.

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Labergere, C., K. Saanouni, S. Benafia, J. Galmiche, and H. Sulaiman. "Numerical simulation of fine blanking process using fully coupled advanced constitutive equations with ductile damage." In THE 11TH INTERNATIONAL CONFERENCE ON NUMERICAL METHODS IN INDUSTRIAL FORMING PROCESSES: NUMIFORM 2013. AIP, 2013. http://dx.doi.org/10.1063/1.4806871.

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Elyasi, Majid, Vahid Daeizadeh, Francisco Chinesta, Yvan Chastel, and Mohamed El Mansori. "A Study of Forming Force in the Fine-blanking Process Using the Theoretical Predication and Experimental Approach." In INTERNATIONAL CONFERENCE ON ADVANCES IN MATERIALS AND PROCESSING TECHNOLOGIES (AMPT2010). AIP, 2011. http://dx.doi.org/10.1063/1.3552584.

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Kim, Su-Hyun, JeongJin Kang, Dong-Jae Lee, Kwan-Young Lee, Heon-Young Kim, and Hyung-Jong Kim. "The Effect of Temperature Rise in a Fine Blanking Tool." In MATERIALS PROCESSING AND DESIGN; Modeling, Simulation and Applications; NUMIFORM '07; Proceedings of the 9th International Conference on Numerical Methods in Industrial Forming Processes. AIP, 2007. http://dx.doi.org/10.1063/1.2740921.

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