Relevant bibliographies by topics / Punch diameter

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  1. Journal articles
  2. Book chapters
  3. Conference papers

Academic literature on the topic 'Punch diameter'

Author: Grafiati
Published: 3 June 2025
Last updated: 31 July 2025

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Journal articles on the topic "Punch diameter"

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Siimut, Kaarel, Kasper Mygind Madsen, Ermanno Ceron, and Chris Valentin Nielsen. "Improving adjustable ironing punch performance using cemented carbide components." MATEC Web of Conferences 408 (2025): 01030. https://doi.org/10.1051/matecconf/202540801030.

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An ironing punch with adjustable diameter can control part dimensions on a stroke-to-stroke basis, increasing yield, production rate and tool life. This study investigates the effect of increased ironing die and mandrel stiffness in ironing with an adjustable punch. Cups deep drawn from 0.28 mm thick EN 1.4404 austenitic stainless steel were ironed using four tool configurations, reducing the wall thickness to 0.21 mm. In these configurations, the ironing die and the mandrel were made from either hardened tool steel or cemented carbide. When configured with only tool steel components, the punc
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Bao, Yiwang, Haibin Zhang, and Yanchun Zhou. "Punch-shear tests and size effects for evaluating the shear strength of machinable ceramics." International Journal of Materials Research 95, no. 5 (2004): 372–76. http://dx.doi.org/10.1515/ijmr-2004-0078.

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Abstract Various sample thicknesses and punch diameters were used in punch-shear tests for investigating the size effects in evaluating the shear strength of machinable ceramics. The ratio of the sample thickness to the punch diameter was defined as the relative thickness that strongly affects the measured shear strength in a certain range. It was found that there was a threshold value in the relative thicknesses (~ 0.1 for Ti3AlC2 and ~ 0.13 for Ti3SiC2) above which the measured shear strength increased linearly with increasing thickness. The threshold provided a thickness-requirement for val
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Mrs., C. Sucharitha1 Dr. J. SureshKumar2. "ANALYSIS OF DEEP DRAWING PROCESS FOR VARIOUS PARAMETERS USING FINITE ELEMENT ANALYSIS." INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES & RESEARCH TECHNOLOGY 6, no. 11 (2017): 400–408. https://doi.org/10.5281/zenodo.1054621.

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The main objective of this paper is to find the most effective parameters in deep drawing process to produce a cup of required shape and size. Limit Drawing Ratio is one of the parameters that indicate the drawability of material. It is defined as the ratio of blank diameter to punch diameter at the onset of tearing. Deep drawing products in modern industries usually have a complicated shape, so these have to undergo several successive operations to obtain a final desired shape. In this work the effect of various parameters like die and punch corner radii, clearance, friction coefficient betwe
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Berge, Franz, Heiko Winderlich, Christina Krbetschek, Madlen Ullmann, and Rudolf Kawalla. "The Effect of Sheet Thickness, Loading Rate and Punch Diameter on the Deformation Behaviour of AZ31 during 3-Point Bending." Materials Science Forum 854 (May 2016): 65–72. http://dx.doi.org/10.4028/www.scientific.net/msf.854.65.

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In this study, the influence of sheet thickness, loading rate, and punch diameter on the bending behaviour of twin-roll cast, rolled and heat-treated AZ31 magnesium alloy was investigated. Therefore, the 3-point bending test was performed at room temperature using an electromechanical testing machine (v = 0.1−10 mm/s) with different punch diameters (D = 2 mm, 8 mm, 16 mm). The initial material has a recrystallized microstructure with grain sizes of 6−9 µm. It is shown by the mechanical investigations that the bending force increases with the sheet thickness. In contrast to this, the bending an
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ELWAZRI, A. M., R. VARANO, P. WANJARA, and S. YUE. "EFFECT OF SPECIMEN THICKNESS AND PUNCH DIAMETER IN SHEAR PUNCH TESTING." Canadian Metallurgical Quarterly 45, no. 1 (2006): 33–40. http://dx.doi.org/10.1179/cmq.2006.45.1.33.

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Wen, Jiongming, Lei Sun, Chenyi Gu, and Yi Zhang. "Effects of Punch Test Conditions on the Mechanical Response of Polyethylene Materials." Materiale Plastice 59, no. 4 (2001): 28–37. http://dx.doi.org/10.37358/mp.22.4.5623.

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Polyethylene (PE) materials have been widely used in industrial and living fields such as natural gas pipelines, drainage pipes, sewage pipes. Punch test is an interesting tool for studying the mechanical properties of materials. However, the deformation behavior involved in punch test is complicated, it is, therefore, essential to investigate the influence of punch test conditions on the mechanical properties of PE materials. Punch tests have been carried out on PE specimens with different punching speed (0.01, 0.1, 1, 10 and 100mm/min) and different punch head diameters (4, 6, 8 and 10mm). T
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Oleksik, Valentin, Adrian Pascu, Eugen Avrigean, and Ioan Bondrea. "Theoretical and Experimental Studies on the Influence of Process Parameters on Strains and Forces of Single Point Incremental Forming." Advanced Materials Research 939 (May 2014): 367–72. http://dx.doi.org/10.4028/www.scientific.net/amr.939.367.

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These paper aims to determine the influence of the most important geometrical parameters (vertical step and punch diameter) on the main strains, thickness reduction and the forces along two directions during the single point incremental forming process (SPIF). The paper comprises a comparative numericalexperimental study, for a simple geometry part obtained by incremental forming. In fact, in the first stage, the punch has a vertical motion with the value of one vertical step. In the second stage, the punch follows a linear trajectory along one side of the die. After each linear trajectory the
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Chang, Chao Cheng, Dinh Hiep Nguyen, and Hsin Sheng Hsiao. "A Study on Warm Micro Backward Extrusion of SUS 304 Stainless Steel." Key Engineering Materials 486 (July 2011): 139–42. http://dx.doi.org/10.4028/www.scientific.net/kem.486.139.

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A metal forming system comprising an electrical heater, capable of conducting processes at elevated temperatures, was developed to perform micro backward extrusion processes of SUS 304 stainless steel. Two punches with diameters of 1.6 mm and 1.8 mm were used to extrude the billets inside the die with an inner diameter of 2 mm. All processes were lubricated with water-based graphite and conducted under isothermal conditions at 400 °C. The results show that the developed extrusion system can be used to produce the stainless steel components with a micro cup-shaped profile. Moreover, the variati
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Zhang, Yao. "The study on the influence of different damage introduction methods on the damage characteristics of aircraft composites." Journal of Physics: Conference Series 2660, no. 1 (2023): 012046. http://dx.doi.org/10.1088/1742-6596/2660/1/012046.

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Abstract Composite materials have advantages incomparable to traditional metal materials. However, they are more sensitive to impact damage and their mechanical properties decrease significantly after impact damage. Therefore, it is of great significance to study the energy absorption, mechanical response and damage mechanism of materials in different ways. To study the influence of different punch diameter sizes on the material damage characteristics, three kinds of punch diameters of 12.7 mm, 16 mm and 25.4 mm are selected to carry out the quasistatic indentation test and drop hammer impact
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Wilczyński, Dominik, Ireneusz Malujda, Jan Górecki, and Piotr Jankowiak. "Research on the process of biomass compaction in the form of straw." MATEC Web of Conferences 254 (2019): 05015. http://dx.doi.org/10.1051/matecconf/201925405015.

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The paper presents the examination of the degree of compaction of biomass material in the form of straw, depending on the temperature of the compaction process, the diameter of the pressing punch and the humidity of the compacted straw. The series of punch-sleeve assemblies characterized by the variable diameter of both the punch and the sleeve were used in the tests. For each diameter of the sleeve, a straw sample was compressed with a force suitable to obtain a compressive stress value in the sample cross section of 10 MPa. Each punch-sleeve assembly was adapted for installation on a strengt
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Book chapters on the topic "Punch diameter"

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Abendroth, Martin, Shahin Takht Firouzeh, Meinhard Kuna, and Bjoern Kiefer. "Determination of the Temperature-Dependent Fracture and Damage Properties of Ceramic Filter Materials from Small Scale Specimens." In Multifunctional Ceramic Filter Systems for Metal Melt Filtration. Springer International Publishing, 2024. http://dx.doi.org/10.1007/978-3-031-40930-1_23.

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AbstractOpen cell ceramic foam filters are used to improve the quality of metallic cast products. They play a major role on reducing the number of inclusions within the microstructure of the cast product and restraining the liquid flow inside the mold. The newly developed carbon-bonded alumina ceramics are investigated considering the mechanical and thermal loads of the filtration process. The aim of this project is to assess the strength, the fracture mechanical behavior, and the damage properties of the filter material. Since the tiny struts of the foam have different properties than the com
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Siimut, Kaarel, Úlfar Arinbjarnar, Kasper M. Madsen, Ermanno Ceron, Thomas L. Madsen, and Chris V. Nielsen. "Evaluation of Required Diameter Adjustment of a Novel Ironing Punch Concept for Reducing Wear During Retraction." In Lecture Notes in Mechanical Engineering. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-40920-2_11.

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Smith, Benn E. "Contact Heat Evoked Potentials." In Clinical Neurophysiology. Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780190259631.003.0034.

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Somatic small-diameter fibers in the Aδ‎ and C classes are difficult to assess objectively. Beyond skin punch biopsy for epidermal nerve fiber density, which examines only a small percentage of the cutaneous nerve fibers, nociceptive evoked potentials provide a number of techniques to study these heat- and pain-mediating neural pathways. Of the available approaches, contact heat evoked potentials (CHEPS) present a number of advantages. Using robust and highly quantified discrete bursts of heat by a thermofoil electrode, safeguarded by layers of redundant internal algorithms to insure stimuli r
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Hill, R. "Non-steady motion problems in two dimensions. I." In The Mathematical Theory Of Plasticity. Oxford University PressOxford, 1998. http://dx.doi.org/10.1093/oso/9780198503675.003.0008.

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Abstract We now consider problems in which the stress and velocity at any fixed point are varying from moment to moment. To begin with, we restrict our attention to problems where the plastic region develops in such a way that the entire configuration remains geometrically similar. We have already encountered two examples, namely the expansion of a cylindrical or a spherical cavity from zero radius in an infinite medium; when the configuration at any moment is scaled down to a constant cavity radius the same distribution of stress is obtained. Other examples are the indenting of the plane surf
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Conference papers on the topic "Punch diameter"

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Sedyono, Joko, Bambang Waluyo Febriantoko, Muttaqin Rahmat Pangaribawa, Dzulmi Wisnu Triatmojo, and Atqiya Muslihati. "Analysis on the effect of diameter punch to the hole quality." In PROCEEDINGS OF THE 8TH INTERNATIONAL CONFERENCE ON ENGINEERING, TECHNOLOGY, AND INDUSTRIAL APPLICATIONS 2021 (8th ICETIA 2021): Engineering, Environment, and Health: Exploring the Opportunities for the Future. AIP Publishing, 2024. http://dx.doi.org/10.1063/5.0180803.

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Prakash, Raghu V., T. Ramesh, N. Raju, and S. Suresh. "Correlation of Tensile Properties of Pressure Vessel Steels by Shear Punch and Small Punch Test Methods." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-87691.

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A shear punch test is a very useful small specimen test method for evaluating the mechanical properties of in-service components, in view of the requirements of small size sample material. Typically disks of nominal size 10 mm diameter, having a thickness of 0.5 mm or less is used to extract the tensile properties through measurement of load-displacement responses. This paper presents the results of shear punch tests on pressure vessel steels and its correlation with yield stress and ultimate tensile stress obtained using ASTM standard specimens. Small punch test is similar to shear punch test
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Peng, Junyang, Gang Liu, Bugang Teng, Xiaosong Wang, and Sule Feng. "An Approach for Increasing Branch Height of a Hydroforming T-Joint With Smaller Branch Diameter." In ASME 2013 International Manufacturing Science and Engineering Conference collocated with the 41st North American Manufacturing Research Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/msec2013-1169.

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Hydroforming of a stainless steel T-joint with ratio of tube diameter to thickness D/t = 108 and ratio of branch diameter to tube diameter d/D = 0.6 was studied. The effects of counter punch loading path on branch height and thickness were discussed. Because the branch diameter is smaller than the tube diameter, it is difficult to obtain a higher branch height and avoid thinning at the same time. An approach for increasing branch height of a hydroforming T-joint with smaller branch diameter was proposed. Finite element method (FEM) simulations were carried out for analyzing the deformation dur
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Siimut, Kaarel. "Experimental and numerical analysis of an improved adjustable ironing punch design." In Material Forming. Materials Research Forum LLC, 2025. https://doi.org/10.21741/9781644903599-121.

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Abstract. In-line adjustability of tools for high-volume forming processes could improve yield while reducing lubricant use. This work presents an improved design of an ironing punch with adjustable tool diameter and an experimental study of its performance. Experimental results are compared with numerical simulations conducted in LS-DYNA. Punch retraction force of the new design was 68-85% lower than that of a conventional punch, indicating a lower contact pressure and thus reduced tool wear. The wall thickness of the ironed cups was adjusted by about 25 µm.
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Watanabe, Hajime, Akihiro Kanaya, Junichi Kusumoto, and Takafumi Tsurui. "Development of Compact Small Punch Creep Testing Equipment." In ASME 2011 Pressure Vessels and Piping Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/pvp2011-57491.

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Japan has many aged thermal power plant facilities and some boilers in such facilities have been in operation for more than 100,000 hours, so the importance of creep residual life evaluation of components exposed to severe conditions has been increasing. Although creep residual life of such components can be evaluated by destructive methods relatively accurately, they significantly affect the component to be sampled, take a long time to carry out and are high-cost. To solve these problems, Kobe Material Testing Laboratory Co., Ltd. and Kyushu Electric Power Co., Inc. have jointly developed com
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Hurst, Roger, Valerio Bicego, and Jude Foulds. "Small Punch Testing for Creep: Progress in Europe." In ASME 2007 Pressure Vessels and Piping Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/creep2007-26693.

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The small punch or disk bend test has particular value in life prediction of operating equipment since the test requires very small amounts of material (a common test specimen disk is 0.5 mm thick with a diameter of 6 to 10 mm), and usually the required volume of material can be acquired from operating equipment in a virtually nondestructive manner. The application of the small punch (SP) test for creep has gained significant interest in the last decade, primarily as a result of research in Europe. The CEN (one of three European standardization organizations recognized by the EC) has been work
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HERRMANN, P. "Modification of the surface integrity of powder metallurgically produced S390 via deep rolling." In Material Forming. Materials Research Forum LLC, 2023. http://dx.doi.org/10.21741/9781644902479-108.

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Abstract. Fine blanking is an economical process for manufacturing sheet metal workpieces with high sheared surface quality. When machining high-strength steels, material fatigue leads to increased punch wear, which reduces the economic efficiency of the process. This fatigue of the cutting edge and lateral punch surface can be counteracted by mechanical surface treatments. Deep rolling has proved particularly useful for such surface modification, as it allows both: machining of the lateral punch surface and the application of the cutting edge rounding required for fine blanking. For the preci
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CHEN, Jiafeng. "Study of die punching process for hot stamped high strength steel and its performance evaluation." In Metal Forming 2024. Materials Research Forum LLC, 2024. http://dx.doi.org/10.21741/9781644903254-80.

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Abstract. Using the hot stamping process to produce ultra-high strength steel parts has been regarded as a good option for lightweight of automotive parts. Hot stamped workpieces usually require post-stamping processes like hole machining before they can be utilized. Considering industrial production, die punching process is more attractive than other hole machining methods such as laser cutting due to its high efficiency and low cost. In this study, the die punching process for hot stamped steel Usibor 1500P was investigated, and the performance of the punched parts was also explored. Firstly
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FALK, T. "Clinching with divided punch to prevent critical neck thicknesses." In Material Forming. Materials Research Forum LLC, 2023. http://dx.doi.org/10.21741/9781644902479-116.

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Abstract. Clinching thin sheet metal into a thicker part can result in low neck thicknesses or even neck cracks. How these critical low values for neck thickness can be counteracted is described in this paper, using a two-part punch, which is devided in an inner and outer unit. At the beginning, both move parallel in the direction of the die until the outer punch stops at a defined position and only the inner one moves further down and forms the clinch point, with its characteristic contour and the geometric values of interlock and neck thickness. Due to the large punch diameter at the beginni
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Yu, Long, Yuxia Hu, and Jun Liu. "Spudcan Penetration in Loose Sand Over Uniform Clay." In ASME 2009 28th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2009. http://dx.doi.org/10.1115/omae2009-79214.

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Punch through failures of spudcan foundations of mobile jack-up rigs have been reported every year. The potential of punch through failure of spudcan foundations on loose sand over uniform clay soils was studied numerically in the present paper. Large deformation finite element analyses were carried out to simulate the load-penetration responses of a 14m diameter spudcan during continuous penetration into this sand over clay soil. The numerical results were compared with existing centrifuge data. The critical penetration depths were derived from the load-penetration responses. The soil flow me
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