Process a stepbystep movement from a beginning point to an ending point. Analysis of an axisymmetric deep drawn part forming using. Analysis of elliptical cup drawing process of stainless sheet metal yuungming huang, shiaocheng lu department of mechanical and computeraided engineering, st. Pdf some aspects of blankholder force schemes in deep drawing. Numerical simulation and analysis on the deep drawing of. The depth of the cup created should not exceed the diameter of the blank sheet dieter, 1988 and the thinning should be kept bellow 20% of the original thickness t. The aim is to study analysis of optimization of blank holding force. Process analysis and design in micro deep drawing utilizing a. The aim of the investigations is to verify possibilities of formability of sheet metal with thickness of 0. In the presented work, the single stage deep drawing process of thin walled, mild steel, conical back plate of radial impeller of blowers is approached by means of a finite element analysis. Analysis of intensified reverse deep drawing process toshko marinov kovachev. Prediction of the forming results, determination of the thickness distribution and the thinning of the sheet metal blank will decrease the production cost through saving material and production time.
Words in italic shall be typed in the command line. A comparison has been made between reverse hydromechanical deep drawing and available. Deep drawing process, one of sheet metal forming methods, is very useful in industrial field because of its efficiency. For both types of process analysis, however, it is often useful. The process was simulated by finite element analysis using a commercial implicit fem package abaqusstandard to establish the base for our following analysis. Deep drawing for a circular cup a initial stage and. Under certain conditions, this sliding will cause friction between the tools and the material. Start a data analysis session and load a quantitation or kinetics experiment. The comprehensive discussions on material properties, friction and heat generation are provided to help to understand the. Click the select process and material bu on to open the selec on dialog.
New approach for wrinkle prediction in deep drawing process. Researchers manual annotation to identify signs using transcription of childs narrative generated during drawing process. The aim is to study analysis of optimization of blank holding force developed for cup drawing operation by using. Of deepdrawing process the article deals with the analysis of formability of deepdrawing dc06 steel sheets. Numerous unconventional deep drawing techniques have recently been implemented that have helped increase the industrial uses of deep drawing. The data acquisition and data analysis software for octet systems is available in an optional 21 cfr. Analysis of original drawing process the existing forming process consists of 10 steps, that is, 7step, 2step and 1step drawing to. Deep drawing process is a sheet metal forming process where a punch. In this paper, a finite element fe model is developed for the 3d numerical simulation of deep drawing process parametric analysis by using abaqusexplicit fea program with the. Create a box measuring 10x10x10 units and two cones with radius 9, height 10 placed according to the drawing above. The results were confirmed with a dedicated deep drawing analyses software package. Optimization of forming load and variables in deep drawing process for automotive cup using genetic algorithm kakandikar g. Deep drawing, springback, finite element analysis, aa5754o.
Deep drawing draw ratio blank holder blank holder force tube hydroforming these keywords were added by machine and not by the authors. Hamdi d proceedings of the world congress on engineering 2015 vol ii wce 2015, july 1 3, 2015, london, u. Deep drawing deep drawing deep drawing is defined as a. Recent experiments at the institute ifu indicated that the buckling test using modified specimens can enhance accuracy for the predication of wrinkling. Using this technique, higher limiting drawing ratios can be obtained compared with the conventional deep drawing process. A copy of the deep drawing analysis is made and placed on a new tab. Analysis of optimization of blank holding force in deep. The sheet of metal is formed into 3d product by deep drawing process. Failure of sheet metal parts during deep drawing processes. Jul 22, 2011 this paper deals with the deep drawing of metal cups using the marform process. Publishers pdf, also known as version of record includes final page, issue. Finite element simulation of single stage deep drawing. Drawing is sheet metal forming operation used to make cup shaped, box shaped, and complex curved and concave cup. A new friction model based on local contact conditions is presented.
Jun 01, 20 deep drawing stationtypes blanking drawing piercing trimming 8. A 3d explicitfinite element analysis is used to investigate the. Deep drawing is a class of sheet metal forming process used for manufacturing of cups. The objective of this research is to determine the most important factors influencing. Experimental formability analysis of bondal sandwich sheet. The objective of this research is to determine the most important. Dfma stands for design for manufacture and assembly. That is, known fibre positions obtained by experiment should become part of a.
This paper deals with the deep drawing of metal cups using the marform process. Jul, 2017 deep drawing with its applications, defects and advantages explained. Blankingblanking is the process ofcutting the initial sheet coil stockinto round or shaped flatsrequired for deep drawing. Analytical drawing this tutorial shows how to make an analytical drawing using rhinoceros. Deep drawing is a sheet metal forming process that involves complex material flow and force distributions. A blank holder, that surrounds the punch, applies pressure to the entire surface of the blank, except the area under the punch, holding the sheet metal work flat against. Presented contribution deals with force parameters research drawing and blankholding in deepdrawing process of flat bottomed cylindrical cup.
Experimental analysis can be useful in analyzing the process to determine the process parameters that produce a defect free product, and the analyticalnumerical modeling can be used to model and analyze the process through all stages of deformation. These processes include hydroforming, hydromechanical deep drawing, aquadrawing, hydraulic deep drawing, the guerin process and the marform process. Pdf design and analysis of deep drawing process on. Pdf evaluation of drawing force and thickness distribution in the. Analysis of an axisymmetric deep drawn part forming using reduced forming steps jian cao, shunping li. The blank draw ability has been related both theoretically and experimentally with the initial diameter of the blank and deep drawing parameters. This paper deals with the analysis of deep drawing of circular blanks into axisymmetric cylindrical cup using numerical modeling. The analytical model of the process is presented initially, followed by the finite element simulations using abaqus software. Analysis of elliptical cup drawing process of stainless sheet. Even the finite element package gives an approximation towards the solution. The objective of this research is to determine the most important factors influencing a drawing process, utilizing the help of a design of experiments and statistical analysis. Analysis of original drawing process the existing forming process consists of 10 steps, that is, 7step, 2step and 1step drawing to form zone i, zone ii and zone iii, respectively.
Analysis of deep drawing of sheet metal using the marform process. Deep drawing deep drawing is one of the most widely used processes in sheet metal forming. The base is first formed in a manner similar to the stretch forming process and then the actual drawing process follows. Rule based dfm analysis for deep drawing wikipedia.
Apart from its use in many other sectors, it is applied in the automotive industry for the manufacturing of car body parts. Author links open overlay panel vedat savas omer secgin. Analysis of elliptical cup drawing process of stainless. The mechanical parameters of the sheets have been determined in uniaxial tensile and bulge tests. American journal of mechanical engineering, 12, 2029. Sheet forming process involves stretch forming and deep drawing in which. A combination between experimental and finite element analysis fea of deep drawing process was made by colgan and monaghan 4. The manufacturing of deep, cuplike products from thin sheet metal is known as deep drawing. Optimization of forming load and variables in deep drawing. In general, the following rule applies in forming process analysis. Sheet metal forming is a complex process involving geometric, material and.
The common parts made by deep drawing process are beverage cans, ammunition shells, sinks, coking ports and automobile body parts. In this paper a new method to predict the onset of the wrinkling will be introduced, and results of this test will be compared with real deep drawing parts. This process is experimental and the keywords may be updated as the learning algorithm improves. Comparison of wall thickness distribution between experiment and fe. The successful simulation of the deep drawing process is very much dependent on successful modeling of the deep drawing process for numerical analysis.
There are mainly two methods of deep drawing analysis. At a certain point for many businesses, the prospect of a merger or acquisition can come up. Pdf in the deep drawing process, the blankholding force bhf is an. Detailed experimental and numerical analysis of a cylindrical. Of deep drawing process the article deals with the analysis of formability of deep drawing dc06 steel sheets. Hani aziz ameen ansys deep drawing process 1 ansys analysis of deep drawing process asst. In order to prove the potential of this combined process, investigations were. All process analyses usually follow a chronological sequence, especially a directive analysis, in which order is important to the desired outcome. In this analysis, various friction coefficients are used for the vatious. The deep drawing process involves a great deal of sliding of the sheet material along the tools. Deep drawing is an important process used for producing cups from sheet metal in large quantities. Friction in deep drawing pure eindhoven university. Finite element analysis of deep drawing and springback failure criteria two types of failures were followed through the modeling.
This paper reports on the initial stages of a combined experimental and finite element analysis fea of a deep drawing process. It is thus a shape transformation process with material retention. Pdf analysis of deep drawing process for hemispherical. Figure 2 explain the sequences of the forming stages during asymmetric cup drawing process. Specifically, if the depth of the item created is equal to or greater than its radius, then the metal forming process can be called deep drawing. Sheet forming process an overview sciencedirect topics. Investigation of forming speed and friction on drawability of. Pdf design and analysis of a deep drawing and inprocess. Investigation of forming speed and friction on drawability. Simulation of the drawing process for determining stress distribution in the drawn component for a particular displacement is explained in the presented work. Theoretical and experimental analysis of deep drawing. This article presents an analysis of intensified process for manufacturing rotational parts from thin shin sheet material by means of reverse hydromechanical deep drawing.
Deep drawing is a process for shaping flat sheets into cupshaped articles without fracture or excessive localized thinning. Talat 3704 6 stress zones during deep drawing during the drawing process the cup can be divided into four characteristic zones, see figure 3704. The presentation includes a comprehensive analysis of the analytical, numerical. Deep drawing deep drawing is defined as a tensilecompressive sheet forming process in which a plane blank is formed into a hollow part open on one side or an open hollow part is formed into another hollow part with a smaller crosssection.
As is wellestablished from simple deepdrawing mechanics. Step 2 of semiotic analysis on mckenzies prompted drawing with a focus on three aspects of the drawing. Numerical simulation and analysis on the deep drawing of lpg bottles. It involves the cupping stage, partially drawn frustum cup, asymmetric cup drawing stage and the formation of the completed asymmetric cup. Some aspects of blankholder force schemes in deep drawing process. Deep drawing is a widely used cold sheet metal forming process to draw the sheet metal in forming dye of desirable crosssection using mechanical force of the punch. Forcedisplacement curve during deep drawing during the deep drawing process, the drawing force increases from zero up to a maximum value and then falls down again to zero, see figure 3704. These aspects include the manufacturability of the product, the resulting product appearance, wear and. To validate the present model a comparison between the values.
Analysis of optimization of blank holding force in deep drawing by. The deep drawing process is a forming process which occurs under a combination of tensile and compressive. The objective of this research is to determine the most important factors influencing a drawing process, utilizing the help of. The process is considered deep drawing when the depth of the drawn part exceeds its diameter.
247 842 391 1530 77 1507 1167 941 1201 596 1355 613 1146 1119 397 1185 362 784 318 888 1292 367 1257 1105 575 737 48 442 428 1023 332 1072