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