Compuplast virtual extrusion laboratory vel is the world leading cae product for the polymer extrusion industry. May 21, 2014 the challenges in molding simulation multiply along with the process complexity, making injection stretch blow molding one of the most challenging areas to tackle. Ansys polyflow software provides advanced fluid dynamics technology for solving various tasks in the polymer, glass, metals and cement processing industries 1. Simple extrusion calculations and troubleshooting of single screw extrusion problems and product defects i. This video demonstration shows how ansys polyflow software can help you minimize your material costs for blow molding applications, while. Blowmolding simulation software helps identify potential problem areas before any tooling is built. Vel will give users the ability to experiment on their process without the risk of. The competing effects due to swell and drawdown in the parison.
While injection molding and some extrusion processes. Sigma simulation software enhanced plastics machinery. Overall numerical simulation of extrusion blow molding process. During the blow molding process the material properties changed and so does the thickness. Moldex3d plastic injection molding simulation software. Software simulation of twinsheet blow molding process in blowview recently, the implementation of the overall simulation of the twinsheet blow molding process has been undertaken by the commercial software blowview. Analogous to the flowanalysis software that has revolutionized injection molding, blow molding simulation is at an earlier point in development and little known to the vast majority of blow molders. Molding of key component molding of pet blowing machine plastic. Plastic simulation is our core business, we offer comprehensive simulation consulting. But one group is becoming a world leader in modeling isbm and developing tools and hardware for process and product development.
Realistic simulation of blow molding applications bsim is a software package to visualize and simulate blow molding. Sophisticated software is helping to reshape plastic part. If it could, the team would be able to meet their injection molding simulation needs while. Simtech is a powerful, costeffective injection molding machine simulator. These parameters are then employed for the homogenized representation of the foam in the blow molding simulation carried out in bsim, a commercially available simulation software for blow molding. Polycad software suite products are licensed on a perpetual basis. The resulting simulated stressstrain curve is employed to parameterize a nonlinear rheological constitutive equation. The virtual experiments will ultimately save time and money by helping to minimize the number of physical. Regency plastics cutting edge blow molding simulation software allows for design feasibility testing and optimization before any tooling is performed. Simtech is a powerful, costeffective injection molding machine simulator that bridges the gap between training courses and your production floor.
Extrusion blow molding process regency plastics, gemini. Inhouse tooling design and build allows better cost control, reduced lead times, and quick turnarounds. These entries represent the true spirit of simulation innovation and have. Compuplast updates its simulation software plastics. Ansys polyflow allows you to predict material distribution when using blow molding, such as with this 5 gallon blow. The inputs required for a successful blow molding process simulation are. As blowview is a popular simulation tool in the plastic industry, requests from clients motivated this implementation. Dec 02, 2014 this 2part series of ansys how to videos demonstrates how to set up an ansys polyflow blow molding simulation using a surface mesh, or shell mesh.
Blow molding the bsim blow moulding simulation provides a very detailed and accurate prediction of what will happen during the forming process before you cut the tool or scrap any material. An integrative simulation concept for extrusion blow molded. Jul 09, 2015 this video demonstration shows how ansys polyflow software can help you minimize your material costs for blow molding applications, while maintaining the thickness distribution you need in your. This simulation is done in abaqus explicit and with the mesh shown here takes a few hours to complete. Software that provides maximum benefits, as well as productivity, should be the target. For the simulation model, a cylindrical parison is meshed with triangle membrane elements. The simulation is one of the research efforts to obtain information to. Polycad software suite software for plastics processing. Cad representation for the part mold and parison or preform, figure 3 material properties of the polymer initial thickness distribution of the parison or preform figure 5 process description, moldclosing pattern, pressure timing and. A comprehensive experimental study and numerical modeling of.
The companys engineers wanted to determine whether injection molding simulation could be performed with the already deployed generalpurpose ansys fluent cfd software used throughout schneider electric for a wide range of simulation tasks. Most of the worlds plastic fuel tanks are designed using blowview software, according to the national research council of canada. Mold simulation software simulation is a necessary tool that assists injection molders and moldmakers to optimize the design and process of molds and to better understand the injection molding process. The challenges are the stability under pressure, the integration of internal components and the chemical resistance against the fuel. Cad representation for the part mold and parison or preform, figure 3 material properties of the polymer. Apr 01, 2004 efforts have been made to simulate the extrusion blow molding process for at least a decade, but actual use has been slow to take hold. Mar 24, 2014 the primary simulation tool for queens all along has been abaqus finite element analysis fea software from dassault systemes simulia see a primer on nonlinear fea, below. Bsim predicts the final wall thickness distribution based on the specified processing parameters the pressure level, the speed of tools, the parison preform initial temperature distribution, etc. Blow molding has been one of the slowest processing sectors to adopt simulation software as a design and troubleshooting tool. With it, mold makers can optimize their designs for systems such as cold runners, hot runners and ejector packages. Custom blow molded fluid reservoirs and tanks gemini group. Sophisticated software is helping to reshape plastic part design from optimization to simulation, digital tools are helping the cause. Im to start doing fe simulation of the pet bottles blow molding process and not sure what software to choose.
Most of the worlds plastic fuel tanks are designed using blowview software. Bsim is a software package for simulation of blow molding. Learning about the top injection molding simulation software can be very useful for these people. Ansys polyflow software shall be used to predict the blow molding behavior on the effect 34 mm diameter parison the final wall thickness distribution and stress contour occurred. This software has been developed specifically for the simulation of the blow molding process and covers the extrusion blow molding process as well as the stretch blow molding process. Using bsim, a cuttingedge blow molding simulation software, regency identifies potential issues and opportunities for improvement during the design phase, well in advance of. On the simulation software it was easy to study how the melt flows and in. Simulation of blow molding of polyethylene bottle using. Finite element simulation of the stretch blow molding process to make a pet bottle has been carried out using abaqus. The software includes a virtual prototyping platform that can be fully parameterized to perform optimization, whatif analysis, etc. Blow molders of fuel tanks, like vitek llc in detroit, say simulation software is a prerequisite for being able to tailor wall thickness for maximum strength at the lowest possible weight. Blow molding simulation software helps identify potential problem areas before any tooling is built.
Simulation of blow molding of polyethylene bottle using ansys. The computer simulation of the extrusion blow moulding process was done using. Blow moulding technologies equipment for the stretch blow moulding industry. New technologies are affecting the blow molding industry in a positive way 10 keys to the future of blow molding. An extrusion blow molding simulation using blowview. Digitalquad is the expert in all variation of blow molding simulations listed below. But it adds a tool to our repertoire that allows us to do development work before the molds are being. With simulation software, training is available 24 hoursday and you can design custom programs that truly reflect the conditions in your plant. Cutting edge blow molding simulation software allows for design feasibility testing and optimization of part design before any tooling is performed. Bsim predicts the final wall thickness distribution based on the specified. And our inhouse tooling capabilities eliminate any non. Bsim is a software package to visualize and simulate blow molding.
Bsim predicts the final wall thickness distribution based on the specified processing parameters the pressure level, the speed of tools, the. Then the plastic is cooled and the finished bottle, jug or tank is removed from the mold press. Virtual prototyping for the blow molding industry wilde analysis. Blow molded air intake assemblies by regency plastics. Sources attribute this lag to fears of computers replacing people in tool design, limited availability of commercial blow molding simulation software, relatively high software cost, and the absence of powerful forces in favor of its adoption.
Manufacturing processes where thermoplastic preforms are stretched or squeezed and. Sigmasoft virtual molding this software from sigma engineering provides simulations of flow, heat flux and warpage for injection molding. This 2part series of ansys how to videos demonstrates how to set up an ansys polyflow blow molding simulation using a surface mesh, or shell mesh. Plastics machines machinery and plant construction. Parison extrusion inflation solidification warpage 2. The model can be imported into the simulation software or can be drawn from scratch in the simulation. Run 10 practice cycles in the same time it would take to run 1 one cycle on a real machine. Rheoware rheology software simulation software for. Improving performance with a digital material laboratory polyflow helps you to investigate behavior of new plastics and elastomers for applications as diverse as extrusion, blow molding, thermoforming, fiber spinning and film casting. Blow molding simulation software is no magical solution to design and processing problems.
Plastic blow molding and thermoforming simulation software. Blow molding is an umbrella term for forming hollow plastic parts by inflating a viscous plastic tube, or parison, until it fills a mold and forms the desired shape. Blow molding, parison programming, bottle, weight reduction, lightweighting, optimization. Virtual molding technology is a complete molding simulation cae tool for polymer injection industries. The principals of the company have contributed in the development of simulation. Bsim computer simulation of blow molding and sleeve shrinkage. Blow molding and thermoforming simulation are similar in that they model stretching of a sheet or tube until it contacts a cold mold.
Blow molding is a fast, costeffective way to manufacture hollow plastic products and packaging. Bsim software package for simulation of extrusion and injection blow molding. Compuplast international has added a new feature to its virtual extrusion laboratory simulation software that lets the user take a photo of. Process simulation advances for stretchblow molding. Most of the worlds plastic fuel tanks are designed using blowview software, according to the national. Efforts have been made to simulate the extrusion blow molding. Blow molding process the inputs required for a successful blow molding process simulation are. Extrusion of plastics, like injection molding, is a relatively simple concept, but the design and application of extruders is a. Mold data is somewhat more difficult as the software will work best with data in the stl format, used mostly by mold makers. The blow molding allows to produce tanks with complex geometry. Bsim predicts the final wall thickness distribution based on the specified processing parameters. As a result, the numerical simulation of parison formation in extrusion blow molding remains a challenging task when it comes to high production rates, in particular when high we numbers are present. Simtech injection molding machine simulator paulson. Compuplast vel is the most comprehensive, cost effective and easytouse simulation software available for the extrusion.
From blow molding process to structural performance with. Think of it like inflating a balloon inside of a water bottle. The model can be imported into the simulation software or can be drawn from scratch in the simulation package. Software targets variety of processes plastics machinery. Computer simulation of the load test of an extrusion blow moulded. Process simulation gathers momentum in blow molding in. Such software can also reduce the manufacturing cost. The easy to use gui coupled with the super efficient solver have made this the. What injection molding flow simulation softwares do you know.
The principals of the company have contributed in the development of simulation capabilities through special interest consortium lead by canadian nation research center cnrc. The simtech injection molding machine simulator will a webbased closedloop injection molding machine simulator. Modeling optimizes blowmolded pet bottles packaging digest. Jackson calls blow molding simulation a work in progress that has definite limits in its current ability to solve problems. We now have a multinational industrial collaborator that is using our current software tool to optimize its preforms and containers and troubleshoot production problems, menary says. Sigmasoftvirtual molding broad suite of software modules allow companies to optimize their molding systems on every project, whether simple or complex. Blow molding simulation software comsol multiphysics. Blow molding process simulation with simulia abaqus youtube. Inhouse tooling design and build allows better cost control, reduced lead times, and quick turnarounds on engineering and design changes.
Simulationbased approach for probing rheologyprocessing. Pdf simulation of blow molding using ansys polyflow. Sigma simulation software enhanced plastics machinery magazine. Regency plastics supplements our engineers decades of experience in blow molding with state of the art blow molding simulation software that takes the guesswork out of the design process. Blow molding sigma simulation software enhanced sigma engineerings sigmasoft virtual molding software provides simulations of flow, heat flux and warpage for injection molding. Simulation blow molding advisors at apex container tech inc. Digitalquad product design mechanical blow molding. A recent expansion doubled the size of our blow molding facilities and we continue our belief in innovation, vertical integration, and customer service. The meshless cfd software no grid points can help to understand all phases of the blow molding process, beginning with the clamping or pressing of the sheet in the tool, the pressure loading, the first touch of the sheet at the wall and the final stretching to all corners of the tank geometry. Blow moulding technologies also offers simulation services and biaxial stretch testing of preform designs. Vel will give users the ability to experiment on their process without the risk of damaging their equipment or wasting material and valuable production time.
Sophisticated software is helping to reshape plastic part design. In order to validate the new blowview software, a twinsheet blow molded gas tank was used as a case study. We have the answer to such requirements with our digital enterprise solution portfolio. Please login with a confirmed email address before reporting spam dear all, im to start doing fe simulation of the pet bottles blow molding. As the groups analyses of the isbm process grew increasingly sophisticated over the years, so did the softwares capabilities. It is used extensively to design and optimize processes such as. Advanced simulation software is being used to predict wall thickness on blow molded. Nearly all simulation packages require a cad model of the part.
Study of cae predictive analytics on product design and molding of key component molding of pet blowing machine plastic injection molded. Manufacturing processes where thermoplastic preforms are stretched or squeezed and inflated into a mold cavity. The challenging blow molding process can be simulated in simulia abaqus unified fea. Whether injection molding, extrusion, blow molding or thermoforming our modular software library and integrated standard components for automation and drives give you a fast and costeffective way of realizing the optimal plastics machine. Essentially, blow molding fills a heated plastic cylinder with air, causing the plastic to expand like a balloon and evenly fill a shaped mold.
1643 1063 1085 363 1447 16 78 78 273 1008 1514 1131 1268 911 416 725 95 319 1307 1328 1377 532 417 488 588 62 111 1010