product development | CAE software
PTC has established a pa rtnership with Moldex3D to integrate its mould analysis product into PTC Creo, known as Creo Mold Analysis
Creo Mold Analysis helps designers and engineers analyse their design early and often during the design process
simulated in Mold Analysis directly. This allows the designer to optimise the model and moulding conditions through design studies. Injection trial runs can also be reduced by leveraging IoT technology in injection moulding simulation. Parameters can be optimised by comparing the differences between the analysis result and the data measured from an injection machine.
Simplifi ed runner analysis The full Moldex3D product offers a whole range of additional features and capabilities, with one of the latest developments being simplifi ed runner system analysis. The software fi rm says there are many factors to consider in the early stages of mould manufacturing, including fl ow balance, structural stress and assembly tolerance. Successful Design for Manufacturing (DFM) enables mould designers to accomplish mould design changes and optimisation in the early stage of the injection moulding process and achieve further production goals such as cost reduction, lightweight design and carbon emission reduction. Moldex3D has introduced a new feature that offers
an effi cient solution for attaining quick simulation results with higher computing speed and effi ciency. The company says that the accuracy of the fl ow balance analysis has also been greatly improved. In Moldex3D R13 users can run a simulation analysis without import- ing a complete runner system. They only have to specify the gate locations, and the simulation accuracy can be at the same level as that of a project with a complete runner system. The analysis is based on the same 3D numerical simulation as for a complete runner system. It follows the given melt delivery conditions and the law of conservation of energy among the gates when the fl ow is balanced. In the fi lling analysis, it also has dynamic adjustments in order to achieve the same analysis accuracy as the one with a complete runner system. Therefore, users can reduce the analysis time spent on a runner system and quickly determine the gate sizing and gate locations. The software developer says the iterative design time after the runner system is added can be further reduced.
Follow the rules
Injection moulding does not have to be a gamble, according to Director of Product Portfolio Management at Dassault Systèmes’ SolidWorks Plastics Peter Ruckinski, who says that a design can work the fi rst time it is put into an injection moulding machine. He points out that, when designing injection moulded plastic parts, there are some simple rules to follow that will help to ensure higher quality parts that are easier to manufacture. “Maintaining uniform wall thickness is the single
Moldex3D has added simplifi ed runner system analysis for quicker and reliable simulation
44 INJECTION WORLD | January/February 2016
best design element you can incorporate in injection moulded plastic parts” he says. “Uniform wall thickness promotes uniform fi lling patterns, uniform moulded-in
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