Latest VISI Improves Progressive Die Design

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se unió: 10/04/2021

Latest VISI Improves Progressive Die Design

Upgrades to the new part unfolding technology provides the ability to work directly on the original solid model, supports blanking functionality, and manages parts with non-linear bends.To get more news about progressive die stamping, you can visit tenral.com official website.

The sheet metal part recognition provides an improved graphical representation of the part, analysed by identifying bends, planar faces and features. Different face types can be set, to be considered for the blanking process. The new technology allows linear blank unfolding and flange unfolding to be combined into a single functionality. With linear bends, the system will unfold using the linear bend unfolding technology, while flange areas unfold using the FEA unfolding solution. And coining faces can also be unfolded as part of the same process.

VISI Product Manager Marco Cafasso says the major advantage of the new technology is the associativity provided with the original model during the die design process. “It allows the original part to be modified, and changes to be automatically propagated on the banked part. This new feature allows all the linked parts to be rebuilt in reference to a modification done to the original part. This is extremely useful because it updates all the studied parts in a single click, and is a major time saving in the design and modification phase of a progressive die.”
The Reverse module has been enhanced with additional functionalities for both Reverse and Casting processes, including new features to support the scanning to surfaces generation.

He says features such as radius generation from mesh, plane generation, adapt mesh on boundary, and sectional curves on mesh, provide greater benefit for the reverse process from point scanning to solid model generation. “A new Best Fit feature aligns a stock model to the final solid model by setting tolerances on different faces. This is extremely useful for the casting market, as it allows the cast model to be scanned, achieving a best fit alignment with the final geometry, producing an optimised toolpath with reduced machining time.” The stock model can then also be used for machining simulation purposes.

The Compare feature has been improved to provide an enhanced graphical evaluation of the results, and to display distances between the scanned model and the final solid model. “The enhancements achieved provide quality improvements to both processes as well as time saving from the scanning to the manufacturing process.”
A new body to mould functionality has been introduced, which provides a quick solution to define the correct position and orientation of a plastic part on the tool. The feature allows the transformation of the model from the “car in line” position to the mould position, and to apply the required shrinkage value. “The original position of the model can also be restored if modifications are required for the moulding of the part. This is extremely useful especially, but not only, for the automotive market, as it provides a time saving for the mould design process.”

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