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Vero to release VISI 20 in Chicago next month

28 August 2012

Significant CAD enhancements and CAM developments are promised for the new version of Vero's VISI mould and die focused software. VISI 20 gets its first public showing at IMTS 2012 (September 10-15, Chicago). 

Major graphic enhancements in VISI 20 include the ability to fast-view a file before opening, allowing pan and zoom functionality. Other enhancements incorporate improved rendering, programmable command widget and the ability to show locked elements using a different graphical representation (light wireframe and light shading).

The wide range of significant CAD enhancements introduce a new 'collaboration mode' allowing multiple users to work on the same project dataset. Other improvements include the ability to assign constraints to geometrical bodies (Concentric, Parallel, Coincident, Distance, etc) providing the tools to simulate the real movement of tooling and check for collisions. In addition, CAD translators have been updated to include support for Solid Works and Solid Edge assemblies, and support for PTC Creo and JTopen B-rep entities.

New toolpath algorithms include a hybrid roughing strategy, improved auto rest machining, new multi-axis flank milling and new multi-axis roughing machining. The new roughing strategy is based on hybrid machining technology that allows the system to reduce the rapid moments, avoid tool plunging into material, optimise stepover in excess of 50% and propagate high speed transitions and movements avoiding feed reduction while machining.

The new multi-axis flank milling is a strategy developed especially to cover all issues related to machining fluid parts for turbo-engines or aeronautical parts. The flank milling is optimised to produce the target surface with only one cut, using the whole flute length of the tool. The new multi-axis roughing is a strategy that allows the user to create 5-axis roughing toolpaths on triangle meshes using different cutting patterns.

Other CAM developments include improved collision control, a new feature recognition engine, support for additional tooling (barrel cutters, convex tip cutters, radiused chamfer cutters and radiused dove cutter) and a new 'dynamic incremental stock' (DIS) command that automatically creates the stock model from the uncut material of the previous operations -- to be used as reference for subsequent milling operations.

Wire EDM developments include the ability to auto detect undercuts. When the offset is larger than the radius of an arc, the toolpath can self-intersect. The solid simulation has been enhanced to detect these conditions where the toolpath crosses and highlight these in the movement list. The user can optionally ignore these conditions or have the simulation automatically stop when they occur.

New corner relief tools allow the addition of corner relief to all internal corners and external corners independently. It is usual for a user to want to apply these separately; for example to add relief to a die-only internal corner. Finally, the technology database has been enhanced so the materials presented are filtered against the machine model as opposed to the machine family, and the available wire types are filtered against the material type. This leads to a more efficient and accurate technology selection for the user.

VISI Progress developments include a new tool building engine, improved unfolding and new middle skin functionality for flanging and blanking operations. Other enhancements include a completely rewritten explode tool, improved catalogues, and continued collaboration with CADENAS.

VISI Flow, for plastic flow analysis, has been made 64bit compatible, with improvements to sequential moulding, gas assisted, and overmoulding, along with new tools for conformal cooling. This thermal analysis project relies on the ability to add 3D cooling circuits, produced using rapid prototyping and previously impossible to produce using traditional drilling / boring cycles.

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