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Industries > Automotive > Die & mould applications

Die and mold applications
Tool production

Today mold and dies are designed using a detailed simulation of production processes like metal stamping, casting and plastic injection molding. As this approach takes into account physical phenomena like part shrinkage and spring back, the resulting parts should –in the ideal case-  correspond exactly to the CAD drawings. In practice however this is not always the case and an iterative process is needed to adapt the tool.  In all this, detailed measurements of tools and first parts together with CAD comparison are very important. 
XC50_LS Cross Scanner

On the Metris LK CMM this can be done using traditional touch trigger probing or continuous analog scanning.  Laser scanning using the Metris line and cross-scanners on the other hand provides the user with a maximum of surface points in a short time frame.  Within Focus Inspection the deviation of the scanned surface to the original CAD are visualized using color maps. This provides powerful insights on where deviations occur, avoiding time consuming trial and error.

Tool repair
 
Due to tool wear or accidental damage, die and mold repair will be required. As tools are tuned in an iterative process, it won’t be possible at that time to rely on the original tool drawings. In case the tools are produced out-house at specialized tooling companies, no information on the tuning of the tools is available at all.
 
The alternative is make digital copies of the physical dies and molds using laser scanners like the Metris line and cross-scanners. The resulting point clouds can be imported in CAD packages or Focus Reverse Engineering to reverse engineer the original tool. The freeform surfaces extracted from Focus RE can be send directly to any CAM package to reproduce the original tool.
 


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