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2007-11-14 Manufacturing News
Delcam to reinforce moldmaking leadership at Euromold Delcam will demonstrate its latest software developments in moldmaking design, machining and inspection of molds at the Euromold exhibition.
Delcam was ranked as the world’s leading supplier of CAM software and services to the moldmaking, tool and die industry in the latest CIMdata report. The company expects to reinforce its leading position with its new software releases at Euromold held in Frankfurt, Germany from the 5th to 8th of December, 2007. The main change to Delcam’s Toolmaker mold design package is the improved speed of its unique Power Features approach to parametric tool design. Mold components that incorporate Power Features react automatically as they are placed into an assembly, adding all the necessary fit-features to the connecting components. For example, if the designer adds an ejector pin to the mold assembly, the software automatically creates the corresponding hole features in the plates through which it passes. Furthermore, the tolerances between the various components are also defined automatically. Thus, a sealing-fit hole is placed in the die block and the necessary clearance allowance added to the holes in all the other plates through which the pin passes.
Of course, Power Features maintain relationships in a similar way to parametric objects in other CAD systems so that, if the pin moves, all the associated holes move with it. However, the automatic creation of relationships makes the development of the design much quicker than other systems and also makes errors in the design process less likely. Toolmaker incorporates a high level of intelligence when suggesting appropriate sizes for components defined with Power Features and will recommend standard sizes whenever these are available from the many catalogues within the system. When changes are made to the mold design, the software recommends the nearest alternative standard size rather than using simple mathematical changes to the component’s dimensions. This minimizes the need for non-standard components, which take longer and are more expensive to make. Like other recent versions of Delcam’s industry-leading CAM software software, a major focus of PowerMILL 8 is additional options for five-axis machining. However, the new release also includes enhancements and speed-ups throughout the program. In particular, improved memory management within the software gives significantly faster calculation times, especially for large, complex components, like press tools for automotive bodywork, and for smaller, highly-detailed models, such as molds for fine-tolerance and high-accuracy parts. The most significant of the new five axis options is a powerful tool-axis editing function that allows the user to select any region of a toolpath and redefine the tool-axis vectors within that region. Previously, a single tool-axis specification was applied to a complete toolpath, although this could be adjusted automatically to avoid any collisions. The new ability to use different options in different regions of the toolpath enables users to optimize cutting conditions and avoid any sudden machine tool movements that could result in a poor surface finish. The latest release of the PowerINSPECT inspection software includes several changes to make it even easier to use. The main improvement is the introduction of a color-coded scheme for the points to be measured. Under the scheme, all points to be inspected are initially coloured blue, apart from the position for the first measurement which is shown in red. As the inspection proceeds, the next position to be measured is always shown in red, while each point that has already been taken is turned to grey. The new scheme can be applied either when using teach-and-learn inspection
of the first item in a production run or when programming a sequence for
a number of parts off-line. In both cases, it will make it easier for
any user to reproduce exactly an inspection sequence developed by a different
operator. Similarly, it will help when duplicating an inspection last
undertaken some time before, when the user cannot remember the complete
sequence.
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