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• Delcam adds CAM Manager to knowledge-based dental machining system

Delcam has added a CAM Manager to its DentMILL knowledge-based CAM system for machining components for the dental industry.  This will make it even easier for technicians with minimal manufacturing experience to machine caps and bridges in ceramics and titanium using the latest CNC technology.

The CAM Manager includes nesting tools to orientate automatically all parts within the selected stock.  Part-used areas of the stock are automatically taken into consideration.  This allows the most efficient possible use of materials and so keeps costs to the minimum.  The user can specify the spacing to leave between pockets/borders of each part, the starting point for nesting, and the direction in which the parts should be nested.

The CAM Manager also has tools to allow the engraving of text and/or serial numbers for each part.  The font, size, position and orientation of the text can be controlled.  This makes it quick and easy to add a patient reference and mouth position to each component.

Finally, the CAM Manager lets users control the order of machining.  Parts can be grouped together and output in the same NC program.  This allows a priority cutting order to be defined, with a different machining template applied to each part or group of parts if required.

DentMILL is a stand-alone program based on Delcam’s PowerMILL CAM system, which is widely acknowledged to be a leader in high-speed and five-axis machining. This allows DentMILL to offer a far wider range of proven machining strategies than is available in other dental CAM programs. 

DentMILL is a completely ‘open’ CAM system that accepts data from any dental design system or scanner capable of exporting data in the STL format used widely within the dental industry.  Similarly, it can output machining toolpaths to virtually any CNC machine.  Most other dental CAM programs are part of a ‘closed’ system that can only work with unique data formats or specific machining equipment.

The DentMILL process begins by orienting the model using ‘undercut shading’ to easily position the part to avoid any undercut regions before machining.  The software then identifies the areas around the margin ‘prep’ line as very fine tolerances are used around this area to ensure high accuracy is maintained to give a perfect fit. Finally, the positions are specified for the fixturing pins to hold the part during machining.  Sintering pins can be easily added at this stage also if required. 

Once these stages are complete, the next step of manufacturing the model is completely automated.  The toolpaths to machine the part are generated in a single button click process, so no prior machining experience is required.

02 November 2007