“Armed with these two capabilities, manufacturers can now decrease 5-axis cycle times and achieve consistent quality for any part.”Ī new material-specific optimisation tool, Optipower, was introduced in 2019 to optimise the program and limit the power necessary to remove material. “NCSIMUL also now simulates the performance of the target machine to evaluate when the 5-axis cutting factor is close to 100 per cent, so that users can modify the stock orientation and position to achieve the desired feed rate. “Singularity point analysis makes it possible to achieve the required surface quality for complex parts virtually, before going to the shop floor to cut the first part,” said Philippe Legoupi, product owner at Hexagon’s Manufacturing Intelligence division. Hexagon states that it also helps manufacturers optimise the stock position and orientation, which affect the achievable cutting feed rate of 5-axis continuous trajectories, leading to cutting factors that can differ significantly from the CAM program for a given machine. The new release form NCSIMUL helps by predicting the lines of code where there may be problems with vibrations and surface quality, programs can be improved by modifying cutting strategy parameters or changing strategies altogether. When the CNC toolpath generated by CAM software passes through, or near to, the singularity point, the machine tool can behave erratically – causing vibrations that result in ‘chatter marks’ on the component being machined, knackering the quality of the surface finish. Hexagon’s CNC machining simulation software NCSIMUL is looking to help manufacturers avoid notorious 5-axis singularity and improve the quality of complex parts.
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