Long part machining improved and multitasking with Esprit CAM

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Esprit CAM, part of Hexagon’s Manufacturing Intelligence division, has introduced a new CAM technology which improves the productivity for long part machining, such as shafts and axles, giving manufacturers the flexibility required to exploit multi-spindle and multi-channel CNC multitasking machinery.

The Esprit TNG CAM software now automatically tracks the location os work offsets and related transfers, both of spindles and bar pulls, regardless of part position. It therefore provides the machinist a NC code that tracks machine motion for greater flexibility and readability at the machine control. The solution thus creates an exact digital replica of every facet of the machining environment, helping manufacturers use the world’s most sophisticated and cutting-edge machine tools with confidence, thanks to high productivity program creation of error-free tool paths.

Esprit TNG now also enables manufacturers to perform face-milling operations with a unique “roll-in” lead-in strategy recommended by Sandvik Coromant to improve surface quality, reduce cycle time, and extend tool life. This lead-in technique positions the cutter for ideal thick-to-thin chip formation, which indicates that the insert engages the material deeply enough at entry to make a significant cut before exiting smoothly to reduce vibration and ensure consistent, high-quality surface finish. In addition to being less damaging to cutter inserts, this strategy eliminates the need to manually calculate face-milling stepovers during the programming process, which automatically ensures a consistent and even surface across the entire workpiece.

The new release also offers productivity benefits for 3-axis operations, offering a toolpath creation now 20 times faster. This means that toolpath that once took 30 minutes to generate can now be calculated in about two minutes. Furthermore, a new 3-axis toolpath can now be created in Esprit TNG from an existing operation without recalculating the entire toolpath. Areas in collision can be trimmed from toolpath generated for use with short cutting tools, or re-machining operations can be created with a long tool to cut only areas that cannot be reached with the shorter tool.

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