NUM is extending the power of its world-leading tool grinding software package, NUMROTO, with enhanced collision detection and other new features. NUMROTO is programming software for producing and resharpening special-purpose tools, and is used in over 2,500 machines worldwide. In the new 3.5.1 version of the software, NUM is enhancing the collision detection capability of the simulation tool. Users can now create machine models that will accurately account for all of the add-on and moveable parts of a machine such as supports, tailstocks, steady rests and special chucks. This new feature allows exhaustive simulations to be carried out on new tool grinding programs and helps grinding wheel or other abrasive tool for the purpose of removing metal and finishing workpieces to close tolerances. Provides smooth, square, parallel and accurate workpi…" title="Powers a grinding wheel or other abrasive tool for the purpose of removing metal and finishing workpieces to close tolerances. Provides smooth, square, parallel and accurate workpi…" aria-label="Glossary: grinding machine">grinding machine manufacturers to engineer more compact machines.

Among numerous other notable new features in NUMROTO 3.5.1 is enhanced protection against grinding wheel overloads, achieved by means of continuous high-precision monitoring of removal rates. This feature automatically flags even the shortest-duration overloads, and can also be used to optimize feed rates and operation cycle times.

Applications such as grinding form cutters will be helped by another new feature.

NUMROTO can now import compensation profiles that have been generated by an external measuring machine, to control subsequent grinding operations that produce the tool's final form.

NUMROTO 3.5.1 also extends the capability of its in-process measurement feature for more grinding operations. Support for several new measurements, especially ones that aid the machining of inserts, are added.

A final notable feature is improved support for tool grinding operators that employ custom code sequences for special purposes.

NUMROTO will now integrate and simulate proprietary ISO CNC programs in 3-D.