The growing challenges of grinding and servicing new generations of complex-geometry drills and end mills are resolved by a new release of the Numroto tool grinding software package. Version 3.8 of NUM’s market-leading software automates multi-helical and variable flute grinding, as well as providing a new form cutter function for profile inserts. It is available to existing Numroto users as an update.
Numroto is widely regarded within the tool grinding industry as one of the best and most versatile CNC software solutions on the market. Launched by NUM in 1987, it has undergone continuous development to stay ahead of improvements and innovations in machine tool design. The software runs on NUM’s powerful Flexium+ CNC system, which offers significant advantages. These include the use of sub-nano interpolation to ensure high quality surfaces, with short cycle times to allow fast 5-axis movement – even if the part program contains a very high density of ISO sequences. Flexium+ supports all the safety functions that are needed on today’s high performance machines and can be operated very easily, using the same type of ‘dual touch’ gestures that are employed with modern smartphones.
To use full power of modern PC’s
By harnessing the speed and computational capabilities of modern PCs, the latest version of Numroto software is able to handle the extremely complex path calculations necessary to create these sophisticated flutes. Users can now define the core path geometry of flutes on end mills very easily and accurately. Designers and manufacturers often seek this functionality when optimising the chip transport characteristics of high performance machine tools – the rate at which chips are removed from the cutting face has a major bearing on the tool’s cutting speed and efficiency.
Working in partnership with a number of leading machine tool manufacturers and tool sharpening companies, NUM has further developed Numroto’s form cutter function to simplify insert grinding significantly. Users can now define a form cutter as a rotary tool or as a standalone profile insert. Holders with soldered or cemented inserts can still be defined as rotary tools, and the position of each insert can be probed individually, allowing any mounting inaccuracies to be detected and compensated for automatically during the grinding process.
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