I started out by calculating Speeds and Feeds with HSMAdvisor and come up with the following starting parameters: About 43RC hard.ĭue to an island in the middle (leaving only 3/4" room for the tool) I could not use a bigger indexed cutter, so i decided to use the adaptive clearing toolpath. The job at hand was to machine out a 5" disk out of pre-hardened 4340 steel. Sources: Press materials received from the company and additional information gleaned from the company’s website.HSM with MasterCam Dynamic Milling has long been one of my favorite toolpath strategies when machining hardened and tough to machine steels. Other new enhancements include new dynamic milling techniques that constantly adjust the toolpath, dynamic contouring to remove material along walls, and enhanced feature based machining (FBM) enhancements.įor more information, visit CNC Software’s Mastercam site.
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