Technology. Generative gear milling is an innovative software centered gear cutting technology that offers new cost reduction opportunities for machining coarse pitch gears by using simple and universal milling cutters. 

Software app. A hobbing machine or a milling machine with a rotary table can be equipped with a generative gear milling software app that would expand the machine capabilities to include generative milling, increased pitch capacity, and improved efficiency for cutting coarse pitch gears.

Flexibility. Since generative gear milling allows for an infinitely variable density of generative cuts, a hobbing machine or a milling machine equipped with a generative gear milling software can cut much coarser gears as compared to the hob cutting process.

ROI. The implementation of the generative gear milling technology does not necessary require a new hobbing or milling machine.  An existing CNC hobbing or milling machine with a rotary table could be upgraded with a software app to enable the generative gear milling process, providing an appealing ROI.

Opportunity. Confluence of machine computerization, legacy mechanical gear cutting concepts, and a possibility of relatively inexpensive way of generative gear milling technology acquisition and implementation (via a software app) provides new opportunities to a wide range of coarse pitch gear manufacturers.

MTB Generative Milling Technology Highlights


Cutting cycle
  • Computer simulation of cutter travel prior machining
  • Infinitely variable number of generating cuts
  • Defaults for the cutting process
Universal milling cutter
  • Carbide or HSS
  • Symmetric or asymmetric disc cutters
  • End mill cutter
  • Same cutter used for a wide range of pitches & pressure angles
Setup adjustments
  • Profile adjustment based on profile slope errors
  • Lead adjustment based on lead slope errors
  • Independent adjustments of Right and Left flanks
Profile modifications
  • Tip relief
  • Root relief
  • Undercut for subsequent grinding operation
  • Left & Right flanks independent profile modifications
Lead modifications
  • Crown
  • Special lead modifications
  • Left & Right flanks independent profile modifications