In some cases, gears for various industrial and commercial applications continue to be produced on conventional, dedicated gear-making equipment that perform operations such as hobbing, gashing, shaving, etc. However, an increasing number of gear manufacturers are using more universal CNC equipment, including multitasking turn/mill machines that have been modified to also machine gear features. This often requires special cutting tool designs and toolpath strategies, or the addition of custom hobbing tools. In addition, grinding machine and grinding wheel technologies have advanced to the point that, in some cases, gears can be ground completely from blanks, eliminating traditional preliminary roughing operations that were previously required to form teeth profiles prior to final grinding finishing passes.
Feature With so many advances being made in gear grinding technology, where does that leave processes such as hobbing, shaping and shaving? This shop explains its machining methodology.
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