Gear cutting process with form tool6/14/2023 ![]() ![]() ![]() These composite processing machines can complete the processes from broaching (bore inner surface machining) and milling (cutting) to hobbing, minimizing changeovers and allowing for greater efficiency in gear production. In recent years, composite processing machines based on lathes are becoming common. These gear manufacturing machines allow operators to easily adjust the cutting speed and to specify the number of gear teeth. Today, each process uses an NC gear manufacturing machine, such as a hobbing machine (machine for cutting out teeth). In gear making, steel cylinders are first cut into circular plates, which are then machined into blanks (holed plates without teeth) before undergoing the processes of hobbing (cutting out teeth), quenching (heat treatment), and grinding of the surfaces and the teeth. During the Industrial Revolution, machines dedicated to making gears were developed in quick succession. Gears were made by hand from ancient times until the 18th century when mechanization became widespread in Europe with the introduction of clocks and other machines.
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