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A Guide To Gear Hobbing

June 26, 2018

There are many industrial processes involved in the manufacturing of gears. From gear grinding and shaping, to gear hobbing and cutting, all of these processes play a different role in the manufacturing of gears.


Gear hobbing involves the cutting of blank work-pieces, creating the teeth and splines for both gears and drive shafts!


Gear hobbing is one of the many processes used to create gears. It involves the use of a hobbing machine. A hobbing machine uses a hob to do its cutting. A hob is a cylindrical device with sharp helical teeth that, when the hob is spun, cuts against a rotating blank metal workpiece, slowly creating the teeth of the gear.


As a hobbing machine starts cutting into the blank piece starting at either the top or bottom, the machine gradually increases the depth of the carve with each cut. Once the desired depth is reached, the piece is then either slowly raised or lowered, allowing the machine to cut through the rest of the piece to the other side.


When gear hobbing is done, it’s typically used to create a range of gears, including helical gears, ratchets, spur gears, worm gears, splines, and even sprockets. Since gear hobbers are used to create a variety of gears with different sizes, shapes, and functions, hobbing machines need to be able to accommodate this.


At True Gear & Spline, we offer a wide selection of gear products, using a number of gear manufacturing services. Aside from gear hobbing, we also offer grinding, shaping, and machining services that utilize CNC technology.


Using CNC technology, we’re able to produce gear products crafted with precision and a consistent high quality. We take great pride in our ability to produce quality products using the most advanced technology available today. We’re a leading manufacturer of high quality gear products, so contact us today!