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Gears Manufacturing Process

Gear is a transmission element used for the transmission of power from one point to another. Gears manufacturing involves various kinds of process. Here, we will understand about one of the most commonly used process by the Gears Manufacturers during making of Gears.

Hobbing:  It is a primary process for cutting gear’s teeth. In this process teeth are constantly moving work piece are formed by the equally spaced cutting edges of the cutting tool (HOB). The cutting tool that we use in this process is known as HOB thus the process is known as Hobbing. HOB is basically a cylindrical tool in which there are equally spaced cutting edges around its periphery.

Hobbing is a machining process for gear cutting, cutting splines, and cutting sprockets on a Gear hobbing machine, which is a special type of milling machine. The teeth or splines are progressively cut into the work piece by a series of cuts made by a cutting tool called a hob.

Steps Involved in Hobbing Process:

Firstly, the HOB and the work piece are adjusted such that the HOB cut the periphery of the work piece according to the requirement. Generally, the HOB is placed axially to the work piece so that the teeth being gradually formed as the tool traverses the work face.

Now, both the element i.e. HOB and work piece are rotated relatively to each other. The motion of the HOB and work piece should be in continuation and timed relationship. The speed of the HOB and Work Piece are so that when the HOB completes one revolution, the work piece should move as a distance of 1 pitch only. In the end, we will get the gear of desired teeth.

Below shared image clearly shows the relative motion of HOB and Work Piece.

gear manufacturing process

Gears Hobbing Process

Hobbing process is widely used due to its versatility of producing a variety of gears including Splines, Spur, Helical, Worm Wheels etc. The hobbing process gives a higher rate of productivity rate than any other process.  One of the most important concept about Hobbing process is that the Hobbing process is a generating process. Generating process means that the shape of the resultant gear teeth is not the conjugate form of the cutting tool rather it is generated by the combined and repeated motion of work piece and the HOB.

We at as a leading Gears Manufacturer, Supplier and Exporter of Industrial Gear. We have an expert team of skilled engineering who use Hobbing process in order to manufacturer Spur, Helical Gears. We have expertise in the manufacturing of gears from 10 mm to 1000 mm. We manufacture all types of Industrial gears according to the standard size and according to the requirement by the customers.

We are OEM in Gears Manufacturer build standard and customized gears according to the machine’s requirement. Please send your inquiry with us at gaurav@ashokaengineering.com or send Query

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