Know all about Automobile and gears


Today’s world is powered by high-end engines that drive the motors and make. the functioning of different appliances feasible. One thing that has escalated throughout the years is the speed at which a thing is done, or more specifically how quickly does a machine get the work allotted to it. The rate at which the work is completed by the machine has drastically improved through the years given the enormous development in the technology and engineering associated with the automobile industry. This particular development concerned with the speed can be solely attributed to the introduction of gear systems in motor-powered automobiles or engines or appliances. A gear has many different forms, it has different gear milling cutter designs. These cutters are used in gear cutting.

What is a gear on the first hand?

Firstly, to begin with, gear is basically a mechanism which is structured as a meshwork resembling that of teeth. They are toothed components that work mechanically and function by transforming the power and motion among the components of a given machine.

What are the components or parts of the gear?

A gear is mainly composed of two major elements, namely the radius and the number of toothed sections it possesses.

A radius can be defined on various aspects depending on the specific part of the gear. One is the root radius, which spans the distance between the centre of the gear to the teeth’s base.

Other is the addendum radius, which is the distance between the centre of the gear to the outer part of the teeth.

Secondly, teeth are the part of the gear that enables one gear to come in contact with the other gear.

How is this gear cutting carried out?

It is the process of cutting the gear into desired structures and thus obtaining a desired form of gear. A gear hobbling machine is used for cutting the teeth of the gear.

What are the types of milling cutters?

End mill, ball cutter, face mill, slab mill, fly cutter, involute gear cutter and so many more.

Steps involved in the process of milling :

On a whole, it involves three steps namely, the

Step 1: roughing

Step 2:semi-finishing and,

Step 3: finishing stages.


Gear milling is basically a process that involves moving a tool through the axis along the work piece, which eventually mills the gear out in the teeth space. Further, the work piece end is rotated about the distance of a single tooth space, following this the process of milling is then repeated. The processing of the work piece is continued slowly until the tooth is cut around the full work piece. In between after cutting of each tooth, the cutter is removed and then only the gear is rotated.

Every cutter used is carefully curated to yield a wide variety of tooth numbers. The degree of precision of each of the tooth is directly proportional to the degree of accuracy that the cutter possesses as well as the machine’s stiffness.

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