Machining methods for gears

Writer： admin Time：2024-11-18 11:29:27 Browse：9℃

The machining methods of gears mainly include the following:

Milling teeth

Use disc modulus milling cutters or finger milling cutters for machining.

The cross-sectional shape of the milling cutter teeth corresponds to the shape between the gear teeth.

This method has low processing efficiency and accuracy, and is mainly suitable for single piece and small batch production

Gear hobbing

It belongs to the development method of machining, and its working principle is equivalent to the meshing of a pair of helical gears.

It is a commonly used method in gear machining

Shaving teeth

Shaving is a commonly used precision machining method for non hardened tooth surfaces in mass production.

Gear insertion

Besides gear hobbing, gear hobbing is another commonly used cutting technique that utilizes the generating method.

Developing method for grinding teeth

Cutting motion is similar to gear hobbing and is a method of tooth profile precision machining.

Especially suitable for hardened gears, it is often the only precision machining method

Honing teeth

The principle of honing teeth is similar to shaving teeth, using relative sliding at the meshing point and applying a certain pressure between the tooth surfaces to perform honing.

Electric spark cutting

Electric discharge wire cutting, abbreviated as wire cutting, is a machining method developed on the basis of electric discharge perforation and forming processing.

Gear rolling

It is a mass production processing method that can quickly obtain tooth surfaces with surface micro roughness within 1mm.

The commonly used cold rolling process includes the method of directly using a gear forming tool to mesh with a gear blank and roll it into a gear,

 as well as the method of meshing the gear after rough machining with two gear rolling tools for precision machining of the gear profile.

In addition, other specific machining methods can be selected based on the type and purpose of the gear. For example, for special-purpose gears such as oil pump gears, speedometer worm gears, etc., 

specialized machining methods and equipment may be required. During the processing,

It is also necessary to pay attention to selecting appropriate cutting tools, cutting parameters, and machining processes based on factors such as gear material and precision requirements to ensure machining quality and efficiency.