The working principle of CNC gear hobbing machine

Writer： admin Time：2024-08-11 14:32:58 Browse：50℃

The working principle of CNC gear hobbing machine mainly involves computer program control. By inputting the parameters of the gear to be machined,

 such as tooth number, modulus, helix angle, etc., the computer automatically calculates the motion path and cutting parameters of the tool.

The control system commands the host to perform cutting according to the calculated path and parameters, thereby achieving high-precision and high-efficiency gear machining. 

The CNC gear hobbing machine is mainly composed of the host, control system, tool drive system, fixture system, and cooling system.

The host is the main body of the entire device, and the scientific design of its structure directly affects the processing efficiency and accuracy of the equipment. 

The control system is equivalent to the "brain" of the device, which controls the movement and positioning of the device, as well as various parameters during the processing.

The tool drive system is responsible for driving the tool for cutting, while the fixture system is used to fix the workpiece to be machined.

 The cooling system is responsible for cooling the tools and workpieces during the machining process to prevent high temperatures from affecting the machining quality.

The basic principle of gear hobbing is to use a gear hobbing tool to machine the tooth profile of gears, racks, etc. on a gear hobbing machine. 

When hobbing, the hobbing tool performs a reciprocating cutting motion up and down,

Simultaneously rolling relative to the workpiece. This processing method is similar to a pair of meshing cylindrical gears, 

where one is the workpiece and the other is a gear shaped gear hobbing tool with a specific shape.

Gear hobbing machine is mainly used for processing multi link gears and internal gears, and can also process racks after adding accessories. 

Specialized cutting tools can also be used to machine non-circular gears, incomplete gears, and inner and outer formed surfaces.