The cutting speed of the high-speed hobbing machine is one of the key parameters in gear hobbing.

The cutting speed is one of the critical parameters in gear hobbing, directly affecting the processing efficiency and quality of high-speed hobbing machines.

The cutting speed typically refers to the spindle speed of the lathe, and the setting of this speed requires consideration of various factors.

1. The material and diameter of the roller are the main factors affecting the cutting tool's speed. Rollers with different materials and diameters possess varying cutting performance and speeds, thus requiring the specific roller's details to determine the cutting tool's speed.

2. The material and hardness of the workpiece will also affect the tool's rotational speed. If the workpiece is harder, it is necessary to reduce the tool's rotational speed to avoid rapid tool wear; conversely, if the workpiece material is softer, the tool rotational speed can be appropriately increased to enhance processing efficiency.

3. The structure and performance of high-speed hobbing machines also affect the tool's rotational speed. They typically use high-speed motors and high-precision bearings to support the tool's high-speed rotation, thus requiring the tool's rotational speed to be determined based on the actual conditions of the equipment.

In practice, the setting of the tool speed for high-speed hobbing machines must be considered comprehensively based on the specific parameters of the hobbing machine, the material and hardness of the workpiece, and the processing requirements. Generally, the tool speed of high-speed hobbing machines can be adjusted within a certain range to accommodate different processing needs.

It's important to note that when setting the tool spindle speed, one must also consider the impact of other related parameters, such as feed rate and cutting depth. These parameters need to be coordinated with each other to ensure the stable operation of the equipment and the quality of the processing.