Worm grinding wheel is an important tool in the gear grinding process, mainly used for worm and worm wheel grinding. It has a wide range of applications in automotive, engineering machinery, aviation and other fields. In this paper, the application scope, grinding principle, characteristics and grinding wheel dressing of worm grinding wheel are introduced in detail.

Scope of application

Worm grinding wheels have a wide range of applications in gear grinding. It is mainly used to grind various types of worms and worm gears, such as ruled worms, spiral worms, arc worms, etc. At the same time, worm grinding wheels are also widely used in the grinding of various gears, such as cylindrical gears, bevel gears, planetary gears, etc. By using the worm grinding wheel, the accuracy, surface quality and stability of the gear can be effectively improved.

grinding principle

The grinding principle of the worm grinding wheel is mainly to use the abrasive particles on the surface of the grinding wheel to cut the worm and the worm wheel. When the grinding wheel is in contact with the worm and the worm wheel, the abrasive particles on the surface of the grinding wheel will penetrate into the surface of the worm and the worm wheel and cut off the material. During the grinding process, the contact area between the grinding wheel and the workpiece will generate friction and heat, resulting in the melting and vaporization of the surface material of the workpiece. At the same time, the rapid rotation of the grinding wheel will also take away the cut material, so as to achieve efficient grinding of the worm and worm gear.

grinding characteristics

Worm grinding wheel has the following characteristics:

High grinding efficiency: Because the abrasive particles on the surface of the grinding wheel have high cutting force, the grinding efficiency of the worm grinding wheel is high, and a large number of grinding tasks can be completed in a short time.

High precision: Advanced technology and technology are used in the manufacture and use of the worm grinding wheel, so it can achieve high-precision grinding and effectively improve the accuracy of the gear.

Good surface quality: By using the worm grinding wheel, the surface quality of the worm and worm wheel can be effectively improved to make it smoother and finer.

Good stability: The structure of the worm grinding wheel is stable and rigid, and it can still maintain good stability under high-speed rotation, so as to ensure the quality and effect of grinding.

grinding wheel dressing

In order to ensure the grinding efficiency and accuracy of the worm grinding wheel, the grinding wheel needs to be dressed regularly. The main methods of grinding wheel dressing are as follows:

Periodic dressing method: Periodic dressing refers to dressing the grinding wheel at certain intervals, such as dressing once after grinding a certain number of workpieces. This dressing method can repair the wear of the grinding wheel surface in time and maintain the grinding efficiency and accuracy of the grinding wheel.

Adjustment method: The adjustment method refers to dressing the surface of the grinding wheel by adjusting the relative position of the grinding wheel and the workpiece. For example, by adjusting the eccentricity of the grinding wheel spindle to change the shape of the grinding wheel surface to conform to the required gear shape. This method can dress the grinding wheel without stopping grinding and improve production efficiency.

Common problems and treatment methods: In the process of grinding wheel dressing, some common problems may be encountered, such as uneven surface wear of the grinding wheel, cracks in the grinding wheel, etc. In view of these problems, it is necessary to take corresponding treatment methods, such as replacing the grinding wheel, adjusting the speed of the grinding wheel, etc., to ensure the normal use of the grinding wheel.