Dressing Spindles

Dressing processing is an important part of the metal processing, that is, fine machining of the work piece. The dressing spindles on the market are mainly used for CNC profile machining, especially for small grinding wheels. If it is used for larger grinding wheels, it is necessary to choose a dressing spindle with high rigidity and high torque.
 
Spindles can be classified according to their driven types or characteristics, and can also be classified according to their specific uses. Therefore, they have names such as dressing spindle, turning spindle, milling spindle, and grinding spindle. Here, this article will further discuss various spindle applications.

Spindle for grinding wheel

Dressing processing is actually a part of grinding. To complete dressing tasks, the spindle on machine needs to be equipped with a proper grinding wheel, also called dressing wheel here. Below we will have an overview of grinding wheel.
 
Many different types of spindles can be used as grinder spindles for equipping grinding wheels. Common applications include motorized spindles that equip traditional grinding wheels for grinding tasks, traditional grinders that equip CBN grinding wheels, or CNC controlled motorized spindles.
 
Grinding wheels are wheels composed of abrasive materials used for various grinding tasks. This type of grinding wheel is used for grinding machines. Grinding wheels are usually made of composite materials, which are composed of pressed coarse-grained aggregates and are bonded together by a cemented matrix to form a solid and circular shape. Depending on the intended use of the wheel, various profiles and cross-sections can be used. They can also be made of solid steel or aluminum discs with particles attached to their surfaces. The history of grinding wheel materials began with natural composite stones. Today most grinding wheels are made of artificial composite materials made of artificial aggregates.
 
The production of grinding wheels is highly precise. The design of the grinding wheel must be able to withstand the high pressure of the rotating disk while maintaining the function of uniform rotation. Obviously, the design, development and production of grinding wheels and grinding wheel spindles is a highly complex process that requires the experience and engineering knowledge of manufacturers in various fields.

 

Turning spindle for lathe

The turning spindle is one of the key rotating components on the lathe and is used to fix and move the work piece. The driven type of turning spindle is usually belt driven or motor built-in type.
 
Although the driven methods can be roughly divided into two types, the structural design of the spindle can be different according to the processing requirements. For example, the cartridge spindle is usually placed in fixed spindle housing, while the tilted spindle is designed to allow rotating in specific angles.

 

Comparisons within lathe spindle types

Technically, the difference between turning spindles and lathe spindles is not clear. Early lathes used belt driven spindles. This was because the spindle design was simple and there were not many options on the market. The belt driven spindle is easy to maintain and has low cost, especially for lathe processing products. Even though today’s turning and milling machine tool manufacturers now have more spindle options, belt driven spindles are still very popular.
 
On the other hand, motor built-in spindles are also very popular in the field of complex lathes. For turning centers with power turrets and multi-spindle turning and milling centers, the built-in spindle has many unique advantages, such as small size, high speed, no tooth loss problems and better stability.
 
The design of the spindle housing must also be considered when selecting the spindle. Compared with the belt driven spindle housing, the housing design of the motor built-in spindle is much more complicated, because it must be able to adapt to various processing paths, and of course the building cost is higher.

 

Conclusion

Due to the modular design, while many spindle suppliers provide various spindle sizes, speeds and torque ranges, the spindle control system and sensors are easier to integrate and provide the best processing output. With the most advanced technology and intensive product development, spindle manufacturers are still continually improving their spindle designs to meet the changing needs of customers in the industrial world.

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