A high-speed polishing machine is commonly known as a rotary polisher or a rotary buffer. It is a motorized machine that is designed to polish and restore the finish of automotive paint, boats, and other surfaces that require a high-gloss finish.
 

Rotary polishers are typically equipped with a round pad that spins at high speeds of up to 3,000 RPM or more. They are often used by professional detailers or automotive technicians who require precise control over the polishing process, as they can quickly and efficiently remove scratches, swirl marks, and other imperfections in the surface of the material being polished.
 

High-speed rotary polishers are commonly used in the automotive industry for paint correction, where they are used to remove imperfections in the paint, such as scratches and swirl marks, and to restore the paint's gloss and shine. They can also be used for polishing and restoring the finish of boats and other marine vessels, as well as for polishing floors, countertops, and other surfaces.
 

One of the main advantages of high-speed rotary polishers is their ability to remove imperfections quickly and efficiently, making them a popular choice among professional detailers and automotive technicians. However, they can be difficult to use for beginners, as they require a certain level of skill and experience to avoid damaging the surface being polished.
 

In addition to rotary polishers, there are also other types of high-speed polishing machines, such as dual action polishers and random orbital polishers, which are designed to provide a balance of speed and precision for a wider range of applications.
 

In summary, a high-speed polishing machine is commonly known as a rotary polisher or a rotary buffer. They are often used by professionals in the automotive industry for paint correction, and can also be used for polishing and restoring the finish of boats and other surfaces. While they can be difficult to use for beginners, they are highly effective at quickly and efficiently removing imperfections in the surface of the material being polished.