What spindle can cut steel?

For steel, we should primarily choose a lower rpm spindle (15,000 to 18,000 rpm) and accordingly cutters up to 10mm - 3.3kW spindle, cutters up to 12mm - 5.6kW spindle, cutters up to 16mm - 7kW spindle, cutters up to 20mm - 10kW spindle.

Steel is one of the most used materials due to its low price and reliable performance, and is an essential part of construction, manufacturing and people's daily life. Therefore, the processing of steel is common in industrial production. Spindles are an important part of machining equipment used for cutting and milling various materials. But because most steel is hard, spindles must have certain characteristics to ensure optimal performance and durability when cutting steel.

What should you consider?

If you want to cut steel, you need to understand that cutting steel requires high torque and power, as well as heat and wear resistance. The spindle must be able to maintain a high level of accuracy and stability during the cutting process, as even the slightest deviation can lead to poor results. Therefore, spindles must be made of high-quality materials that can withstand the harsh cutting of steel.

In order to cut steel, special spindles designed for cutting steel need to be produced. These spindles are usually made of high-speed steel or carbide and can withstand the high temperatures generated during the cutting process. They also have special coatings that reduce friction and wear, ensuring optimum performance and service life. Lunyee's high speed spindle motors are such motors. Lunyee's spindle motors are available in a wide range of powers and speeds to suit the machining requirements of different types of steel. In addition, the spindles are equipped with a cooling system that you can choose from depending on your needs.


The spindle is a key component of the machine tool used to cut steel. When selecting a spindle for steel cutting, it is important to consider factors such as spindle speed, horsepower, and torque to ensure optimal performance and durability.

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