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Почему для шпинделей станков требуются охладители?

The main reasons why machine tool spindles require a chiller are as follows:

Temperature Control:

During the machining process, the spindle generates a large amount of heat due to high-speed rotation. If not controlled, this heat will cause the spindle temperature to rise, affecting machining accuracy. The chiller absorbs and carries away heat by circulating coolant (usually water or a mixture of water and antifreeze), keeping the spindle within a suitable working temperature range, thereby ensuring machining accuracy and surface quality.

Extend service life:

High temperatures can accelerate the wear of spindle bearings and other components, shortening their service life. The use of chillers can effectively control temperature, reduce thermal expansion and stress, extend the service life of the spindle and its components, and reduce maintenance costs.

Improving efficiency:

A stable temperature environment can improve processing efficiency, avoid processing interruptions or decelerations caused by overheating, and ensure continuous and efficient production.

Protective equipment:

High temperatures may also affect other components of the machine tool, such as electrical components, lubricating oil performance, etc. The use of chillers helps maintain the thermal balance of the entire machine tool system and protects sensitive components from thermal damage.

Environmental Adaptability:

In different seasons or ambient temperatures, the chiller can adjust the cooling needs of the spindle to ensure stable operation of the machine tool under any conditions.

Improve Machining Quality:

Especially in precision machining and high-speed machining, small temperature changes can affect dimensional accuracy and shape accuracy. The precise temperature control capability of the chiller is crucial for improving the consistency of the workpiece and reducing the scrap rate.