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Introduction to the advantages of dynamic and static pressure spindles for cylindrical grinding machines

Time:2024/6/4 10:37:00Seo:http://en.zjsxds.cn/news1022360.html

Compared to traditional spindles, the dynamic and static pressure spindles of cylindrical grinders have significant advantages, which are mainly reflected in the following aspects:

Higher machining accuracy:

The dynamic and static pressure spindle uses high-speed rotating gas or liquid to support the spindle, reducing contact between the spindle and bearings, reducing friction and wear, and thus improving machining accuracy.

Compared to traditional spindles, dynamic and static pressure spindles avoid the problem of reduced machining accuracy caused by bearing limitations.

Higher rigidity and stability:

The dynamic and static pressure spindle uses gas or liquid to support the spindle, making it more rigid and stable.

Especially during high-speed operation, the dynamic and static pressure spindle can maintain stable air pressure and shock absorption, ensuring the stability of the machining process.

Higher speed and power:

The design of the dynamic and static pressure spindle allows it to achieve higher rotational speed and power, thereby adapting to more high-speed and high-precision machining needs.

Lower noise and vibration:

Due to the reduction of contact and friction between the spindle and bearings, the noise and vibration generated by the dynamic and static pressure spindle during operation are lower.

This helps to improve the comfort of the processing environment and reduce potential damage to the equipment.

Longer service life:

The non-contact operation of the dynamic and static pressure spindle reduces wear, thereby extending the service life of the spindle.

Compared with traditional spindles, dynamic and static pressure spindles have longer maintenance cycles and lower maintenance costs.

Other advantages:

The structure of the dynamic and static pressure spindle is complex but powerful, which can restore the machining accuracy and surface roughness lost by machine tool spindle problems.

The dynamic and static spindle can not only be used for external and internal grinding machines, but also widely used in precision rotary machinery such as surface grinding machines, roller grinding machines, precision boring machines, and diamond boring heads.

The dynamic and static pressure spindle rotates with a higher accuracy than the journal and bearings through a pressure oil film. At the same time, the oil film stiffness during spindle operation is the same as that of a static pressure bearing and a dynamic pressure bearing, which has strong load-bearing capacity.

In summary, the dynamic and static pressure spindle of an external cylindrical grinder has become an indispensable and important component in modern machine tools due to its advantages of high precision, high rigidity, high stability, high speed, low noise, low vibration, and long service life.

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