The use of electric spindles in CNC vertical lathes has many benefits, including but not limited to the following:

1. High-speed processing capability: The CNC vertical lathe electric spindle can provide high-speed rotation, allowing the CNC vertical lathe to process at a higher speed, thus improving production efficiency.

2. High-precision processing: CNC vertical lathe electric spindle has high speed control accuracy and stability, which can achieve more precise processing, making the dimensional accuracy and surface quality of processed parts higher.

3. Flexibility and versatility: The CNC vertical lathe electric spindle can achieve different rotation speeds and processing parameters through program control, giving the CNC vertical lathe a greater processing range and applicability, and can process parts of different materials and shapes.

4. Energy saving and environmental protection: Compared with traditional hydraulic or pneumatic spindles, CNC vertical lathe electric spindles have higher energy utilization efficiency and can reduce energy consumption and environmental pollution.

5. Reduce vibration and noise: The operation of the CNC vertical lathe electric spindle is relatively stable, and the vibration and noise are small, which is beneficial to improving the processing quality and the comfort of the operating environment.

6. Easy to maintain and manage: The CNC vertical lathe electric spindle has a simple structure and is relatively convenient to maintain and manage, reducing equipment maintenance costs and downtime.

7. Fast response speed: CNC vertical lathe electric spindle has a fast start-stop response speed, and can quickly adjust processing parameters to adapt to changing needs during the processing process.

In general, the use of electric spindles can improve the processing efficiency, precision and flexibility of CNC vertical lathes, while reducing energy consumption and maintenance costs. It is one of the important means to improve processing efficiency and quality in modern manufacturing.