There are many benefits to using CNC vertical lathes to machine brake drums, here are some of the main ones:

1. Precision and consistency: CNC vertical lathes can process with high precision and consistency, ensuring that the size, shape and surface quality of the brake drum meet the requirements. This is critical to the performance of the braking system.
2. Complex shape processing: The shape of the brake drum may be relatively complex. CNC vertical lathes can process complex geometric shapes by precisely controlling tool paths and movements, achieving higher processing flexibility.
3. Production efficiency: CNC vertical lathes can automatically perform the processing process, reducing the need for manual operations. This can improve production efficiency and save time and labor costs.
4. Repeatability and stability: The CNC system can ensure the consistency of each processing, thereby achieving better repeatability and stability. This is especially important for high-volume production.
5. Reduce human error: The operation of CNC vertical lathe relies on pre-written processing programs, which reduces the chance of human operation, thereby reducing the risk of human error.
6. Reduced processing difficulty: For complex brake drum structures, traditional manual or semi-automatic processing may have high technical difficulties, but CNC vertical lathes can accomplish these processing tasks relatively easily.
7. Cutting parameter optimization: The CNC system can automatically optimize cutting parameters according to processing requirements, thereby obtaining better processing results and tool life.
8. Cutting process monitoring: The CNC system can monitor the cutting status and tool wear during the processing process, and make timely adjustments and replacements to ensure processing quality.
9. Rapid changes in processing technology: If you need to change the processing technology or adjust processing parameters, you only need to modify the processing program without making large-scale equipment adjustments, saving time and resources.
10. Data recording and analysis: CNC systems usually record data during processing. These data can be used to analyze and optimize the processing process to further improve efficiency and quality.

In short, using CNC vertical lathes to process brake drums can provide higher machining accuracy, efficiency and stability, allowing the brake drums to reach a higher level in terms of performance and safety.