Improving the cutting and grooving efficiency of CNC lathes during processing can be achieved through a series of optimization measures. Here are some suggestions:

1. Reasonable selection of cutting tools: Choosing the right cutting tools for CNC lathes is crucial to improving cutting efficiency. Make sure the material, edge shape and geometry of the tool are suitable for the specific machining materials and operating requirements.

2. Optimize cutting parameters: CNC lathes adjust cutting parameters such as cutting speed, feed speed and cutting depth to achieve optimal cutting efficiency. This needs to be optimized based on the specific workpiece material and processing requirements.

3. Effective cooling and lubrication: CNC lathes ensure that the cutting area is sufficiently cooled and lubricated to prevent tool overheating and workpiece deformation. Use a suitable cutting fluid or lubricant, taking into account the performance of the cooling system.

4. Reasonable arrangement of processes: For complex workpieces, CNC lathes adopt reasonable cutting processes and tool path planning to reduce idling and unnecessary movement and improve processing efficiency.

5. Use efficient cutting strategies: CNC lathes using efficient cutting strategies, such as high-speed machining (HSM) or plasma cutting, can significantly improve processing speed and surface quality.

6. Automated processing: CNC lathes introduce automated systems, such as automatic tool changing systems, automatic fixtures and workpiece loading systems, to reduce manual intervention and improve processing efficiency.

7. Timely maintenance: Regularly inspect and maintain CNC lathes to ensure the normal operation of each component. Replace worn tools in a timely manner and adjust various parameters of the machine tool to maintain the best working condition.

8. Optimize the program: Optimize the CNC program to reduce unnecessary pauses and cutting paths and improve cutting efficiency. Use efficient programming methods to avoid redundant codes and inefficient motion trajectories.

9. Training operators: Improve the skill level of CNC lathe operators so that they can master the operation and programming of CNC lathes and better cope with various processing challenges.

10. Introduction of advanced technology: Consider introducing advanced CNC technology and tool technology, such as tool coating, high-speed cutting technology, etc., to improve overall processing efficiency.

By comprehensively considering the above factors and adjusting according to specific processing requirements, the efficiency of CNC lathes in the cutting and grooving process can be effectively improved.