Rapid cutting is an efficient processing method that can complete a large number of workpieces in a short time. Here are some key factors to consider when performing rapid cutting operations on small CNC machines:

1. Choose the right tool: Use efficient tools, such as carbide tools or rigid tool bodies, to ensure stability and wear resistance during high-speed cutting.

2. Reasonable tool path: Design a reasonable tool path in the CNC program to reduce idle time and minimize the cutting cycle. Adopting high-speed cutting path planning strategies, such as helical interpolation, can help improve cutting efficiency.

3. Adjust the feed rate: Adjust the feed rate according to the properties of the material and the performance of the machine tool. Properly increasing the feed rate can increase the cutting speed and improve production efficiency.

4. Stable cutting parameters: By reasonably setting cutting parameters such as cutting speed, feed rate and cutting depth, the stability during the cutting process is ensured and vibration and resonance phenomena are prevented.

5. Cooling and Lubrication: Keep the tool and workpiece cool and lubricated to prevent overheating and extend tool life. Use appropriate cutting fluid and make sure the cooling system is functioning properly.

6. Reasonable clamping: Use appropriate clamping devices to ensure that the workpiece remains stable during high-speed cutting and prevents vibration and deformation.

7. CNC system optimization: Use the advanced functions of the CNC system, such as fast tool switching, rapid positioning, etc., to reduce non-cutting time and improve overall processing efficiency.

8. High-rigidity machine tools: Choose small CNC machine tools with high rigidity to resist vibration and deformation during high-speed cutting and ensure processing accuracy and surface quality.

9. Real-time monitoring and adjustment: Use a real-time monitoring system to monitor tool wear, machine tool status and other parameters, and adjust cutting parameters in a timely manner to ensure processing quality.

10. Training operators: Ensure that operators are proficient in the operating skills and relevant safety knowledge of small CNC machine tools to ensure efficient and safe production.

When performing rapid cutting processing, taking the above factors into consideration can maximize production efficiency while ensuring processing quality and safety.