CNC lathe tool breakage is a common problem during machining. The following are some effective methods to prevent tool breakage:

1. Reasonable selection of tools: CNC lathes select tools suitable for processing requirements based on comprehensive considerations such as processing materials, tool usage, and processing methods. For workpiece materials with high hardness, high-strength, wear-resistant tools can be selected.

2. Set reasonable cutting parameters: CNC lathes should reasonably set parameters such as cutting speed, feed amount, and cutting depth based on the characteristics of the workpiece and process requirements. Avoid tool breakage caused by overload due to improper parameter settings.

3. Regular replacement and maintenance of cutting tools: CNC lathe cutting tools will wear out after long-term use. When the wear exceeds the specified value, they should be replaced in time. At the same time, CNC lathes regularly perform maintenance work such as cleaning and polishing of the cutting tools to extend the service life of the cutting tools.

4. Improve the cutting lubrication effect: Ensure that the CNC lathe cutting lubrication system works normally, and add enough cutting lubricant in time to reduce the cutting temperature and reduce the risk of tool wear and breakage.

5. And improve the stiffness of the machine tool: Regularly check the stiffness of the machine tool to ensure that the machine tool structure is stable and reduce the impact of cutting vibration on the tool.

6. Pre-processing before processing: CNC lathes perform pre-processing on heavy-duty cutting workpieces, such as cutting materials in advance and removing difficult-to-cut parts to reduce cutting forces and reduce the risk of tool breakage.

By comprehensively considering the above factors, we can effectively prevent the occurrence of tool breakage problems on CNC lathes and improve processing efficiency and quality. At the same time, in actual operations, it is necessary to flexibly adjust and optimize processing parameters and tool selection according to specific conditions to achieve the best processing effect.