CNC vertical lathe rotation diameter heavy cutting refers to the CNC vertical lathe using large diameter workpieces for heavy cutting during the machining process. Here are some key points related to this:

1. Large rotation diameter: If the CNC vertical lathe has the characteristics of a large rotation diameter, it means that it can accommodate and process larger diameter workpieces. This is important for applications that require machining large parts.

2. Heavy cutting: Heavy cutting usually refers to removing a large amount of material in one cutting. This may be due to the large size of the workpiece and the need to cut it to the desired shape or size in one pass.

3. High cutting force and power: Processing large diameter workpieces and performing heavy cutting generally require higher cutting force and power. CNC vertical lathes need to have sufficient cutting capabilities and spindle power to cope with these requirements.

4. Stability and rigidity: When processing large workpieces, the stability and rigidity of the machine tool become particularly important. This ensures that the machine tool remains stable enough under high cutting forces, preventing vibration and deformation.

5. Tool selection: Choosing the right tool is also a key factor. For heavy cutting, tools with high strength and rigidity are usually used to ensure stable cutting under high cutting loads.

6. CNC programming: For large rotation diameter and heavy cutting requirements, CNC programming needs to take into account the optimization of the entire machining process to ensure reasonable selection of parameters such as tool path and cutting speed.

7. Cooling and Lubrication: Heavy cutting can result in high temperatures, so an effective cooling and lubrication system is necessary to ensure that the tool and workpiece surface are not affected by excessive heat.

8. Monitoring and control system: Real-time monitoring of tool wear, machine tool status and other information, and the ability to make timely adjustments, helping to maintain the stability and consistency of processing.

Generally speaking, when CNC vertical lathes handle large rotation diameters and perform heavy cutting, they need to comprehensively consider multiple factors such as machine tool structure, tool selection, cutting parameters, cooling system, etc., to ensure an efficient, stable, and accurate processing process.