The steps to enter the power-on state of the CNC vertical lathe are as follows:

1. Ensure that the working environment of the CNC vertical lathe is clean and tidy, with no debris piled up.

2. Check whether all parts of the CNC vertical lathe are operating normally, including the bed, spindle, feed transmission, etc.

3. Turn on the power switch of the CNC vertical lathe and start the machine tool. Make sure that the CNC vertical lathe spindle is in a stopped state, turn on the relay device at the same time, and check whether the pump and cooling device are turned on.

4. Initialization: Press the "Initialization" button of the CNC vertical lathe CNC system to return the machine tool to the reference point.

After completing the above steps, the CNC vertical lathe has entered the power-on state. Before the formal processing operation of CNC vertical lathe, it is necessary to install the workpiece and cutting tools, debug the processing program and other steps to ensure the safety and efficiency of the processing process.

Please note that safety regulations should be strictly followed when operating CNC vertical lathes to ensure the safety of personnel and equipment.