One-time clamping of CNC lathe is a very critical step. The following are some things that need to be paid attention to when performing one-time clamping:

1. Clean the workpiece and fixture: Before clamping the CNC lathe, make sure that the surface of the workpiece and fixture is clean and free of cutting fluid, grease or other debris. This helps ensure consistent clamping and machining quality.

2. Fixture positioning: CNC lathe ensures that the workpiece is in the correct position in the fixture. The positioning surface of the fixture should match the positioning surface of the workpiece to ensure accurate positioning and processing.

3. The fixture is stable: The CNC lathe fixture must firmly clamp the workpiece to prevent vibration or displacement during processing. Make sure the clamping force of the clamp is moderate enough to hold the workpiece securely without damaging the workpiece.

4. Tool selection: CNC lathes use appropriate tools for processing. The selection of cutting tools should be determined based on the workpiece material, shape and processing requirements. Make sure the knife is of good quality and has a sharp edge.

5. Tool offset and length compensation: Set the tool offset and length compensation according to the CNC program. This helps ensure accurate machining trajectories and avoid machining errors caused by tool offset.

6. Workpiece fixation: For large or heavy workpieces, CNC lathes may need to use supports or fixtures to prevent vibration and deformation of the workpiece during processing.

7. Safety check: Before starting the CNC lathe, make sure all safety equipment and emergency stop buttons are working properly. Check the parameter settings of the CNC system to ensure that the set values are correct.

8. Check the processing path: Before starting processing on the CNC lathe, carefully check the processing path in the CNC program to ensure that there is no risk of collision or overtravel.

9. Material inspection: If the CNC lathe uses new materials or changed materials, check its physical properties and processing characteristics, and adjust the CNC program to adapt to the new processing conditions.

10. Monitor the processing process: During the processing of the CNC lathe, monitor the status of the CNC system in a timely manner and pay attention to whether there are abnormal sounds or vibrations. If any abnormality is found, stop the machine immediately for inspection.

The above are some basic matters that need to be paid attention to during one-time clamping. Ensuring that each step is carefully executed can improve the processing accuracy and efficiency of CNC lathes.