1. The distance between the turning tool and the cutting surface is inconsistent.

Solution: Check if the fixture is stable and adjust it. You can reinstall the tool or adjust the height of the lathe.

2. The milling depth is too shallow or too deep.

Solution: Adjust the feed speed and tool speed appropriately, change the milling depth, and consider strengthening lubrication and cooling to reduce friction heat.

3. Chip stacking.

Solution: Clean the chips in a timely manner, check if the cutting oil pipeline is smooth, and ensure sufficient lubrication and cooling.

4. Excessive deviation in machining dimensions of parts.

Solution: Firstly, check whether the cutting tools, fixtures, and workpieces are correctly positioned and loose. If necessary, re clamp the workpieces and adjust processing parameters such as cutting speed and feed speed.

5. The machine is unstable or vibrating.

Solution: Check if the machine components are loose, such as the bed, guide rails, etc., Repair or replace damaged parts. At the same time, it is possible to consider reducing the interference of slight vibrations and using shock absorption equipment.

6. Short tool life.

Solution: Choose appropriate tool materials and shapes, install and use tools correctly. Reasonably adjust cutting conditions, avoid excessive cutting, strengthen lubrication and cooling to extend tool life.

7. The accuracy of the lathe has decreased.

Solution: Regularly check the various indicators of the lathe and perform maintenance, including checking the cleanliness and lubrication of the guide rails and screws, replacing worn parts in a timely manner, and ensuring that the lathe is in good working condition.

In short, the problems existing in the turning and milling composite lathe should be promptly identified and effective measures should be taken to solve them, in order to ensure the normal operation of the lathe, improve production efficiency and processing quality.