To choose a small CNC vertical lathe to ensure it has high quality, intelligence, high precision, high speed and reliability, you can consider the following key points:

1. CNC system:
Choose a CNC vertical lathe equipped with an advanced CNC system to ensure that it can provide high-precision control. An intelligent CNC system should have a user-friendly interface, flexible programming capabilities and automated functions.

2. Spindle and drive system:
Ensure that CNC vertical lathes are equipped with high-performance spindles and advanced drive systems to achieve high-speed, high-precision processing. The infinitely variable speed system and intelligent speed adjustment function help adapt to different processing needs.

3. Rigidity and stability:
The rigidity and stability of small CNC vertical lathes are crucial for high-precision machining. Choose equipment with reasonable structural design and good machine tool rigidity to ensure stable performance during high-speed operation.

4. High-precision guide rails and screws:
The use of high-precision guide rails and screws ensures that the CNC vertical lathe has excellent positioning accuracy and repeatable positioning accuracy during movement. This is very important to achieve high-quality processing.

5. Intelligent functions:
Look for intelligent features such as automatic tool changing systems, automatic workpiece measurement, remote monitoring, etc. to improve production efficiency and operational convenience. Intelligent features help streamline operations and reduce human errors.

6. Tool magazine and tool management:
Choose a CNC vertical lathe with a tool magazine management system for flexible use of different types of tools. This helps to adapt to different machining tasks and improve production efficiency.

7. Maintenance convenience:
Consider the maintenance convenience of the equipment and choose a CNC vertical lathe that is easy to maintain and maintain. This includes easy-to-clean construction and easily replaceable wear parts.

8. Service and support:
Choose a manufacturer with good after-sales service and technical support to ensure that you can receive timely help and maintenance support during use.

By comprehensively considering these factors, a small CNC vertical lathe can be selected to meet the requirements of high quality, intelligence, high precision, high speed and reliability.