The internal and external cylindrical compound grinding machine is a high-precision processing equipment integrating multiple grinding functions. It combines various processes such as internal cylindrical grinding, external cylindrical grinding, and end face grinding, and can complete complex processing tasks in a single clamping. This equipment is widely used in aerospace, automotive manufacturing, mechanical processing and other fields, providing strong technical support for the production of high-precision parts.

I. Functions and Advantages 
1. Multi-functional integration: 

The internal and external cylindrical grinding machine can simultaneously perform various grinding tasks such as internal cylindrical grinding, external cylindrical grinding, end face grinding, internal conical grinding, and external conical grinding, reducing the number of clamping operations and improving processing efficiency. 
2. High-precision processing: 

The equipment adopts advanced numerical control systems and high-precision mechanical structures, capable of achieving micron-level processing accuracy. For instance, the positioning accuracy of the X-axis and Z-axis of certain models of grinding machines can reach within 1.5 microns. 
3. High degree of automation:

 Equipped with an automatic lubrication system, automatic loading and unloading devices, and an automatic grinding wheel dressing function, it reduces manual intervention and enhances production efficiency. 
4. Strong stability:

 Advanced cast iron and a stable mechanical structure design are adopted to ensure high rigidity and anti-vibration performance during the processing.

II. Application Fields 
Aerospace: 

It is used for processing key components such as engine blades and turbine discs, which have extremely high requirements for dimensional accuracy and surface quality. 
Automobile manufacturing:

 It can be used to process engine components such as crankshafts, camshafts, and cylinder liners, ensuring their high precision and high reliability. 
Machining:

 Applicable to the processing of various shaft parts, bearings, gears, etc.

III. Selection Suggestions 
When choosing an internal and external cylindrical grinding machine, users need to consider factors such as the precision, degree of automation, and functional integration of the equipment based on their processing requirements. At the same time, the stability of the equipment and after-sales service are also important considerations.