In the automotive accessories industry, honing processing is a crucial precision processing process, mainly used to improve the dimensional accuracy, shape accuracy and surface quality of automotive parts. The machining of connecting rods and engine cylinder bores is an important application field of honing processing in the automotive accessories industry. Honing can ensure the accuracy and surface quality of the cylinder bores, thereby improving the power and economicality of the engine. In addition, the precision machining of cylinder liner bores, crankshaft bearing bores, etc. is also inseparable from the honing process to ensure precise coordination between the various components.