The core components of a milling drum include the drum body, tool holder, cutting tools, bearings, transmission system, etc. Its design and material directly affect milling efficiency and service life. Reasonable selection (such as tool material and arrangement) and regular maintenance can significantly reduce the failure rate and improve construction quality.

Conjunto transportador y cadena transportadora
The conveying shaft (also known as the conveyor shaft or scraper drive shaft) of the paver is the core transmission component of the feeding system,