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.
Spiral feeding blade
Basic version: 60Mn, 65Mn high carbon steel (hardness HRC45-50). Wear resistant version: alloy steel+tungsten carbide coating (hardness HRC55-60). Size: Diameter: usually 200~400mm (matching paver model).
