The greater the milling depth is, the longer the tool contacts the material, and the more friction and heat will be generated. In order to avoid the thermal corrosion of the carbide tip of the tool, it is necessary to increase the amount of water sprayed on the cooling tip; When the milling depth is shallow (less than 6cm), the cooling cutter head water spray shall be reduced to facilitate the output of materials, so as to avoid the contact between the cutter and the material to be milled and reduce the wear of the cutter. Every 6-8 hours of operation, it is necessary to check the rotation and wear of the tool to ensure that the installed tool rotates freely in the tool holder.

 

The tool shall be replaced in time when it is seriously worn. When replacing tools, try to ensure that the extended length of the tool is consistent. If the milling cutter is 1/2 worn and needs to be replaced, it is recommended to replace the whole set of tools, and reassemble the tools that are not seriously worn into one set for continuous use, which can not only ensure the pavement construction quality, but also extend the service life of the tools.