Cutting Chinese medicine blade often cut to stone metal, blade consumption is very large, how to do?

It is recommended that in the raw material conveying process, the drug into the slicing before, in advance, placed a sufficient amount of magnets in the channel, the use of magnet properties adsorption of metal, so that you can basically solve the situation of the metal ruins the knife. As for the stone, it is recommended to pick the big ones, and the small ones will be punched on the channel where the magnet is placed with a small hole smaller than the original drug, using the principle of mesh sieve to leak out. The above two ways can be combined and with the vibration, so the effect will be better.