Removing backing from gyratory mantle - Columbia Steel ...
Apr 17, 2017· Removing backing material during gyratory crusher maintenance A Columbia Steel customer asks: We are using zinc backing and we want to remount a worn mantle. Can we heat up the mantle in an oven to melt the zinc backing out? Answered by Doug Henderson, Product Engineering Manager, Gyratory Crusher Group: “No, that would probably not be feasible.