Using stereo microscope, scanning electron microscopy, energy dispersive spectroscopy combined analysis

Old sand mixed conducted a survey to further regeneration of the grinding wheel to provide basic data. Using stereo microscope, scanning electron microscopy, energy dispersive analysis method of combining old sand mixed inert membrane composition  cubic boron nitride . Study found that mixed old sand the surface composition of the membrane is inert resin  synthetic diamond  outside the basement membrane. The composition of a single resin sand and clay, sand single case are very different. Therefore, the purpose of mixing sand regeneration membrane to remove residual resin film of clay. Regeneration wheel for mixing old sand studies.