QSM-300 Bridge Type Multi-head Stone Grinding Machine is used to grind granite or marble slabs.With the compact and reasonable structure,it has a high degree of automation that can polish multi slabs according with the requirement atone time.It use the same grinding material eith the manual polishing machine.Advice choosing the resin grinding material.This polishing work needs 1-2people operating.With the same technics of the manual polishing machine,it needs seven steps from rough grinding,extractive grinding and careful polishing to eatractive polishing.When one steps finishes,it needs to change the grindingmetarial .Item Technical DataMain Motor5.5kwGrinding wheel up-down stroke120mmMax. processing length3200mmMax. processing width450mmMin. processing thickness10mmWhole weight7.2tDimension (L*W*H)6300mm*4700mm*2100mmWorktable(built by customer,material: concrete and stone )3200mm*4700mm*600mm(L*W*H)