... ,3ph 380V/220VComplete weight1500KGPrincipal axis speed70-9000R/minThe polishing depth 0-1mmPolishing Speed0-1000mm/minpolishing mannerPrincipal axis ... diamond edge polisher 1..diamond tool,durable 2.polishing length 800-1200mm 3.automatic,save labor(1). ... glass, crystal.(2). High efficiency and polishing quality. After polishing by the diamond polishing machine, the surfaces are rather smooth ...