mining machine Gold spiral chute 1.high processing capacity 2 ... fine grain like iron, tin, tungsten, tantalum-niobium, gold ore, coal mine, monazite, rutile, zircon and other metals ... )15001200900600400pitch(mm)540,720900,720,540675,540,405450,360,270240,180Pitch Dia Ratio0.75,0.6,0. ... 156013601060700460Width(mm)156013601060700460Height(mm)52305230400026001500Weight (Kg)80060040015050 gold spiral chute