stone polishing machine arm polisher is applicable for grinding and polishing stone materials like granite, marble, sandstone, limestone, etc. It uses round column as its guide slip surface for steady automaticups and downs. The main drive has two kinds: Single speed and double speeds for your choice Rotation table for working on column slabs is available upon request. Technical Parameter ModelmmSF-2500SF-3000Arm lengthmm25002500Max. lift strokemm470470Water consumptionm³/h11Main motor powerkw5.55.5Gross powerkw6.26.2Overall size (L×W×H)mm3200×1650×17003800×1650×1700Weightkg750830