134 application charts DIAMONDBLADESPEEDS&COREDRILLAPPLICATIONCHARTS SOFT/ ABRASIVE MATERIAL DIAMOND BLADESPEEDRECOMMENDATIONS 3,100 2,700 2,450 2,050 1,700 1,550 1,350 1,250 1,050 875 765 680 615 510 100 115 125 150 180 200 230 250 300 350 400 450 500 600 3,850 3,350 3,100 2,550 2,150 1,950 1,700 1,550 1,300 1,100 960 850 765 640 4,800 4,200 3,850 3,200 2,700 2,400 2,100 1,950 1,600 1,400 1,200 1,100 960 800 6,150 5,350 4,900 4,100 3,400 3,100 2,700 2,450 2,050 1,750 1,550 1,400 1,250 1,050 6,700 5,850 5,350 4,500 3,750 3,350 2,950 2,700 2,250 1,950 1,700 1,500 1,350 1,150 7,650 6,650 6,150 5,100 4,250 3,850 3,350 3,100 2,550 2,200 1,950 1,700 1,550 1,300 9,560 8,350 7,650 6,400 5,350 4,800 4,200 3,850 3,200 2,750 2,400 2,150 1,950 1,600 12,100 10,500 9,650 8,050 6,700 6,050 5,250 4,850 4,050 3,450 3,050 2,700 2,450 2,050 15,300 13,300 12,250 10,200 8,500 7,650 6,650 6,150 5,100 4,400 3,850 3,400 3,100 2,550 19,100 16,650 15,300 12,750 10,650 9,550 8,350 7,650 6,400 5,500 4,800 4,250 3,850 3,200 23,900 20,800 19,100 16,000 13,300 11,950 10,400 9,550 8,000 6,850 6,000 5,350 4,800 4,000 16 ø mm 20 25 32 35 40 50 63 80 100 125 Metres per second (m/s) CLASS A ENGINEERING bRICkS fLINT AGGREGATE COMMON CLASS b ENGINEERING bRICkS LIGHTLY REINfORCED CONCRETE CONCRETE HARD YORk STONE LONDON bRICk GENERAL HOUSE bRICk HANDMADE bRICkS fACING bRICkS LIGHTWEIGHT CONCRETE bLOCk bREEzE bLOCk AbRASIVE SAND / GRIT STONE DSDC (dry) DDC (dry) DPDC (dry) DUSDC (dry) COREDRILLAPPLICATIONS HARD/ DENSE MATERIAL SOFT/ ABRASIVE MATERIAL materialtype / PAGENO. CORE specification DPWC (wet) CORE SIzE 22mm 28mm 32mm 38mm 42mm 48mm 52mm 65mm 78mm 102mm 107mm 117mm 127mm 152mm 158mm RPM 380 440 520 570 625 750 860 1030 1280 1400 1600 1760 1900 2380 3000 • Speed may be adjusted to suit site conditions. • for very abrasive materials an increase in drill speed (rpm) will prolong life. • for harder materials, decrease the drill speed to prevent overheating. • Machine and material are the controlling factors to the life and speed of the core. • Ultimately, machine and operator determine the overall performance. DRYCOREDRILLSPEEDRECOMMENDATIONS Highly suited Suitable with reservations Not Suitable