Pc (kW)P (MPa)Pc (kW)P (MPa) Pc (kW)P (MPa)Pc (kW)P (MPa) Ff (kN)q (l/min)Ff (kN)q (l/min) Ff (kN)q (l/min)Ff (kN)q (l/min) T (kNm)T (kNm) T (kNm)T (kNm) Te c h n i c a l guide Setting guidelines for cutting loads, fluid pressure and flow rate during STS operation Net power Feed force Torque 80 50 8 60 Vc = 100 m/minf = 0.25 mm/rev 40 Vc = 100 m/min30f = 0.25 mm/rev 6 Vc = 100 m/minf = 0.25 mm/rev 40 4 20 20Vc = 70 m/minf = 0.15 mm/rev10 Vc = 70 m/minf = 0.15 mm/rev 2 Vc = 70 m/minf = 0.15 mm/rev 0 50 100 150 200 250 300 0 50 100 150 200 250 300 0 50 100 150 200 250 300 20 Vc = 100 m/minf = 0.25 mm/rev Drill dia. (mm)15 10 Vc = 100 m/minf = 0.25 mm/rev Drill dia. (mm) Drill dia. (mm)0.2Vc = 100 m/min 105 5Vc = 70 m/minf = 0.15 mm/rev f = 0.25 mm/revVc = 70 m/minf = 0.15 mm/rev0.1Vc = 70 m/min 0 10 20 30 40 50 0 10 20 30 40 50 f = 0.15 mm/rev Drill dia. (mm) Drill dia. (mm) 0 10 20 30 40 50 Drill dia. (mm) Coolant pressure Coolant volume 2 1MPa = 1.0 N/mm2 2000 1Mpa ≈ 10 atm 1500 1 1000 500 0 100 200 300 400 500 0 100 200 300 Drill dia. (mm) Drill dia. (mm) 8 200 6 150 4 100 2 50 0 10 20 30 40 50 60 70 0 10 20 30 40 50 Drill dia. (mm) Drill dia. (mm) Setting guidelines for cutting loads, fluid pressure and flow rate during DTS operation Net power Feed force Torque 80 50 8 60 Vc = 100 m/minf = 0.25 mm/rev 40 Vc = 100 m/minf = 0.25 mm/rev 6 Vc = 100 m/minf = 0.25 mm/rev30 40 4 20 20 Vc = 70 m/min 10f = 0.15 mm/rev Vc = 70 m/minf = 0.15 mm/rev 2 Vc = 70 m/minf = 0.15 mm/rev 0 50 100 150 200 250 300 0 50 100 150 200 250 300 0 50 100 150 200 250 300 20 Vc = 100 m/minf = 0.25 mm/rev Drill dia. (mm) 10 Vc = 100 m/minf = 0.25 mm/rev Drill dia. (mm) Drill dia. (mm) 15 0.2 Vc = 100 m/min 105 5Vc = 70 m/minf = 0.15 mm/rev Vc = 70 m/min f = 0.25 mm/revf = 0.15 mm/rev0.10102030405001020304050Vc = 70 m/minf = 0.15 mm/rev Drill dia. (mm) Drill dia. (mm) 0 10 20 30 40 50 Drill dia. (mm) Coolant pressure Coolant volume 0.75 400 0.5 300 1MPa = 1.0 N/mm2 200 0.25 1Mpa ≈ 10 atm 100 0 50 100 150 200 0 50 100 150 200 Drill dia. (mm) Drill dia. (mm) 1.5 100 1 50 0.5 0 10 20 30 40 50 60 70 0 10 20 30 40 50 Drill dia. (mm) Drill dia. (mm) The above values should not be used as the exact recommendations. They may need modification depending on the machining conditions, materials, etc. Tungaloy 061