Каталог Iscar монолитные сверла 2022 - страница 28

SOLID CARBIDE DRILLS Coolant Pressure [bar] Coolant Volume [l/min] USER GUIDE Coolant Pressure and Volume Recommendations Stability 60 The stability of the application volume is important in order to obtain the very best tool life and hole accuracy. Check 50 20 the condition of the machine spindle, fixture and fixturing of the component to secure maximum stability and rigidity. 40 16 Unstable conditions can cause tool breakage. 30 12 Stationary Drill Rotating Drill 20 8 Max 0.02 mm 10 4 0.0 3 5 10 15 20 Tool Diameter (mm) Required Coolant Pressure Required Coolant Volume Max 0.02 mm Optimum pressure Optimum volume Good pressure Good volume Correct Direction Incorrect Direction Minimum pressure Minimum pressure Required coolant pressure and volume for SCD drills with internal coolant spiral nozzles. Force and Power Characteristics Feed Force (kN) 3.0 External Coolant External Coolant 2.5 Tool Life 2.0 Drills should not be used with flank wear exceeding 0.2-0.3 mm. 1.5 1.0 0.2-0.3 mm 0.5 0.0 2 4 6 8 10 12 14 16 18 Drill Diameter (mm) f=0.30 mm/rev f=0.25 mm/rev f=0.20 mm/rev Net Power Consumption (kW) 3.0 2.5 2.0 1.5 1.0 0.5 0.0 2 4 6 8 10 12 14 16 18 Drill Diameter (mm) f=0.30 mm/rev f=0.25 mm/rev f=0.20 mm/rev Material: SAE 4340 Speed: 100 m/min Values may change for different materials and drilling conditions. 176 ISCAR