Technical information Single flute gundrill Type 07 / 07 A 63 63 Antriebsleistung Spindle power (kW) (kW) These guide values are for drilling alloyed steel (800 N/mm2) and can vary for other workpiece materials and tool conditions (wear). 63 63 f=0.40 f=0.40(mm/U), (mm/U),VcVc==7070min/min min/min f=0.32 f=0.32(mm/U), (mm/U),VcVc==7070min/min min/min f=0.25 (mm/U), f=0.25 (mm/U),VcVc==7070min/min min/min f=0.20 f=0.20(mm/U), (mm/U),VcVc==7070min/min min/min f=0.16 f=0.16(mm/U), (mm/U),VcVc==7070min/min min/min 40 40 25 25 25 25 16 16 16 16 10 10 6.3 6.3 25 25 32 32 40 40 50 50 63 63 80 80 100 100 125 125 Drill diameter (mm) Bohrdurchmesser (mm) d 3030x x d 160 160 160 100 100 100 063 63 63 d 0dx 10110x x d 040 40 40 6.3 6.3 44 25 25 32 32 40 40 50 50 63 63 80 80 100 100 125 125 32 25 32 d 25 25 32 40 50 63 80 100 25 32 32 40 40 50 50 63 63 80 80 100 100 125 125 Drill diameter (mm) Bohrdurchmesser (mm) Bohrdurchmesser (mm) Coolant pressure (bar) [bar] Kühlschmierstoffdruck Kühlschmierstoffdruck [bar] Coolant quantity (l/min) Sufficient coolant must be supplied to the tool for troublefree chip removal. x 30 250 250 250 10 10 Drill diameter (mm) Bohrdurchmesser (mm) 400 400 400 Coolant information f=0.40 f=0.40(mm/U) (mm/U) f=0.32 f=0.32(mm/U) (mm/U) f=0.25 f=0.25(mm/U) (mm/U) f=0.20 f=0.20(mm/U) (mm/U) f=0.16 f=0.16(mm/U) (mm/U) 40 40 Feed force (kN) Performance diagrams 25 25 16 20 20 10 16 16 30 xd 12,5 6,3 12,5 10 10 0,4 88 2,5 6,3 6,3 310030x d xxdd 1010x d xd 25 32 40 50 63 80 100 125 125 25 25 32 32 40 40 50 50 63 63 80 80 100 100 125 Drill diameter (mm) Bohrdurchmesser (mm) Bohrdurchmesser (mm) Guide values for deep hole drilling of different materials Guide values for cutting speed and feed rate are shown in the table below. As there are many factors that can affect the results of deep-hole drilling, these values must be adjusted if necessary. Material / Mechanical strength properties Construction steel < 700 N/mm² Case hardening steel < 750 N/mm² Case hardening steel < 1,100 N/mm² Heat treated steel < 700 N/mm² Heat treated steel < 1,100 N/mm² Nitriding steel < 1,100 N/mm² Ferritic steel < 900 N/mm² Cutting speed (m/min) 80 - 100 70 - 80 70 - 90 20 25.00 - 29.99 30.00 - 44.99 45.00 - 113.99 0.10 - 0.20 0.10 - 0.30 0.10 - 0.30 0.20 - 0.30 0.20 - 0.35 Carbide grades AS + ZWS ZS FL U 225 BX - 5 0.20 - 0.25 0.25 - 0.40 0.25 - 0.30 0.25 - 0.30 55 - 75 60 - 80 Austenitic steel Heat resisting steel stainless Steel castings < 700 N/mm² Nodular cast iron < 1,100 N/mm² Cast iron, alloyed and unalloyed Aluminium and Aluminium alloys Copper Cu-content < 99% Feed (mm/rev) for drill diameter (mm) 0.15 - 0.20 0.15 - 0.20 0.15 - 0.25 0.15 - 0.25 0.25 - 0.30 0.25 - 0.30 0.10 - 0.20 0.10 - 0.20 0.10 - 0.20 50 - 70 0.15 - 0.20 0.15 - 0.20 0.15 - 0.25 60 - 80 0.20 - 0.25 0.25 - 0.30 0.20 - 0.35 65 - 80 U 225 BX - 2 U 440 BX - 5 0.25 - 0.40 0.20 - 0.35 0.30 - 0.40 70 - 100 0.30 - 0.40 80 - 200 0.05 - 0.25 0.05 - 0.30 0.05 - 0.45 120 - ... 0.05 - 0.15 0.05 - 0.15 0.05 - 0.15 U 225 BX - 5 P 20 B