601 Каталог ISCAR 2017 Вращающийся режущий инструмент и инструментальная оснастка Стр.597

Каталог ISCAR 2017 Ротационный инструмент Стр. 597 0601 ENG Lab2u

USER GUIDE ISCARDniLL General - Calculations Spindle Speed (min-1) Power Requirement (kW) vc 1000 r-\ Q n= n D Pc= kc sin k 60.000 n Cutting Speed (m/min) Torque (Nm) n D n vc = 1000 ,, f kc D2 = 1000 8 sin k km Table Feed (mm/min) Feed Force (approx.) (N) vf = f n Ff = 0.63 D f kc sin k kf 2 Material Removal Rate (cm3/min) Machining Time (min/piece) vf n D2 Q= 4000 Tc = Machining Cost ( /piece) CMh Cc= 60 Tc f = Feed/rev mm/rev kc = Material specific cutting force N/mm2 h = Distance from drill point to workpiece mm before feeding L = Depth of hole mm CMh = Cost/machine hour /h n = Machine efficiency % k = 90° 1180° bottom drills sin k = .R D k = 70° 140° point angle drills sin k = 0.94 J SCD.., DCM. ., DCN.. Drill Geometry Coeficient DCM DCN SCD km 1 0.85 0.85 kf 1 0.85 0.85 Example kQ Values Drill DR 220-044-25-07-2D-N (022 mm) k=90°; sin k=1 Material No. 4 kc=2200 N/mm2 CMh=50 /h n=0.75 vc=200 m/min f=0.15 mm/rev L=25 mm h=10 mm km=1 kf=1 Material Group kc Value n=vc 1000 = 200 1000 =2894 min-1 n D n 22 vf = f n=0.15 2894=434 mm/min q= vf n D2 = 434 3.14 (22)2 =165 cm3/min 4000 4000 Pc= Q kc sin k= 165 2200 1 =8.06 kW 60.000 n 60.000 0.75 Mc= D sin k= 0.15 2200 222 1. 1=20 Nm 1000 8 1000 8 D 22 Ff=0.63 f kc sin k=0.63 0.15 2200 1 1=2286 N Tc =L+h = 25+10 = 0.08 min/piece vf 434 Cc= CMh Tc = 50 0.08 =0.067 /piece 60 60 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 26 27 28 31 32 33 34 35 36 37 38 39 40 4 1 2000 2100 2150 2200 2200 2100 2100 2100 2100 2500 3250 2300 2800 2600 1100 1300 1100 1800 900 1000 500 800 800 700 700 1700 3000 3100 3300 3300 3200 1700 1700 4600 4700 4600 4500 For material groups, see pages 1008-1043 GYRO Auxiliary Devices for Lathe Machines Designed to Correct Misalignment on Stationary Operation Drills can be used on sloped surfaces up to 6°. When drilling sloped surfaces of more than 6°, reduce feed by 30-50% during penetration of up to 5 mm depth; or use a spot or pre-hole drill to avoid drill deviation or poor drill performance. 597 SOLID CARBIDE DRILLS