Общий каталог Tungaloy 2020 - 2021 - страница 868

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Навигация

ISOWorkpiece materialHardnessPriorityGradesCutting speed Vc (m/min)Feed per tooth fz (mm/t)
Carbon steelsFirst choiceAH725100 - 3000.5 - 2
S45C, etc.~ 300HBWear resistanceT3130100 - 3000.5 - 2
C45, etc.Fracture resistanceAH130100 - 3000.5 - 2
Alloy steelsFirst choiceAH725100 - 2000.5 - 1.5
SCM440, etc.~ 300HBWear resistanceT3130100 - 2000.5 - 1.5
42CrMo4, etc.Fracture resistanceAH130100 - 2000.5 - 1.5
Prehardened steels NAK80, PX5, etc.30 ~ 40HRC-AH725100 - 2000.5 - 1
Stainless steels SUS304, etc. X5CrNi18-9, etc.~ 200HB-AH130100 - 1500.3 - 0.8
Gray cast irons FC250, etc.--AH120100 - 3000.5 - 2
250, etc.
Ductile cast irons FCD600, etc. 600-3, etc.--AH12080 - 2000.5 - 2
Titanium alloy Ti-6Al-4V, etc.~ 40HRC-AH72530 - 600.3 - 0.7
Hardened steels40 ~ 50HRC-AH72580 - 1300.1 - 0.3
SKD61, etc. X40CrMoV5-1, etc.50 ~ 60HRC-AH72550 - 700.03 - 0.07

Approach angle

10°-20° Slot or pocket milling is not recommended, since chip re-cutting easily Cutting conditions are generally limited by the rigidity and power of the

occurs. machine and the rigidity of the workpiece. When setting the conditions, start

  • Tool overhang length must be as short as possible to avoid chatter. When from half of the values of the standard cutting conditions and then increase

45 the tool overhang length is long, decrease the number of revolutions and feed. the value gradually while making sure the machine is running normally.

70° 85° 88° 90°

Others