Общий каталог Tungaloy 2020 - 2021 - страница 1011

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STANDARD CUTTING CONDITIONS FO R MJ INSERT T PM / K R

Roughing

ISOWorkpiece materialFeed per tooth fz (mm/t)
TPKR43ZSR-MJTPMR2204PDSR-MJ
Mild steels·Unhardened steels < 180 HB0.1 ~ 0.230.1 ~ 0.4
Carbon steels · Alloy steels < 300 HB0.1 ~ 0.20.1 ~ 0.35
Die steels < 30 HRC0.1 ~ 0.180.1 ~ 0.25

Please refer to the above table for cutting speeds and fi nishing conditions. D

STANDARD CUTTING CONDITIONS (WHEN FINISHING INSERT IS IN USE) E

T F P 4 0 0 0 I A ( Fo r f i n i s h i n g )

ISOGradesCutting speed
Workpiece materialRegular insertFinishing insertVc (m/min)
Mild steels·Unhardened steelsNS740N308180 ~ 300
< 180 HBN308N308180 ~ 250
Carbon steels · Alloy steelsNS740N308150 ~ 250
< 300 HBN308N308150 ~ 230
Cast irons. Ductile cast ironsT1115TH10100 ~ 150

Cast irons. Ductile cast irons T1115 TH10 100 ~ 150 G

Notes:

  • Above conditions are applied when the fi nishing insert is used.
  • Generally, high-speed, high-feed and small depth of cut are recommended for TFP4000IA type cutters.
  • When cutting width is larger than 60 mm, the maximum depth of cut should be around 1 mm.
Starting guideline
Depth of cutFeed per rev.Feed per tooth
ap (mm)f(mm/rev)fz (mm/t)
> 1.01 ~ 1.60.15 ~ 0.2
0.2 ~ 0.71.6 ~ 2.50.18 ~ 0.3
< 0.12 ~ 3.50.2 ~ 0.4

Notes: When cutting width is larger than 60 mm, the maximum depth of cut should be around 1 mm. I

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