Общий каталог Tungaloy 2020 - 2021 - страница 896

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Навигация

ISOWorkpiece materialsHardness HBSelection criteriaRecommended gradeChip- breakerCutting speed Vc (m/min)Feed per tooth fz (mm/t)
200 - 300 HBFirst choiceAH3135MJ100 - 2500.1 - 0.4
Low carbon steels S15C, etc.200 - 300 HBLow cutting forceAH3135ML100 - 2500.1- 0.3
C15, etc.200 - 300 HBWear resistanceT3225MJ200 - 3500.1- 0.3
200 - 300 HBSurface qualityNS740MJ100 - 2500.1- 0.3
150 - 300 HBFirst choiceAH3135MJ100 - 2500.1- 0.35
High carbon steels, alloyed steels S45C, SCM440, etc.150 - 300 HBLow cutting forceAH3135ML100 - 2500.1- 0.3
C45, 42CrMo4, etc.150 - 300 HBWear resistanceT3225MJ180 - 3000.1- 0.3
150 - 300 HBSurface qualityNS740MJ100 - 2500.1- 0.3
30 - 40 HRCFirst choiceAH3135MJ100 - 2000.1- 0.3
Prehardened steel NAK80, PX5, etc.30 - 40 HRCLow cutting forceAH3135ML100 - 2000.1- 0.25
30 - 40 HRCWear resistanceT3225MJ150 - 2500.1- 0.25
- 200 HBFirst choiceAH3135ML100 - 2000.1 - 0.3
Stainless steel SUS304, etc. X5CrNi18-9, etc.- 200 HBFracture resistanceAH3135MJ100 - 2000.1 - 0.35
- 200 HBWear resistanceT3225MJ100 - 2500.1 - 0.3
Grey cast irons FCD400, etc.150 - 250 HBFirst choiceT1215MJ100 - 3000.1 - 0.35
250, etc.150 - 250 HBFracture resistanceAH120MJ100 - 2500.1 - 0.4
Ductile cast iron FCD400, etc.150 - 250 HBFirst choiceT1215MJ100 - 3000.1 - 0.35
400-15S, etc.150 - 250 HBFracture resistanceAH120MJ80 - 2000.1 - 0.4
Aluminium alloys Si < 13%-First choiceTH10AJ500 - 15000.1 - 0.5
Aluminium alloys Si ≥ 13%-First choiceTH10AJ150 - 5000.1 - 0.5
Titanium alloys- 40 HRCFirst choiceAH3135ML30 - 600.1 - 0.3
Ti-6Al-4V, etc.- 40 HRCFracture resistanceAH3135MJ30 - 600.1 - 0.3
Heat-resistance alloys Inconel 718, etc.- 40 HRCFirst choiceAH725MJ10 - 400.04 - 0.1

90°

Others

  • Remove excessive chip with an air blast to prevent chip jamming.
  • Cutting conditions may be limited depending on machine power, workpiece rigid-
  • Use water-soluble coolant to avoid built-up edge in case extreme ity, and spindle output. When the cutting width, depth or overhang length is large, welding occurs on cutting edges. (ex. aluminium machining). set Vc and fz to the lower recommended values and check the machine power
  • For the operation with depth of cut which varies (ex. casting skin) and machining and vibration. of workpiece materials with interrupted surface, the feed (fz) should be set to the lower recommened value shown in the above table.

Installation of inserts on an extra close-pitch cutter

  • On an extra close-pitch cutter, the screw hole of an insert

pocket is placed at an angle.

  • Leave a gap between the insert and pocket when starting to

fasten the screw on the cutter body as shown in Fig. A.

  • After fastening the screw, please ensure that there is no gap Leave a gap

between the cutter body and insert. (Fig. B) when starting to fasten the screw.

Notes for using wiper inserts

  • When fine surface finish is required, wiper insert

PNCU0905GNER-W is recommended.

  • Attach the insert with its notch on the top, as shown in Fig. C.
  • Also, make sure that the mark of the insert is located at the bottom

of the cutter body, as shown in Fig. D.

  • The wiper insert has two corners available (Fig. D).

Do not use the other corners as the cutter body may be broken.

Fig. A Fig. B

Notch

Cutting edge

Cutting edge Mark

Fig. C Fig. D