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XPET

A grades selection guide | RAMPING AND HELICAL INTERPOLATION A

Guia para selecção de graus | Tabla para selección de calidades Grades Descida em rampa e interpolação helicoidal | Bajada en rampa e interpolación circular DH HB Wear Resistance Toughness

ISO PSM Material di

(Brinell) PH0910 PH5705 PH7920 PH5740 PHS740 PH7740 Ramping Helical

Lr Interpolation

1Unalloyed Steel125-220✓✓✓
P2Low-Alloyed Steel220-280✓✓✓
3High-Alloyed Steel280-380✓✓✓
4SS - Ferritic / Martensitic200-330✓
M5SS - Austenitic200-330✓
6SS - Austenitic-ferritic (Duplex)230-260✓
7Malleable Cast Iron130-230✓✓✓✓Blind hole
K8Grey Cast Iron180-245✓✓✓✓Flat bottom

Good Conditions

9Nodular Cast iron160-250✓✓✓✓DcØdi = ØDH - ØDc
N10Aluminium and Non Ferrous30-130Average Conditions

✓ Helical Interpolation

S 11 Heat Resistant Super Alloys 200-320 ✓ Difficult Conditions

Ramping ØDc Diameter for Blind Hole, Flat Bottom Face (1) Max Pitch/Rev.

CHIP-BREAKER selection guide | Max Ramp aº Max ap Min Lr ØDHmin ØDHmax

Guia para aplicações do quebra-aparas | Guía para aplicación del rompevirutas

58,8 - 5,6

32 3,8 17,0 255,9

- 62,4 6,3

HB Chip-Breaker Application

ISO PSM Material 74,8 - 5,2

(Brinell) 1st choise Dificult Operations 40 2,7 17,0 360,5

- 78,4 5,7

1 Unalloyed Steel 125-220 XPET 17 … LP XPET 17 … MP 94,8 - 4,9

50 2,0 17,0 486,8

P2Low-Alloyed Steel220-280XPET 17 … LPXPET 17 … MP-98,45,3
3High-Alloyed Steel280-380XPET 17 … MP-120,8-4,8

63 1,5 17,0 649,2

4SS - Ferritic / Martensitic200-330XPET 17 … LP--124,45,0
M5SS - Austenitic200-330XPET 17 … LP-154,8-4,1

80 1,0 17,0 973,9

6SS - Austenitic-ferritic (Duplex)230-260XPET 17 … LP--158,44,3
194,8-4,2
7Malleable Cast Iron130-230XPET 17 … LPXPET 17 … MP1000,817,01217,5
-198,44,3
K8Grey Cast Iron180-245XPET 17 … MP-
244,8-4,3
9Nodular Cast iron160-250XPET 17 … MP-1250,717,01498,4
-248,44,4
N10Aluminium and Non Ferrous30-130XPET 17 … LN-

(1) using LP insert with radius 0,8 mm

S 11 Heat Resistant Super Alloys 200-320 XPET 17 … LP - Note: During helical interpolation do not exceed maximum pitch

When using HF insert or other different insert radius to calculate the ØDHmin and ØDHmax use the equation below: - Minimum Diameter: ØDHmin = 2 x (ØDc - (R corner radius + F width of edge wiper)) recommended cutting conditions | - Maximum Diameter: ØDHmax = 2 x (ØDc - R corner radius) Condições de corte recomendadas | Condiciones de corte recomendables Vc (m/min) Vc (m/min) HB Feed fz (mm/t)

ISO PSM Material (Brinell) Wear Resistance Toughness

PH0910PH5705PH7920PH5740 PH5740PHS740PH7740XPET 17… LPXPET 17… MPXPET 17… LN
1Unalloyed Steel125-220--160-280-140-220140-2200,10-0,350,10-0,35-
P2Low-Alloyed Steel220-280--150-230-130-180130-1800,10-0,350,10-0,35-
3High-Alloyed Steel280-380--140-190-100-170100-1700,10-0,300,10-0,30-
4SS - Ferritic / Martensitic200-330-----130-2200,10-0,300,10-0,30-
M5SS - Austenitic200-330-----120-1800,10-0,300,10-0,30-
6SS - Austenitic-ferritic (Duplex)230-260-----70-1400,10-0,250,10-0,25-
7Malleable Cast Iron130-230-160-380160-350150-300-140-2600,10-0,350,10-0,35-
K8Grey Cast Iron180-245-150-320150-300140-250-130-2200,10-0,350,10-0,35-
9Nodular Cast iron160-250-120-280120-260120-220-100-1800,10-0,300,10-0,30-
N10Aluminium and Non Ferrous30-130350-1400------0,10-0,35 -
S11Heat Resistant Super Alloys200-320-----30-650,10-0,20- -

(Note 1) Cutting conditions ae/DC=70% (Note 2) Cutting conditions should be ajusted according to the machine and work rigidity. (Note 3):

Operation ae Vc & fz ap (mm) (Note 4) It’s possible to occur vibrations in certain cases.

Please reduce depth of cut and / or reduce cutting conditions in following cases:

Slotting 100% <20% 2,0-6,0

- When using long shank;

<50% >8% 7,0-13,0 - When using long tool overhang with arbor type;

Shouldering

≤25% >12% 13,0-16,0 - When application has poor clamping rigidity or when using a low rigidity machine.