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APKT | APHT

A grades selection guide | CHIP-BREAKER selection guide | A

Guia para selecção de graus | Tabla para selección de calidades Guia para aplicações do quebra-aparas | Guía para aplicación del rompevirutas

Grades HB Chip-Breaker Application

ISO PSM Material

HB Wear Resistance Toughness (Brinell) 1st choise Dificult Operations

ISO PSM Material (Brinell)

PH0910PH7(6)920PH7 (6)301Unalloyed Steel125-220APKT 16… PDER-X(X2)APKT 16… PDSR-X(-X2)
P2Low-Alloyed Steel220-280APKT 16… PDSR-X(X2)-
1Unalloyed Steel125-2203High-Alloyed Steel280-380APKT 16… PDSR-X(X2)-

P 2 Low-Alloyed Steel 220-280 4 SS - Ferritic / Martensitic 200-330 APKT 16… PDER-X(X2) -

3 High-Alloyed Steel 280-380 M 5 SS - Austenitic 200-330 APKT 16… PDER-X(X2) -

4 SS - Ferritic / Martensitic 200-330 6 SS - Austenitic-ferritic (Duplex) 230-260 APKT 16… PDSR-X(X2) -

M 5 SS - Austenitic 200-330 7 Malleable Cast Iron 130-230 APKT 16… PDSR-X(X2) APKT 16… PDSR-X(X2)

6 SS - Austenitic-ferritic (Duplex) 230-260 K 8 Grey Cast Iron 180-245 APKT 16… PDSR-X(X2) -

7 Malleable Cast Iron 130-230 9 Nodular Cast iron 160-250 APKT 16… PDSR-X(X2) -

Good Conditions N 10 Aluminium and Non Ferrous 30-130 AP...T 16… PDFR-LN APHT 16.... PDFR-LN

K8Grey Cast Iron180-245
9Nodular Cast iron160-250Average Conditions

N 10 Aluminium and Non Ferrous 30-130 Difficult Conditions

recommended cutting conditions | RAMPING AND HELICAL INTERPOLATION

Condições de corte recomendadas | Condiciones de corte recomendables Descida em rampa e interpolação helicoidal | Bajada en rampa e interpolación circular Vc (m/min) DH

ISO PSM Material HB Wear Resistance Toughness

(Brinell) Ramping Helical

PH0910 PH7(6)920 PH7(6)930 Lr

Interpolation

1Unalloyed Steel125-220-150-230150-180
P2Low-Alloyed Steel220-280-140-220140-170
3High-Alloyed Steel280-380-130-180120-150
4SS - Ferritic / Martensitic200-330--90-150
M5SS - Austenitic200-330--80-130
6SS - Austenitic-ferritic (Duplex)230-260--70-100
7Malleable Cast Iron130-230-150-28080-230
K8Grey Cast Iron180-245-130-230120-225
9Nodular Cast iron160-250-80-19080-180

Blind hole

N 10 Aluminium and Non Ferrous 30-130 350-1400 - -

Flat bottom

HB Feed fz (mm/t) Dc Ødi = ØDH - ØDc

ISO PSM Material (Brinell)

APKT 16… PDER-X/X2 APKT 16… PDS(T)R-X/X2 AP...T 16... PDFR-LN Helical Interpolation

1 Unalloyed Steel 125-220 0,07-0,15 0,10-0,25 - Ramping

ØDc Diameter for Blind Hole,

P 2 Low-Alloyed Steel 220-280 0,07-0,10 0,10-0,20 - Flat Bottom Face (1)

Max Pitch/Rev.

3 High-Alloyed Steel 280-380 0,07-0,10 0,10-0,20 -

Max Ramp aº Max ap Min Lr ØDHmin ØDHmax

4 SS - Ferritic / Martensitic 200-330 0,07-0,10 - -

46,1 - 3,5

M 5 SS - Austenitic 200-330 0,07-0,10 - - 25 3 14,5 276,7

- 48,4 3,9

6SS - Austenitic-ferritic (Duplex)230-260- - 0,07-0,1060,1-3,1
7Malleable Cast Iron130-230- 0,10-0,25 0,07-0,15 32214,5415,2
-62,43,3
K 8Grey Cast Iron180-245- 0,10-0,25 0,07-0,1576,1-3,0
401,514,5553,7
9Nodular Cast iron160-250- 0,10-0,20 --78,43,2
N 10Aluminium and Non Ferrous30-1300,07-0,20 - -96,1-2,8
501,114,5755,2
-98,42,9
(Note 1) Cutting conditions ae/Dc=70%.122,1-2,8
(Note 2) Cutting conditions for slotting and shouldering operations:630,8514,5977,3
-124,42,9
156,1-2,7
800,6414,51298,1
OperationVc & fz aeap (mm)-158,42,7
196,1-2,6
Slotting<20% 100%5,0-6,0 1000,514,51661,5
-198,42,7
<50% >8%6,0-9,0246,1-2,5
Shouldering1250,3814,52186,3
>12% 25%10,0-12,5-248,42,6

(1) Using insert radius 0,8 mm (Note 3) Cutting conditions should be adjusted according to the machine and work rigidity. Note: During helical interpolation do not exceed maximum pitch (Note 4) It’s possible to occur vibrations in certain cases. Please reduce depth of cut and / or reduce cutting conditions in following cases: When using different insert radius to calculate the ØDHmin and ØDHmax use the equation below: - When using long shank; - Minimum Diameter: ØDHmin = 2 x (ØDc - (R corner radius + F width of edge wiper)) - When using long tool overhang with arbor type; - Maximum Diameter: ØDHmax = 2 x (ØDc - R corner radius)