Общий каталог Palbit - страница 45

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

HB Wear Resistance Toughness Lr DH

ISO PSM Material (Brinell)

PH7910 PH7920 PH7930 PH7740 PHM740

Ramping Helical Interpolation

9 Nodular Cast iron 160-250 Average Conditions Blind hole

S 11 Heat Resistant Super Alloys 200-320 Flat bottom

• Difficult Conditions Dc

Ødi = ØDH - ØDc

recommended cutting conditions |

Condições de corte recomendadas | Condiciones de corte recomendables

Vc (m/min) Ramping Helical Interpolation

Feed fz (mm/t) ØDc

ISO PSM Material HB Wear Resistance Toughness

(Brinell) Max Ramp aº Max ap Min Lr ØDHmin ØDHmax Max Pitch/Rev.

PH7910 PH7920 PH7930 PH7740 PHM740 SOEW 08... SOET 08… 26,4 - 6

20 15 1,0 3,2

25 9,5 1,0 6,0

32 5,5 1,0 10,4

- 62,0 9

M 5 SS - Austenitic 200-330 - - 120-180 90-150 90-150 - 0,40-1,30

56,4 - 5

6 SS - Austenitic-ferritic (Duplex) 230-260 - - 70-140 70-120 70-120 - 0,10-1,00 35 4,5 1,0 12,7

- 68,0 8

S 11 Heat Resistant Super Alloys 200-320 - - 35-65 25-60 25-60 - 0,40-1,00

(Note 1) Cutting conditions ae/Dc=70%.

PLUNGING |

(Note 2) It’s possible to occur vibrations in certain cases. Please reduce depth of cut and / or reduce cutting conditions in following cases: Mergulho | Plunge - When using long shank; - When using long tool overhang with arbor type;

- When application has poor clamping rigidity or when using a low rigidity machine. L≤3Dc L>3Dc

S max. DR S (Note 3) PH5… and PHS… can be used wet or dry. PH7… use only air. fz (mm/t)

0,08-0,15 0,05-0,10 Smax = DC.DR-DR2

(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 long shank; - When using long tool overhang with arbor type; - When application has poor clamping rigidity or when using a low rigidity machine.

CHIP-BREAKER selection guide |

Guia para aplicações do quebra-aparas | Guía para aplicación del rompevirutas HB Chip-Breaker Application

ISO PSM Material S max and DR corrsponding cutting diameter Dc (mm)

DR (mm)