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technical data

Dados técnicos | Datos técnicos

A A

Coarse Pitch Type Normal Pitch Type Fine Pitch Type Choosing Cutter Diameter

First choice for cutting aluminium First choice for roughing in stable conditions. First choice for cast iron.

(long-chipping material - ISO N). Good productivity. First choice for high productivity with low width

First choice for unstable operations due to Good chip space for roughing in steels, stainless of cut (Ae). The Best Cutter Diameter (ØDc) should be

lowest cutting forces.steel and super alloys.Roughing in super alloys materials inøDc
selected upon the workpiece dimensions

Smoth cutting allows longer overhang First choice for shallow cutting with low feed combination with round inserts.

applications. rates. For cutting operations where chip dischange F ae

First choice for deep cutting and high feed volume is small and high table feed is desired. Dc = 1,3 - 1,5 ae

rates.

Standard inserts

Positive and Negative Rake Angle

- Insert shape whose cutting edge precedes is a positive rake angle. - Insert shape whose cutting edge follows is a negative rake angle.

Standard Cutting Edge Shape (+) Axial Rake Angle

If the machine power is limited or the

workpiece is too wide, select a cutter

diameter that takes more than two passes

or that matches the power of machine. øDc

When the appropriate cutter diameter is

not available, proper cutter position will ae give good results.

F

ae = 3/4 Dc

Cutter Position

Conventional Milling (Up Milling)

The feed direction of the workpiece is opposite to that of cutter

Negative (-)NeutralPositiverotation. The chip thickness starts at zero and increases to the
Rake AngleRake AngleRake Anglemaximum at the end of cut. In Up Milling, the insert wear is
severe with excessive friction and high temperature caused by the
(-) Axial Rake Angle(+) Axial Rake Anglerubbing or burnishing effect in the insert.

Channel Milling (Up and Down Milling)

Standard Cutting Edge Combinations(+) Radial Rake Angle(-) Radial Rake Angle(-) Radial Rake Angle
Double Positive (DP Edge Type)Double Negative (DN Edge Type)Negative / Positive (NP Edge Type)
Axial Rake Angle pPositive (+)Negative (-)Positive (+)
Radial Rake Angle fPositive (+)Negative (-)Negative (-)
Insert UsedPositive Insert (One Sided Use)Negative Insert (Double Sided Use)Positive Insert (One Sided Use)
l Steel-
ateria Cast Iron-
Work M Aluminium Alloy--
Hardened Materials-

causes vibration when the spindle structure is weak. Channel

Milling is a combination of conventional and climb milling. When

Climb Milling (Down Milling)

Climb Milling is normally recommended.

The feed direction of workpiece is the same as that of cutter

heat and minimum work hardening of workpiece.