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technical data Dados técnicos | Datos técnicos

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


MILLING
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 in øDc
Smoth cutting allows longer overhang First choice for shallow cutting with low feed combination with round inserts. selected upon the workpiece dimensions
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.
rates. Dc = 1,3 - 1,5 ae
Overview


Overview
Face milling


Face milling
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
Hifeed milling


Hifeed milling
ae
not available, proper cutter position will
give good results.
F
Shoulder milling


Shoulder milling
ae = 3/4 Dc

Standard inserts
Profile milling


Profile milling
Cutter Position
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. Conventional Milling (Up Milling)
Hardmill


Hardmill
The feed direction of the workpiece is opposite to that of cutter
Negative (-) Neutral Positive rotation. The chip thickness starts at zero and increases to the
Rake Angle Rake Angle Rake Angle maximum at the end of cut. In Up Milling, the insert wear is
severe with excessive friction and high temperature caused by the
Center & Chamfer


Center & Chamfer
Standard Cutting Edge Shape (+) Axial Rake Angle (-) Axial Rake Angle (+) Axial Rake Angle rubbing or burnishing effect in the insert.

Channel Milling (Up and Down Milling)
Standard Cutting
Radial Rake Angle Radial Rake Angle Radial Rake Angle The cutter position is in the middle of the workpiece and the
Spot face


Spot face
Edge Combinations
cutting force is alternately changed in the radial direction. It
(+) (-) (-) causes vibration when the spindle structure is weak. Channel
Milling is a combination of conventional and climb milling. When
Double Positive Double Negative Negative / Positive Channel Milling is necessary use positive geometry cutters at
(DP Edge Type) (DN Edge Type) (NP Edge Type)
reduced speeds and feeds with coolant.
End Mills


End Mills
Axial Rake Angle p Positive (+) Negative (-) Positive (+)
Radial Rake Angle f Positive (+) Negative (-) Negative (-)
Insert Used Positive Insert (One Sided Use) Negative Insert (Double Sided Use) Positive Insert (One Sided Use)
Climb Milling (Down Milling)
-
Spare parts


Spare parts
Steel
Climb Milling is normally recommended.
Work Material


Cast Iron - The feed direction of workpiece is the same as that of cutter
Aluminium Alloy - - rotation. So the chip thickness starts from the maximum and
Hardened Materials - decreases to zero at the end of cut. The tool life is long with less
heat and minimum work hardening of workpiece.
Technical Data


Technical Data
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