Общий каталог Tungaloy 2020 - 2021 - страница 1647

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Milling tools

Nomenclature for face milling cutter

Insert

Cutting edge inclination (λ)

Cutter height 〔LF〕

Peripheral

cutting

edge angle

(κ)

B

Axial rake angle (γp) 〔GAMP〕

Peripheral cutting edge C

(Main cutting edge)

Chamfering

corner

Face relief D

Workpiece angle

Face cutting edge

(Wiping flat) E

F

Peripheral

True rake relief angle G

angle (γ0) Radial rake angle (γf)〔GAMF〕

  • Relations of various rake angles are

according to the following equations. H

tan γ 0 = tan γ f cos κ + tan γ p sin κ

tan λ = tan γ p cos κ - tan γ f sin κ

〔 〕The notation in the brackets is the one used in the catalog (ISO compliant)

Cutter geometry and applications I

Rake angle combination and applicability Rake angle combination

ConditionNegative-Negative typePositive type
NegativeNegative-Positive Positive-Positive
-++(Negative-Negative) Negative-Positive type(Positive-Positive)
γp 〔GAMP〕
Shapes
of γf--+J
〔GAMF〕A.R.
cutting (-) A.R.Axial(+)Axial(+)A.R.Axial
edgeγo-++rakerakerake
angleangleangle
Carbon steels, alloy steels (300HB)
Stainless steels (300HB)×

Die steels ( 300HB) K

Workpiece Cast irons Ductile cast ironsRadialRadialRadial
R.R.R.R.rakeR.R.rake
materialrake
Aluminium alloys×angleangleangle

Copper and its alloys (-) (-) (+)

Titanium and its alloys × L

Hardened steels (40 ~ 55HRC) ×

  • Higher
  • Excellent
  • Most

cutting edge chip removal excellent

strength Higher cutting

  • Many cutting edge action
Featuresusablestrength and
corners ofFreer cuttingM
insertsaction
DoPentTungMillTFE12
Typical examples of millsDoTripleMillDPD09

〔 〕The notation in the brackets is the one used in the catalog (ISO compliant) Tungaloy L059