Общий каталог Widia 2017 - страница 29

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Навигация

P MSteel Stainless Steel
KCast Iron
NNon-Ferrous
SHigh-Temp Alloys
HHardened Materials

S High-Temp Alloys

feed rate (mm/rev) H Hardened Materials

-RH -UR Roughing

-ML -MR Medium Machining

feed rate (in/rev)

-FF Finishing

  • Step 2 • Select the grade

Negative Insert Geometry Positive Insert Geometry

Negative Insert GeometryPositive Insert Geometry
cutting condition-FF-ML-MR-UR-RH-FP-MU-MP
heavily interrupted cutWP15CTWP25CTWP35CT/ WP25CTWP35CTWP35CTWP25CT/ WS25PTWP35CTWM35CT
lightly interrupted cutWP15CTWP25CTWP25CTWP35CTWP35CTWP25CTWP25CTWP25CT
varying depth of cut, casting, or forging skinWP15CTWP15CTWP15CTWP25CTWP25CTWP15CTWP15CTWP15CT
smooth cut, pre-turned surfaceWP15CTWP15CTWP15CTWP25CTWP25CTWP15CTWP15CTWP15CT
  • Step 3 • Selecting the cutting speed

Low-Carbon (<0.3% C) and Free-Machining Steel speed — m/min Starting Conditions

material

Low-Carbon(3% C) and Free-Machining Steelspeed —m/minStarting Conditions
material groupgrade135180225275320360410455495m/min
WP15CT395
P0/P1WP25CT275
WP35CT210
WS10PT280

been added to each of the six workpiece material groups.

material group number of material

material ISO code subgroups

steel P 1–6

materialmaterial group ISO codenumber of material subgroups
steelP1–6
stainless steelM1–3
cast ironK1–3
non-ferrous materialsN1–8
high-temp alloysS1–4
hardened materialsH1