Каталог Widia достижения 2020 - страница 160

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Grooving and Cut-Off • WGC

Plunge feed rates

first choicePSteelKCast IronSHigh-Temp Alloys
v
alternate choiceMStainless SteelNNon-FerrousHHardened Materials
j
Corner Starting Plunge Feed Rates mm/rev
SeatRadiusConditions

Chip Insert Size

Geometry Description Control (SSC)mm0,35 0,30 0,25 0,20 0,15 0,10 0,05 mm
1F0,20,06
20,20,08
0,20,09
3
0,40,11
0,40,12
4
0,80,15
Positive rake0,40,15
angle for lower -PT 5
0,80,16
cutting forces.
0,40,15
60,80,18
1,20,20
0,80,20
8
1,20,22
101,20,24
1F0,20,06
20,20,08

0,2 0,09 3 0,4 0,11 0,4 0,12

Stable negative 4 0,8 0,15

cutting edge 0,4 0,15

-PNallowing for5
0,80,16
more aggressive
applications.0,40,15
60,80,18
1,20,20
0,80,20
8
1,20,22
101,20,24
Cut-Off Feed Rates
SeatStarting Cut-Off Feed Rates mm/rev
InsertSize Conditions
Geometry DescriptionGeometry (SSC)0,40 0,35 0,30 0,25 0,20 0,15 0,10 0,05 mm
1B0,06
20,07
Positive geom-30,09
-F etry for reduced
40,11
cutting forces.
50,13
1B0,06
20,07
Stable cutting30,09
edge for40,11
-M aggressive feed
50,14
rates. Primarily
in cast iron.60,16
80,14
20,10
30,14
Most stable40,16
-R cutting edge50,19
for steel.60,21

8 0,23 NOTE: For cut-off inserts with a lead angle, maximum feed rate should be reduced by up to 40%. Maximum Feed Rate Values I.D. and Face Grooving

Material Feed

GroupFactorFor I.D. and face grooving
Data above is for P and K material groups. Maximumapplications, reduce feed
feed rates should be adjusted by multiplying max feed rateM0.8
N1.2rate by 20%.

values by following factors for shown material groups. S 0.8 H 0.5