Indexable Drills
Application Data • Top Cut 4 ™
Top Cut 4 • Cast Iron • 2 x D/3 x D • Speed Chart • Metric
Recommended Cutting Speed by Diameter (m/min)
Top Cut 4
Material
Group
Condition
S
1
U
I
S
K
2
U
I
S
3
U
I
Pocket
Seat Geometry Grade
P V34 WPK10CH
C V34 WU25CH
P V34 WU25CH
C V34 WU40PH
P V34 WU40PH
C V34 WU40PH
P V34 WPK10CH
C V34 WU25CH
P V34 WU25CH
C V34 WU40PH
P V34 WU40PH
C V34 WU40PH
P V34 WPK10CH
C V34 WU25CH
P V34 WU25CH
C V34 WU40PH
P V34 WU40PH
C V34 WU40PH
Insert Size E Insert Size F Insert Size G Insert Size H
TCF120405EC
TCF100408EP
30,00–36,99mm TCF150406FC
TCF120412FP
37,00–45,99mm TCF180508GC
TCF150512GP
46,00–56,99mm TCF210608HC
TCF180614HP
57,00–68,00mm
min Start max min Start max min Start max min Start max
160 200 280 160 200 280 160 200 280 160 200 280
150 180 260 150 180 260 150 180 260 150 180 260
140 170 260 140 170 260 140 170 260 140 170 260
150 180 260 150 180 260 150 180 260 150 180 260
140 160 250 140 160 250 140 160 250 140 160 250
140 160 250 140 160 250 140 160 250 140 160 250
150 170 250 150 170 250 150 170 250 150 170 250
140 160 240 140 160 240 140 160 240 140 160 240
140 160 220 140 160 220 140 160 220 140 160 220
NOTE: For 4 x D, it is highly recommended to start with feed and speed values reduced by 10% less than above recommendations.
For 5 x D, diameter range 12–23,99mm (insert sizes A to C), it is highly recommended to start with feed and speed values reduced by 20% less than
above recommendations.
For 5 x D, diameter range 24–68mm (insert sizes D to H), it is highly recommended to start with feed and speed values reduced by 15% less than
above recommendations.
For 4 x D and 5 x D, it is recommended to reduce the feed rate during entry and exit by 30–50%.
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V35
Indexable
Condition: S = stable conditions,
U = unstable cutting conditions,
I = interrupted cutting conditions
Pocket Seat: P = periphery insert,
C = centre insert