
DTA type Standard feed and DoC Full radius type 5
4
3
2
1
0 0.1 0.2 0.3 0.4 0.5 0.6 Feed: f (mm/rev) Groove width: CW (mm)
| External | 6 | 8 | |||||
| F108 page | |||||||
| Internal | External grooving of hardened steel | ||||||
| SGN-CBN type | Standard feed | ||||||
| Face | Suitable for hardened steel |
| (1 corner) machining | 0.1 | ||
| Optimum cutting edge shape for | 0.08 | ||
| Parting | grooving of hardened steels | ||
| 0.06 | |||
| Others | High tolerance width for fi nishing | 0.04 | |
| CW = 2 - 4 mm | 0.02 | ||
| (Tolerance: ±0.025 mm) | |||
| 0 |
2 3 4
Groove width: CW (mm) F108 page AH7025 performance First choice for grooving of various materials
AH7025 Conventional (SCM440)
INSERT : DTE3-040 AH7025 Cutting Speed : Vc = 150 m/min Feed : f = 0.17 mm/rev Groove depth : 17 mm
Product series :External toolholder for
Tool wear after 60 grooves Tool wear after 30 grooves grooving
Coolant :Wet AH7025 provides stability, while preventing coating from peeling off evenafter machining twice the number of passes compared to the conventional grade.