
| (mm/rev) | 0,30 | 0,40 | 0,50 | 0,55 | 0,60 | 0,65 | 0,70 | 0,75 | 0,80 | |
| SDP Type | OK | OK | OK | OK | OK | OK | OK | OK | ||
| Competitor | OK | Breakage! |
Internal test conditions Drill: Ø 4, L/D=5
Work Material: Carbon Steel (C50) Cutting Data: vc=80m/rev, ap=18mm Comparison of Tool Life Triple Tool Life
Drill: Ø 8, L/D=5
| SDP Type | Work Material: | Carbon Steel (C50) | |
| Cutting Data: | vc=80m/min, f=0,15mm/rev, ap=38mm, | ||
| Through hole, Internal coolant | |||
| Competitor | Breakage! | ||
| SDP Type |
0 20 40 60
Cutting Length (m) Competitor SDP Type Cut volume: 950cm3 Cut volume: 3800cm3 Competitor
Breakage
500 Holes Work: C50, Drill Dia: 8mm, L/D=5 2000 Holes
Excellent Hole Accuracy Hole Accuracy Chip Shape Compact cutting chips Stable hole size
SDP Type 0,011
Number of holes Entrance Bottom Longer cutting chips Unstable Competitor Breakage! 0,016
Number of holes Entrance Bottom Drill: Ø 8, L/D=5 Workpiece: Carbon Steel (C50) Cutting Data: vc=80m/min, f=0,25mm/rev, ap=24mm, Blind-hole, Internal coolant