TungDrillBIG -Clutch disk for ships–
IMPROVED PRODUCTIVITY
Previously, a φ50 hole was drilled first, followed by contouring up to φ80. We proposed one-shot machining with the φ80 TungDrillBIG, equipped with TungSixDrill inserts featuring excellent edge strength and the new AH7030 grade. This enabled stable machining without chipping of the cutting edge, improving machining efficiency by 3.4 times. In addition, the contouring process was successfully eliminated.
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| Industry | Heavy |
|---|---|
| Component | Clutch Disk |
| Material ISO code |
 P - Steel |
| Work material | Special steel |
| Machine(spindle type) | Horizontal Machining Center Large(#50,HSK100) |
| Tool family | Holemaking |
| Tool category | Drilling |
| Product name | TungDrillBig |
| TSR No. | 5365H |
Tool
| Tungaloy | Competitor | |
|---|---|---|
| Body | TDB74-80F50-2.5 | Indexable drill, φ50, 3xD |
| Insert | WWMU11X512R-DJ | Posi, 4cornered |
| Grade | AH7030 | PVD, P30 |
Cutting conditions
| Tungaloy | Competitor | |
|---|---|---|
| Tool diameter DC (mm) | 80 | 50 |
| Hole depth H (mm) | 90 | 90 |
| Cutting speed V/c (m/min) | 100 | 47 |
| Feed f (mm/rev) | 0.08 | 0.08 |
| Feed speed Vf (mm/min) | 32 | 24 |
| Coolant | Internal | Internal |