DRILLING TOOL
PURPOSE: A drilling tool is provided to enhance the breakage prevention characteristic during drilling and improve the roughness of a drilled surface. CONSTITUTION: A drilling tool comprises one or more spiral chip discharging grooves(2) and a clearance forming tip(4). The spiral chip discharging gr...
Gespeichert in:
| Hauptverfasser: | , , |
|---|---|
| Format: | Patent |
| Sprache: | eng ; kor |
| Schlagworte: | |
| Online-Zugang: | Volltext bestellen |
| Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
| Zusammenfassung: | PURPOSE: A drilling tool is provided to enhance the breakage prevention characteristic during drilling and improve the roughness of a drilled surface. CONSTITUTION: A drilling tool comprises one or more spiral chip discharging grooves(2) and a clearance forming tip(4). The spiral chip discharging grooves are formed on the outer surface of a tool body(1) from the leading end to the base end. The clearance forming tip is formed between the chip discharging groove and a land(3), lower than the land. |
|---|