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Center Drill >>
The “ i-Center ” is a trademark of Nine9,
the developer of the first indexable center drill in the world.(Patented)
Offering an indexable insert system for the 1st time, Nine9’s “i-Center ” design
improves your process performance.
F eatures
World’s first indexable center drill
Shortens set up and center drilling time
Increases tool life and reduces tooling costs
High Speed, High Feed Rate
• The special ground insert and rigid holder design facilitate high
performance speed and feed rates. For example, drilling alloy steel
at 6000 rpm and feed rate of 600 mm/min. (0.1 mm/rev.)
Excellent Repeatability
• The positioning repeatability of the insert is within 0.02 mm
(.0008”) in radial direction, thus ensuring conformity to any national
standards.
Easy Tool Length Setting
• The axial position accuracy of the insert is 0.05 mm (.002”). It is
hanging the insert
not necessary to reset the tool length when changing
or cutting edge.
Extended Tool Life
• Coolant can be supplied through the center of the
e
holder to increase performance and extend
tool life.
• Insert geometry, grades and coating process
are specifically engineered for centering applications.
s.
Special forms are possible
36 Nine9 Cutting Tool & Tool Holders
High pressure coolant can be
supplied through center directly
to tip of center drill insert.