TOOLING SYSTEM
tool （ NBT ） is created from the technology of the tool （ MBT ） with its acclaimed cutting and safe and reliable triple contact type. A series of MAJOR DREAM Holders and high speed tooling were created using the tool system.
・ MIN. Z-axis displacement at high speed rotation ・ Improved run-out accuracy of ATC repeatability
Triple Face Contact
tool
BT/IT Double Face Contact Spindle
BT/IT Double Face Contact Spindle
+
tool
Double Face Contact
tool
BT/IT Double Face Contact Spindle
+
tool
tool can also be used on the machine with BT/IT standard spindle.
The Nikken tooling system is not a simple taper/flange double face contact tool. The built-in dampening mechanism and front chucking mechanism have a variety of features.
P.183 ‥‥ Dampening Mechanism ＋ TiN Bearing Nut
MAJOR DREAM Holder
（ HV2,200 ）
The dampening effect generates the excellent cutting.
It has a built-in internal damping mechanism that is not found in BT double contact tool.
BT Tool
50
Harmonic vibration ⇒ Unstable cutting
G （ vibration ） × 1
0
-50
0.0
TIME
8.0msec
MAJOR DREAM
50
Dampening Effect ⇒ stable cutting
G （ vibration ） × 1
0
-50
Within 3 μ m
0.0
TIME
8.0msec
173
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