Ultrasonic Spindle  

industria More precise and deeper machining can be achieved by Ultrasonic Spindle.

Priciples

Good news for you, if you are looking for fine and precise machining.
Ultrasonic Spindle can be customized and built in your present machine.
Components of Ultrasonic Spindle Transfers the designed vibration to the tool tip.
Shrink Fit is applied to hold the tool tip and steadily drives the vibration.
Higly compact in size, 1/3 of the conventional type
The outer diameter of a spindle is one third of the conventional type.
Ultrasonic Spindle can be attached to small machines.
High rotation speed, more than twice higher than the conventional type
Rotation speed of the spindle reaches twice higher than the conventional tools.
Very little tool bending
Limited bending of the tool provides a great advantage espacially in case of a small tip application to high aspect ratio machining.
Fine and high accuracy machining
Ultrasonic Spindle can be applied to hard and fine materials such as ceramics in semiconductor industry.
It vibrates 40,000 times in a second
n:r.p.m.
f:frequency
a:amplitude
It vibrates 40,000 times in a second.
Components of Ultrasonic Spindle
Ultrasonic Spindle will match your needs for technology innovation.



Specifications

ultrasonic spindle  ultrasonic spindle
          R2 Unit

Specifications
Model  R2
Oscillating Direction
Vertical (tool axis direction)
Ultrasonic Frequency
approx. 40 kHz ※1
Amplitude(0-p)
0-2 μm ※1
Revolution Speed
5,000-20,000min-1
Power Supply
AC100V 50/60Hz
(for Motor unit and Ultrasonic generator)
Air Pressure※2
0.1 MPa (for Motor)
0.05 MPa (for Cooling)  
※1 Depends on the specificatin.
※2 Clean and dry air
Height 280mm
Diameter φ56mm
Height 280mm
Diameter φ45mm



Examples
 Technical Data 1  Milling by the long ball end mill

Tool (the numbers of edges) Carbide ball end mill coated by TiAlN for deep rib(two edges)
Radius of ball R=0.1mm , Length of tool L=3mm


 Depth of milling:0.1mm 

Spindle Speed 20,000min-1
Work Material
NAK55
(40HRC)
Feed speed
100mm/min
Depth of milling
0.005mm
(Ad)
Coolant
Oil Mist
Ultrasonic Frequency
40kHz
Amplitude(0-p)
1μm

No Vibration
Vibration
1mm



 Technical Data 2  Milling by the long electroplated tool


Tool: Grindstone electrodeposited with diamond grits
Radius of ball R=0.1mm , Length of tool L=0.5mm


 Depth of miling

Spindle Speed 20,000min-1
Work Material
Glass
Feed Speed
100mm/min
(Ad)
Depth of milling
0.002mm
Coolant
Water Soluble Oil
Ultrasonic Frequency
40kHz
Amplitude (0-p)
1μm

No Vibration Vibration
0.5mm 0.5mm



 Technical Data 3  Drilling by the long drill


Tool: Microdrill
Diameter D=0.1mm
Length of tool L=1.0mm

Tilt angle 10°
Step 20μm 10μm

Tool broken
No Vibration
Vibration
0.1mm


 Depth of drilling:0.1mm  

Spindle Speed 20,000min-1
Work Material
NAK55
(40HRC)
Feed Speed
20mm/min
Step Feed
10 , 20μm
Coolant
Oil Mist
Ultrasonic Frequency
40kHz
Amplitude (0-p)
1μm



Tool Diamond coated drill
Diameter D=0.15mm
Tool length L=1.5mm

Tool broken
No Vibration
Vibration
0.1mm


 Depth of drilling:0.1mm

Spindle Speed 20,000min-1
Work Material
Ceramics
Feed Speed
10mm/min
Step Feed
10μm
Coolant
Water
Ultrasonic Frequency
40kHz
Amplitude (0-p)
1μm






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