Ultrasonic Spindle
More precise and deeper machining can be achieved by Ultrasonic Spindle.
Good news for you, if you are looking for fine and precise machining.
Ultrasonic Spindle can be customized and built in your present machine.
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Transfers the designed vibration to the tool tip.
Shrink Fit is applied to hold the tool tip and steadily drives the vibration.
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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.
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High rotation speed, more than twice higher than the conventional type
Rotation speed of the spindle reaches twice higher than the conventional tools.
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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.
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Fine and high accuracy machining
Ultrasonic Spindle can be applied to hard and fine materials such as ceramics in semiconductor industry.
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.
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
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
→
→
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
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
0°
10°
Step
20μm
10μm
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
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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