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High speed Micro machining center
Varnica Precision Pvt. Ltd., Dhanbad (JH)
A company under Faculty Entrepreneurship Policy of
Indian Institute of Technology (ISM) DhanbadIIT (ISM)
HIGH SPEED MICRO MACHINING CENTER
Key features of Model V60 Vibration proof granite structure
XYZ motorized liner stages
1. Precision lead screw drive2. Accuracy: 2.5 m3. Resolution: 100 nm4. Travel: XYZ- 150 mm each5. Axial load capacity 150 N each axes
High speed spindle
1. Max spindle speed: 60,000 rpm2. High torque (0.24Nm)3. Pneumatic tool change4. Liquid cooled
Applications Micro/macro milling
Micro drilling
Microscope 220X magnification
Micro turning
Varnica Precision Pvt. ltd., Dhanbad (JH)
CAD Model
2.75e7
2.45e7
2.14e7
1.84e7
1.53e7
1.22e7
9.18e6
6.12e6
3.06e6
0.0010
Equivalent stress (Pa)
Stress free design
Maximum distortion found in few nano-meter range
Advanced features Vibration resistant rigid table support
Graphical user interface for HSM
Ability to machine difficult-to-machine materials (High
strength steels, Titanium and Nickel based super alloys)
Quality surface finish (Ra ~ 10 nm)
Industrial applications Preparation of micro features and micro grooves
Microfluidic application
MEMS based devices
Producing miniaturized components
Suitable for biomedical, aerospace and electronics
industries
Varnica Precision Pvt. ltd., Dhanbad (JH)
0
1000
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3000
4000
5000
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Fre
qu
ency
(H
z)
Mode No.
108
61
34
19
11
6
3
2
1250 375 500 625 750 875 1000
Am
pli
tud
e (n
m)
Frequency (Hz)
Resonant Frequencies
Low amplitude of vibration
HIGH SPEED MICRO MACHINING CENTER
MACHINE STRUCTURE FULLY ASSEMBLED MACHINE
20 m
0 3D image
0.0 0.2 0.4 0.6 0.8 mm
µm
9.328
-5.0210
Parameters Value Unit
Length 0.852 mm
2D profile
0.0 0.2 0.4 0.6 0.8 mm
mm
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
µm
0
5
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NM
100 µm
Micro pillars fabrication
3D image of conical hole size 100 micron and depth 25
micron
Micro dimples over Titanium alloy
Varnica Precision Pvt. ltd., Dhanbad (JH)
Contact
Dr. Vivek BajpaiAssistant ProfessorDept. of Mech. Engg.IIT (ISM) Dhanbad (INDIA)Email: [email protected] page: https://www.iitism.ac.in/~vivek/
Mrs. Veenus BajpaiDirectorVarnica Precision Pvt. Ltd.Dhanbad (JH) India, 826004
3D Surface roughness, measured in Zygo Newview 9000
Micro hole with 200 µm drill bitMicro pillars
FEATURED DEVELOPED
Sa 8.957 nmSq 24.420 nm
Micro dimples with pillar in center
