Introduction to Microfactory

1. A
Seminar on
Microfactory and Micro Machine
Tools
Presented by
Todkar Mahesh S.
M.Tech-I
Manufacturing Engineering
Under the Guidance of
Mr. V. Vasu

2. Microfactory and Micro Machine Tools
Introduction:
• What is Micro?
• Why Micro Machine Tools and Microfactory?
• Microfactory:
Downsized or Miniature manufacturing systems

3. Microfactory and Micro Machine Tools
Microfactory:
• Proposed by,
MEL, Japan, in 1990.
• Composed of,
Machining area &
assembly area.
• Area required,
500mm X 700mm.

4. Microfactory and Micro Machine Tools
Features of Microfactory:
• Decreased driving energies
• Decreased inertial forces
• Flexibility in manufacturing
• Fine positioning accuracy and smooth movement
• Precision manufacturing
• Eco and User friendly

5. Microfactory and Micro Machine Tools
Micro-lathe:
• 1st Micro-lathe developed
in 1996 by MEL, Japan.
• Specifications,
l= 32 mm, w= 25 mm
h= 30.5 mm, W= 100 gms.
P= 1.5 W, N=10000 rpm.
• Accuracy, 1.5-2.5 μm
• Min. dia. achieved, 60 μm

6. Microfactory and Micro Machine Tools
Micro-milling machine:
• Specifications,
l= 170 mm, w= 170 mm
h= 102 mm.
P= 36 W, N=15600 rpm.
• End mill of 4 mm shank dia. And
end mill cutter dia. is 100 μm

7. Microfactory and Micro Machine Tools
End mill cutter:

8. Microfactory and Micro Machine Tools
Micro-press machine:
• Specifications,
l= 111 mm, w= 66 mm
h= 170 mm, P= 100 W,
AC servo motor.
Press load, N=3 kN.
• 60 strokes per min.

9. Microfactory and Micro Machine Tools
Micro transfer arm:
• Specifications,
h= 200 mm
3 DC servo motors,
for rotation & expansion
of arm and 3rd for
end-effector.
• Work within circle of
200 mm with accuracy of 20 μm.

10. Microfactory and Micro Machine Tools
Two-fingered Micro hand:
• Specifications,
OD= 48 mm, h= 65 mm
Two 50 mm long fingers
• Resolution of finger
is <= 1 μm
• Can work in rang of
100 X 100 X 30 μm
• Max. controllable size,
200 μm

11. Microfactory and Micro Machine Tools
Revised Micro Machine Tools:
1. Revised Micro-lathe with NC:

12. Microfactory and Micro Machine Tools
Revised Micro Machine Tools:
1. Revised Micro-milling machine with NC:

13. Microfactory and Micro Machine Tools
Research and Development:
• Japanese Mechanical Engineering Laboratory (MEL,
Japan);
• Desk-Top Factory study group in Okaya (Okaya,
Japan);
• Micro Machine Center (MMC, Japan);
• University of Tokyo (Japan);
• Danish Micro-Factory project consortium;
• Fraunhofer-Institute for Production Automation
(IPA, Germany);
• Tampere University of Technology (Finland); etc.

14. Microfactory and Micro Machine Tools
Currently used Micro Machine Tools:
• Micro-lathe
• Micro metal forming Machine
• Micro imprinting device
• Desk-top EDM machine, in AGIE Switzerland,
• Micro ECM machine
• Desk-top multi-process machine
• 5-axis micro milling machine

15. Microfactory and Micro Machine Tools
Advantages:
• Improving space utilization factor,
• Reducing the price and energy consumption,
• Facility investment,
• Light weight of facilities
• High accuracy machining,
• Eco and User friendly,
• Reduction in Size of mechanical parts.
• Improved production rate,
• Precision of machinery.

16. Microfactory and Micro Machine Tools
Disadvantages:
• Difficult to manufacture the micro machine tool
parts and components,
• Requirement of special working environments,
• Huge cost involved
• Requirement of number of miniature CCD cameras
to monitor the operation in process,
• Problems associated during handling of micro parts

17. Microfactory and Micro Machine Tools
Conclusion:
• Saves Space, Power and Material.
• Trend of miniaturizing the manufacturing machines
and systems
• Stimulus to the design of entirely new production
systems in the future.

18. Microfactory and Micro Machine Tools
References:
Journal Names:
• Development of desktop machining Microfactory
• Microfactory and Micro Machine Tools
• Micro-forming and miniature manufacturing systems—
development needs and perspectives
• Micro Engineering

19. Thank
you...