How to design a robot which performs spray painting with more accuracy.

1. Presentation
On
User Defined Problem
( U. D. P.)
Robotic Spray
Tolani Foundation Gandhidham Polytechnic

2. Robotic Spray Painter
With Infinite Axis
Group Members :-
Name Enrollment No
Rijwani Tarun K. - 136530319052
Soni Umesh S. - 136530319055
Soya Dhananjay K. - 136530319057
Dalwani Tushar A. - 136530319061

3. Contents
 Introduction
 Why We Have Selected This Project !!
 Part List
 Cost Estimation
 Working Principle
 Working ( Mechanism )
 Applications
 Advantages
 Future Expansion
 Future Work

4. Introduction
 What is Spray Painting ?
Spray painting is
a painting technique where a
device sprays a coating
(paint, ink, varnish, etc.)
through the air onto a
surface. The most common
types employ compressed
gas usually air to atomize
and direct the paint particles.

5.  What Is Robotic Spray
Painting?
Robotic Spray Painting Is The
Process in Which Spray Painting is done
by Robots or Robotic Arm to reduce the
human effort and to increase accuracy.
Widely, Robotic Spray Painting is used
in industries such as Automobile
Industries, Fabrication Industries, Pipe
Industries, etc.
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6.  About Our Robotic Spray Painter
Generally Robotic Spray Painters have finite distance
in axis, but we have modified this to infinite distance in
axis, through which it can paint long surfaces and large
objects.
Our Robotic Spray Painter can move from one place to
another very easily as we have provided 4 – wheel
drive mechanism.
Our Robot has zero turning radius.
Our Entire Robot Can be Controlled Through a 12ch
Remote Control System, through which it can be
accessed easily.
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7. Why We have Selected This Project
• As there is a large scope of spray painting in now a days
and coming future.
• Robotic Spray Painters can be used for indoor and
outdoor painting.
• Industrial Robotic Spray Painters are used to increase the
efficiency and accuracy.
• There is a major dis-advantage of Industrial spray
painters, that their arms can be extended upto a finite
distance in axis , which we tried to remove in our project by
Making a robot to move upto infinite distance.

8. Part ListName Of Part No of Part
Spray Gun 1
G. I. Sheet -
Wheels 4
Caster Wheels 2
R. C. System 1
Rotary Table 1
Geared Motor 11
Bearings 7
Clamps 11
Electromagnet 1
Acrylic Sheet -
Transformer 1
Shaft 2
A/C motor 1
Centrifugal Compressor 1

9. Spray Gun

10. Wheels Johnson geared motor

11. Motor Controller L293D DPDT Switch

12. Toggle Switch Clamp

13. Cost Estimation
Name Of Part1 No of Part Cost (in Rs.)
Spray Gun 1 180
G. I. Sheet 2*1 ft. 80
Wheels 4 200
Caster Wheels 2 70
R. C. System 1 1200
Rotary Table 1 50
Geared Motor 11 3960
Bearings 7 280
Clamps 11 350
Electromagnet 1 700
Acrylic Sheet 2*4 ft. 1300
Transformer 1 350
Shaft 2 50
A/C motor 1 850
Compressor 1 250
Other Expenses N. A. 3000
Total
Project
Cost
Rs
13,000 /-
(Approx)

14. Working Principle
 What is working principle of Spray Painting ?
This process occurs when paint is applied to an object through the use of an air-
pressurized spray gun. The air gun has a nozzle, paint basin, and air compressor. When
the trigger is pressed the paint mixes with the compressed air stream and is released in
a fine spray.
 Working principle of Robotic Spray Painting ?
In Robotic Spray Painting Above Process is done using robotic arm, through which good
accuracy is obtained and it is fully automatic process

15. W
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16. Working ( mechanisms )
 Our robot can spray paint in 4 Axis.
 For x & y Axis it has 4-Wheel drive mechanism, which have no limit of distance like
usual industrial spray painters.
 For z Axis it have Robotic arms, which can spray paint upto 2 metres of height.
 Our robot also have a Rotary table, which can rotate its arms.
 Our Robot consist in-built air compressor for spray Painting. (32,000 R. P. M. Motor)
 Spray Paint Gun can paint horizontally, vertically & continuously at a point.
 Our robot is controlled wirelessly through 12 channel R. F. controller.

17. Applications
Spray Painting Methods are used almost everywhere.
Paint is applied such as :
 Interiors and Exteriors of residential , commercial,
industrial and farm buildings.
 Industrial and security walls.
 Refinishing Projects
 Manufacturing
 Graffiti
Painting Is Particularly economical for rough and irregular
surfaces such as structural steel, metal decking, and
concrete products .

18. Advantages
1) Our Robotic Spray Painter has infinite Axis, as
it can be used for painting long surfaces and
large objects.
2) It can be controlled through Remote.
3) It gives high accuracy.
4) It can be used for domestic use also.
5) Robotic Spray Painting Is a speedy painting
process.
6) It gives a good accessibility.
7) It Paints evenly on the surface

19. Future Expansion
 As our robot works on the principle of robotic arm, by replacing
its spray gun with electromagnet it can also be used as robotic
arm to lift objects and transfer it to other place.
 By adding battery in robot, the requirement of A.C. supply can
be avoided.
 By adding micro-processor robot can also be programmed to
paint specific object or area automatically.
 Our robot can also be customized for electrostatic spray
painting.

21. Future Work
• Current Status
Currently, we have gathered 80% of parts required to complete our project.
• Work to be done
Gathering other required parts and assembling the Robotic Spray Painter
To complete all the electrical wiring of the project along with setting up R.F.
controller with the Robot.