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Presented By

NITESH P. WANKHADE (12MCD1003)M.TECH (CAD-CAM)

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Learn the definition of a robotic

Understand the evolution of robotics

Advantage and disadvantages of robots

Understand the components necessaryfor a robot to function

Identify various robotic tasks

Seminar Objectives

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Seminar Objectives

Introduce various function of robots indifferent manufacturing environments

Learn the different types of robotsutilized in industry

Introduce various function of robots indifferent manufacturing environments

Role of robotics in industry today

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Robot defined:

“A reprogrammable,multifunctional manipulatordesigned to move material, parts,tools, or specialized devicesthrough various programmed

motions for the performance of avariety of tasks"

Introduction

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Evolution

1961 : First industrial robot, General Motors, New Jersey

1980 : Industrial robots expand into non-automotiveindustries

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Robotic Advantage

Efficiency

Endurance : 24/7

Greater output Consistency

Precision

Repetitive capabilities

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Assembly Handling dangerous

materials Spraying finishes Inspecting parts, produce,

livestock

Cutting and polishingWelding

Robotic Manufacturing Tasks

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Types of Manufacturing Robots

Wash-Down Robot Palletizer

Occubot Robotic Sprayer

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Types of Manufacturing Robots

Food processing – strict hygiene Stacks boxes onto pallets forstorage and shipment

Testing system for car seats Automated paint sprayer

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Articulated Robot

Arm has at least threerotary joints

Used for assemblyoperations

Die casting

Gas welding

Arc welding Spray painting

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Parts of a Robot

Controller Arm

End Effector

Drive

Sensor

6 Degrees of Freedom

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Requirements of Industrial

Robotic Systems Number of Axes

Kinematics

Working Envelope

Payload

Speed

Repeatability

Motion Control

Power Source

Drive

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Cartesian Robot

Axes coincidentwith a Cartesian

coordinator

Pick and place work

Assembly

operations Handling machine

tools

Arc welding

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Cylindrical Robot Axes form a

cylindricalcoordinate system

Assemblyoperations

Handling at

machine tools Spot welding

Handling at diecasting machines

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Polar / Spherical Robot

Axes form a polar coordinate system

Used for handling atmachine tools

Spot welding

Die casting

Gas welding and arcwelding

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SCARA Robot

Two parallel rotary joints to provide

compliance in a plane Used for pick and

 place work 

Assembly operations

Handling machinetools

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Robots in Industry

USA: 171,000+ robots in factories

Only Japan uses more

1 million industrial robots worldwide

90% used in factories

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Robots & Auto Industry

10 years ago : 90% robots bought by auto industry

Today : 50% robots used by auto industry

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Applications

Warehouses

Laboratories

Research Sites

Exploration

Energy Plants

Hospitals

Outer Space

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Robotic Disadvantage

Robots CANNOT:

Be creative

Thinkindependently

Make complicateddecisions

Learn from mistakes Adapt quickly to

changes

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3 Laws of Robotics

A robot may not injure a human being or, throughinaction, allow a human being to come to harm.

A robot must obey orders given it by human beings

except where such orders would conflict with the FirstLaw.

A robot must protect its own existence as long as suchprotection does not conflict with the First or SecondLaw.

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Summary

Robots are based on computer technology

Higher production capacity can be achieved

using robots Higher quality products are manufactured

using robots

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References

http://prime.jsc.nasa.gov/ROV/types.html

http://www.robots.com/

http://www.madehow.com/Volume-2/Industrial-Robot.html

http://www.youtube.com/watch?v=adSYMbPw_oM http://www.cobweb.ecn.purdue.edu/~tchang/doc/download

/cam3rd/Chapter%2015%20Industrial%20robotics.ppt