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iBot Club

iBot Club. Session : 1. What do you think a Robot is?. Reality / What humans have achieved till now:. What we do at IIT Madras. Types of Robots. Aerial Robots. Humanoid. Biology Inspired. Industrial Robots. Robots. …………. Underwater Robots. .....……. Surveillance robot.

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iBot Club

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  1. iBot Club Session : 1

  2. What do you think a Robot is?

  3. Reality / What humans have achieved till now:

  4. What we do at IIT Madras

  5. Types of Robots Aerial Robots Humanoid Biology Inspired Industrial Robots Robots …………. Underwater Robots .....……. Surveillance robot

  6. What is common in most of them? • Electronics?? (A little bit..but not exactly same) • Mechanical Structure/Design?? (Not at all) • Basic Set of Tools Required?? Ya that is…

  7. Tools Hand Tools Power Tools

  8. Mechanical Purposes

  9. Hand Tools • Hacksaw, Spanner, Plier, Hammer, Chisel, File, Nut Driver, Screw Driver

  10. Power Tools • Jigsaw Used for cutting wood, metal sheets. Safety: • Proper blade for the material. • Keep the lower surface in contact with the job • While making a curved cut, steer it, not force. • Clamp the job firmly.

  11. Drill Used for boring holes. Safety: • Wear glasses, switch off while changing bits, clamp the job firmly. • Use proper drill bit depending on the material you are using

  12. Angle Grinder/Cutter Used for grinding/cutting Safety?? • Wear glasses while using. • Check for the protection cover. • Switch off the machine while changing blades.

  13. (Safety contd..) • Make sure about others safety also. • Use grinding blade for grinding and cutting blade for cutting(Don’t be lazy). • The job should also be held properly, preferably clamped or held firmly in a vice.

  14. Heat Gun Emits a hot air stream. Temp Range: 50-600°C Used for shrinking ‘heat shrink tubes’, bending and welding plastic, softening adhesives.

  15. Safety: • Wear safety goggles to protect your eyes. • If you’re wearing a long-sleeved shirt, make sure the cuffs are buttoned so they can’t flap around in front on the heat gun. • Make sure there is no debris, such as wood shavings or sawdust on the surface you’re working on. • After you have finished using it, keep it safely for cooling.

  16. Planer Tool Used to flatten, reduce the thickness and impart a smooth surface to wood. • Chop Saw For cutting, cutting at a particular angle.

  17. Know Your KIT!!

  18. Tomorrow’s Session

  19. Motor • Electromechanical devices which converts EE into ME • Two terminals • Can rotate in both directions • Main Specifications: • RPM (Rotations per minute) • Torque (kgcm) • Voltage (V)

  20. Motor Parts Gear Box • Shaft: It is where we attach wheel or an other mechanism • Gearbox: This is to reduce the basic rpm of the motor to the desired one. • Motor: High RPM motor which is then reduced using gearbox. Motor Shaft

  21. Fixing Motor To Wheel

  22. How a DPDT Works

  23. Clamping Motor-Wheel To Chasis.

  24. Clamping Motor-Wheel To Chasis.

  25. Fixing of Castor Wheel

  26. How Does it Look Like

  27. Why we are using 3 wheels and not 4? • To define a plane uniquely, you require atleast 3 points, but if we have 4 points we need to make sure that all the four points lie in a plane. • Hence, 3 is the preferred choice. We need suspensions incase of 4 wheels

  28. Battery and Its Placement on the Bot • Lead- Acid Batteries are quite heavy. (500 gms) • Need to make sure that Center of Gravity remains as low as possible.

  29. Differential Drive System :

  30. Differential Drive System :

  31. Differential Drive System :

  32. Other Drive Systems: OmniWheel Drive Ackermann Steering

  33. Reference Websites: www.howstuffworks.com www.societyforrobots.com www.robokits.com www.thinklabs.com www.rhydolabz.com www.sparkfun.com www.digikey.in www.nexrobotics.com www.frugal-labs.com

  34. Make your Robot Tomorrow : 9 a.m.Pampa and Mahanadi StudentsSunday : 9 a.m.Sharav Students (in CFI) THANK YOU!

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