Thursday Week 9: Simple Mechanics Theory and...
Transcript of Thursday Week 9: Simple Mechanics Theory and...
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Thursday Week 9: Simple Mechanics
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Theory and Practice of Tangible User Interfaces
Simple MechanicsTranslating rotational motion into other types of motion
week 09
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Gears
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3 to 1 ratio
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3 to 1 ratio
1/3 of the speed
3 times the torque
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Bevel gear
Shifts the axis of motion by 90 degrees.
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Worm gear
Shifts the axis of motion by 90 degrees. High gear ratios.
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Rack-and-pinion
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Cams
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Linkages
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http://www.tigoe.net/pcomp/machines2.shtmlhttp://images.rermag.com/files/148/JLG_ProFit_Scissor.jpg
Scissor linkages
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The Piston (Rod and Crank)
Converts rotary motion to back-and-forth linear motion.
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CluckCoo
Cuckoo Clock
In-Class Exercise
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1. Create the door 2. Create the bird
3. Put them together
In Class Exercise
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http://www.tigoe.net/pcomp/machines2.shtml
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1. Create the door 2. Create the bird
3. Put them together
In Class Exercise
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1. Create the door 2. Create the bird
3. Put them together
In Class Exercise
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Once you get the mechanics to work, try to control it from Arduino.
Explore and get the mechanics to work first before trying to make it work with your DC motors or servo motors.
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HomeworkPost descriptions and photos (and/or video) of your Cuckoo Clock
mechanics on the course website.
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Thanks!
Simple MechanicsSlide Number 2Slide Number 3GearsSlide Number 5Slide Number 6Slide Number 7Slide Number 8Slide Number 9CamsSlide Number 11Slide Number 12Slide Number 13Slide Number 14LinkagesSlide Number 16Slide Number 17Slide Number 18In-Class Exercise1. Create the door 2. Create the bird3. Put them together Slide Number 21Slide Number 221. Create the door 2. Create the bird3. Put them together Slide Number 241. Create the door 2. Create the bird3. Put them together Slide Number 26HomeworkThanks!