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engineer-mechanical:inventor-gyroscope [2017/12/01 22:18] (current)
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 +=== How to use a Gyroscope ===
 +  * {{engineer-mechanical:​inventor-gyroscope:​gyroscope.jpg|Figure 1-0 How to use a Gyroscope|link=http://​www.gyroscopes.org/​showfull.asp?​imagename=6.jpg}}
 +  * {{engineer-mechanical:​inventor-gyroscope:​originalgyroscope1.png|Figure 2-0 TEDCO Original Gyroscope Directions page 1 of 2}}
 +  * {{engineer-mechanical:​inventor-gyroscope:​originalgyroscope2.png|Figure 3-0 TEDCO Original Gyroscope Directions page 2 of 2}}
 +  * {{engineer-mechanical:​inventor-gyroscope:​gyroscopeworking.gif|Figure 4-0 Operating a TEDCO Original Gyroscope}}
 +  * [[http://​video.mit.edu/​watch/​2003-gyroscopes-13463/​|MIT Gyroscopes]]
 +<​html>​
 +<iframe width="​640"​ height="​360"​ src="​http://​video.mit.edu/​embed/​13463/"​ frameborder="​0"></​iframe>​
 +</​html>​
 +
 +<​HTML><​iframe width="​560"​ height="​315"​ src="​https://​www.youtube.com/​embed/​cquvA_IpEsA"​ frameborder="​0"​ allowfullscreen></​iframe></​HTML>​
 +
 +=== Gyroscope Reverse Engineering ===
 +  * {{engineer-mechanical:​inventor-gyroscope:​gyroscopeweight.gif|Figure 4-0 Gyroscope Weight}}
 +    * Gyroscope Wheel = 46.2 grams (material zinc)
 +    * Both gyroscope rings = 23.1 grams
 +
 +=== Creating a Gyroscope using Autodesk Inventor ===
 +  * [[http://​www.amazon.com/​Tedco-Original-Gyroscope-Boxed/​dp/​B000JCQN3C/​ref=pd_sim_t_3?​ie=UTF8&​refRID=0FK1KHQ15XR4TM1V1GA9|Gyroscope]] by [[http://​www.tedcotoys.com/​c/​gyroscopes|Tedco Toys]]
 +    * {{engineer-mechanical:​inventor-gyroscope:​td14thp520.png|Figure 1-0 Gyroscope from Technical Drawing with Engineering Graphics, 14th Edition by Giesecke, Mitchell, Spencer, Hill, Dygdon, Novak & Lockhart, p. 520}}
 +    * {{engineer-mechanical:​inventor-gyroscope:​td14thp521.png|Figure 2-0 Gyroscope Parts from Technical Drawing with Engineering Graphics, 14th Edition by Giesecke, Mitchell, Spencer, Hill, Dygdon, Novak & Lockhart, p. 521}}
 +
 +== Base ==
 +  * Using Autodesk Inventor, create the following 2D Part sketch.
 +    * {{engineer-mechanical:​inventor-gyroscope:​td14thp521-base.png|Figure 3-0 Gyroscope Base Dimensions}}
 +  * Use 3D Model > Revolve to convert the base profile into a 3D part
 +  * Apply a fillet radius of 0.02" to the two edges on the top of the gyroscope base
 +
 +== Bottom Peg ==
 +    * {{engineer-mechanical:​inventor-gyroscope:​td14thp521-bottompeg.png|Figure 4-0 Gyroscope Bottom Peg}}
 +
 +== Top Peg ==
 +    * {{engineer-mechanical:​inventor-gyroscope:​td14thp521-toppeg.png|Figure 5-0 Gyroscope Top Peg}}
 +
 +== Center Post ==
 +  * Step 1 - create a circle with diameter 1.0"
 +  * Step 2 - symmetric extrude a length of 2.25"
 +  * Step 3 - at one end of the post, create a new sketch and draw a circle with diameter of 0.05"
 +  * Step 4 - extrude the circle a length of 0.125"
 +  * Step 5 - either mirror the post end or recreate using steps 3 and 4 on the opposite end of the post.
 +    * {{engineer-mechanical:​inventor-gyroscope:​td14thp521-centerpost2.png|Figure 6-0 Gyroscope Center Post}}
 +  * Step 6 - create the pull string hole (diameter 0.063"​) at 0.25" from either end of the center post
 +  * Step 7 - apply a 0.02" radius fillet to both ends of the post
 +    * {{engineer-mechanical:​inventor-gyroscope:​td14thp521-centerpost.png|Figure 6-0 Gyroscope Center Post with Pull String Hole}}
 +
 +== Inner Ring ==
 +    * {{engineer-mechanical:​inventor-gyroscope:​td14thp521-innerring.png|Figure 7-0 Gyroscope Inner Ring}}
 +
 +== Outer Ring ==
 +  * Autodesk Inventor procedure to create the gyroscope outer ring part
 +  * Step 1: create a 2D sketch on XZ plane of the ring centerline, diameter Ø = 2.65". Then finish sketch.
 +  * Step 2: create another 2D sketch on the XY plane. Then project the geometry of the Ø = 2.65" circle.
 +  * Step 3: create a circle to represent the ring cross section, Ø = 0.125"​. Then finish sketch.
 +  * Step 4: Finally use <​b>​Sweep</​b>​ command to complete the outer ring
 +    * {{engineer-mechanical:​inventor-gyroscope:​td14thp521-outerring.png|Figure 8-0 Sweep - Gyroscope Outer Ring}}
 +  * Procedure Video
 +    * {{engineer-mechanical:​inventor-gyroscope:​gyroscoperingouter.gif|Figure 9-0 Gyroscope Outer Ring}}
 +
 +== Wheel ==
 +  * Complete Gyroscope Wheel. Following is a discussion on how to draw this gyroscope wheel using Autodesk Inventor.
 +  * {{engineer-mechanical:​inventor-gyroscope:​td14thp521-wheelfinish.png|Figure 10-0 Final Gyroscope Wheel}}
 +  * Step 1 - draw the wheel profile
 +    * {{engineer-mechanical:​inventor-gyroscope:​td14thp521-wheelprofile.png|Figure 10-0 Gyroscope Wheel Profile}}
 +  * Step 2 - revolve the wheel profile
 +    * {{engineer-mechanical:​inventor-gyroscope:​td14thp521-wheelrevolve.png|Figure 11-0 Gyroscope Wheel Revolved}}
 +  * Step 3 - create a new sketch on the wheel face, draw the inner web cut triangle. Finish sketch and then perform an extrude cut.
 +    * {{engineer-mechanical:​inventor-gyroscope:​td14thp521-wheelwebcut.png|Figure 12-0 Gyroscope Wheel Web Cut}}
 +  * Step 4 - apply a fillet to the web cut
 +    * {{engineer-mechanical:​inventor-gyroscope:​td14thp521-wheelwebcutradius.png|Figure 13-0 Gyroscope Wheel Fillet on Web Cut}}
 +  * Step 5 - copy the fillet to the rest of the wheel using the circular pattern.
 +    * {{engineer-mechanical:​inventor-gyroscope:​td14thp521-wheelcirpattern.png|Figure 14-0 Gyroscope Wheel Circular Pattern}}
 +  * Step 6 - apply a fillet on the top and bottom of the web cut.
 +    * {{engineer-mechanical:​inventor-gyroscope:​td14thp521-wheelwebcutfillet.png|Figure 15-0 Gyroscope Wheel Fillet on Top and Bottom of Web Cut}}
 +  * Step 7 - Same as before, copy the fillet to the rest of the wheel using the circular pattern.
 +    * {{engineer-mechanical:​inventor-gyroscope:​td14thp521-wheelwebcutfilletcirpattern.png|Figure 16-0 Circular Patter of Gyroscope Wheel Fillet on Top and Bottom of Web Cut}}
 +  * Step 8 - apply a fillet to the rim of the wheel.
 +    * {{engineer-mechanical:​inventor-gyroscope:​td14thp521-wheelrimfillet.png|Figure 17-0 Gyroscope Wheel Fillet on Rim}}
 +  * Step 9 - insert a hole for the center rod
 +    * {{engineer-mechanical:​inventor-gyroscope:​td14thp521-wheelhole.png|Figure 18-0 Gyroscope Wheel Hole}}
 +  * Step 10 - apply a chamfer to the top and bottom of the hub using an angle of 17° and distance 0.066"
 +    * {{engineer-mechanical:​inventor-gyroscope:​td14thp521-chamfer.png|Figure 19-0 Gyroscope Wheel Chamfer}}
 +  * Step 11 - apply a 0.02" fillet at the wheel hubs
 +    * {{engineer-mechanical:​inventor-gyroscope:​td14thp521-wheelhubfillet.png|Figure 19-0 Gyroscope Wheel Chamfer}}
 +  * Video showing all the steps to create the gyroscope wheel.
 +
 +  * <​HTML><​iframe width="​560"​ height="​315"​ src="​https://​www.youtube.com/​watch?​v=ImjzYEalgx8"​ frameborder="​0"​ allowfullscreen></​iframe></​HTML>​
 +
 +== Assembly ==
 +    * {{engineer-mechanical:​inventor-gyroscope:​td14thp521-wheelassembly.png|Figure 20-0 Gyroscope Assembly}}
 +
 +==== Creating Actual Gyroscope ====
 +  * [[https://​www.youtube.com/​watch?​v=gaRY-58a60A|Clickspring:​ Benchtop Gyroscope Part One]] by Make
 +    *  <​HTML><​iframe width="​560"​ height="​315"​ src="​https://​www.youtube.com/​embed/​gaRY-58a60A"​ frameborder="​0"​ allowfullscreen></​iframe></​HTML>​
 +
 +=== References ===
 +  * Technical Drawing with Engineering Graphics, 14th Edition by Giesecke, Mitchell, Spencer, Hill, Dygdon, Novak & Lockhart, p. 520 and 521 ([[http://​jefferyjjensen.com/​secure/​pdf/​Drafting/​TechnicalDrawing14th-Giesecke|secure pdf]])
 +  * Justus Kerney, Sales Manager of [[http://​www.tedcotoys.com|TEDCO Toys Inc]], 800-654-6357 ext 16, [[http://​pinterest.com/​tedcotoysusa/​|pinterest.com/​tedcotoysusa]]. Also can place orders with jane@tedcotoys.com
 +  * [[https://​ia600806.us.archive.org/​32/​items/​TheGyroscope/​Scarborough-TheGyroscope.pdf|The Gyroscope Theory and Applications]] by James B. Scarborough
 +  * An Elementary Treatment of the Theory of Spinning Tops and Gyroscopic Motion by Harold Crabtree ([[http://​jefferyjjensen.com/​secure/​pdf/​Mechanical/​SpinningTopsAndGyroscopeMotion-Crabtree.pdf|secure pdf]])
 +
 +[[Category:​Autodesk|Inventor]]
 +[[Category:​References]]
  
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