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John Robertson
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The Rand Cam Engine
Saturday, 10 January 2009
Second Generation Cam
Mood:  caffeinated
Topic: Cam

This is a rough draft of the the second generation cam illustrating how the transition area was not enough.

There are a number of mathematical areas that have to be geometrically proven.  It is a given that there is a double helix spiral.  But there is another geometric feature that has to be proven.  On top of that there is two other geometric features on top of that.  All of a sudden we are getting into multi dimensional problems.

When I asked Jim how do you verify if the program works?  He said all you have to do is put the two cams together and see if there is any gaps.  I knew it was geometrically correct because I never failed to provide my high school geometry teacher the correct proof of any challenge geometry problem.  I thought that was worth at least an A...but all he gave me was a B....   :)

 


Posted by sharpshooter6543210 at 7:08 AM PST
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Friday, 9 January 2009
ProEngineer
Mood:  a-ok
Topic: Cam

Shopping around for CAD/CAM/CAE software.  I was impressed on how ProEngineer was able to model the original cam profile.  I may do a simulation on the infinite acceleration but we already know that this version did not work.

 

 


Posted by sharpshooter6543210 at 4:46 PM PST
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