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gear runout

Question asked by Brittany Bakan on Nov 17, 2014
Latest reply on Nov 17, 2014 by Don Sundberg

I am trying to model run out on a helical gear.  I want the design to model how we currently hob our gears.  i have no problem sweeping when it is a spur gear but getting it to follow the helical pattern is another story.  at the moment we only have a profile of the space between teeth drawn in the transverse plane, and cannot do a solid sweep with the shape of our profile.   I have attached a picture of what I mean by run out. 

 

basically the tool is spinning and moving down, and the part is spinning.  the tool goes straight in while spinning and cutting and moves down as the part spins to create a cut on the part in a helical manner and then comes straight out at the end of the cut of the good tooth leaving a run out with the radius of the tool. 

 

We want this to be as close to 100% accurate as possible.  The closest we have gotten is by doing it in Inventor and using a shell feature. I NEED TO FIND A WAY TO DO THIS IN SOLIDWORKS!!!

 

 

SAM_0160.JPG

 

Thank you

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