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Unread 12-12-2009, 02:08
Rion Atkinson's Avatar
Rion Atkinson Rion Atkinson is offline
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Re: pic: Wheel Idea 1

Quote:
Originally Posted by Pikat View Post
It's kind of hard to tell with the grainy picture, but it appears that you have a fillet all around your spokes and where the spokes contact the hub/rim. These will be nasty to machine, so you might consider increasing the radii of the ones going in the same direction as the axis of rotation of the wheel (the ones that can be cut by a mill bit when the wheel is laying flat), and getting rid of the other ones completely (if this is confusing, just tell me).

Also, how are you CADing the spokes? If you try a circular pattern, you shouldn't end up with spokes that aren't "in sync," as you put it.

Good start, though.
Thanks for the hint. I'll be sure to get rid of those. (I should thought about that..)

I am still learning Solidworks. Using inventor I would have just done a circular pattern. With SolidWorks I still don't know where that is.

Quote:
Originally Posted by rc_cola1323 View Post
Alright,

First off, just a couple of quick questions. Is that made in Solidworks and why is it rendered so small?

Now to some suggestions:

-Are you planning to go "live" axles? If not and are planning to go dead axles, the bore has to be .875 or 1.125 due to the fact you have to press a bearing in there with an ID of 1/2" or 3/8".

-Also the sponsor that does our wheels, they like to buy 4" rod stock. Then pocket out the wheel which their CNC lathe and then take it on mill. After that they come back through and shave it down to 3.875.

Example shown here. When that pic was taken it was 4". So I took it on the lathe the at work and shaved it down.

-How thick is the hub? Since a lot of weight is there.

-How are you planning to attach this to a sprocket (or is it a "Live" wheel). If you are going to attach a sprocket to it. I recommend using a 1.875 bolt pattern which interfaces to all of AndyMark's aluminum sprockets.

-How thick are spokes? I usually make the spokes between 3/16" and 1/4" thick. Also may want to go with spokes like this since this or increase the contact with the hub. Btw that wheel linked is super thick, it could go on a diet.

-Last question, I promise. How heavy is it?

Great start and continuing CAD'n away.

-RC

P.s. If you need further detailed help please send me a PM or IM.
Yes, it was indeed made in SolidWorks. (Which I am finally getting the hang of.) I forgot to change the resolution.. Ill post a link to a bigger one.

Honestly I don't know the difference between "live" and "dead" axles. Could you possibly explain that RC?

On spoke thickness.. Not very thick. I'll probably end up changing the whole spoke design. Right now its still in the design stage.

Weight.. I can't find were SolidWorks says that yet. I'm going to keep looking. But as I said. it's not final yet.

Last edited by Rion Atkinson : 12-12-2009 at 12:12. Reason: typos
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