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Spoked Wheel construct

Spoked Wheel construct

Spoked Wheel construct

(OP)
What would be the best way to get an opposing set of 7 spokes into this Hub part?
They would be in alternate postions around the hub; much like the spokes in a bicycle wheel.

I've Mirrored the Revolve using Plane 1 which represents the center of the wheel rim (exists in the Ay)

What to do with the Mirrored body ? I could Insert a Circular Pattern of 14, and Skip ever other one, but the Seed can't be one of them.

TIA

 

RE: Spoked Wheel construct

I don't understand what you mean by "opposing" spokes.  Do you mean they fall between the spokes already shown, but angle back the opposite direction?

What associative relations, if any, need to be in the3 opposing spokes?

Can't you just use an existing plane (or create a new one) and create new sketch geometry for the new set of spokes?

"Art without engineering is dreaming; Engineering without art is calculating."

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RE: Spoked Wheel construct

The trick may be to create this as a multi-body part and as this allows individual bodies to be deleted after the patterns have been created.

After the mirror of the revolve, do a 2 body pattern of 360/14 degrees.  Delete the first body.  Do your pattern of 7 equally spaced bodies.  Combine everything.

Craig Pretty
Tru-Design Plastics

RE: Spoked Wheel construct

(OP)
Well, after a lot of experimenting, I got the pattern needed.

and...it's very much like cpretty described.

MadMango...the spokes would be "mirrored" and alternating between the ones already Circular Patterned on the right side

So, here's what I ended up doing....

Insert Mirror of Solid Body (from the right side) using Plane 1

Insert Feature Move/Copy
Rotate the (mirrored) Body using the Temporary Axis of the central hub and Rotate by the amount of 360/14 degrees.

Insert Component Pattern> Circular Pattern and using the Rotated Body

Thanks for the help.





 

RE: Spoked Wheel construct

Quote:

....how does one post more than one pic ?
ZIP the files first.

RE: Spoked Wheel construct

One thing about the spokes on a bicycle wheel is that the spokes are not radial but meet the hub at a tangent, half in one direction and half the other. The loading on the spokes is almost all tension. For what you show the loading is a moment on each end.

Peter Stockhausen
Senior Design Analyst (Checker)
Infotech Aerospace Services
www.infotechpr.net

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