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QuadRacr57
Posts: 5
Registered: ‎04-20-2010
Message 1 of 8 (325 Views)

Scaling a Gear Pattern

325 Views, 7 Replies
04-20-2010 08:33 PM
Hi, I am new to this forum, and am a student at Iowa State University. I have a project due this friday, I am trying to redesign the basic analog clock by using this geneva-wheel assembly, where the small drive would have a second hand attached to it, and the large gear would be the minute hand, I can get the rest from there. But I have this assembly from a previous project, and I want to know if there is anyway I can make the large gear have 60 slots in it (60 minutes in an hour). Is this possible?

Thanks,
Mike
*Dennis Jeffrey
Message 2 of 8 (325 Views)

Re: Scaling a Gear Pattern

04-20-2010 08:52 PM in reply to: QuadRacr57
Inventor version that you used?
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Dennis Jeffrey, Autodesk Inventor Certified Expert

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Member
QuadRacr57
Posts: 5
Registered: ‎04-20-2010
Message 3 of 8 (325 Views)

Re: Scaling a Gear Pattern

04-21-2010 04:04 AM in reply to: QuadRacr57
2010 Educational Version, but you should still be able to open it. Is it not working?
*Dennis Jeffrey
Message 4 of 8 (325 Views)

Re: Scaling a Gear Pattern

04-21-2010 04:15 AM in reply to: QuadRacr57
I'm currently running 2011 which you would not be able to open.
--
Dennis Jeffrey, Autodesk Inventor Certified Expert

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Member
QuadRacr57
Posts: 5
Registered: ‎04-20-2010
Message 5 of 8 (325 Views)

Re: Scaling a Gear Pattern

04-21-2010 04:35 AM in reply to: QuadRacr57
Hmm, is there any way to save it as a previous version? I would think that Autodesk would include the capability to share parts between versions...
*Dennis Jeffrey
Message 6 of 8 (325 Views)

Re: Scaling a Gear Pattern

04-21-2010 04:41 AM in reply to: QuadRacr57
Not possible in Inventor, Solidworks, Catia, Solid Edge, Unigraphics or
any other feature based modeler. Unless someone else can help, you will
have to wait until I'm running IV2010.
--
Dennis Jeffrey, Autodesk Inventor Certified Expert

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http://teknigroup.com/CI-Subscribe-Login.asp
*Rowland
Message 7 of 8 (325 Views)

Re: Scaling a Gear Pattern

04-21-2010 05:43 AM in reply to: QuadRacr57
the Inventor forum includes topics from many versions of Inventor. It's
just common for people to post which version they are using when
creating a post here (OK, they should be posting the version but most of
the time omit that info) so that if/when someone downloads another
persons Inventor files they are not wasting their time just to discover
they do not have the same or newer versions of Inventor.

We are still on 2009 for example, I will not be able to open your files.

The only way you can share files with older versions of Inventor (as
well as other solid modeling programs) are to post stp or iges file
types for example - only problem is the history will be gone.
**Master
BMiller63
Posts: 2,533
Registered: ‎01-28-2009
Message 8 of 8 (325 Views)

Re: Scaling a Gear Pattern

04-21-2010 06:43 AM in reply to: QuadRacr57
Edit the sketch of the gear/wheel and use the sketch dims to "scale" the original feature, then edit the pattern to change the number of slots. (see attached)

Or study the way this part was created and just create your own from scratch. I'd probably start with a circle, extrude it, then add a slot cut, then add other features, then pattern them, etc.

Post back with questions, and files if you get stuck

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