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Help drawing a cutterhead for a dredge

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10-01-2011 07:47 AM

I am trying to draw this cutterhead.  The 3D sketch and helical curve commands have a allowed me to create part of the "arms" with the teeth on them but I can't seem to get them to come up and over the hub in the middle.  Only to the top of it.  Any tips?  Thanks.

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Post 2 of 9

Re: Help drawing a cutterhead for a dredge

10-01-2011 09:29 AM in reply to: rjones0215

Attach your ipt file here.

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Re: Help drawing a cutterhead for a dredge

10-01-2011 11:31 AM in reply to: rjones0215
 
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Re: Help drawing a cutterhead for a dredge

10-01-2011 12:29 PM in reply to: rjones0215

Why did you use Driven rather than Driving dimensions in Sketch10?
I would have used the edge of a Coil surface body rather than the 3D sketch - much easier to control.

I would avoid adaptivity for this design.
Sketch12 is not constrained.

You might start with this document http://home.pct.edu/~jmather/skillsusa%20university.pdf

I suspect I would Thicken a trimmed helical surface.

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Re: Help drawing a cutterhead for a dredge

10-01-2011 06:59 PM in reply to: JDMather

Do you have a picture from side and top?  You have an assembly - do you have a 2D drawing from which it was made?

 

Dredge.png

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Post 6 of 9

Re: Help drawing a cutterhead for a dredge

10-02-2011 11:14 AM in reply to: JDMather

Here is an alternate solution - more information would be needed to get precise representation.

 

Dredge rev1.png

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Post 7 of 9

Re: Help drawing a cutterhead for a dredge

10-03-2011 06:43 AM in reply to: JDMather

Have you made an progress on this?

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Post 8 of 9

Re: Help drawing a cutterhead for a dredge

10-03-2011 08:31 AM in reply to: rjones0215

I had to move to something else but will be back on the cutterhead later this week.  Thanks for your input.  I will be keeping you involved with my progress.  And I'm sure I will have more questions for you.

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Post 9 of 9

Re: Help drawing a cutterhead for a dredge

11-09-2012 11:35 AM in reply to: rjones0215

Mr. Mather,

 

I realize it's been awhile since I submitted my original post about help with cutter head model.  Since then I have made progress in accomplishing a decent model, but I still think there is a better way to create my cutter head.  I'm attaching the file so that you may view it.  Any input or pointers at all would be greatly appreciated.  Also, I am aware that I have a few sketches that are not constrained.  I am still getting acquainted with 3D sketches.  Thanks again for any info.

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