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16-Pearl
Aug 1, 2023 2:05 PM UTC
Question

Creo Parametric Community Challenge August 2023 - Archimedes Screw

DaveMartin_0-1690898510166.jpeg

 

The Archimedes screw is a water pump that allows water to be raised from a lower to higher elevation. It consists of a central shaft with a helical surface, which itself sits within a cylindrical channel. Your challenge, should you choose to accept it, is as follows:

  • Design an assembly for the Archimedes screw capable of lifting water a vertical height of 1.5 meters. The assembly should contain at least one mechanism connection. Your Archimedes screw does not have to resemble those in any of the images here.
  • It can be either hand-operated or motor-driven. (The motor can be represented by a simple box part model.)
  • Create a rendered image of your model.
  • (Optional) Create a Kinematic Analysis using the Mechanism Design Extension (MDX) and output a movie of the playback. Note that every license of Creo Parametric comes with MDX.
  • (Optional) Create a rendered animation of the motion using the Design Animation Option (DAO). Every license of Creo Parametric comes with DAO.

In your submission, please indicate the version of Creo Parametric that you used to create your model.

 

This challenge was inspired by an Archimedes screw on display at the Pacific Science Center in Seattle:

DaveMartin_1-1690898510194.jpeg

 

DaveMartin_2-1690898510218.jpeg

 

           

DaveMartin_3-1690898510242.jpeg

 

Please submit a zip file of your submission as a reply to this post. If you choose to submit an assembly file only (no rendered image, rendered animation, or kinematic analysis movie), don’t forget to embed the components.

The submission period will end on Friday, September 8th.

Find the PTC Creo Community Challenge Guidelines here!

 

26 replies

ScottMorris
17-Peridot
Aug 7, 2023 3:53 PM UTC

Inspiration...

ascrewfeeder.png

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16-Pearl
Aug 14, 2023 3:56 PM UTC

Interesting. Can you share your files?

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kdirth
21-Topaz I
Aug 8, 2023 3:41 PM UTC

I am going to be brave and be the first to post a model.  Whil not quite complete, (no hardware and other finishing touches) here is what I created:

kdirth_0-1691509177389.png

Creo 7.0 files attached.

 

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There is always more to learn.
16-Pearl
Aug 14, 2023 3:57 PM UTC

Congratulations! You are the first person to submit a model of a solution!

 

 

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Michael
16-Pearl
Aug 14, 2023 3:16 PM UTC

render.pngdrawing.png

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Michael Bourque
16-Pearl
Sep 12, 2023 8:52 PM UTC

Hi, Michael. Do you want to post your files so you can be considered along with the rest of the submissions?

 

Thanks,

Dave

 

 

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6-Contributor
Aug 17, 2023 2:01 PM UTC

Still need to figure out why the renderer adds the speckles...

archimedes.jpg

Real time rendering works fine

archimedes_screenshot.png

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Patriot_1776
22-Sapphire II
Aug 17, 2023 7:10 PM UTC

I'd be more worried about the fact that rendering it either way put a big bend in the middle of the screw....🤣

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6-Contributor
Aug 18, 2023 11:37 AM UTC

I consider this correct light breaking at the surface of the water 😁

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4-Participant
Aug 18, 2023 7:26 PM UTC
Tejas_Mahadik
14-Alexandrite
Aug 19, 2023 11:37 AM UTC

Dear PTC Community,


Hope you are doing well !
Thank you for arranging this activity, Here is my attempt to complete this challenge.
It's kind of "Eureka" moment for me to post the solution. (I don't literally mean 😁 like what Archimedes said to world by uttering "Eureka" back in ancient time) 
This design is attempted to complete in basic mechanical design manner, which is followed in industry, can be considered as purely a concept design only and it is inspired to use "PTC Creo Parametric" basic and some special modules, ex. AFX/IFX., Render Studio & Mechanism Design/Design Animations. During this design, some machine elements like Bearings, couplings and Motor has been used as step files derived from common platforms like McMaster-Carr  and manufactures online CAD-configurators (for electric motor & bearing) Selection & modeling of auxiliary components, geometry size is for visual purpose only, that does not involve any calculated results (except a 1.5-meter lift height as parameter to consider while modeling) 

Whereas creating rendered video which is posted above was little challenging in the absence of recommended & supported GPU memory. 
Overall assignment in this challenge also gives further task to understand the options used in detail. It was great learning experience.  

Creo Parametric 9.0.4.0 version is used in this activity.

Rendering-1Rendering-1Rendering-2Rendering-2







 

 

screenshot1.pngscreenshot2.png





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Tejas_Mahadik
14-Alexandrite
Aug 19, 2023 11:40 AM UTC

Posting CAD files and one non-rendered animation for reference in this post  

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16-Pearl
Sep 7, 2023 6:33 PM UTC

Everyone, in light of end of summer vacations, Labor Day, and kids going back to school, we have decided to extend the contest through Thursday, September 14th. If you still want in on the contest, please take a couple hours to create a submission and post it here.

 

Good luck and happy modeling!

 

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4-Participant
Sep 8, 2023 4:29 PM UTC

Here is my submission although it is not compete. I used Creo 10. 

 
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kdirth
21-Topaz I
Sep 8, 2023 6:40 PM UTC

Got a screenshot for those of use not lucky enough to work on the latest version of Creo?

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There is always more to learn.
4-Participant
Sep 10, 2023 2:01 PM UTC

xtop_r20ySkoeXp.png

Here is a screenshot.

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6-Contributor
Sep 8, 2023 11:20 PM UTC

I used Creo 8.0 to build this model.

 

-Tom McGuire

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6-Contributor
Sep 14, 2023 4:31 PM UTC