Go to Post Manual labor experience with engineering training is a powerful combination. - N7UJJ [more]
Home
Go Back   Chief Delphi > Technical > CAD > Inventor
CD-Media   CD-Spy  
portal register members calendar search Today's Posts Mark Forums Read FAQ rules

 
Closed Thread
Thread Tools Rate Thread Display Modes
  #1   Spotlight this post!  
Unread 15-04-2006, 19:47
CraigHickman
 
Posts: n/a
Another ULTIMATE CHALLENGE

hey all-
I had an idea when looking at the other ultimate challenge thread.

Here's the challenge: make a mobius strip in inventor. Preferably rounded, But whatever you end up making will be fine.

So have at it! I'll post later if I end up succeeding!
  #2   Spotlight this post!  
Unread 15-04-2006, 22:23
lukevanoort lukevanoort is offline
in between teams
AKA: Luke Van Oort
no team
 
Join Date: Oct 2005
Rookie Year: 2005
Location: Waterloo, ON, Canada
Posts: 1,873
lukevanoort has a reputation beyond reputelukevanoort has a reputation beyond reputelukevanoort has a reputation beyond reputelukevanoort has a reputation beyond reputelukevanoort has a reputation beyond reputelukevanoort has a reputation beyond reputelukevanoort has a reputation beyond reputelukevanoort has a reputation beyond reputelukevanoort has a reputation beyond reputelukevanoort has a reputation beyond reputelukevanoort has a reputation beyond repute
Send a message via AIM to lukevanoort
Re: Another ULTIMATE CHALLENGE

Quote:
Originally Posted by 114ManualLabor
hey all-
I had an idea when looking at the other ultimate challenge thread.

Here's the challenge: make a mobius strip in inventor. Preferably rounded, But whatever you end up making will be fine.

So have at it! I'll post later if I end up succeeding!
Ouch!
__________________
Team 1219: 2009 - Mentor
Team 587: 2005 - Animator, 2006-2008 - Team Captain
  #3   Spotlight this post!  
Unread 15-04-2006, 22:50
ahecht's Avatar
ahecht ahecht is offline
'Luzer'
AKA: Zan
no team
Team Role: Alumni
 
Join Date: Dec 2001
Rookie Year: 2002
Location: Billerica, MA
Posts: 978
ahecht has a reputation beyond reputeahecht has a reputation beyond reputeahecht has a reputation beyond reputeahecht has a reputation beyond reputeahecht has a reputation beyond reputeahecht has a reputation beyond reputeahecht has a reputation beyond reputeahecht has a reputation beyond reputeahecht has a reputation beyond reputeahecht has a reputation beyond reputeahecht has a reputation beyond repute
Send a message via ICQ to ahecht Send a message via AIM to ahecht Send a message via Yahoo to ahecht
Re: Another ULTIMATE CHALLENGE

I've done it in Pro/Engineer, but I imagine it would be much tougher in Inventor.
__________________
Zan Hecht

Scorekeeper: '05 Championship DaVinci Field/'10 WPI Regional
Co-Founder: WPI-EBOT Educational Robotics Program
Alumnus: WPI/Mass Academy Team #190
Alumnus (and founder): Oakwood Robotics Team #992


"Life is an odd numbered problem the answer isn't in the back of the book." — Anonymous WPI Student
  #4   Spotlight this post!  
Unread 16-04-2006, 08:58
negfrequency's Avatar
negfrequency negfrequency is offline
the guy with the drawings
AKA: Willomatic
FRC #1559 (Devil Tech)
Team Role: Engineer
 
Join Date: Apr 2006
Rookie Year: 2004
Location: New York
Posts: 131
negfrequency is just really nicenegfrequency is just really nicenegfrequency is just really nicenegfrequency is just really nicenegfrequency is just really nice
Send a message via AIM to negfrequency
Re: Another ULTIMATE CHALLENGE

Quote:
Originally Posted by ahecht
I've done it in Pro/Engineer, but I imagine it would be much tougher in Inventor.
No way man! I'm on vacation right now, and as soon as i get back home ill do one in inventor to show you. On the ultimate challenege thread I've already done one, but it wasnt with a circle. In the mean time I'll think about how to do it.....

Ok on an edit of this post, this is how ill probably do it: Make a really large twist, and then using the replace face or even cut command to subtract extra material from it, making it arced and twisted at the same time. meanwhile, usee the rotation to bring the rest of it through the rest of the circle making it a complete loop.
__________________
www.evolved-ideas.net
-KOP CAD parts available for download

You know your me if.....
5) your 91 honda civic dx drives @ warp .000005376, not 60 mph
4) You know what "Bi-directional parametric associativity" is
3) Playing Diabolo does NOT mean you are a level 24 mage.
2) You've discovered you can rearrange the letters in William to spell "I am Will".
1) Your bicycle is 3 times more expensive than your car.

Last edited by negfrequency : 16-04-2006 at 09:07.
  #5   Spotlight this post!  
Unread 16-04-2006, 15:16
EricRobodox's Avatar
EricRobodox EricRobodox is offline
Registered User
AKA: Eric... I think a lot
FRC #0599 (RoboDox)
Team Role: College Student
 
Join Date: Jan 2006
Rookie Year: 2001
Location: Northridge, CA
Posts: 335
EricRobodox has a brilliant futureEricRobodox has a brilliant futureEricRobodox has a brilliant futureEricRobodox has a brilliant futureEricRobodox has a brilliant futureEricRobodox has a brilliant futureEricRobodox has a brilliant futureEricRobodox has a brilliant futureEricRobodox has a brilliant futureEricRobodox has a brilliant futureEricRobodox has a brilliant future
Send a message via AIM to EricRobodox
Re: Another ULTIMATE CHALLENGE

hmmmmm. i wounder where he got that idea...

Quote:
Originally Posted by EricRobodox
i think a harder task is a triangular mobia prism. Like a mobia strip but with a triangluar prisim instead of a sheet of paper.
ahahahah. thats my post from the first thread.
__________________
My other car is being built to go to Mars in 2011.
Bet you aint got one of these...
  #6   Spotlight this post!  
Unread 16-04-2006, 17:38
Unsung FIRST Hero
Ian Mackenzie Ian Mackenzie is offline
Registered User
FRC #3683
Team Role: College Student
 
Join Date: Jun 2001
Rookie Year: 1998
Location: Waterloo, Ontario, Canada
Posts: 111
Ian Mackenzie has a reputation beyond reputeIan Mackenzie has a reputation beyond reputeIan Mackenzie has a reputation beyond reputeIan Mackenzie has a reputation beyond reputeIan Mackenzie has a reputation beyond reputeIan Mackenzie has a reputation beyond reputeIan Mackenzie has a reputation beyond reputeIan Mackenzie has a reputation beyond reputeIan Mackenzie has a reputation beyond reputeIan Mackenzie has a reputation beyond reputeIan Mackenzie has a reputation beyond repute
Re: Another ULTIMATE CHALLENGE

Quote:
i think a harder task is a triangular mobia prism. Like a mobia strip but with a triangluar prisim instead of a sheet of paper.
But that wouldn't really be quite the same, would it? You'd have to twist it by some multiple of 120 degrees, instead of 180 as in the normal Möbius strip...of course, it would still be really cool, as you'd have to go around three times instead of twice to get back to your starting point.
  #7   Spotlight this post!  
Unread 21-04-2006, 14:19
Joel Glidden's Avatar
Joel Glidden Joel Glidden is offline
My heart pumps diesel.
FRC #4293 (Komodo)
Team Role: Engineer
 
Join Date: Apr 2002
Rookie Year: 2001
Location: Highlands Ranch, CO
Posts: 208
Joel Glidden is a glorious beacon of lightJoel Glidden is a glorious beacon of lightJoel Glidden is a glorious beacon of lightJoel Glidden is a glorious beacon of lightJoel Glidden is a glorious beacon of lightJoel Glidden is a glorious beacon of light
Re: Another ULTIMATE CHALLENGE

Quote:
Originally Posted by Ian Mackenzie
But that wouldn't really be quite the same, would it? You'd have to twist it by some multiple of 120 degrees, instead of 180 as in the normal Möbius strip...of course, it would still be really cool, as you'd have to go around three times instead of twice to get back to your starting point.
It was kind of easy in Pro/E.

__________________
-Joel
  #8   Spotlight this post!  
Unread 21-04-2006, 14:40
Andy Baker's Avatar Woodie Flowers Award
Andy Baker Andy Baker is offline
President, AndyMark, Inc.
FRC #3940 (CyberTooth)
Team Role: Engineer
 
Join Date: May 2001
Rookie Year: 1998
Location: Kokomo, Indiana
Posts: 3,422
Andy Baker has a reputation beyond reputeAndy Baker has a reputation beyond reputeAndy Baker has a reputation beyond reputeAndy Baker has a reputation beyond reputeAndy Baker has a reputation beyond reputeAndy Baker has a reputation beyond reputeAndy Baker has a reputation beyond reputeAndy Baker has a reputation beyond reputeAndy Baker has a reputation beyond reputeAndy Baker has a reputation beyond reputeAndy Baker has a reputation beyond repute
Send a message via AIM to Andy Baker
Re: Another ULTIMATE CHALLENGE

How's this?



Andy B.

Last edited by Andy Baker : 22-04-2006 at 10:16.
  #9   Spotlight this post!  
Unread 22-04-2006, 09:50
negfrequency's Avatar
negfrequency negfrequency is offline
the guy with the drawings
AKA: Willomatic
FRC #1559 (Devil Tech)
Team Role: Engineer
 
Join Date: Apr 2006
Rookie Year: 2004
Location: New York
Posts: 131
negfrequency is just really nicenegfrequency is just really nicenegfrequency is just really nicenegfrequency is just really nicenegfrequency is just really nice
Send a message via AIM to negfrequency
Re: Another ULTIMATE CHALLENGE

ok, so how did you do it? and in what system cause that looks pretty well done. Both of you.
__________________
www.evolved-ideas.net
-KOP CAD parts available for download

You know your me if.....
5) your 91 honda civic dx drives @ warp .000005376, not 60 mph
4) You know what "Bi-directional parametric associativity" is
3) Playing Diabolo does NOT mean you are a level 24 mage.
2) You've discovered you can rearrange the letters in William to spell "I am Will".
1) Your bicycle is 3 times more expensive than your car.
  #10   Spotlight this post!  
Unread 22-04-2006, 14:24
Joel Glidden's Avatar
Joel Glidden Joel Glidden is offline
My heart pumps diesel.
FRC #4293 (Komodo)
Team Role: Engineer
 
Join Date: Apr 2002
Rookie Year: 2001
Location: Highlands Ranch, CO
Posts: 208
Joel Glidden is a glorious beacon of lightJoel Glidden is a glorious beacon of lightJoel Glidden is a glorious beacon of lightJoel Glidden is a glorious beacon of lightJoel Glidden is a glorious beacon of lightJoel Glidden is a glorious beacon of light
Re: Another ULTIMATE CHALLENGE

I used Pro/E Wildfire 2.0. It's a Swept Blend (two actually - one for the half with the twist, and another to complete the loop).

I'd walk you through it, but if you have access to Pro/E, you're better off using their Feature Creation guide than listening to me. If you'd like I can mail you the part file and you can play around with it.
__________________
-Joel
  #11   Spotlight this post!  
Unread 22-04-2006, 18:33
negfrequency's Avatar
negfrequency negfrequency is offline
the guy with the drawings
AKA: Willomatic
FRC #1559 (Devil Tech)
Team Role: Engineer
 
Join Date: Apr 2006
Rookie Year: 2004
Location: New York
Posts: 131
negfrequency is just really nicenegfrequency is just really nicenegfrequency is just really nicenegfrequency is just really nicenegfrequency is just really nice
Send a message via AIM to negfrequency
Re: Another ULTIMATE CHALLENGE

yea i cut back and deleted pro/e, no offense. i understand its pretty powerful, and i cant pull off what you did with inventor. i want to know how Andy Baker pulled his off. Its definally not inventor though, judging by the axis on it. Nice work by the way.
__________________
www.evolved-ideas.net
-KOP CAD parts available for download

You know your me if.....
5) your 91 honda civic dx drives @ warp .000005376, not 60 mph
4) You know what "Bi-directional parametric associativity" is
3) Playing Diabolo does NOT mean you are a level 24 mage.
2) You've discovered you can rearrange the letters in William to spell "I am Will".
1) Your bicycle is 3 times more expensive than your car.
  #12   Spotlight this post!  
Unread 25-04-2006, 19:02
Clark Gilbert's Avatar
Clark Gilbert Clark Gilbert is offline
Registered User
no team
Team Role: Alumni
 
Join Date: May 2001
Rookie Year: 2000
Location: Columbus, IN
Posts: 1,946
Clark Gilbert has a reputation beyond reputeClark Gilbert has a reputation beyond reputeClark Gilbert has a reputation beyond reputeClark Gilbert has a reputation beyond reputeClark Gilbert has a reputation beyond reputeClark Gilbert has a reputation beyond reputeClark Gilbert has a reputation beyond reputeClark Gilbert has a reputation beyond reputeClark Gilbert has a reputation beyond reputeClark Gilbert has a reputation beyond reputeClark Gilbert has a reputation beyond repute
Re: Another ULTIMATE CHALLENGE

Quote:
Originally Posted by negfrequency
yea i cut back and deleted pro/e, no offense. i understand its pretty powerful, and i cant pull off what you did with inventor. i want to know how Andy Baker pulled his off. Its definally not inventor though, judging by the axis on it. Nice work by the way.

I'm guessing he made it using Unigraphics.
__________________
Purdue Alumni
Cummins, Inc.
  #13   Spotlight this post!  
Unread 25-04-2006, 20:33
Andy Baker's Avatar Woodie Flowers Award
Andy Baker Andy Baker is offline
President, AndyMark, Inc.
FRC #3940 (CyberTooth)
Team Role: Engineer
 
Join Date: May 2001
Rookie Year: 1998
Location: Kokomo, Indiana
Posts: 3,422
Andy Baker has a reputation beyond reputeAndy Baker has a reputation beyond reputeAndy Baker has a reputation beyond reputeAndy Baker has a reputation beyond reputeAndy Baker has a reputation beyond reputeAndy Baker has a reputation beyond reputeAndy Baker has a reputation beyond reputeAndy Baker has a reputation beyond reputeAndy Baker has a reputation beyond reputeAndy Baker has a reputation beyond reputeAndy Baker has a reputation beyond repute
Send a message via AIM to Andy Baker
Re: Another ULTIMATE CHALLENGE

The mobius I made took a while. I am a Unigraphics user, and have been for 14 years (since version 7, I think). I probably had 20 hours into this design, over the course of 2 months (most were during lunch hours). This was a swept solid, through a series of the same profile. Here were the steps taken:

1. Make the 2d profile of the mobius cross section (in this case, it had 2 grooves in it to contain the 5/8" steel balls).
2. Save the profile created in step 1
3. Open a new part, draw a circle that will be the centerline through the mobius will flow. This circle was 7" in diameter, if I recall correctly.
4. Import the profile from step 1, placing it so that the center of the profile is on the 7" diameter line, at 0 degrees. I did this by moving my work coordinates to that point and importing the profile, instead of moving the profile (you'll see why I did this shortly). For reference purposes, the Z axis was pointing toward the center of the circle.
5. I moved my work coordinates up the path of the circle, at 45 degrees, and then rotated the work coordinates 22.5 degrees (360/16), from X to Y.
6. Import the same profile. This time, since the work coordinates have changed, the profile is 45 degrees up from the original profile, and X is rotated 22.5 degrees toward Y.

At that point, I kept repeating steps 5 and 6, until I got all of the way around to the zero point. By that time, I had 16 profiles along that 7" circle, and through the course of the circle they had rotated 180 degrees.

Once I got all of the profiles in place, I used them to define the swept solid. I think that the UG command is "Swept solid using curve", or something like that. Initially, I tried profiles at every 90 degrees and 60 degrees, but each of those would make the swept mobius freak out.

Once I got this procedure down, it was about an hour of CAD busywork to make the mobius strip become a solid. I found this out the hard way, since Woodie reviewed my design about 5-6 times, and would ask for tweaks here and there. Each time, I had to create a new profile and import each of the 16 copies at their unique locations and angles. For some reason, the profile would not keep its parametric ability once it was imported into the mobius file.

There... if you followed that, you deserve a cookie.

Andy
Closed Thread


Thread Tools
Display Modes Rate This Thread
Rate This Thread:

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

vB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
The Chester Challenge 2006 Wayne C. General Forum 24 29-10-2006 23:15
The Ultimate Showdown of Ultimate FIRSTiny Billfred Chit-Chat 4 12-04-2006 22:43
ULTIMATE CHALLENGE negfrequency Inventor 14 12-04-2006 19:54
2005 Vex Challenge FIRSTgurl93 FIRST Tech Challenge 0 11-11-2005 13:16
Lansdale Catholic Robotics (272) announces VEX Challenge pafwl General Forum 1 13-08-2005 16:18


All times are GMT -5. The time now is 03:28.

The Chief Delphi Forums are sponsored by Innovation First International, Inc.


Powered by vBulletin® Version 3.6.4
Copyright ©2000 - 2017, Jelsoft Enterprises Ltd.
Copyright © Chief Delphi