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  #1  
Old 11-01-2017, 07:45 AM
kdpederson kdpederson is offline
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Not understanding how Spring Lisp File works

All,

I found an old Spring Lisp file from a past co-worker and I'm trying to use in Creo Elements Direct Modeling 18.10. I have added the :toolbox-button t to the file to get it to load properly, but I'm still unable to achieve creating a spring. It ends up with error "Spring is not really produced". Does anyone else use this for springs or have something better?
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File Type: lsp spring_new.lsp (22.5 KB, 412 views)
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  #2  
Old 11-06-2017, 08:50 AM
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Re: Not understanding how Spring Lisp File works

I started with the very program that you have here. I then modified it for us.

Try the attached.

Regards

Tom
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File Type: lsp springs.lsp (16.8 KB, 403 views)
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  #3  
Old 11-06-2017, 10:22 AM
kdpederson kdpederson is offline
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Re: Not understanding how Spring Lisp File works

Thanks Tom, I'm getting an Error that states "The function ELAN-UI::HELIX_DIA is undefined." Any idea what that's about?
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  #4  
Old 11-06-2017, 10:33 AM
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Re: Not understanding how Spring Lisp File works

Did you edit anything in the files?

if the answer is no,
then try changing the line

(in-package :OI_TOOLS)

to

(in-package :ELAN-UI)

Regards

Tom
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Old 11-06-2017, 11:16 AM
kdpederson kdpederson is offline
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Re: Not understanding how Spring Lisp File works

Tom,

Same Results. I'm working in 18.10 if that makes a difference. I Have (in-package :ELAN-UI) and (use-package '(:OLI :ELAN-UI))
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Old 11-06-2017, 11:41 AM
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Re: Not understanding how Spring Lisp File works

Do other lisp programs work for you?

Is the Ikit installed?

I even loaded the program into a clean build on my system and had no errors.

Regards

Tom
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Old 11-06-2017, 12:08 PM
kdpederson kdpederson is offline
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Re: Not understanding how Spring Lisp File works

Tom,

I ended up figuring out that "Helix_Dia" needed to be switched to "Helix_add" I'm using 18.10, are you using a newer version?
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Old 11-06-2017, 12:16 PM
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Re: Not understanding how Spring Lisp File works

I am using 19.0m060
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  #9  
Old 11-06-2017, 12:49 PM
kdpederson kdpederson is offline
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Re: Not understanding how Spring Lisp File works

Thanks for all your help Tom. Do you ever work with Belleville Springs?
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Old 11-07-2017, 04:02 AM
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Re: Not understanding how Spring Lisp File works

You are welcome.

Yes, we do use a lot of bellville washers. I typically get 3D models for those from McMaster Carr. www.mcmaster.com.

Another good website is www.smalley.com. You can download models in a lisp format. Since they are created from a lisp file, they will automatically be considered library parts. If you do not want them as library parts, remove the library status by loading the goodie (load "sl_remove_sl") and running "remove library information: from the toolbox menu.

Or use the attached lisp program to load the lisp file containing the model. (thanks to http://osd.cad.de/)

Regards

Tom
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File Type: lsp lisppart.lsp (3.0 KB, 393 views)
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Last edited by tom kirkman; 11-07-2017 at 04:15 AM.
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  #11  
Old 11-08-2017, 06:27 AM
kdpederson kdpederson is offline
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Re: Not understanding how Spring Lisp File works

We typically have something less standard or much larger than what MCmaster has or even with contact flats. I've tried to use the Parametric module inside Direct Elements, but never was able to configure all the parameters, as the thickness was never cooperating. Currently I use a "Solvespace" parametric software and export over to CREO and turn the profile. Accurate Models, but not the quickest. Not much custom Belleville work on your end then?
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Old 11-08-2017, 06:45 AM
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Re: Not understanding how Spring Lisp File works

Typically we use standard sizes available from Smalley. The material is really the only custom thing, we often get washers made of inconel because of temperatures issues on a glass machine.

Tom
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