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A
ArekTRI1-Visitor
1-Visitor
February 7, 2019
Question

SPRING Modifications

  • February 7, 2019
  • 13 replies
  • 4438 views

Hi,

 

I have a question about how to modify the spring to achieve this:

Thank you.

SPRING.png

13 replies

M
MartinHanak24-Ruby III
24-Ruby III
February 7, 2019

Hi,

cut a piece of helical geometry before you add straight end.

    Patriot_1776
    Patriot_177622-Sapphire II
    22-Sapphire II
    February 7, 2019

    *facepalm*  Most.  Ambiguous.  Question.  Ever.

    A
    ArekTRI1-VisitorAuthor
    1-Visitor
    February 11, 2019

    HI @Patriot_1776,

     

    what do you mean?

     

    Regards,

    Arek

    Patriot_1776
    Patriot_177622-Sapphire II
    22-Sapphire II
    February 11, 2019

    Exactly what I said, which is why no one else has replied.

     

    There is no info on how the model is built.  Is it a creo file, or a import feature?  Do you want to actually lessen the amount of coils fractionally, or just hack it off and kludge it as shown?  Are the ends tangent to the helix of the coil, or are they normal to the axis of the spring?  Is the (circular?) cross section normal to the trajectory/helix (the correct way) or normal to the spring axis (distorted ellipse).

     

    Oh, SOOOooooo many questions....

      Patriot_1776
      Patriot_177622-Sapphire II
      22-Sapphire II
      February 12, 2019

      ...aaaand for fun there's this (took me maybe 10min).

      2019-02-12_spiral_spring-01.jpg

      A
      ArekTRI1-VisitorAuthor
      1-Visitor
      February 14, 2019

      Hi @Patriot_1776 

       

      thank you for your answer.

      At this stage, my answer is: I don't know.

       

      I was thinking about using points and its coordinates to create the spring but I don't know if this concept is right.

       

      Regards,

      Arek

      Patriot_1776
      Patriot_177622-Sapphire II
      22-Sapphire II
      February 14, 2019

      For what you're doing, which looks simple with the straight ends tangent to the ends of the trajectory, the curve by equation you mentioned would work better than a helical sweep because you can easily specify the start and end angle.

       

      If you're thinking of doing it by a helical series of points referenced from a CS, don't, you won't get a nice cylindrical profile.

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