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flat springs deformed

dan10hp

Guest
Good morning.

I'm in a very complicated situation to solve.
I press that my modeling level is very basic, I have always worked on very simple mechanical pieces.

Now I found myself shaping a part that goes in pairs with a flat spring.

in the assembly, the spring is in position but of course it is in compression compared to the natural position.

the problem is precisely starting from the model in place and creating the model deformed for realization without going to touch the linear length of the wire and the corners of the horizontal parts.

If I change only the bending radius I go to change the linear size of the wire I also lose the correct angle of the horizontal parts.

Among other things this is a simplified modeling, as the component will also have a slight bending towards the perpendicular axis on the plane.

I mean, I don't know what fish it is.
 

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  • 2020-07-08_10h19_48.webp
    2020-07-08_10h19_48.webp
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write the software version in the profile
attach files without rebuilding the situation

if you want to maintain a length of the constant wire use the path quota while for horizontal parts remain such if you set the horizontal relationship.
with configurations create the rest and compressed version

It is not clear whether the fact that it is in a group is relevant.
 
Thanks for the answer.

Unfortunately solidworks fails to solve the track with the distance quota maintaining the bending of the strokes as in the photo, must escape me something.

the principle that the spring stops extending, therefore the resting position should be with a smaller curvature, and the horizontal parts should therefore tilt some degree upwards.

I've put it in my ass just because I modeled it on the shape of the seat. So, as I said, it is modeled in compressed position.

attached the file, I removed all the constraints that I tried and that did not give success.
 

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you cannot expect to get resounded of such an object if a sketch is not completely bound. moving the sketch goes where it wants.
binds the fully bound part
 
the problem is that every time I try to bind it as I think I should sketch it becomes unresolvable.

forgives my inexperience but it is really the deprived time I work with something different from a piece to fresare
 

Attachments

- 10-rays are not tangents to the arc and the right-wing one even to the line
- there's a construction line that you don't know what you need
-The 2 lines are independent
- the center of the arch has no constraint

the basic constraints are lacking without going to define those who will command the spring.

I resumed your file and hypothesized a system

in 2019 you do not need to create a round profile for the sweep command because it is included in the function.
 

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Thank you

I saw how you worked and I think it's easy to jump out.

It is not clear to me because at rest now the horizontal traits are gone and the presence of the inclined reference plane.

already so in line maximum works, although I should keep the horizontal pieces when the spring is in position
 
It is not clear to me because at rest now the horizontal traits are gone and the presence of the inclined reference plane.
Are you talking about my file? There shouldn't be any plan, and if there is, it's because I forgot to erase it. I used the structural members, but also using the sweep function does not need the plan because, as said, the circular profiles are managed by the function itself; In fact even using a non-round profile does not serve the plan because in 2019 the sweep manages the modeling in both ways and therefore it is sufficient to do the sketch on the perpendicular plan to the path.
I changed a couple of times the radius and the lines didn't disappear, so I don't know what you mean.
already so in line maximum works, although I should keep the horizontal pieces when the spring is in position
it is you who must determine what are the fixed parameters and what variables according to the operation, I have made a hypothesis; the center of the spring can not be managed by a quota that varies according to the compression, it makes more sense to put a height of the spring. However the sketch must be defined otherwise you will never manage it at your liking
 

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