cable wrapped

[LaboratorioDieci]

I tried to use the spiral as last stretch and you can make a unique body.
for the length of the cable I think it is enough to measure a winding + the stretch that makes from bridge with the next one, that is spline or spiral, and to get them how many windings you have to do.
assuming a step of 1mm the length of a winding will be about 314816 and consequently to make 1600000mm it will take 5 windings

I did a test with the same technique, and it works well. the only exception I find is that the fitting spiral comes out well with 1/4 lap, otherwise the segments are interwoven.
the length theory of a winding works to a certain point, since the windings are not all equal. If you want to measure the complete winding you can make a curve composed of all the segments helical/spiral and then measure it with evaluation/measure

 

[MassiVonWeizen]

right, the windings change according to the diameter.
However, just make an excel sheet with formulas and you get the desired values without having to go to attempts

Come calcolo la lunghezza esatta di una corda da avvolgere intorno a un cilindro? – vialattea.net

www.vialattea.net

 

[MassiVonWeizen]

I see you used body shifts, what's the point?
I also see that you have 6 bodies instead of 1, why?

 

[MassiVonWeizen]

Shiroko I'd be curious to see your model because it's not as clear as you modeled.
I see sketches and curves outside the loft function, as it should be; indeed I do not see exactly the icon of expansion function (+) on any. How come?

 

[Alberto B.]

Meanwhile thank you very much, tomorrow in the office I try immediately, I think the biggest problem will be to put the connectors every tot meters, but I see to make the thing as simple as possible,
thanks to all

 

[LaboratorioDieci]

Shiroko I'd be curious to see your model because it's not as clear as you modeled.
I see sketches and curves outside the loft function, as it should be; indeed I do not see exactly the icon of expansion function (+) on any. How come?

is because I activated the flat tree view

 

[LaboratorioDieci]

I see you used body shifts, what's the point?
I also see that you have 6 bodies instead of 1, why?

3 bodies are the drum around which the cable is wrapped. the body shifts are the construction, far from optimal, of one of the capitals at the ends.
3 other bodies are the sections of the winding, which I have not joined together.

 

[LaboratorioDieci]

Shiroko I'd be curious to see your model because it's not as clear as you modeled.
I see sketches and curves outside the loft function, as it should be; indeed I do not see exactly the icon of expansion function (+) on any. How come?

I realize that what I said earlier can be bad documentation. I have cleaned up my part, I hope it is more understandable in future memory.

 

[MassiVonWeizen]

I didn't think about it. interesting

 

[LaboratorioDieci]

I didn't think about it. interesting

I think it's a better solution than the match when the individual segments don't join in tangence.

 

[Alberto B.]

Sorry guys but I had to change my job momentarily, as soon as I take this I'll let you know, thank you very much and apologize

 

[Alberto B.]

hello to everyone, here I am again, in the end we will only make the spiral bigger, also because the repetitions are 22 and it becomes quite heavy, however I tried the method of mass and I found myself well, among other things every sweep puts a lot to create it, I don't know maybe it's the pc not powerful enough... Thank you all for your cooperation.

 

[MassiVonWeizen]

every sweep puts us a lot to make me

You should see how it is built. you made comr indicated by shirokko in the post #16 that is to make the diameter slightly smaller?
in practice if you have a diameter 10 and a step 10 the spire is always tangent and this slows down reconstruction; if you make diameter 9.9 (maybe even 9.99 but I have not tried) the spire is no more tangent and reconstruction is much faster

 

[Alberto B.]

I tried but it takes so much... I don't know.

 

[MassiVonWeizen]

I tried but it takes so much... I don't know.

bhé this "description" of the problem does not allow you to help.
if you attach the file someone can also give us a look.
However when reconstruction is slow to always do performance assessment to understand which function takes more time

 

[Alberto B.]

According to me it depends on the fact that I work on virtual machine, depends how much ram they have given me to use, at least I think, I do the extrusion with sweep, circular profile diameter 9.9 but to create it takes so much. . .

 

[LaboratorioDieci]

If you make a single helix, with the firmness of the smaller diameter of the step the construction should be rather fast. I'd like to see your project.

 

[MiCad]

I did a test with the same technique, and it works well. the only exception I find is that the fitting spiral comes out well with 1/4 lap, otherwise the segments are interwoven.
View attachment 58788View attachment 58789View attachment 58790View attachment 58791the length theory of a winding works to a certain point, since the windings are not all equal. If you want to measure the complete winding you can make a curve composed of all the segments helical/spiral and then measure it with evaluation/measure

Hi, I came across here as I need to draw it myself... only that I can not realize the second sketch, that of "passing" from the first winding to the second.. Do you remember how you did it? It's been a couple of years.

 

[MassiVonWeizen]

Hi, I came across here as I need to draw it myself... only that I can not realize the second sketch, that of "passing" from the first winding to the second.. Do you remember how you did it? It's been a couple of years.

is already explained in previous posts.

 

[MiCad]

is already explained in previous posts.

no, I had already read all the thread several times before writing, I asked for a deepening because I do not get there