Unfolded files of heavy surfaces

Out of category
1

Hello

Attached is a sw 2020 file of an exhaust pipe, my problem is in Pronest - plasma cutting software- when I bring all the unfolded -dxf- in this software, it's long and it generates a cnc too heavy 500kb,????

Can someone tell me more, are the unfolded ones too thin? I set the settings to mini!!

Sincerely, Pierre


pot_v7_a.sldprt
2

Hello

I think your dxf is heavy because the edges of the unfolded surfaces are splines, which when converted to DXF become poly-lines with hundreds of segments,

To solve the problem there are two options:
The simplest way, your cutting software must accept splines. In this case you need to generate your DXFs from a drawing to avoid conversion into poly-lings.
The other, more tedious but which works every time, is to trace all the contours of your developed in tangent arcs.

1 Like
3

For the record, I've already made much bigger nests than this one, tjs with sw upstream and pronest without any particular souçi!!


pn04singleheadnestdetail.pdf
4

Thank you Pierre S

In the sw settings save as dxf I asked that the splines remain splines.... I look at what you tell me about the plan,

stupid question: the drawing, ech 1??

5

I can't get out of it, I don't know the drawing at all, how to make the unfolds appear, ????

could you just create a drawing file with the file I put in the 1st message?

 

6

There are a lot of surfaces and with " shitty " orientations following the unfolding which is inevitable.

To be as efficient as possible, you need to know if your file is going to be modified later or if it is definitive?

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7

For the time being, let's consider the definitive

Thank you

8

Hello

Normally in the cutting software there should be a smoothing function to overcome these problems.

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9

Hello ac Cobra 427

Indeed in Pronest there is a smoothing function, I will explore this option and keep you informed

Thank you

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10

Hello

Attached is the file with 3 surfaces put back on the front plane for example,

                1: I make a sketch on one of the surfaces that have been flattened or I copy the outline of the surface,
                2: I copy the outline  (CRTL C)
                3: I leave the sketch without validating it (because it is no longer useful)
                4: I create a sketch on the face plane or I glue the outline
                5: I take the opportunity to add a text in the outline with the letter or number corresponding to the surface that has been flattened
                6: I make a block to be able to handle everything as I want,
                7: I hide the surface used in step 1 (so as not to redo it by mistake)
                8: I repeat steps 1 to 3 with another surface,
                9: I edit the sketch on the front plane and I glue the new outline and so on,

Kind regards


pot_v7_a.sldprt
1 Like
11

Thank you Pierre

I'll look at it, and keep you informed

Kind regards

1 Like
12

Hello

FYI, the smoothing in Pronest works up to a certain point, i.e. it can deform the parts especially for curved shapes, so to be used delicately but it lightens the file, 1st point.

2nd point, the conversion to DXF with SW, many DXF versions exist, but indeed as far as spline curves are concerned, they convert into numbers of small segments in the 2 optional cases - splines remain splines or splines in polylines -

So in summary, and for the time being I'm going to do as Pierre S advised me in his last message

Thank you

Sincerely, Pierre


conversion_spline_sw_en_dxf.pdf