What configuration to quickly work on a complicated imported sketch?

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5

Hello

Personally, when I have to work with dxf on Solidworks, I open them with draftsight and I purify them as much as possible, keeping only what interests me.

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6

Unfortunately I need everything in my case because it's a drawing that represents a logo of a city that I have to respect...

7

Hello, yes but it is surely possible to replace series of points with a curve passing as close as possible to the points, before deleting them!!

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8

What parameter could I work on to boost my PC to make it faster for this kind of manipulation on solidworks, how does this config seem to you?

I have this in config:

9

can you post your DXF

for a check 

Thank you

@+ ;-)

10

There he is


cactus-bin.dxf
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11

Hello

Why not make a block out of it?

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and what exactly is your goal

@+

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The problem with the block is that I don't have to change my scale and rework my sketch to have only closed contours.

I want to make a laser cut on a sheet metal following these lines

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Is this the file you received or have you already reworked it?

Opening it with Autocad, it's pretty clean, there are just 252 splines and 251 hatch blocks. To do cutting, first remove the hatching, then you can try to simplify the splines but I'm not sure you'll gain on the time spent.

Attached is the file without the hatching


trash can-cactus_sans_hachures.dxf
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I can't download the file

16

Depending on your browser, right-click/"save link target as" (or something like that)

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17

it's good it works, on the other hand the file is even heavier, 7.7MB against 5.1MB before

18

if you are interested, I put it in DWG format it is much smaller.

Cdt


test.dwg
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19

question 

Why not save your DXF  or DWG as a picture

that you can integrate into SW via sketch image

which it will be zoomable as you wish

See this tutorial

 http://www.lynkoa.com/contenu/tuto-cr%C3%A9ation-dun-model-laide-dune-image

since as I visualized your DXF

and that you redo all the splines for modification and probably maintenance of internal sheet metal

This is generally my way of proceeding

and depending on the size of your drawing, straight lines are enough to create the outlines

so by the fact quite fast but a maximum of clicks and sketches

it's exactly the type of project I love ;-)

@+ ;-)

 

3 Likes
20

Another solution I use for complicated logos like yours is not to switch to SW.

You make your part in SW, that's no problem, then you probably have to save it in dwg or dxf to pass it under your CAM software for the laser.

So once the dxf/dwg is done, that's when you copy your logo on your part with the right size and then you can process under your laser software.

Disadvantage you don't have a visual on your 3D model under SW if the customer wants a preview before machining. (nothing prevents you from providing a view of the DWG to show the position and size of the logo)

So solution to use if your only goal is to get the part out of the machine. There's no point in wasting time redoing it in SW just to look pretty;)

In my case (the most frequent) I use more often the method of the image in the background of the sketch that I draw in line/arc of a circle (less program line for the cnc) and then I add a scale function.

To finish I create a sketch by recovering all the contours at the right scale that I can transfer to the desired part(s). (stencil method)

21

Why not work directly in the programming software???

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I don't have programming software

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How will you do the laser cutting???

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So directly in dwg/dxf that you provide to the person who manufactures, in this case