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jkmett1-Visitor
1-Visitor
May 19, 2016
Solved

I am trying to Export to DWG - Scaling Issues?

  • May 19, 2016
  • 2 replies
  • 7709 views

When Exporting to DWG:

 

1) If the export is a drawing of an "Assembly" the scaling is fine ( geometry,dim, etc...)

 

2) The Problem:  If the export is a drawing of a "Part" within the assembly something happens:

 

The dimensions export to the correct value, but the geometry seems to be randomly scaled to some whole number multiple value of the actual part geometry.  I currently deal with this issue by scaling everything by the inverse of that value, and then scale dimensions by the value.

 

Is there a way to avoid these extra steps?

 

Thanks.


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Best answer by MartinHanak

Jolene,

INFO: If you want to transport all related data, then create empty directory and use Save a Backup command to save data into it.

Problem info:

drawing ... scale assigned 0.5 ... this is probably your mistake

3 drawing views ... custom scale assigned 1.5

1.5/0.5 = 3 ... this is the reason, why dimension, that duplicates (in AutoCAD) 14.0 receives the value 42.0

Resolution:

Set drawing scale to 1.5.

Note:

3 drawing views ... I suggest to assign drawing scale to them instead of custom scale.

INFO: I used following config.pro options:

DWG_EXPORT_FORMAT             2010
DXF_OUT_DRAWING_SCALE         YES
DXF_OUT_SCALE_VIEWS           NO

MH

2 replies

M
MartinHanak24-Ruby III
24-Ruby III
May 19, 2016

Hi,

can you upload some example data (including DWG) ?

MH

J
jkmett1-VisitorAuthor
1-Visitor
May 19, 2016

Hello Martin,

The "Wheel Assembly" files attached are an example of correct scaling during the export.  The "Shaft" ( a part in the assembly)  is not scaling properly during the export.

Thanks for your help.@@

M
MartinHanak24-Ruby III
24-Ruby III
May 20, 2016

Hi,

I tested your DWG files in Draftsight software.

  • wheel_assembly_2.dwg ... I created duplicate dimension with same value
  • shaft_2.dwg ... I created duplicate dimension to 14.0 with value 42.0

I cannot work with Creo drawings, because they depend on model files ... and ... you did not uploaded them .

MH

T
TrainStopper12-Amethyst
12-Amethyst
May 25, 2016

Here we have the settings opposite to Martin!?

dxf_out_drawing_scale no

dxf_out_scale_views yes

For us this seems to work - we routinely make dxf files for sheet metal blanks and they need to be 1:1.

The only glitch we need to be careful about is the first view added to the Creo drawing MUST be scaled based on the drawing scale.

So, where we usually put a 3D default view somewhere in the drawing that might be scaled smaller than the regular views, we are careful to add that 3D view AFTER we have put in a normal view that takes on the default scale for that drawing.

W

    M
    MartinHanak24-Ruby III
    24-Ruby III
    May 25, 2016

    This is the right correct answer !

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