Inventor General Discussion

Inventor General Discussion

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Member
zackdarker
Posts: 4
Registered: ‎01-28-2013
Message 1 of 7 (293 Views)
Accepted Solution

Pulling Hair Out!! UNITS

293 Views, 6 Replies
02-02-2013 10:51 AM

Newbie Alert !!!


Simply importing old (.dwg) files (drawn with autocad 2008) into inventor 2012

it then converts my units into mm for me ...handy... not they are already mm and it thinks they are inches

so e.g original drwaing is 50mm tall,  inventor then changes that to 1270mm

 

Please help driving me up the wall.  lol

 

I Installed inventor and config for its default unit to be in mm

so what am I doing wrong??

 

Thanks

 

When I run -dwgunits on your dwg file it indicates it was done in inches.
When I Import the geometry and change the units from the detected units of Inches to the Intended units of mm and then reset the Tools>Document Settings>Units to mm in Inventor the dimensions read correct.

 

BTW - this appears to be a sheet metal flat pattern.
Flat patterns are almost never done correctly in AutoCAD.

Model in finished form in Inventor rather than folding this.

*Expert Elite*
JDMather
Posts: 28,246
Registered: ‎04-20-2006
Message 2 of 7 (286 Views)

Re: Pulling Hair Out!! UNITS

02-02-2013 11:32 AM in reply to: zackdarker

Attach original dwg file and the resulting ipt file here.

 

 

What I will immediately check is the -dwgunits of the original dwg file

and then

the Tools>Document Settings>Units of the ipt file

then

I will try bringing in the dwg into the ipt file myself and see what units the Wizzard detects.

Please mark this response as "Accept as Solution" if it answers your question.
-----------------------------------------------------------------------------------------
Autodesk Inventor 2015 Certified Professional
Autodesk AutoCAD 2013 Certified Professional
Certified SolidWorks Professional
Inventor Professional 2015-SP1 64-bit
http://www.autodesk.com/edcommunity
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New Member
pmason48
Posts: 1
Registered: ‎02-02-2013
Message 3 of 7 (275 Views)

Re: Pulling Hair Out!! UNITS

02-02-2013 12:03 PM in reply to: zackdarker

My personal preference when converting is if I'm converting a dwg that was drawn in inches I select the ENGLISH TAB then STANDARD INCH IPT. I then go through the usual Manage tab, import select the file type on the first page then select the INCH option in units on the second page.

 

By doing this the only problem I now have is that I keep getting told that MDT needs to be installed for this operation, it has been since 2008. But that's Inventor for you!!!

Member
zackdarker
Posts: 4
Registered: ‎01-28-2013
Message 4 of 7 (271 Views)

Re: Pulling Hair Out!! UNITS

02-02-2013 12:11 PM in reply to: JDMather

Thanks JDMather

 

any help would be greatly appreciated

 

 

Member
zackdarker
Posts: 4
Registered: ‎01-28-2013
Message 5 of 7 (254 Views)

Re: Pulling Hair Out!! UNITS

02-02-2013 12:39 PM in reply to: zackdarker

Clearly Im not having a good day

lol

Member
zackdarker
Posts: 4
Registered: ‎01-28-2013
Message 6 of 7 (248 Views)

Re: Pulling Hair Out!! UNITS

02-02-2013 01:03 PM in reply to: zackdarker

Update :

 

In Auto Cad 2008 I

-dwgunits

3 (mm)

then enter enter enter confirm yes change scale units blah blah

and i configured inventor when installing to be set by default to work in mm and confirmed this

by document settings-units so

where am i going wrong???

*Expert Elite*
JDMather
Posts: 28,246
Registered: ‎04-20-2006
Message 7 of 7 (223 Views)

Re: Pulling Hair Out!! UNITS

02-02-2013 06:57 PM in reply to: zackdarker

When I run -dwgunits on your dwg file it indicates it was done in inches.
When I Import the geometry and change the units from the detected units of Inches to the Intended units of mm and then reset the Tools>Document Settings>Units to mm in Inventor the dimensions read correct.

 

BTW - this appears to be a sheet metal flat pattern.
Flat patterns are almost never done correctly in AutoCAD.

Model in finished form in Inventor rather than folding this.

Please mark this response as "Accept as Solution" if it answers your question.
-----------------------------------------------------------------------------------------
Autodesk Inventor 2015 Certified Professional
Autodesk AutoCAD 2013 Certified Professional
Certified SolidWorks Professional
Inventor Professional 2015-SP1 64-bit
http://www.autodesk.com/edcommunity
http://home.pct.edu/~jmather/content/DSG322/inventor_surface_tutorials.htm
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