Inventor General Discussion

Inventor General Discussion

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Active Contributor
GarySchmitz3154
Posts: 34
Registered: ‎12-09-2009
Message 1 of 6 (140 Views)
Accepted Solution

Rip not centered

140 Views, 5 Replies
08-19-2014 08:00 AM

I am ripping a sheet metal ring and the rip is not centered on the plane that I used for the cutting plane. it is not consistantly off center. The off-centeredness is progressive to the width of the rip. The wider the rip the further off center. I wish to rip the ring with a width 7' 8 1/4" centered on the xz plane. I use the rip feature alot and this is the first I discovered this. Attached is the file. the question is am I doing anything wrong or is normal

 

Best Regards

Gary

Best Regards
Gary Schmitz
Dell Precision M3800
Core I7, 2.3GHZ, 16G Ram, Quadro K1100M 24In Monitor
Product Design Suite Standard 2014
3D Connexions Wireless
ProNest 2015

Gary,

 

This is a great catch! There is something wrong here. It seems there is a floating tolerance corresponding to the model size. When the part gets bigger, the tolerance becomes bigger, which is wrong. For this particular model, the difference starts becoming noticeable when the gap exceeds 1in. I am forwarding it to development for further review.

Many thanks!

 

Distinguished Mentor
ccarreiras
Posts: 974
Registered: ‎02-04-2010
Message 2 of 6 (132 Views)

Re: Rip not centered

08-19-2014 08:09 AM in reply to: GarySchmitz3154

HI!

 

In my case, i opened the file,  all seems cetered...

 

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Regards.
CarlosC

Autodesk Inventor 2014 Certified Professional
Autodesk Factory Design Suite Ultimate 2015
Windows 7 64Bit
Active Contributor
GarySchmitz3154
Posts: 34
Registered: ‎12-09-2009
Message 3 of 6 (121 Views)

Re: Rip not centered

08-19-2014 08:34 AM in reply to: ccarreiras

when I measure rom the point on the outer surface to the xz plane the left side reads 37.729 ant the corresponding right side point measures 34.445

 

Best Regards
Gary Schmitz
Dell Precision M3800
Core I7, 2.3GHZ, 16G Ram, Quadro K1100M 24In Monitor
Product Design Suite Standard 2014
3D Connexions Wireless
ProNest 2015
Distinguished Mentor
Distinguished Mentor
wh
Posts: 590
Registered: ‎12-27-2003
Message 4 of 6 (89 Views)

Re: Rip not centered

08-19-2014 03:43 PM in reply to: GarySchmitz3154

Interesting observation, Gary. I could reproduce it.

Walter

Employee
johnsonshiue
Posts: 2,345
Registered: ‎04-30-2008
Message 5 of 6 (82 Views)

Re: Rip not centered

08-19-2014 03:55 PM in reply to: GarySchmitz3154

Gary,

 

This is a great catch! There is something wrong here. It seems there is a floating tolerance corresponding to the model size. When the part gets bigger, the tolerance becomes bigger, which is wrong. For this particular model, the difference starts becoming noticeable when the gap exceeds 1in. I am forwarding it to development for further review.

Many thanks!

 



Johnson Shiue (johnson.shiue@autodesk.com)
Senior Principal SQA Engineer, Inventor
Mechanical Design
Autodesk, Inc.

Active Contributor
GarySchmitz3154
Posts: 34
Registered: ‎12-09-2009
Message 6 of 6 (40 Views)

Re: Rip not centered

08-22-2014 11:17 AM in reply to: johnsonshiue

Wow

With that being said, I will just have to use a different method of removing that much stock instead of ripping.

Best Regards
Gary Schmitz
Dell Precision M3800
Core I7, 2.3GHZ, 16G Ram, Quadro K1100M 24In Monitor
Product Design Suite Standard 2014
3D Connexions Wireless
ProNest 2015
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