How to create a line shape with unbalanced tolerance zone with MBD in Creo4?

[sundoopi]

Hello everybody,

I want to create a line shape with unbalanced tolerance zone.  There is always an error.

How to do that correctly in Creo4 with MBD? Thanks!

Br

Sun

[Mahesh_Sharma · Accepted solution]

@sundoopi

I think the error in image is because of format for value mentioned after UZ. 

If you will define this as 0.3 UZ [0.03], it will not report any error. But if it will be +#.## / -#.##, there will be error. Can you share any image or details about standard which defines this value after UZ.

[sundoopi]

Hello MaheshSh, you are right. If +#.## / -#.## is changed, only +#.## or -#.## is used, there is no any error. Thank you.

And also many thanks to     

TomU

you also gave me advice to my question.

Sorry for my antwort so late.

Br

Sun

[TomU]

Not sure which standard you're using but ASME Y14.5-2009 shows this entered differently.

[Mahesh_Sharma]

Hi @TomU

@sundoopi is using ISO standard for unequally disposed tolerance zone....

http://support.ptc.com/help/creo/creo_pma/usascii/index.html#page/model-based_definition%2FISO2012%2FOptional_Modifiers.html%23

[TomU]

Sounds like the basic usage is still the same.  The single value after the UZ (or U) just shifts the tolerance zone around.  I think he is confusing where the zone is located with the size of the zone.

[sundoopi]

Yes,  I think you are right. Thx.

[Mahesh_Sharma]

@sundoopi

You may mark appropriate reply as solution of the post as solution. 

[sundoopi]

Thank you everybody for your reply and hints. I was in business trip.

Does anybody know how to caculate the tolerance zone and decide in which direction the zone should be shifted. Thanks again.

Br

Sun

[teleworm1337]

I think the error in image is because of format for value mentioned after UZ. 

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