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Mate constraint

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Message 1 of 21
Anonymous
1088 Views, 20 Replies

Mate constraint

 

I know the solution to the problem. But I must know the reason to the problem.

 

Why these two faces are refusing to mate?

 

m.png

 

 

 

 

20 REPLIES 20
Message 2 of 21
CCarreiras
in reply to: Anonymous

What's your opinion about that?

CCarreiras

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Message 3 of 21
Anonymous
in reply to: CCarreiras

I made many models to check my opinion and I was found it was not true.

Mate/Flush faces must perpendicular to adjacent faces I fond condition was not true.

Message 4 of 21
CCarreiras
in reply to: Anonymous

Basic... different angles

 

1.png

CCarreiras

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Message 5 of 21
CCarreiras
in reply to: Anonymous


@Anonymous wrote:

I made many models to check my opinion and I was found it was not true.

Mate/Flush faces must perpendicular to adjacent faces I fond condition was not true.


Whaaat???!!! Of course is true!!!... the faces must be parallel, 0 deg between them...

CCarreiras

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Message 6 of 21
Anonymous
in reply to: CCarreiras

It has shown  adjacent faces are perpendicular to Mate/Flush faces. Simple trail model is attached.

 

1.png

Message 7 of 21
JDMather
in reply to: Anonymous

I thought we already covered this a couple of weeks ago?


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Message 8 of 21
Anonymous
in reply to: JDMather

I thought we already covered this a couple of weeks ago?

--------------------------------------------------------

 

 

Same model but different issue. If you want I can pinpoint the issue.

Message 9 of 21
CCarreiras
in reply to: Anonymous

what's your question now!!

 

It's just a picture!!!!!!!! it's the "contact" faces the one's who matters... only the 2 faces you pick count for the constraint.... all the others doesnt enter in all this!!!!

 

 

CCarreiras

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Message 10 of 21
Anonymous
in reply to: CCarreiras

only the 2 faces you pick count for the constraint.... all the others doesn’t enter in all this!!!!

 

Basic... different angles

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Confusing

Message 11 of 21
CCarreiras
in reply to: Anonymous

how old are you?

 

CCarreiras

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Message 12 of 21
Anonymous
in reply to: CCarreiras

This is irreverent to the subject.

Also a solution to a question should be ACCEPTED AS SOLUTION by the questioner only.

Message 13 of 21
CCarreiras
in reply to: Anonymous

Yes, can be relevant... because the level of knowledge and experience. Btw... i'm 40 something, there's no problem to say it.

 

And... YES and No, if we are sure the answer is correct, sure we can and must... if you make a question about something you dont know, how are you to evaluate if the answer is rigth or wrong?... This is a forum to help everybody, not just you.

CCarreiras

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Message 14 of 21
Curtis_Waguespack
in reply to: Anonymous


@Anonymous wrote:

only the 2 faces you pick count for the constraint.... all the others doesn’t enter in all this!!!!

 

Basic... different angles

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Confusing


 Hi fiatnm,

 

This can be confusing when angles are just slightly different and appear the same, because Inventor requires things to be perfect. In the real world your parts might fit just fine, but they might not Mate perfectly in Inventor.

 

In these cases there are generally 2 options:

1) edit the part and make the angles match by dimensioning something differently, etc.

2) use a different assembly constraint solution.

 

For option 2, in this case here are 2 suggestions:

  • You could Mate workplanes
  • or Mate an edge and a face, which would result in the slide being just slightly off center.

 

Attached is an example of both.

 

I hope this helps.
Best of luck to you in all of your Inventor pursuits,
Curtis
http://inventortrenches.blogspot.com

Message 15 of 21
Anonymous
in reply to: CCarreiras

This is a forum to help everybody, not just you.

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This forum is dedicated only for subject matter purposes.

A solution to a question has to be understood by the questioner. Then only questioner can ACCEPT that AS SOLUTION. Questioner can’t ACCEPTED AS SOLUTION because somebody has understood that.

Finally there is no demand here, only request. Choice is up to mentors.

Message 16 of 21
CCarreiras
in reply to: Anonymous

But the answer is correct and answers your question, so... is accepted like correct...

 

It's a choice, no demand, if you are not satisfied, if you not agree with this forum rules, you can go to other forum... or to have a inventor course instead.

 

This is a forum for professional people, that pays a lot for softwrae, to expose their problems, their questions, real world questions, this is not a inventor course, nevertheless, all the people are welcome...

 

so, if it was confusing... another try... to teach the student:

1.png

 

What you can do:

 

Fix the angles to have parallel faces, or, use central planes between the two parts to center both.

 

 

CCarreiras

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Message 17 of 21
Anonymous
in reply to: Anonymous

Curtis_Waguespack wrote:

Inventor requires things to be perfect.

 

Ccarreiras wrote:

Conflict with Mate1

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It is a great opening to a solution to the problem. Now I can understand.

 

Thank you

Message 18 of 21
Anonymous
in reply to: CCarreiras

Basic... different angles.

 

If angles are different what is the matters?

 

Conflict with Mate1

 

It is this word carries the correct message.

 

In order to a solution should be understood wording has to be more precise.  

Message 19 of 21
CCarreiras
in reply to: Anonymous

Can you explain better wht you mean?

CCarreiras

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Message 20 of 21
CCarreiras
in reply to: Anonymous


@Anonymous wrote:

Basic... different angles.

 

If angles are different what is the matters?

 

What??!!!!! mate needs two parallel faces it's a BASIC concept... if the angle is different, whats is the matters? you must be joking!!   Smiley Very Happy 

 

 

Conflict with Mate1

 

It is this word carries the correct message.

 

In order to a solution should be understood wording has to be more precise.  

 

Read the statements,more  precise is impossible... 

(In this case,sometimes is not so clear, but with some experience and brains, everybody can nderstand all of errors messages)

1.png


 

CCarreiras

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