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kmccrudden1-Visitor
1-Visitor
November 6, 2016
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Need Assembling Help!!

  • November 6, 2016
  • 3 replies
  • 1587 views

I am trying to build a robot for FTC and am having trouble constraining it. I am trying to attach two channels together at a specific point, but the the program is not allowing me to constrain to a certain spot.ROBOT QUESTION.JPG

    Best answer by kdirth

    Not sure how you are trying to make this connection.  Looks like you have selected the top surface and are trying to select the hole.  When you select a flat surface and a non flat surface the constraint defaults to tangent.  You will need to manually change to another type of constraint after selecting a different surface to get what you want.

    I would suggest starting over on the placement and use the circular surface of the holes to create a coincident constraint, select a second set of holes to create an align constraint, and select the flat surfaces to create a coincident constraint

    3 replies

    K
    Kevin1-Visitor
    1-Visitor
    November 7, 2016

    You might be better off placing a datum point for the location in each part and constraining those. From your picture and description though it not clear what you are expecting, I would expect a coincident constraint to be created, but sometimes depending on how the geometry is created a tangent constraint will be the only option.

    kdirth
    kdirth21-Topaz IAnswer
    21-Topaz I
    November 7, 2016

    Not sure how you are trying to make this connection.  Looks like you have selected the top surface and are trying to select the hole.  When you select a flat surface and a non flat surface the constraint defaults to tangent.  You will need to manually change to another type of constraint after selecting a different surface to get what you want.

    I would suggest starting over on the placement and use the circular surface of the holes to create a coincident constraint, select a second set of holes to create an align constraint, and select the flat surfaces to create a coincident constraint

    There is always more to learn.
    K
    kmccrudden1-VisitorAuthor
    1-Visitor
    November 7, 2016

    ‌Thanks. I have done that and another thing and fixed it. Thanks to all who answerd this question

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