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Is there a way to reposition gears in assembly to mesh correctly?

travis_grudzinskastravis_grudzinskas Member Posts: 4 EDU
edited November 2022 in Community Support
I am having trouble with getting the gears to mesh correctly in assembly, before I make the gear relation I can adjust the rotation on one or both of the gears to get them to mesh correctly but as soon as I add the gear relation it sets the gears back into a position to where they partially overlap, I would like to just rotate one of the gears around z and set the gears to mesh from that position, is it possible? I have read other people saying they lowered the tooth count on one of the gears until they managed to get them to mesh, I would prefer to not have to do that, at the moment there is a 1:1 ratio. I guess I could make one of the gears slightly smaller as well but I have already printed these gears. Any help would be greatly appreciated, thank you for taking the time to read all of this.
I can see that my outer gears that mesh with the ring gear mesh correctly because it is meshing fine with one with the same exact size teeth and number of them, but whether I mate those gears with the one that is meshing correctly or with the outer ring gear it doesn't matter I cannot get them all to mesh correctly in the assembly

Best Answer

  • Matt_ShieldsMatt_Shields Member, Onshape Employees Posts: 463
    Answer ✓
    It's subtle, but you're editing one of the mate connectors in the revolute mate, not the revolute mate itself.


Answers

  • Matt_ShieldsMatt_Shields Member, Onshape Employees Posts: 463
    click the > icon nect to one of your Revolute mates.  that will display the two invovled mate connectors.  edit one of them, check of Move, then enter a rotation angle for "Rotate about Z"
  • travis_grudzinskastravis_grudzinskas Member Posts: 4 EDU
    edited November 2022
    click the > icon nect to one of your Revolute mates.  that will display the two invovled mate connectors.  edit one of them, check of Move, then enter a rotation angle for "Rotate about Z"
    I have tried this, rotate around z is not appearing in the menu

    I have clicked the angle value and changed it but if I still have the gear relation it just moves both gears and the mesh issue doesn't change at all, if I remove the gear relation and change it when I add the gear relation it just moves the gear to where it isn't meshing correctly again. 

    I was able to solve the outside gear issue by removing one of the gears from the circular pattern and putting it into the assembly separate, when the gear relation ship was made with that single gear it solved the issue, I hadn't noticed the other two were already correctly meshing, so it is just the gears in the image above that are not meshing correctly
  • Matt_ShieldsMatt_Shields Member, Onshape Employees Posts: 463
    Answer ✓
    It's subtle, but you're editing one of the mate connectors in the revolute mate, not the revolute mate itself.


  • travis_grudzinskastravis_grudzinskas Member Posts: 4 EDU
    It's subtle, but you're editing one of the mate connectors in the revolute mate, not the revolute mate itself.
    That did the trick! thank you for the help!
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