Help with revolute and slider mate

peter_robinson449
peter_robinson449 Member Posts: 9 ✭
in Community Support

Hello all. I am pretty new to CAD and am designing a engine driven pump on a platform that will raise up and down as needed. I have a revoute mate for the driveshaft and a slider mate for the elevator guides. However, when I animate the revolute mate the platform jumps up and down along the slide mate. Can anyone advise me what I am missing? Also I cannot manually pull the platform up and down after I set the limits. It will only move with the animate tool. Any help would be appreciated. Here is a link to the document.

https://cad.onshape.com/documents/0fc45b6acc34f631deec9d7e/w/a677d1d892d943b28ba1f48c/e/5500510797eff067a28557f9?renderMode=0&uiState=6825af5531a83735b31a5d0d

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Answers

  • afalzate13
    afalzate13 Member Posts: 54 ✭✭

    I think there's a lot more mates being used to center the gantry movement by using a lot of planar mates when you can bring in a sliding rail and use a single sliding mate to move it across. If you fix the gantry, it easily lowers the pump. So if you eliminate the multiple planar mates and replace it with a single slider mate, it could easily switch between the movement of sliding across and lowering it down.

  • peter_robinson449
    peter_robinson449 Member Posts: 9 ✭

    @afalzate13 Thank you very much for your input. Actually the gantry will be fixed to the pontoon, but when I tried to fix it, it became over defined. I guess it's for the same reason you mentioned, too many planar mates?

    Peter

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