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  1. ssbowtie1

    Designing a lifting mechanism

    Sorry guys I may have not been clear. What I need to lift up is the silver tray. There is a Tank that sits on it and it has to move via some mechanism up 1 inch and then back down. Its part of the operation of the machine. Thanks!
  2. ssbowtie1

    Designing a lifting mechanism

    Hey guys I need to develop a lifting mechanism for a platform that holds approximately 75lbs. I have pictured attached. The platform needs to have a travel range of 1 inch. I have looked into scissor lifts but can't find anything suitable. Any ideas are greatly appreciated...
  3. ssbowtie1

    Lead screw setup is binding...need a new design

    Hi guys, I was presented with the current lead screw setup, which raises and lowers a platform with high precision. However, as you can see in the attached pictures, if the tolerances aren't exact, the mechanism easily binds. Assembly requires shimming, and the motor powering the mechanism is...
  4. ssbowtie1

    Making .dxf/.dwg files?

    Hi everyone, I have a few parts which are essentially simple extrudes which I would like to send to a waterjet for manufacturing. Is there a way I save the drawing as a .dxf or .dwg file or do I have to use the DWG editor and redraw the parts?
  5. ssbowtie1

    Ideas on keeping a part from slipping

    Hi everyone, I've been working on a project and have built a simple prototype for a proof of concept. The concept worked, but now I need to find a way to revise it because I have a constraint that the curved frame CANNOT slide. Obviously right now it slides quite a bit, since the aluminum...
  6. ssbowtie1

    Stretching a thin rod?

    Wow I didn't expect this kind of feedback so quickly! To answer a few questions, the rods will be stretched along two plates and the requirement given to me is for it to be "tight". There isn't an exact stain requirement given to me, nor does the person know how tight he even wants it to be...
  7. ssbowtie1

    Stretching a thin rod?

    Hey guys, this is my first post here. Say you have two plates that are evenly spaced (10inches or so) and you want to stretch a thin rod (.1inch) across the plates. What would be the best way to do this? I tried threading the rods and using nuts on each end to stretch the rod, but the threads...

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