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  1. Big_Deddie

    Vacuum Relief Compression Spring Calculation..spinning my wheels

    @BrianE22 Yeah, I found the spring rate after I dug a little deeper. It would be nice of it was one of the criteria to search by. After I was able to sleep on this question, I figured out what I needed to know. It took a few formulas to figure out I was going about it the wrong way...but trial...
  2. Big_Deddie

    Small company PDM implementation

    If you have never used PDM before, it will take some time to get used to. You will definitely want to sign up for support to get you started at the very minimum. Until recently, everywhere I worked, I was the only one running Solidworks. When I started this job, I had NEVER worked off of a PDM...
  3. Big_Deddie

    Vacuum Relief Compression Spring Calculation..spinning my wheels

    I have been tasked with engineering a new vacuum relief valve for one of our products. I was given a vacuum relief valve, of a different design, and was told to match that relief vacuum (which is 15 in-Hg). The "plunger" in the supplied vacuum relief valve is Ø1 3/8". Using a positive chamber...
  4. Big_Deddie

    Forward and Reverse Linear Motion over a 24 foot span

    Thank you 3DDave Now - why can't i reply directly to threads or quote anyone? Is that a time-here thing?
  5. Big_Deddie

    Forward and Reverse Linear Motion over a 24 foot span

    Speed is not a major concern. I am thinking a travel time (one direction) of 1 - 2 minutes max for the 24'. Speed really isn't a MAJOR concern...
  6. Big_Deddie

    Forward and Reverse Linear Motion over a 24 foot span

    First post here (just as an FYI) and, yes, I did try the search function before posting. Did find some similar postings but not exactly what I was looking for. Any suggestions for a small drive motor that can move in forward and reverse directions with the flip of a switch? I have a device that...

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