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  1. pakgears

    Gear web strength and thickness - how to determine?

    drawoh: for this example, I wish to keep the part a single piece. I am trying to understand what analytical methodology (if any) can be used to determine the thickness of the web. MintJulep: this sounds promising, can you elaborate or point to an example which I can use? I have not been able...
  2. pakgears

    Gear web strength and thickness - how to determine?

    Thanks for your responses thus far. Really hoping for someone to provide an example, or insight into methodology behind analytically determining how thick that web can be. Maybe a link to an example on the internet or in a textbook? (I haven't found any) Not really interested in alternative...
  3. pakgears

    Gear web strength and thickness - how to determine?

    Imagine a HyVo sprocket, driven from the inner diameter (perhaps via a spline or keyway). The difference between the outer diameter and inner diameter is large, and the width of the outer sprocket and inner hub need to be the same. There is a requirement to make the part as light as possible...
  4. pakgears

    DIN 5480 & 5482 - differences & availability?

    Can someone summarize the major difference between DIN 5480 & 5482? Does anyone know why these standards have such limited availability? The part covering tolerancing (Part 14) is no longer available at the ANSI store. Anyone know where I can get a copy?
  5. pakgears

    Gearbox Lubrication Calculations

    Also, crysta1c1ear, I am not a student in the academic sense anymore. I do try to learn something new every day, however, and I look forward to any help you can provide regarding my questions!
  6. pakgears

    Gearbox Lubrication Calculations

    Thanks for posting, crysta1c1ear. Yes, the question was posted in two forums. I am just trying to plug into two sets of experts because I thought the question was applicable to both pump and piping engineering, two fields in which I hold no claim to much knowledge - that is why I am writing...
  7. pakgears

    Gearbox Lubrication Calculations

    Thanks, ccfowler. We also like the Gerotor. I can assure you that this system is working and you shouldn't worry about litigation. Maybe there is something else (just leakage?) that is relieving pressure, but there is no relief valve. Start-up is under ambient temps > 50°F (if it's cool, a...
  8. pakgears

    Gearbox Lubrication Calculations

    Thanks for your input bingopin. The system I have described is pretty much hypothetical; it is not a Sundyne gearbox. I am using it as a model that may help me answer the questions posed to me without endangering any confidentiality issues related to this gearbox. I am really after answers to...
  9. pakgears

    Gearbox Lubrication Calculations

    Thank you Johnny for your insight. This system does not have a pressure relief valve. It does have a breather. Does that change things? Since no pressure relief valve is present, can the pressure still be calculated in the line between the pump and sprayer? If so, may I be shown the...
  10. pakgears

    Gearbox Lubrication Calculations

    I have very little experience/knowledge of fluid flow calculations and I would like some help answering some questions that were posed to me. These questions concern a gearbox with a gerotor oil pump used for gear mesh spray lubrication. Here is what I know: The sump from which the pump...
  11. pakgears

    Gearbox Lubrication Calculations

    I have very little experience/knowledge of fluid flow calculations and I would like some help answering some questions that were posed to me. These questions concern a gearbox with a gerotor oil pump used for gear mesh spray lubrication. Here is what I know: The sump from which the pump...

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