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Recent content by rShell

  1. rShell

    Gear Hob Callout

    Gentlemen, I have attached a PDF with a pic of what I am trying to get my supplier to do. Hopefully this clears things up. rshellhttp://files.engineering.com/getfile.aspx?folder=76c25966-6c2a-4921-b095-1d318913f07d&file=Axle_Shaft.pdf
  2. rShell

    Gear Hob Callout

    Mike, Are you telling me that a "1 module, 45 degree pressure angle, 2.50 inch diameter hob" is a tool that does not exist? Rshell
  3. rShell

    Gear Hob Callout

    I am specifying a particular gear hob for creating a lead-in feature on an external gear. My supplier seems to be having difficulty creating the feature and it has me wondering if I am calling out the hob correctly. The not on the drawing reads like this: LEAD-IN CREATED WITH 1 - MODULE, 45DEG...
  4. rShell

    Forging Dissimilar metals

    Thank you Gentlemen. I thought this would be the answer, from what little I know about forging. But just wanted to make sure before I got too far down that path. rShell.
  5. rShell

    Forging Dissimilar metals

    I don't have a lot of experience with the forging process. I learned about it way back in school, but professionally, I have not been involved with forgings too much, so this might sound like a dumb question. Can you create a forging using two pieces of dissimilar metals? Sort of like an insert...
  6. rShell

    Replacing Nylon in Gear Application

    I am sorry that I could not specify to your standards, dgallup. But I inherited this design and that is the only specification that I have...nylon 6. The gear is currently machined.
  7. rShell

    Replacing Nylon in Gear Application

    I currently have a gear that is made from nylon 6 and need to replace the material. I have been told that the nylon 6 can be replaced by PEEK (polyetheretherketone). Can anyone offer suggestions as to the particular grade of PEEK material that is suitable for making gears? I have attached a...
  8. rShell

    Material Alternative for Nylon 6 Gear

    Is there a recommended alternative material to replace Nylon 6 in a gear design? I would like to use a material that is not as sensitive to moisture as Nylon. Thanks. Richard
  9. rShell

    Correct Standard for Specifying Involute Spline Gears

    +/-1deg. Does this affect what specification is referenced?
  10. rShell

    Correct Standard for Specifying Involute Spline Gears

    Thanks for the education, Mike! Perhaps I should have said "involute spline/gear profiles". Please look at the attached sample drawing. This is an example of the type og callout that I am trying to get the correct specification...
  11. rShell

    Correct Standard for Specifying Involute Spline Gears

    I am new to specifying gears. What is the current standard for the control of involute spline gear profiles? ANSI informs me that both B92.1 and B92.2 are "Out of Print".
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