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  1. #1
    thehomeengineer's Avatar
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    cutting an internal 6 spline drive

    Hi All

    On the crank shaft of my 3" scale Foden, that I am currently building there are two gears that move along this shaft. They are driven on six splines. The following link to my website shows how I cut the internal gears with a modified keyway guide bush I made and a standard keyway broach.
    I hope this is of interest and useful. I will also post a link to the crankshaft build in another post for those that are intrested.

    Practical Engineering

    The Home Engineer

  2. The Following 6 Users Say Thank You to thehomeengineer For This Useful Post:

    Frank S (01-14-2018), PaulM (01-13-2018), rossbotics (01-17-2018), Seedtick (01-13-2018), Sleykin (01-12-2018), Tuomas (01-12-2018)

  3. #2
    Frank S's Avatar
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    Nice job on the splines. Yes those large arbor presses are invaluable. I have one about the same size as yours I believe it has somewhere around an 8 or 10 inch stroke probably weighs close to 300 lbs
    Never try to tell me it can't be done
    When I have to paint I use http://kbs.justoldtrucks.com/

  4. #3
    thehomeengineer's Avatar
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    Hi Frank S
    Thank you for getting in touch.
    The press is not very often used but when needed it is invaluable. I also have a 25ton Hydraulic press but it dosent have the same control and feel as this press for broaching etc. A dear friend gave this to me knowing how much I liked it.
    Is your the same design as I dont know the maker of mine?
    The Home Engineer

  5. #4
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    Thanks thehomeengineer! We've added your Spline Cutting Method to our Machining category,
    as well as to your builder page: thehomeengineer's Homemade Tools. Your receipt:





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