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Thread: DIY gear hobbing attachment for milling machine

  1. #1
    Supporting Member DIYSwede's Avatar
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    DIY gear hobbing attachment for milling machine

    AndysMachines: Digitally (PIC chip) controlled synchronization between hob and gear blank, Pt 1:

    Download plans for milling tools.

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    Supporting Member Paul Alciatore's Avatar
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    Oh, good grief! I am five minutes into the video and I can plainly see that we are going to have to watch it being made, piece-by-piece. With absolutely no explanation of what the design theory behind it is or what is going on.

    AAAAAAAAHAG!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1111
    Download plans for milling tools.
    Paul A.

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    Supporting Member Ralphxyz's Avatar
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    I would like to know what the hole saw is?

    Ralph

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    Supporting Member DIYSwede's Avatar
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    Sorry Paul, for not informing about the non-informative, tedious and perhaps non-pedagogic process beforehand.
    That said, I personally like following the machining sometimes just to see what decisions is being made when,
    and try to figure out the ideas and methods used. For instance: Not a single carbide insert, "merely" HSS lathe tools used throughout.
    I'm also biased in having some interest in DIY hobbing, and learned quite a few bits from it.
    But then that's just me - and "to each his own" I guess...

    Ralphxyz: Seems to be a run-of-the mill Sandvik HSS 60 mm OD hole saw*:

    DIY gear hobbing attachment for milling machine-sandvik-hss-60-mm-od.jpg

    2 cents

    Johan

    Note: *I'm NEITHER endorsing this particular brand, NOR waving any patriotic flag this time either...

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    Supporting Member Ralphxyz's Avatar
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    The video must have been speeded up cause that run-of-the mill Sandvik HSS 60 mm OD hole saw cut through the steel like butter.

    Ralphxyz

  9. #6
    Supporting Member DIYSwede's Avatar
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    Yup- the shot was indeed speeded up as well as cut/ POV changed three times.

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    nova_robotics's Tools
    A PIC chip? Andy from Andy's Machines must be a pensioner.

    All kidding aside Andy's Machines is a pretty cool channel. He builds lots of really cool stuff. The Terminator eyes video is pretty neat.

  12. #8
    Supporting Member DIYSwede's Avatar
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    Part 2

    Caution: NO drawings, sparse comments, some machining that might be disturbing to sensitive watchers.
    Watching this video is NOT MANDATORY.


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    Supporting Member Canyonman44's Avatar
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    Hey Nova. Might you have a more specific URL for Andy's Machines? Did the Google thing and all I got was professional business machine shops. Didn't seem to be what I was looking for.

    PS Great job Swede!!!

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    nova_robotics's Tools
    Quote Originally Posted by Canyonman44 View Post
    Hey Nova. Might you have a more specific URL for Andy's Machines?
    Here you go. This is the Terminator eye build. It's purely artistic, but still very neat. He makes a working mechanical iris.


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