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  1. #1
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    Default Show me your unicrown fixtures!

    Bending blades, mitering, all that.
    - Garro.
    Steve Garro, Coconino Cycles.
    Frames & Bicycles built to measure and Custom wheels
    Hecho en Flagstaff, Arizona desde 2003
    www.coconinocycles.com
    www.coconinocycles.blogspot.com

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    Default Re: Show me your unicrown fixtures!

    All my stuff here...

    Groovy Cycleworks 330-988-0537: Martins 15mm thru axle ti fork...

    FWIW, mitering/coping unicrown blades is so much easier on a horizontal mill, had a vertical set up for years with a standing tee-pee fixture, worked but it was less than ideal.

    I've also upgraded the bender with a power unit and internal madrel that allows .035 to be bent consistently.

    rody

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    Default Re: Show me your unicrown fixtures!

    I misread that as UNICORN ...............then i thought about it

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    Default Re: Show me your unicrown fixtures!

    Steve,

    I assume you are asking because you are looking at changing up your process?

    What are you currently using and what are the shortcomings you hope to improve upon?

    r

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    Default Re: Show me your unicrown fixtures!

    Quote Originally Posted by Rody View Post
    Steve,

    I assume you are asking because you are looking at changing up your process?

    What are you currently using and what are the shortcomings you hope to improve upon?

    r
    Well, I was hoping to see some ideas on mitering with a vertical mill, as I just don't have the room for anything else in the shop - lathe, horizontal, nothing - I'm wracking my brain trying to figure out a new floor plan to fit more, but I need extra room to turn around, stuff like that......

    Of course I could hand miter them, sure.
    I really like the look of a straight blade unicrown, and was hunting for ideas, that's all.
    - Garro.
    Steve Garro, Coconino Cycles.
    Frames & Bicycles built to measure and Custom wheels
    Hecho en Flagstaff, Arizona desde 2003
    www.coconinocycles.com
    www.coconinocycles.blogspot.com

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    Default Re: Show me your unicrown fixtures!

    Quote Originally Posted by steve garro View Post
    Well, I was hoping to see some ideas on mitering with a vertical mill..
    Here you go Steve. Recently finished this one up. Very solid. One thing I do though is I tack the two tips of the fork legs (top and bottom) before mitering. I have a set of 100mm modified Anvil dummy axles that have the same center relief as Don's 135mm dummy so everything is interchangeable. Not to mention a tad bit more rigid. Dummy axle then can follow the assembly through to the fork fixture.

    One leg shown in place:



    Both legs rough cut in place but not tacked:



    Close up of dropout assembly - 135mm dummy in place for fat fork:



    On the mill with right angle attachment in place:



    Mitered and drops tacked in fork fixture:

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