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Thread: Adventures in case-making.

  1. #51
    So the titanium caseback in 50um showed up from one supplier, and I just got a shipping notification from the other supplier for the 3 main titanium cases.

    So far the 50um finish is... rough.
    IMG_20180810_103609.jpg


    The back they turned on a lathe to clean up the support structure.
    IMG_20180810_103554.jpg

    Some comparisons between plastic filament I did myself, a cast sterling silver piece with the wax printed at 32um (it is also blasted and tumbled when they removed the casting investment), and the direct sintered titanium (the other supplier is direct melted).

    IMG_20180810_103541.jpg
    IMG_20180810_103521.jpg

    Next step is to try some automatic deburring tumbling:
    Fast cut ceramic:
    IMG_20180810_103642.jpg

    To be followed by pre-plate plastic pyramids:
    IMG_20180810_103703.jpg

    I'll wait for the top case at 20um to arrive to compare base finishes before tumbling them.

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  3. #52
    El bot. geoffbot's Avatar
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    Excellent
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  5. #53

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  7. #54
    Quick sanding to brighten the high spots, old Longines movement and dial fit in. Feels good.

    Need to buy some new barrels for the tumbler before I can try to semi-automate the unpleasant polishing needed.

    IMG_20180814_192819.jpg
    IMG_20180814_192837.jpg
    IMG_20180814_192853.jpg
    IMG_20180814_192828.jpg

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  9. #55
    El bot. geoffbot's Avatar
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    Cool. I've seen rougher cases on production out of china.

    What's your end game?
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  11. #56
    Quote Originally Posted by geoffbot View Post
    Cool. I've seen rougher cases on production out of china.

    What's your end game?
    Endgame is... fluid. There's the making a watch part which will happen. Slowly. Once I have the case-making sorted (still some significant changes are needed), it will be on to the dial, then hands, maybe a custom deployant. Next will be movement decoration. From there I will have a better idea of timing and pricing it takes and whether it's worth pursuing as a commercial venture.

    Right now it's not looking good.

  12. #57
    El bot. geoffbot's Avatar
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    Quote Originally Posted by Dimman View Post

    Right now it's not looking good.
    If you sell em at £20k a piece you should be fine.
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  14. #58
    Quote Originally Posted by geoffbot View Post
    If you sell em at £20k a piece you should be fine.
    Ha. I'll need to pull a Romain Jerome and find a piece of the Holy Grail to glue onto the rotor if I want to get that level of price: quality ratio.

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  16. #59
    I see your shenanigans rodia77's Avatar
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    Geoff didn't mention quality. Focus on price, like everybody else does.
    I'm sorted and so not buying any more watches.

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  18. #60
    wind-up merchant OhDark30's Avatar
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    Quote Originally Posted by Dimman View Post
    Ha. I'll need to pull a Romain Jerome and find a piece of the Holy Grail to glue onto the rotor if I want to get that level of price: quality ratio.
    .. or include a few bristles from Hokusaiís brush pen, a corner torn off the Turin shroud, or fill the case with Japanese seawater (the actual Great Wave) a la Sinn

    Come on, youíre not even trying here
    It's the final countdown! PM me before they're all gone!

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