Deckel Fine Boring Head missing part
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  1. #1
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    Default Deckel Fine Boring Head missing part

    I believe I'm missing a part on my Fine Boring Head, see these photos...it seems there should be a knob to lock down the height setting rod. If someone has one of these heads, could you provide a photo of the missing part, ideally with it removed so I can see how it is shaped?

    img_20210429_164823.jpgimg_20210429_164833.jpg

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    Not the best images but something.


    20210430_193612.jpg20210430_193600.jpg20210430_193551.jpg

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    VERY helpful, that will give me a good idea about how to fabricate these. Thanks!

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    Betting Frantz has one of these in stock.
    Cheers Ross

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    Quote Originally Posted by AlfaGTA View Post
    Betting Frantz has one of these in stock.
    Cheers Ross
    I have an inquiry into them, I purchased the head from them so hopefully they can help.

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    If i were to fabricate the knob, what type of metal should I use?

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    perhaps an 1100 or 1200 family steel....But if push came to shove i would choose a pre hard 4140/4142 steel...(Rc 28-30)
    Machines well, will be strong and all...Be a bit rough getting a good knurl on that material due to its hardness, but if you use cut knurling dies it
    should give good results....
    Cheers Ross

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    Quote Originally Posted by AlfaGTA View Post
    perhaps an 1100 or 1200 family steel....But if push came to shove i would choose a pre hard 4140/4142 steel...(Rc 28-30)
    Machines well, will be strong and all...Be a bit rough getting a good knurl on that material due to its hardness, but if you use cut knurling dies it
    should give good results....
    Cheers Ross
    Ross, thx as usual for your fine advice.

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    Personally on a part like that I would use free-machining steel, which in the US system is 1211/1212/1213. It's easy to get a really nice finish, and on the knurling as well. That part is never going to be under much stress, you are tightening it with finger pressure.

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    Personnally I would buy one Din 6303
    About €2,50 or less at Kipp
    I order there on a regular base anyhow
    Not a exact copy but it works and looks good

    Peter

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    You could cut a piece of hotdog off, stick it on the shaft and give it about 2 weeks.

    Thing will be hard as concrete and pre-threaded

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    Quote Originally Posted by Homebrewblob View Post
    You could cut a piece of hotdog off, stick it on the shaft and give it about 2 weeks.

    Thing will be hard as concrete and pre-threaded
    Yes, but it would destroy the Deckel aesthetics and violate german safety standards.....plus I'd get hungry every time I use the machine

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    Quote Originally Posted by ballen View Post
    Personally on a part like that I would use free-machining steel, which in the US system is 1211/1212/1213. It's easy to get a really nice finish, and on the knurling as well. That part is never going to be under much stress, you are tightening it with finger pressure.
    Hey Bruce,

    I think you might reconsider when you get a bigger lathe... Can't beat finish on pre-hard if you have the horsepower to cut it.

    BR,
    Thanos

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