Mystery item in K&D staking set

Discussion in 'Horological Tools' started by ChrisCam, Sep 25, 2019.

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  1. ChrisCam

    ChrisCam Registered User
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    To date many hours have been invested in understanding what the various punches and stumps do in my newly acquired K&D 600 staking set. This little wonderment is a bit more difficult to find out about. It does belong with the set (as seen it on another set) and is in the stump rows at the end. Can anyone tell me what it is and whether the thread on the end should screw into a punch or anything else:???:

    Regards
    Chris
     
  2. karlmansson

    karlmansson Registered User

    Apr 20, 2013
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    Something tells me that you meant to post an image with this.
     
  3. ChrisCam

    ChrisCam Registered User
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    What a plonker here it is...thanks Karl.

    Chris

    IMG_0218.JPG
     
  4. ChrisCam

    ChrisCam Registered User
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    I am beginning to think I am wrong and the part is an alien. I thought I saw this in another photo on the web but maybe not? The hole that this sits in is usually filled with a punch lifter with a knurled top. The tool just picks up the punches from the box. However moving on from that the diameter of the punches is 4.64mm which means 3/16 inches is this a standard size for staking?

    Chris
     
  5. bruce linde

    bruce linde Technical Admin
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    my first thought (guess) was that it holds a cylindrical piece... maybe a cutter of some sort? maybe something lathe related?
     
  6. gmorse

    gmorse Registered User
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    Hi Chris,

    This looks like a roller removing stake, but I'm not sure if it's complete. The balance is fitted in with the roller uppermost and the jaws of the stake between the roller and the wheel, so that the staff can be pressed out with the appropriate punch, (one with a safety shoulder to avoid any pressure on the pivot). The impulse jewel must be fitted in one of the gaps in the jaws so that there's no pressure on it.

    Regards,

    Graham
     
  7. ChrisCam

    ChrisCam Registered User
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    #7 ChrisCam, Sep 26, 2019
    Last edited: Sep 26, 2019
    Just looked on Ebay another set (inverto) with the same piece in black and what looks like another 4 finished in steel. At least I'm not going mad. From an older post the K&D diameters are likely to be: You have it exactly right the the punches are 0.185" nominal or No. 12 Stubs' wire gage.(a fraction difference from 3/16 of an inch.

    Chris

    ebayset.jpg
     
  8. Jerry Kieffer

    Jerry Kieffer Registered User
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    Chris
    As Graham mentioned, it is a part for a roller remover.

    Photos show the complete latest K&D version.

    Jerry Kieffer

    fullsizeoutput_42d.jpeg fullsizeoutput_42e.jpeg fullsizeoutput_42f.jpeg
     
  9. ChrisCam

    ChrisCam Registered User
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  10. Jerry Kieffer

    Jerry Kieffer Registered User
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    Chris

    Actually after posting, I realized I have the actual tool that your part comes from.

    The attached photos should be self explanatory and the parts needed easily machined.

    Jerry Kieffer

    fullsizeoutput_430.jpeg fullsizeoutput_431.jpeg
     
  11. ChrisCam

    ChrisCam Registered User
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    Thanks Jerry, to you I am sure easily machinable. I am focusing however from now on attempting to machine a balance staff and will leave such luxuries till after. Having researched the K&D set it is time to tuck it away and re-orientate myself to the task in hand which is to first understand a platform escapement then to machine one. Thanks for all your help todate...will keep in touch.

    Regards

    Chris
     

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