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Waltham Pocket Watch Balance Staff installation

jdrichard
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jdrichard Distinguished Member

jdrichard

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I made a new balance staff on my Boley lathe and in this video i show the assembly of the balance, roller table and hairspring onto the staff, with riveting and alignment of the hairspring. About one hour of work and success. Comments appreciated. Took my time for old hippie and geo and the gang so i did not drop any parts[emoji4]

 

https://youtu.be/y67glQ9WBE4 

 

Sent from my iPhone using Tapatalk Pro

 

 

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    • tomh207
      A lathe with indexing that won't break the bank?

      By tomh207 · Posted

      You also have another potential issue with head and tail stocks, in my research it would seem that for the American style lathes the head and tail stocks were bored as a pair. So a matched pair is good a “pair “ made up from two different lathes cause some headaches. The Swiss Geneva style lathes are much lighter but were apparently made to fit any lathe. I have seen mention of being able to shim the tailstock as well to true up. indexing is again not so straightforward for a watchmaker lathe, at least not as I have found so far. Often a lathe will come with basic indexing which is limited to 60 positions. The full index plates do come up at times for eywatering prices. It is very possible to do that electronically. As well as what @SwissSeiko maybe able to point you to have a look here. https://imakewatches.com/projects/CNCIndexDriver.html   https://imakewatches.com/projects/MillingAttachment.html   Tom
    • JohnR725
      A lathe with indexing that won't break the bank?

      By JohnR725 · Posted

      On a watch repair discussion group that you know that we love to see naked watches out of the case you show us a box? I think a book on watchmakers lathes should be helpful.   The watchmakers' lathe, its use and abuse; a story of the lathe in its various forms, past and present, its construction and proper uses by     Goodrich, Ward L https://archive.org/details/watchmakerslathe00good  
    • coreymsnow
      A lathe with indexing that won't break the bank?

      By coreymsnow · Posted

      Got it. So a WW lathe will have that graduated drive pulley for different speeds and similar setup for the bed and tailstock, but they won't be fully compatible with one another in terms of parts. Thanks! The picture helps a lot.
    • caseback
      A lathe with indexing that won't break the bank?

      By caseback · Posted

      If only things were so easy...😀. Both lathes in this picture are WW-style lathes.. nuff said? 😉
    • coreymsnow
      A lathe with indexing that won't break the bank?

      By coreymsnow · Posted

      Excellent info, thank you! So when you say "conforms to the standard" does that mean, for example, that parts are interchangeable between brands and ages, or that you could use accessories built for that 110-year old one on a newer one that was built in the 1990s? Also, thank you for taking the time to answer my questions and your patience.
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